Software Development Jobs

Software Development is a process of creating, maintaining, and auditing software and applications for specific systems. A Software Developer is a computer programmer who specializes in the development of software applications and systems of varying complexity, from enterprise standard applications to mobile and web applications. Depending on the project, Software Developers may be involved in designing interactive features, new products or designs, fixing bugs, or improving existing features. Ultimately the Software Developer will help create the software that helps client achieve their goals.

Here's some projects that our expert Software Developer made real:

  • Developing custom project/database management systems
  • Creating apps for iOS with APIs for trade simulations and tracking histories
  • Developing JAVA applications with student and course management components
  • Creating advanced particle plug-ins for Adobe After Effects
  • Parameterizing an internal classifieds system for Amazon (using Java)
  • Creating swiftUI views
  • Developing a detailed implementation plan with gantt chart.
  • Writing codes for FinTech
  • Creating inventory management solutions for forwarding services.

Software development is all about making the client’s digital dreams come to reality with tailor made coding solutions. Hire expert Software Developers on Freelancer.com to realize any project you can dream up, big or small! Our team of experienced coders are ready to real your project in a cost effective and timely manner -- no matter what your needs may be. All you need do is post your project and our reliable experts will ensure your success.

From 263,552 reviews, clients rate our Software Developers 4.9 out of 5 stars.
Hire Software Developers

Software Development is a process of creating, maintaining, and auditing software and applications for specific systems. A Software Developer is a computer programmer who specializes in the development of software applications and systems of varying complexity, from enterprise standard applications to mobile and web applications. Depending on the project, Software Developers may be involved in designing interactive features, new products or designs, fixing bugs, or improving existing features. Ultimately the Software Developer will help create the software that helps client achieve their goals.

Here's some projects that our expert Software Developer made real:

  • Developing custom project/database management systems
  • Creating apps for iOS with APIs for trade simulations and tracking histories
  • Developing JAVA applications with student and course management components
  • Creating advanced particle plug-ins for Adobe After Effects
  • Parameterizing an internal classifieds system for Amazon (using Java)
  • Creating swiftUI views
  • Developing a detailed implementation plan with gantt chart.
  • Writing codes for FinTech
  • Creating inventory management solutions for forwarding services.

Software development is all about making the client’s digital dreams come to reality with tailor made coding solutions. Hire expert Software Developers on Freelancer.com to realize any project you can dream up, big or small! Our team of experienced coders are ready to real your project in a cost effective and timely manner -- no matter what your needs may be. All you need do is post your project and our reliable experts will ensure your success.

From 263,552 reviews, clients rate our Software Developers 4.9 out of 5 stars.
Hire Software Developers

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    134 jobs found

    From Pakistan or India Junior Level Work Needed. I maintain a small-to-medium ASP.NET solution written in C#. Day-to-day work occasionally piles up, so I want to bring in a junior developer who can jump into Visual Studio, pull the latest branch from Git, and tackle clearly defined tasks as they appear. Typical assignments will involve: • Updating or refactoring existing C# classes to keep the codebase clean and readable • Implementing straightforward pages or components in ASP.NET (MVC/Core) under guidance from my side • Writing concise unit tests so we keep coverage intact • Checking in changes via pull request and responding to code-review comments You will always receive a ticket that describes the goal, the current behaviour, the expected result, and any co...

    $8 / hr Average bid
    $8 / hr Avg Bid
    16 bids

    From Pakistan, or India Junior Level work and at low budget. I need a dependable junior-level Python coder to jump into my existing workflow and tackle small, clearly defined tasks as they arise. Typical assignments include writing concise modules, cleaning up legacy scripts, and making sure new code slots in neatly with what’s already there. I’ll supply detailed tickets and unit tests; you return clean, well-commented code that passes those tests. Fluency with core Python 3, Git, and virtual environments is essential. Familiarity with libraries such as Pandas, BeautifulSoup, or Selenium will make your life easier, but an eagerness to learn quickly matters more than any single tool. Turnaround is usually one to three days per ticket. For each task, please deliver: • The ...

    $6 / hr Average bid
    $6 / hr Avg Bid
    33 bids

    Long-Term Full Stack Developer ( / React / TypeScript) + Security Mindset We are looking for a proactive Full Stack Developer to join a growing maritime software startup for an intensive one-month engagement, with a strong possibility of transitioning into a long-term role. The application is already well advanced. The goal is to spend the next month strengthening the platform, eliminating weaknesses, improving security, refining workflows, and preparing the product for production deployment. Current Technology Stack * Frontend: , React, TypeScript * Backend: API Routes, Server-Side TypeScript * Database Layer: Repository Pattern (currently local/demo data, production database integration planned) * Authentication: Role-based access control, demo users, private portal workflows * Inte...

