Trabajos freelance desarrollador java bogota jobs

I need assistance to solve three coding tasks using Python, Java, and SQL. The challenge involves - Analytical problem-solving - Implementing quality checks - Code compilation The challenges require proficient skills in the aforementioned languages, while also ensuring code efficiency. Prior experience in problem-solving and understanding how to efficiently check and maintain the quality of code is a big plus.

I'm looking for an 8+ years experienced backend Java developer who is proficient in the creation and implementation of APIs. - Designing, building and maintaining efficient REST APIs in Java - Ensuring high performance and responsiveness of the APIs Ideally, you would have: - Proficiency with Java and experience in backend development - Strong experience with REST API development - In-depth understanding of code versioning tools, such as Git. As this project is ongoing, showing initiative and problem-solving skills would be highly valuable, opening up opportunity for more work in the future. Good communication and reporting skills are required.

I am in need of a proficient individual Java developer who has a solid understanding and experience with Java Netty framework. The primary goal of this project is real-time data processing and the candidate should have extensive experience in dealing with high volume TCP connections and socket management. Key Responsibilities: - The primary task will be real-time data processing. - Handling high volume of TCP connections efficiently. - Proficient socket management. - Ensuring the stability and reliability of the system under high data volume processing. Ideal Skills and Experience: - Expert level of experience with Java Netty framework. - Proven track record in handling high volume TCP connections. - Previous experience in real-time data processing systems. - Strong ...

We are seeking a skilled and experienced freelance web developer to create a professional website for our company. As a provider of outsourced web hosting support, our primary aim is to showcase our services tailored specifically to web hosting companies. Key Objectives: Showcase Services: The website should effectively communicate our range of services, emphasizing our expertise in providing outsourced web hosting support to web hosting companies. This includes features such as server management, technical support, troubleshooting, and customer service. Engage Target Audience: The website should be designed to engage and appeal to owners and decision-makers of web hosting companies. Clear and concise messaging, along with compelling visuals, should highlight the benefits of partn...

I am looking for some freelance engineers to undertake drainage design work for projects based in the U.K (England principally). This work can be done remotely. This would involve the use of Causeway Flow+ design software (which I can provide some training with) and a CAD package. I am a freelance flood risk and drainage engineer based in England and sometimes have more work than I can handle. I am looking for some contacts with whom I can share work when required. Any experience of working in the U.K would be beneficial (but not essential). The work typically involves designing outline and detailed surface water (stormwater) drainage systems for new developments (residential, commercial, industrial). Sometimes foul water systems are required too. Thanks for you...

I'm seeking a proficient developer to build a comprehensive demo or starter code integrating Snowflake and Kafka using AWS cloud. The ideal candidate should have deep understanding of concepts such as: - Data ingestion - Data transformation - Data storage and retrieval The code should ensure: - Optimal performance - Scalability - Security The code can be written in Python or Java. In-depth knowledge of these languages, as well as experience with Snowflake and Kafka integration, is a necessity for a successful bid on this project.

I'm in need of a photographer based in Durban, South Africa. This is a freelance opportunity for a skilled professional who can capture high-quality images. Key details: - Your role will include taking photographs in Durban, South Africa, so residing in or near this location is a must. - The specific type of photography required will be discussed upon hire. Necessary skills and experience: - Proven experience as a photographer - A portfolio showcasing your work is a must - Understanding of photographic principles and techniques - Excellent communication skills - Ability to work independently and creatively. I'm looking for someone reliable, creative, and with a good understanding of photography in a commercial context. Looking forward to reviewing your proposals.

Typical Functions: Data Architecture: Leverage your 5+ years of experience in designing and optimizing database solutions. You’ll work closely with stakeholders to create a robust data architecture that seamlessly integrates various data sources. Programming Languages: Demonstrate proficiency in Java and C#. Your code is not just functional but elegant. Team Leadership: As a seasoned engineer, you’ll mentor junior team members, foster collaboration, and drive technical excellence. Cloud Solutions: Familiarity with Azure or AWS is essential. You’ll architect, deploy, and manage cloud-based solutions. Data Import Strategy: Devise a robust strategy for importing data efficiently, ensuring data quality, and maintaining performance. Collaboration: Work closely with cro...