    $480 Average bid
    $480 Avg Bid
    109 bids

    I have two handheld scanners: a Zebra DS6878-DL20007WR and a Symcode MJ-6706DA. I need both devices to be programmed to scan driver's licenses and extract the following information into a spreadsheet: - Last Name - First Name - Driver's ID Additionally, the system should automatically add a date and time stamp for each entry. Each scan should populate the appropriate columns on the next row. The solution will be used to track participant attendance for lectures, with a new spreadsheet generated for each session. A sample spreadsheet is available to map the fields correctly.

    $423 Average bid
    $423 Avg Bid
    63 bids

    I need a bespoke recruitment platform that carries an applicant from first contact right through to payroll, all inside one fluid workflow. The core functionality has four pillars: • A robust Applicant Tracking System that lets me capture, parse and progress every application while maintaining a clear audit trail. • Smart Interview Scheduling with calendar sync (Outlook, Google, Apple), automated reminders and simple drag-and-drop re-booking. • Full Onboarding Management so new hires can sign documents, complete checklists and gain system access without paperwork bottlenecks. • Allocations & Payroll tools that assign hires to cost centres, calculate pay components and export clean data to my existing payroll engine through CSV or an open API. The system mu...

    $426 Average bid
    $426 Avg Bid
    154 bids

    I work full-time on a live Guidewire ClaimCenter implementation and regularly handle production incidents—everything from mis-routed documents to integration hiccups. While I can usually patch issues, I want to move beyond quick fixes and truly master the platform. My immediate focus is on Coding best practices in Gosu. I often find myself guessing when it comes to structuring classes, optimizing performance, or leveraging the framework’s more powerful constructs. To sharpen my skills, I need long-term, hands-on mentoring that covers: • Advanced features and techniques in Gosu (refactoring pattern code, metaprogramming, performance tuning, and testability) During our sessions you’ll walk me through real tickets, explain why a particular solution works in ClaimCent...

    $15 / hr Average bid
    $15 / hr Avg Bid
    19 bids

    -Technology is one of the most important factors influencing modern business. Computers, smartphones, cloud computing, and artificial intelligence have completely changed how companies work. Businesses can now store information digitally, automate tasks, and communicate globally within seconds. One major advantage of technology is efficiency. Automation helps businesses complete tasks faster and with fewer mistakes. For example, factories use robots to assemble products, while software programs can manage accounting, customer support, and inventory. This saves time and reduces costs for companies. Technology has also improved communication. Employees can work remotely using video meetings, messaging apps, and shared online documents. During the COVID-19 pandemic, many businesses realized t...

    $493 Average bid
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    54 bids

    I have a finished blog post that dives into Cybersecurity and touches on practical Software Development angles. My goal is simple: earn high-quality backlinks by getting this article placed on reputable, technology-focused blogs only—no general news or lifestyle sites. Here’s what I need from you: • Identify technology industry blogs with genuine readership and domain authority. • Pitch or arrange for the post (or a contextual guest piece that links back to mine) to be published. • Ensure the backlink is do-follow, placed naturally within the content, and points to my chosen URL with the specified anchor text. • Provide a short placement report with the live link, domain metrics, and publication date. I’ll supply the full article, author bio,...

    $93 Average bid
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    68 bids

    I need a seasoned LabVIEW developer to build a complete control-system application. The task centers on crafting robust control logic, tuning the controller, and producing a clean, well-documented set of VIs that I can load straight onto my hardware. At this stage the target platform is still open—CompactRIO, MyRIO, or even a standard NI DAQ—so the code must remain portable and easy to adapt once we lock in the final device. You will design the architecture, implement and tune the control algorithm, create an intuitive front panel, simulate or test on actual hardware, and hand over production-ready files. Deliverables • LabVIEW project (.lvproj) with modular, clearly named VIs • Concise documentation explaining architecture, key parameters, and tuning steps &bul...