Location: Trinity, North Carolina, 90% on-site (see info in the requirements section) Job Type: Freelance/Part-Time - Possibility for long-term assignments Employment Type: Contract – Project oriented This project is ideal for students and entry-level professionals. Involves assisting with product photography and videography for my new online store opening. If you have a knack for capturing stunning, unique images and are ready to bring your creative flair to my product range, I want to hear from you! Responsibilities: • Assist in setting up photography scenes with limited props, a trip(s) to purchase necessary items will likely be involved. • Provide guidance on lighting techniques, photography methods, and tips to capture the best images of...

As I am wishing to expand the functionalities of my current plugin, I am looking for a skilled freelance developer to create and integrate a Doku payment gateway plugin addon to work compatibly with my already existing setup. However, I am unsure if the Doku payment gateway plugin is already installed or configured, even though I do have admin panel access to check. A brief breakdown of this task includes: - Checking if the Doku payment gateway plugin is already installed on my website. - If not installed, assist with the installation and configuration. - Developing an addon that will integrate seamlessly with the existing setup. - Ensuring that the addon works efficiently and without hindering any other functionalities on the site. The ideal freelancer for this task should have ...

...using Drupal's built-in capabilities or external modules. • Ability to refactor and migrate existing codebase while maintaining functionality and performance. • Excellent communication skills and ability to work collaboratively in a remote team environment. • Prior experience in large-scale system revamp projects or similar initiatives is preferred. Additional Information: This is a remote freelance opportunity. The selected candidate will be provided with access to the existing codebase and will work closely with the project manager and development team. The project timeline and specific tasks will be discussed and agreed upon with the chosen candidate. To Apply: Please submit your proposal outlining your relevant experience and approach to implementing ...

I am in need of an expert in Android application development for a commercial grocery shop app. The freelancer should have substantial background in Android app development. The app needs to be user-friendly and engaging. Key Requirements: - Ability to develop an Android app from scratch - Proficient in Java or Kotlin - Familiarity with Android SDK and Android Studio Please detail your experience with Android development in your bid, it would heavily influence my decision. Looking forward to having an experienced professional developer on board!

Are you a talented app developer with expertise in Bubble and CRM integration? We're looking for someone like you to join our team on a freelance basis and help us bring our vision to life! Project Overview: We're seeking a skilled developer to design and develop an app using Bubble that seamlessly integrates with our CRM system. The app will streamline our processes, improve efficiency, and enhance user experience by providing a user-friendly interface for managing contacts and data. Key Responsibilities: Collaborate with our team to understand our CRM system and business requirements Design and develop a user-friendly app using Bubble that integrates seamlessly with our CRM Implement features for managing contacts, data entry, and reporting Ensure the app meets our s...

We are seeking a skilled and experienced java developer to create a custom JMeter backend listener that can send real-time test results directly to a PostgreSQL database. This project aims to enhance our testing capabilities by enabling seamless integration of JMeter results into our PostgreSQL environment, similar to existing solutions for MySQL like the one found at "" Requirements: Proven experience with Java programming and JMeter test development. Strong knowledge of PostgreSQL and experience in integrating it with Java applications. Familiarity with the JMeter API and backend listener framework

I'm currently seeking a talented designer to help me with an engaging and relevant book cover for my new non-fiction, personal development book aimed at 911 operators. Your responsibilities: - Understand the target audience and the main theme of the book to create a cover that captivates readers - Create a desig...non-fiction and personal development genre, will be appreciated - Knowledge of design software and tools - The ability to come up with creative and original ideas - An understanding of the 911 operators work environment, their challenges and potential growth areas would be beneficial in creating a relatable cover design I look forward to receiving compelling design concepts from experienced freelance book cover designers who understand the essence of the book an...

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I require an expert proficient in Python, SQL, and Java to work on a Codility assessment. The assessment will be conducted at an intermediate level and will be inclusive of various tasks that I will be solving in the language of the question. Key Requirements: - Comprehensive Knowledge in Python, SQL, and Java - Proficiency in tackling Codility assessments - Understanding of the assessment's specific concepts and frameworks Remember to adhere to Codility's test format and code-writing guidelines. Your completion and success of this project will greatly depend on your ability to grasp and execute these particularities.

Looking for a talented Java developer to build a to-do list application with a focus on Object-Oriented Programming (OOP). The application will be simple yet effective, featuring offline usage capability which is crucial for productivity in various environments. Key Requirements: • Application Compatibility: The app must be compatible with Windows, Mac and Android platforms. • Offline Functionality: The app should allow users to continue using without a constant internet connection. Skills and Experience: • Proficient in Java OOP. • Extensive experience developing applications for different platforms. • Good understanding of implementing offline capabilities in applications. Application Guidelines: • Freelancers are required to provide d...

...Also a separate user account should be created to access this database. The user should have read/write access, I will again supply the username and password via command line. - The solution should include a set of servers to run both backend and frontend services. I want to be able to make a small change in the script to scale up or down the number of servers. This servers need to run AWS Linux, Java 21, node js 12, and datadog agent. We will start with 1 EC2 instance but as I said I want to be able to change that value and scale up (or down as needed). - The EC2 instances need to upload a config file for Datadog agent, part of this we need to supply the datadog api_key, which will be supplied in the command line via variables. The script needs to update that key in the datado...

I need a coding whiz capable of handling a rigorous coding assessment on my behalf. Proficiency in Python, Java, JavaScript and NPL. I have my recorded answers already just need someone to help me make sure they are correct. The use of AI like chatgpt will not work for this. - Assignment Details: The assessment will include tasks revolving around Algorithmic Problems and Object-Oriented Programming Problems. - Ideal Candidate: A highly experienced developer with a proven track record handling similar tasks and delivering under tight deadlines. Please, only bid if you meet the above criteria and you're ready for an immediate start.

I'm in need of a talented DevOps engineer, proficient in AWS and GitHub Actions, to assist with an array of DevOps tasks. Key Tasks: - Deploying web applications - Infrastructure automation - Continuous in...talented DevOps engineer, proficient in AWS and GitHub Actions, to assist with an array of DevOps tasks. Key Tasks: - Deploying web applications - Infrastructure automation - Continuous integration and deployment (CI/CD) The applications are built using Java, requiring deep expertise in this language for effective collaboration. To succeed in this job, a solid understanding of web applications, coupled with extensive experience using AWS and GitHub Actions, is critical. Automation skills are also vital. Join us and help make our Java web application deployment s...

Looking for a reliable Android developer proficient in Java to design a new application with specific features that fulfill my needs. The ideal candidate would have extensive experience in: - Developing on the Android platform specifically for smartphones. - Implementing social media integration into apps, as this is a vital aspect to my project. - Adding advertising capabilities to apps. Experience with different ad formats and placement strategies would be beneficial. - Redesigning and improving upon User Interface (UI) to create an optimal user experience. In-depth knowledge of Java is crucial, as it's the preferred programming language for this project. Familiarity with in-app purchases and working in offline mode would be a bonus, although not a requirement. This...

I'm in need of a skilled Java developer to build an Android app for me. Essentially, I have a code that I'd like to transform into a user-friendly, medium complexity application. It should allow me to input values straightforwardly, and upon entry, it would calculate and generate a result. Key Requirements: - Write clean, maintainable and efficient Java code - Develop intuitive, medium-complexity user interface - Implement the capability of retrieving inputs and performing given calculations - Ensure compatibility with Android platform - Pay attention to details and put user experience in front of everything Ideal Skills: - Solid experience with Android development using Java - Proven track record in creating user-friendly applications - Exceptional probl...