    $194 Average bid
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    23 bids

    I am seeking an experienced Guidewire ClaimCenter professional to provide long-term support and mentorship. As a full-time employee, I am working on production incidents and need guidance to understand coding, integrations, and concepts within my project. Key Responsibilities: - Collaborate with me to resolve production issues, such as ensuring documents are generated correctly based on claim assignments. - Provide clear explanations of integration processes and coding best practices. - Offer mentorship sessions to enhance my understanding of Guidewire ClaimCenter functionalities. Ideal Skills and Experience: - Strong expertise in Guidewire ClaimCenter, including integrations and troubleshooting. - Proven experience in resolving production incidents effectively. - Excellent communication s...

    $12 / hr Average bid
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    19 bids

    I am seeking an experienced Guidewire ClaimCenter professional to provide long-term support and mentorship. As a full-time employee, I am working on production incidents and need guidance to understand coding, integrations, and concepts within my project. Key Responsibilities: - Collaborate with me to resolve production issues, such as ensuring documents are generated correctly based on claim assignments. - Provide clear explanations of integration processes and coding best practices. - Offer mentorship sessions to enhance my understanding of Guidewire ClaimCenter functionalities. Ideal Skills and Experience: - Strong expertise in Guidewire ClaimCenter, including integrations and troubleshooting. - Proven experience in resolving production incidents effectively. - Excellent communication...

    $19 / hr Average bid
    $19 / hr Avg Bid
    27 bids

    I need a developer to create a tool for detecting specific 4-candlestick patterns on a 1-minute time frame. The logic involves: 1. A red candle breaking the highs and lows of two preceding green candles. 2. A green candle breaking the highs and lows of two preceding red candles. Key Features: - No auto-trading functionality is required. - Only flagging these patterns with instant phone notifications. - Monitor assets with payout rates above 93% only. The solution must allow flexibility for future modifications in strategies if required.

    $79 Average bid
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    27 bids

    We are seeking an experienced developer to analyze and update our existing DAO (Decentralized Autonomous Organization) project. The ideal candidate will have strong expertise in blockchain technologies, smart contracts, and full-stack development. Responsibilities: - Review and assess the current state of the DAO project - Identify areas for improvement and optimization - Implement updates and enhancements using , Node.js, and relevant blockchain technologies - Work with Smart Contracts and ensure they are secure and efficient - Integrate APIs to enhance functionality and user experience - Collaborate with our team to deliver high-quality, reliable updates Requirements: - Proven experience with and Node.js - Strong understanding of blockchain technology and smart contract development - ...

    $22 / hr Average bid
    $22 / hr Avg Bid
    103 bids

    Job Description: We are looking for a dedicated full-time team member to join our company. The ideal candidate must have strong experience in: Google Ads Meta Ads (Facebook & Instagram) SEO (On-page, Off-page, and Technical SEO) Software Development & Automation Website Management Analytics and Conversion Tracking Requirements: Proven experience delivering results with Google Ads and Meta Ads Strong SEO knowledge with successful case studies Ability to develop or manage software solutions and automation tools Available full-time and able to respond when needed during business hours Excellent communication skills Reliable internet connection and commitment to long-term employment Responsibilities: Manage and optimize advertising campaigns Improve website rankings and organic t...

    $91 Average bid
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    102 bids

    I need the internal metadata in a collection of .docx files rewritten—not the Windows file properties, only what Word shows under File > Info > Properties > Advanced. The task is purely to modify three fields: • Creation Date • Modified Date • Total Editing Time I will send the documents one by one. For each file I will supply the exact values that should appear, and I expect the returned document to open flawlessly in Word with those new timestamps reflected. How you achieve this is up to you—Open XML SDK, python-docx, PowerShell, or another reliable method—as long as the text content stays intact and the new metadata persists after saving or sharing the file. Along with the updated documents, a short note (or script if you automate the ...

    $9 / hr Average bid
    $9 / hr Avg Bid
    9 bids

    We're building a decentralized e-commerce platform that aims to give buyers and sellers more control while reducing the fees and limitations that come with traditional marketplaces. The platform combines a familiar online shopping experience with blockchain-powered payments, rewards, staking, and governance. Most users shouldn't need to understand blockchain to use it. That's one of the biggest challenges we're trying to solve. We're looking for a React developer who enjoys building products, not just pages. What You'll Be Working On - Marketplace and product browsing experience - User accounts, profiles, and dashboards - Checkout and payment flows - Wallet integration and transaction tracking - Rewards, staking, and token-related features - Building a fro...