...focus for this project is the Java code implementation. I'm looking to hire a freelancer who can create class diagram and help me translate a class diagram into well-crafted Java classes. Key Tasks: -Create diagrams - Translate a modified class diagram into Java classes - Ensure the Java classes are correctly implemented according to the diagram Your responsibilities will include: - Adding products to the rental cart - Calculating rental fees and duration - Processing payment - Generating a rental invoice Your expertise in Java and software design will be crucial for this project. I anticipate that this task will involve a deep understanding of class design as well as an understanding of the rental business process. Please include examples o...

build desktop appication from scratch using java processing

I'm looking for a professional who can help me create HackerRank for three algorithmic tasks to be completed within 90 minutes The ideal candidate should: - Be proficient in Python and Java, with a strong understanding of data structures, algorithms, and object-oriented programming - Have experience in creating programming challenges or assessments - Be able to design medium difficulty tasks that are both engaging and challenging - Familiarity with HackerRank platform is a plus I will provide more detailed requirements and guidelines once we kick off the project. Looking forward to working with an expert in this field.

I'm looking for an experienced Java developer to create a custom compiler. It will be geared towards handling key Java features including Object-oriented programming, Exception handling, and Generics. Key requirements: - Ability to write a compiler in Java - Strong understanding of Java's key features (OOP, exception handling, generics) - Previous experience with developing compilers is a plus The project doesn't specify a particular version of Java, but the ability to work with different versions may be beneficial. Please provide examples of previous compiler projects or relevant work.

I need some Android developers in java I need work from New freelancers I need work for long term but at low budget I need a serious and hard working persons

We are a company specializing in the sale of hot tubs under the brand name "Multistream Hot Tubs." We are looking for a skilled freelance designer to create a logo for our company. The logo should effectively communicate the dynamic and luxurious nature of our hot tubs. Here's what our brand name means: 1. "Multistream" suggests the presence of numerous jets in the hot tub, each strategically positioned to create streams of water in different directions. This conveys a sense of dynamic and varied hydrotherapy experience. 2. Our hot tubs offer multiple streams of features, including various jets for hydrotherapy, multiple seating configurations, and different types of water features such as waterfalls or fountains. Requirements: 1. Visual Representation: Th...

An app similar to Uber and Lyft. 1. Mobile App Development: Proficiency in mobile app development platforms such as iOS (Swift) and Android (Java/Kotlin). Experience with cross-platform development frameworks like React Native or Flutter can be beneficial for building apps that work on both iOS and Android. 2. Backend Development: Strong understanding of backend development technologies and frameworks like Node.js, Python (Django/Flask), or Ruby on Rails. Knowledge of databases such as MySQL, PostgreSQL, or MongoDB for storing user data, ride information, and other relevant data. 3. Geolocation and Mapping: Familiarity with geolocation services and APIs for tracking user location and providing real-time navigation. Experience integrating mapping and routing APIs such as Google Ma...

Job Overview: We are seeking a skilled freelance researcher to create a comprehensive directory of therapists and autism specialists located in London. This project encompasses a wide array of therapy disciplines as well as top specialists in autism treatment for children. The ideal candidate should possess excellent research abilities, have a strong understanding of the healthcare sector, and be adept at accessing and verifying professional credentials and contact details. Responsibilities: Systematically collect and verify contact information and qualifications of therapists and autism specialists, ensuring that all data is up-to-date and accurate. Utilize a range of sources such as professional healthcare directories, medical institutions’ databases, specialized LinkedIn ...

?Hello there :) We're seeking a Freelance Sales & Business Development Specialist speaking German. If you have passion and experience in SaaS and Tech industries, and the expertise to navigate the German market, we want to hear from you. As a sales agency, we help SaaS and tech companies sell around Europe cooperating with local Sales Specialists, freelancers. Based on our experience, that is the most effective approach, as local Sales Specialists grasp the culture, the people, and the language. So, currently we're seeking for a Sales Specialist for a Media Innovation Company, willing to handle the entire sales cycle. .target market: Germany .target audience: marketers & brand managers .required skills: - You speak native German - You have experience in B2B s...

I'm seeking a knowledgeable professional to migrate our existing Java codebase and tests from Cucumber to Maven. Matcher skills and qualifications should include: - Proficient in both Java, cucumber and Maven - Experience in migrating code between frameworks with in java - Ability to ensure codebase and test functionality remains intact post-migration Interested experts, DM for further information. No additional features or functionalities needed at this stage beyond successful migration.