    $3759 Average bid
    $3759 Avg Bid
    173 bids

    I need several clear, well-structured data flow diagrams created today and then embedded straight into a Microsoft Word document I will supply. You may work in Visio, Lucidchart, , or any other diagramming tool you prefer—what matters most is that the end result looks professional and fits neatly on the Word pages without distortion. Please keep the notation conventional (processes, data stores, external entities, and data flows) so anyone in my team can understand the logic at a glance. Deliverables • Finished Word file with each data flow diagram placed where indicated • The original editable diagram file(s) or export that lets me tweak labels later, if needed I’m on a tight timeline, so let me know how soon you can have the first draft ready and how many rev...

    $25 Average bid
    $25 Avg Bid
    22 bids

    I already host an open-source platform in a SaaS environment and now need it tailored so it follows my product vision more closely. The codebase itself is solid; the next step is to adjust it and bolt on the right integrations so the service feels seamless to end-users. Core focus • Map my business logic to the existing code, refactoring only where absolutely necessary so future upgrades remain straightforward. • Build out secure, well-documented connections to the external services I specify (think payment, CRM, email or other APIs—I’ll confirm the exact stack with you once we start). • Keep the UI intact for now; this phase is all about reliable third-party integrations and the back-end hooks that make them work. Process I have in mind 1. Review the c...

    $3783 Average bid
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    259 bids
    iText to PDFBox Migration
    6 days left
    Verified

    I’m moving my existing Java-based PDF generation workflow away from iText and need it rebuilt with two tools: • Apache PDFBox for all server-side document creation • Puppeteer for the few HTML-to-PDF screens we already render in the browser The migrated solution must deliver everything the current system does today: rich text, styled tables, embedded images, and full-length PDF reports. Concretely, I expect the new code to: • Preserve every text-formatting rule we rely on, including precise alignment and color control. • Generate tables dynamically, letting me add, remove, or reorder rows/columns on the fly without breaking the layout. • Embed JPEG charts and photos at the exact positions and scales used now. • Produce multi-page reports ...

    $7 / hr Average bid
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    50 bids

    Project Description: We have developed a mobile application using Expo (React Native). The Android version is already built and successfully published on the Google Play Store. We are looking for an experienced iOS/Expo developer who can help us: Tasks: Configure and verify the Expo project for iOS release. Create the iOS production build using Expo EAS. Upload and publish the app on the Apple App Store. Configure App Store Connect settings. Assist with certificates, provisioning profiles, and signing. Help manage and organize our Apple Developer account. Guide us through Apple's review process and resolve any submission issues. Help generate future Android builds when required. Requirements: Experience with Expo / React Native. Experience publishing apps to the Apple App Store. Kn...

    $95 Average bid
    $95 Avg Bid
    48 bids

    We are a software development company looking for a reliable and confident professional to handle client-facing communication and online meetings. In this role, you will interact directly with potential clients, help explain our services, and support technical discussions. Responsibilities: Join online meetings with potential clients to introduce our services Handle client communication in a clear and professional manner Manage and support online technical interviews with clients Understand client requirements and gather project details Act as a communication bridge between clients and our development team Requirements: Strong English communication skills (spoken is a must) Comfortable speaking directly with clients on video calls Basic understanding of software development or IT servic...

    $6 / hr Average bid
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    29 bids

    I'm looking for a consultant to help create a Power App aimed at streamlining our internal process, specifically for campaign reporting. The primary focus will be on marketing campaigns. Key Requirements: - Design and develop a Power App to streamline campaign reporting. - Ensure the app is user-friendly and integrates with existing systems. - Provide documentation and support for deployment. Ideal Skills: - Proficiency in Microsoft Power Apps. - Experience in process automation and data reporting. - Strong problem-solving and communication skills.

    $266 Average bid
    $266 Avg Bid
    94 bids

    I run a healthcare-focused IoT platform built entirely on ThingBoard and I’m ready to hand the technical reins to an expert for the next twelve months. The scope is end-to-end: you will keep the platform healthy, extend it with new functionality, and guard its security posture. The environment is used daily for patient monitoring and management and must interface cleanly with existing information systems, so stability and clean integrations are critical. Day-to-day you’ll review device telemetry flows, fine-tune rule chains, roll out version upgrades, patch vulnerabilities, and design fresh dashboards or API endpoints whenever clinical teams request them. Where integration work is needed you’ll coordinate with our in-house developers to stitch ThingBoard services into ...

    $8299 Average bid
    $8299 Avg Bid
    93 bids

    I need a developer who has already completed a Malaysian MyInvois / e-Invoice integration to plug that same expertise into our web-based EMR (ASP.NET C#, Microsoft SQL Server). The immediate goal is automated invoice generation: every time a consultation, treatment or ancillary service is saved in the EMR, a compliant e-Invoice must be created in the background and transmitted to the LHDN MyInvois gateway without any manual touch points. You will work directly in our existing codebase, expose or consume the necessary REST endpoints, handle authentication and digital signing, and persist the MyInvois response so finance staff can retrieve the PDF or XML from inside the EMR UI. Please bring along any helper libraries, middleware components or stored-procedure strategies you have already pro...

    $486 Average bid
    $486 Avg Bid
    89 bids

    I'm seeking a developer to create a comprehensive tool that integrates both accounting and inventory management features. The tool should cater to my needs in both areas equally. Essential Accounting Features: - Expense Tracking: Monitor and categorize all business expenses. - Invoicing: Generate and send invoices to clients. - Financial Reporting: Provide detailed financial reports to assess business health. Essential Inventory Management Features: - Stock Tracking: Keep real-time tabs on inventory levels. - Order Management: Manage both incoming and outgoing orders efficiently. - Supplier Management: Organize and track all supplier information and interactions. Ideal Skills and Experience: - Proficiency in database management and software development. - Experience in creating int...

    $260 Average bid
    $260 Avg Bid
    28 bids
    PHPMailer Sendmail Email Fix
    5 days left
    Verified

    My PHP application fails whenever it tries to send an email. The problem is limited to sending—receiving works elsewhere—and the code relies on PHPMailer configured to run through Sendmail rather than SMTP. I need someone to trace the root cause, correct the configuration or code, and verify that messages leave the server reliably without throwing errors or disappearing into the queue. You will have SSH or panel access (read-only first, write when we’re confident) so you can inspect log files, PHPMailer settings, and the Sendmail configuration. When you are done, I want to hit the existing “Send” button and see the message land in my test inbox with the correct headers and no warnings in the server logs. Deliverables: • Updated PHPMailer or Sendmail set...

    $25 Average bid
    $25 Avg Bid
    143 bids

    I need a skilled developer to integrate the IBKR API with Pydantic models, focusing on financial transaction data. Step 1. Basic Prototype. Let's build a relationship and grow together if we're both happy. Key tasks include: - Integrate IBKR API for: - Ticker information - Historical data - Real-time quotes - Data validation and parsing using Pydantic -backtesting Ideal skills and experience: - Proficiency in Python, Pydantic, and API integration - Familiarity with IBKR API and financial data - Strong error handling and logging capabilities

    $494 Average bid
    $494 Avg Bid
    201 bids

    Need the software and app developer who can work with us for our application development. The app is ready and in testing phase however I need the engineer who can work on fixing issue and bugs and future development

    $4 / hr Average bid
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    47 bids

    I’m building a complete model in Sparx Enterprise Architect and need an expert hand to accelerate two areas: creating a full range of diagrams and setting up solid requirement management. On the diagram side, every view matters to me. I’ll need crisp UML class, sequence and use-case diagrams, along with business-process and data-flow representations, all housed in a single, well-organised repository. Styles, layers and traceability links should be consistent so that anyone opening the .eapx file instantly understands the landscape of the system. For requirements, I want a clean workflow inside Sparx: elements imported or entered, grouped, versioned and traced directly to the diagrams you produce. Basic reports (HTML or RTF) that demonstrate this traceability will round off ...

    $138 Average bid
    $138 Avg Bid
    53 bids

    I’m gearing up to launch a brand-new web application and need a seasoned Project Manager who can steer the entire software development lifecycle from kickoff to go-live. Your focus will be on keeping the team aligned, the scope controlled, and the release date realistic. Scope • Translate my high-level product vision into a clear, executable roadmap. • Build and maintain a sprint schedule in Jira (or a comparable Agile tool) and keep burndown data current. • Facilitate daily stand-ups, backlog grooming, and sprint reviews so developers stay unblocked and priorities stay sharp. • Coordinate UI/UX, front-end, back-end, and QA efforts, ensuring hand-offs are smooth and nothing slips through the cracks. • Track risks and dependencies, flagging anything...