If you are new freelancer who wants to have their first job , We're seeking talented individuals, whether you're a student of architecture or a certified architect. Requirements: Passion for architecture. Creativity and innovation. Attention to detail. Proficiency in design software. Strong communication ...wants to have their first job , We're seeking talented individuals, whether you're a student of architecture or a certified architect. Requirements: Passion for architecture. Creativity and innovation. Attention to detail. Proficiency in design software. Strong communication skills. This opportunity is perfect for gaining experience, building your portfolio, and establishing yourself in the freelance community. If you're ready to dive in, send us your...

I need an expert who can enhance my existing Java application, which currently translates MATLAB code to X10, to also support C++ as a target language. Key Modifications: - **Update Syntax Translation Rules**: The modification requires a deep understanding of both MATLAB and C++ syntax. The existing rules for translation from MATLAB to X10 need to be adjusted to C++. - **Add Support for C++ Specific Libraries**: The modified application should be able to integrate commonly used C++ libraries seamlessly. Accuracy and Time: - **Accuracy is Key**: The conversion of MATLAB code to C++ needs to be precise. While I'm open to additional development time, the primary goal is to ensure the accuracy of the conversion. - **No Specific Library Requirements**: Though the modification n...

I'm looking for a dedicated, reliable, and experienced remote freelance assistant to join my team on a full-time basis. Your main responsibilities will encompass basic administrative tasks, web design, and digital marketing, writing contents with ChatGpt and editing manually. (Hindi knowledge is must) The key areas where I need assistance include: - **Social Media Management**: You will be responsible for managing our social media accounts. This will involve creating engaging posts, interacting with customers, and managing our social media presence. - **Content Creation**: You will also be tasked with creating content for our various platforms. This includes written content, images, and potentially video content. - **SEO Optimization**: Your role will also encompass working o...

I'm seeking for a proficient game developer to construct an adventure puzzle game in Java with particulars emphasis on level exploration and timed challenges. Key task aspects include: - Developing levels that encourage and facilitate exploration - Incorporating time-based challenges to add dimensions of difficulty and engagement - Applying 2D pixel art graphical style to all elements of the game Ideal candidate should have: - Proficient expertise in Java and game development - Strong background in crafting 2D pixel art for games - Prior experience producing explorative puzzle games or implementing time-based mechanics.

I am seeking an experienced SEO specialist to assist with the creation of 100 high-quality backlinks from authoritative sites within the technology industry. This task aims to improve my search engine rankings, therefore candidates with verifiable results in boosting SEO rankings will be preferred. The project specifics include: - Building 100 backlinks on tech-related high-authority sites - Linking to my websites pages. Candidates should possess: - Proven SEO and backlink building skills - Knowledge and experience in the technology industry - Ability to identify and leverage high-authority tech-related sites - Excellent content creation and placement strategies A successful completion of this task could lead to possible long-term collaboration.

...software development, or another related field; a master’s degree is recommended Solid understanding of common programming languages used in AI, such as Python, Java, C++, and R Advanced knowledge of statistical and algorithmic models as well as of fundamental mathematical concepts, such as linear algebra and probability Experience working with large data sets and writing efficient code capable of processing large data streams at speed Familiarity with deep learning and machine learning algorithms and the use of popular AI/ML frameworks Excellent communication skills The ideal candidate will have substantial experience with Python, Java, R programming and API handling. Your main task will be to leverage these languages to develop an AI system centered on image recog...

I am seeking a versatile freelance content writer who specializes in crafting engaging and insightful ed-tech related blog articles. My main target audience includes both students and parents. Therefore, ideally: - You have proven experience in writing for the field of ed-tech or a related industry. - Your writing can captivate both student and parent audiences. - You have a knack for making complex subjects accessible and relatable. - You can consistently deliver high-quality content in a timely manner. Bring your passion for education and technology to the forefront and help me create a striking digital imprint.