    $17 / hr Average bid
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    163 bids

    I need an Android-only app that stops the endless scroll on Facebook, Instagram and TikTok, while giving users a live view of exactly how long they spend on each of those platforms. The core idea is simple: whenever the user activates Focus Mode inside the app, vertical scrolling, shorts, reels or any other auto-play feed in the three selected social media apps must be completely blocked until the timer ends or the user explicitly unlocks it with a PIN. Real-time tracking is essential. The moment any of the three apps comes to the foreground, a counter should start and update on a small overlay or notification, then roll straight into a dashboard that shows current session length, total time today and historical charts. No scheduled daily or weekly batches—everything updates instant...

    $15 / hr Average bid
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    26 bids

    I am rolling out a fresh Moodle 4.0 instance and need it fully installed, configured, branded and extended with a suite of recruitment-oriented features. The core LMS work covers server-side installation, database setup, theme tweaking and basic course templates. Where the project becomes interesting is in the custom add-ons that must plug into Moodle’s workflow: • AI Interview Taker – a bot that can conduct and score recorded interviews and push results back to the gradebook. • CV-JD Scanner – compares a learner’s résumé with a chosen job description, returning a fit score and detailed gap analysis. • ATS Enhancer – formats and tags résumés so they pass common applicant-tracking systems. In addition, I want:...

    $273 Average bid
    $273 Avg Bid
    39 bids

    We are a manufacturing company running Infor CloudSuite Industrial (multi-site) and are looking for an experienced CSI/Mongoose developer for a small, well-defined enhancement project, with the potential for ongoing work. We are specifically looking for someone comfortable working hands-on with: Must have experience with: Mongoose framework Form/event-based automation within CSI If you know your way around Mongoose, and the SyteLine personalization framework, let’s get started. Please when replying outline your experience and similar work that you have done in the past in Syteline. Business case and technical specificity to demonstrate competence in this topic would be appreciated.

    $44 / hr Average bid
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    180 bids

    I want to build a specialized options screener that filters contracts in real-time based on two main criteria: raw price and volume data. My goal is to display only those strikes that meet dynamic thresholds—which I can adjust as needed. The back-end logic is the priority. I need reliable data ingestion (preferably from Upstox API), a rules engine where I can add or modify filters without altering the core code, and an interface that clearly displays the resulting option chains. The screener should include functionality for time frames of 15 minutes and 1 hour. Deliverables: • Clean, well-commented source code for the screener • A configuration file or panel to adjust price, volume, and volatility thresholds • A brief setup guide and a Loom-style walkthrough so I can...

    $21 Average bid
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    12 bids
    AIX Kernel Crash Debugging
    5 days left
    Verified

    We are developing a security product for AIX that is currently causing kernel crashes. We need an experienced engineer to work with our development team to identify and resolve the root cause. We'd like to start with a short discovery call to confirm fit, then move quickly. Ideal experience: Debugging AIX kernel extensions Analyzing AIX system dumps AIX kernel internals

    $35 / hr Average bid
    $35 / hr Avg Bid
    19 bids

    I run a jewellery business that needs a single, unified system to streamline inventory, billing, CRM and reporting across gold, silver and diamond lines. I’m looking for an experienced developer or team that can deliver both a browser-based interface (mobile responsive) and a lightweight desktop client, giving my staff the flexibility to work from the sales counter, back office or on the move. Core scope • Inventory Management for precious metals and stones • Stock Inward & Outward with barcode generation / scanning • Sales Billing compliant with Indian GST • Purchase & Vendor Management • Customer Management with basic CRM features • Repair / Job-work tracking • Role-based user permissions • Real-time dashboards, print...

    $569 Average bid
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    115 bids

    This project centers on a brand-new MS SQL Server CLR-based User Defined Function that performs format-preserving encryption (tokenization) of Personal Identifiable Information. The primary goal of this engagement is to validate that the CLR UDF architecture meets the required throughput target. The cryptographic implementation may use an existing FF1/FF3-1 library or a lightweight placeholder — what must be proven is that the SQL Server CLR layer can sustain the expected load at scale. Every line will be written from scratch and staged in our Development environment. Scope • Implement FF1 and FF3-1 per NIST SP 800-38G in C#. An existing open-source library is acceptable provided it is fully managed and compatible with SQL CLR deployment. • Wrap the algorithms in a MS ...

    $528 Average bid
    $528 Avg Bid
    96 bids

    I'm looking for an experienced VoIP/SIP developer (or small team) to build a cross-platform SIP client supporting both peer-to-peer calls and video conference joining, with no mandatory registration (registration support required but optional at runtime). Core requirements: 1:1 P2P SIP calls without registration, plus ability to join video conferences regardless of the conferencing platform Audio + video with these codecs: Video — H.264, H.265; Audio — Opus, G.711, G.722, G.729 (G.729 if licensing permits) BFCP for screen sharing Participant list retrieval (including a proxy approach to read participants from the backend if needed) Optional SIP registration (built in for future use) Platforms: iOS, Android, Windows, macOS Preferred stacks: PJSIP or baresip — propose...

    $13782 Average bid
    $13782 Avg Bid
    136 bids

    Role: Developer Talent Scout (Client-Ready Engineers) Remote - Open Worldwide We’re hiring someone who can spot developers who don’t just code well—but can also hold their own in front of clients. In this role, your focus is to find full-stack engineers who are comfortable jumping into live conversations, explaining their work clearly, and handling client interactions without hesitation. Think of it as sourcing developers who can both build and communicate. We’re not looking for silent coders. We want people who can speak, present, and simplify technical ideas for non-technical audiences. **What kind of developers you’ll be looking for:** - Solid experience across frontend and backend (MERN is a strong plus) - Clear, confident English and Spanish in real...

    $139 Average bid
    $139 Avg Bid
    74 bids

    I need a Wireshark dissector that understands the proprietary NSE NNF protocol in depth. Every header and payload field must be decoded so the details pane shows a clear, hierarchical view, and I can filter on any of those fields just by typing a display filter such as nnf.msg_type == 0x12. Packet filtering and protocol decoding are therefore essential; statistics generation is not required at this stage. I am undecided on whether the code should register under the existing IP/TCP dissectors or live as a standalone plugin, so I will look to you for guidance on whichever architecture makes maintenance and future Wireshark upgrades easiest. The finished work has to build cleanly against the current stable Wireshark and drop straight into the plugins folder on Windows and Linux. You are fre...

    $239 Average bid
    $239 Avg Bid
    11 bids

    أحتاج إلى تطوير برنامج كاشير مخصص يعمل في مقهى، تُدخل فيه المبيعات يدويًا بالكامل. أهم ما أريده أن ينجزه النظام هو: • إضافة المنتجات بسهولة مع إمكانية تعديل الأسعار والكميات في أي وقت. • حفظ إجمالي المبيعات اليومية بشكل تلقائي وإظهارها عند الطلب. • الاحتفاظ بسجل تاريخي واسع لكل عمليات البيع يمكنني الرجوع إليه لاحقًا عبر فلاتر تاريخ مرنة. • طباعة الفاتورة مباشرة من البرنامج بتصميم بسيط وواضح يُظهر تفاصيل الطلب والسعر الإجمالي. واجهة الاستخدام يجب أن تكون عربية وسهلة، تعمل دون اتصال بالإنترنت على جهاز واحد في البداية (إمكانية التوسّع لاحقًا ميزة مرحّب بها). إذا كنت قد أنجزت أنظمة مشابهة للمقاهي أو تملك عرضًا تجريبيًا يُظهر السرعة وسلاسة طباعة الفاتورة فأرفقه مع عرضك. أي اقتراحات إضافية لتحسين تتبع المبيعات أو تقارير الأداء سأقيّمها بعناية.

    $166 Average bid
    $166 Avg Bid
    64 bids

    I need a simple yet fully-functional mobile app built fast—an MVP I can run on Android first, but written in a cross-platform framework (Flutter, React Native or similar) so iOS can be added later with minimal effort. Core must-haves: • Email-and-password user authentication • Firebase as the realtime database and back-end service • A clean, intuitive UI that still looks polished even though this is a school-level project You’ll handle both the client side and the server / cloud functions, wire them together, and hand back everything I need to deploy on my own machine. I’ll share a concise spec; it isn’t huge, so the right developer should be able to turn around a working build within 1–2 days. Deliverables I expect at hand-off: 1. An...

    $41 Average bid
    $41 Avg Bid
    36 bids

    I want to give my brand a fresh, coherent look across every touch-point. First, I need a clean, memorable logo that will work on light and dark backgrounds and scale nicely from a favicon up to large print. Alongside the logo, I’m looking for a complete Instagram package—regular feed posts, story templates, and highlight covers—that all share the same visual language. Instagram is my only social channel for now, so every graphic has to be sized and optimised for that platform. If you can also cut short promo clips or simple motion pieces from my raw footage, let me know; I’d like to keep video editing under the same roof if possible. Deliverables • Logo in vector (AI, EPS) plus PNG, JPG, and SVG • Brand colour and font references • Five static p...

    $34 Average bid
    $34 Avg Bid
    19 bids
    Dev needed to make changes
    5 days left
    Verified

    i need a dev that could make changes to a web app thats already been developed. Changes will be done now and then. Please send me your rates.

    $23 Average bid
    $23 Avg Bid
    122 bids

    We’re looking for an experienced Meta/WAB developer to set up our WA Business Cloud API from scratch, including Business Manager verification and full API readiness. This is a hands-on implementation role, not consulting — we want someone who has done this before and can execute end-to-end including all verifications processes. By the end of this project, we should have a fully functional WA Cloud API setup, with all credentials ready to plug into our ERP system and successfully send/receive messages. You will be responsible for: • Creating and verifying our Facebook Business Manager • Creating and configuring a Meta App with WA Cloud API Setting up: • App ID & App Secret • System User • Long-lived Access Token • Creating and linking a WABA...

    $339 Average bid
    $339 Avg Bid
    141 bids

    I have a Python-based script that has been packaged into an .exe and currently pushes data out using an ADPU-style transmission. I now need that same codebase to send and receive using ATR transmission instead. The core of the job is to modify the existing data-transmission format—no protocol swap or major architectural overhaul, just a precise refactor so every outbound and inbound message complies with ATR rules while the surrounding logic remains intact. You will receive: • The full script source that was frozen into the .exe • Sample ADPU request/response pairs and the matching ATR specification I must follow Deliverables I expect: • Updated Python code with clear comments highlighting every line touched • A rebuilt .exe that runs on Windows 1...

    $36 Average bid
    $36 Avg Bid
    51 bids

    Cloud360 is moving into Phase 2, a cycle dedicated solely to squashing the bugs that surfaced after launch. I’ll hand you a clearly documented backlog—steps to reproduce, log excerpts, and a link to the Git repository—and expect clean, well-commented patches submitted via pull request. Each fix must be accompanied by unit tests and must pass the existing CI pipeline before we promote it to our staging environment. The stack is a typical cloud-native mix of Node.js, React, PostgreSQL, Docker, and AWS services, with automated testing through Jest/Mocha and a CI/CD workflow. If you are comfortable diagnosing issues in this ecosystem and can work iteratively while keeping an eye on regression risk, you’ll fit right in. Deliverables • Patched source code for eac...

    $26 Average bid
    $26 Avg Bid
    66 bids

    I'm seeking a straightforward asset depreciation software that can generate and print our monthly depreciation reports. The software must run on Windows. Key Requirements: - Support for multiple asset types including: - Machinery - Vehicles - Office Equipment - Office Computers - Motor Cycles - Office Furniture - Land & Building - Bicycles & Accessories - Carpets & Curtains - Computer Software - Trailers & Accessories - Depreciation Method: Straight-line Ideal Skills and Experience: - Experience in developing desktop applications for Windows - Familiarity with accounting principles, specifically asset depreciation - Ability to create user-friendly reporting features The software must automatically calculate the depreciation from the purchase da...

    $473 Average bid
    $473 Avg Bid
    110 bids

    I'm seeking an experienced developer to create a retail billing software tailored to my needs. The software must include robust customer management features. Essential Requirements: - Customer Management: - Comprehensive Customer Database - Purchase History Tracking Ideal Skills and Experience: - Proven experience in developing retail billing software. - Strong expertise in customer management systems. - Proficient in database management and software development. - Ability to deliver intuitive and user-friendly interfaces. Please provide samples of previous related work.

    $96 Average bid
    $96 Avg Bid
    51 bids

    I need a Microsoft Power Automate Desktop flow that takes the repetitive grind out of my current data-entry routine. The job is strictly about data extraction and entry: the bot should read plain text that appears on screen inside various applications (think scrolling lists, pop-ups, or standard desktop windows) and then place that information exactly where it belongs in our target spreadsheet/database. Here is what matters most: • Capture on-screen text reliably even when window positions change. • Paste or write those values into the predefined fields I will show you. • Run unattended once triggered and provide a simple way for me to edit source or destination selectors later. You can lean on the native UI automation, text scraping, and, if needed, OCR features alrea...

    $79 Average bid
    $79 Avg Bid
    9 bids

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