I am in need of a JavaFX expert to help me create a data visualization application. The main ...main aim of the application is to visualize data in a graphical format. Key Requirements: - The application must be compatible with Windows - The main function of the application should be data visualization - The data visualization should include the ability to paste array lists Ideal Skills and Experience: - Proficient in Java and JavaFX - Strong understanding of data visualization techniques - Experience with creating GUIs in Java - Knowledge of array handling in Java Please note that the primary task is to create a JavaFX application to visualize data and allow for front-end pasting of array lists. Your experience in these areas will be crucial for the successful com...

I am in search of a freelance sales expert who can help me promote a specific product line through Instagram, Pinterest, and TikTok. The primary objective for this campaign is to boost direct product sales. Key Responsibilities: - You should have a solid understanding of how e-commerce operates on these platforms, and a proven track record of driving direct product sales. - Your role will primarily focus on crafting social media campaigns that resonate with the audience and compel them to make purchases. Ideal Skills and Experience: - Proven experience in e-commerce sales with a strong emphasis on Instagram, Pinterest, and TikTok. - Strong knowledge of social media advertising and an ability to leverage these platforms effectively. - Exceptional communication and storytelling skil...

I urgently need a professional to integrate SunPay Payment Gateway into my Android app. Gateway is already working. Just need to fix few integration related issues. Key responsibilities: - Establish a fluid an... Gateway is already working. Just need to fix few integration related issues. Key responsibilities: - Establish a fluid and secure payment process through the SunPay system - Ensure optimal user interface for the payment process - Execute rigorous testing to guarantee a flawless user experience Ideal candidate will have: - Extensive experience in Android app development - Proficiency in PHP, Java and Kotlin - Proven record with integrating payment gateways, particularly SunPay, into Android apps - An ability to work under a tight deadline. This project needs to be compl...

Hi Michael N., I noticed your profile and would like to offer you my project. We can discuss any details over chat. I am looking for a freelance voice-over artist to record a script for a project. Clear and professional voice Ability to deliver files in [MP3] Deadline: As soon as possible

Hi Michael N., I noticed your profile and would like to offer you my project. We can discuss any details over chat. I am looking for a freelance voice-over artist to record a script for a project. Clear and professional voice Ability to deliver files in [MP3] Deadline: As soon as possible

...send automated service reminders to customers. Targeted Development Approach: To ensure cost-effectiveness, the initial development will focus on the core functionalities listed above. Additional features like QR code support and SMS reminders can be incorporated in future updates based on budget and project needs. Required Skills and Experience: Strong proficiency in Android app development with Java/Kotlin. Experience with integrating external hardware (RFID reader) with Android apps. Understanding of data management and user interface design principles. Ability to deliver a clean, efficient, and user-friendly application. We look forward to collaborating with a talented developer to bring this project to life. Please provide your portfolio and estimated project timeline and co...

We are seeking an experienced freelance app developer to create a digital escrow platform based on the provided Figma design. The app will involve integrating APIs for KYC, Wallet, Payin, and Payout functionalities. Key features include user management, contract management, and notifications. Requirements: Proficiency in app development with a focus on security and user experience. Ability to integrate APIs seamlessly. Familiarity with KYC processes and payment gateways. Strong communication skills and a proactive approach. Project Scope: Develop the app based on the Figma design. Implement sign-in, sign-out, and user management features. Integrate KYC, Wallet, Payin, and Payout APIs. Create a contract management system. Set up notification functionality. Note: Chat functionalit...

...final year of a computer science degree and would like to outsource my final year project. The project will focus on data analysis, particularly using Java. Key Requirements: - Java Proficiency: The project is heavily focused on Java, so I expect the freelancer to have strong Java programming skills. - Data Analysis Expertise: The project requires a deep understanding of data analysis techniques and tools. - Understanding of Computer Science Principles: Since this is a final year project, I need someone who has a solid grasp of computer science principles and can implement them effectively. Ideal Skills and Experience: - Strong background in Java programming - Proficiency in data analysis tools and techniques - Experience in developing data analysis...

Job Title: YouTube Shorts Editor Location: Remote Job Type: Freelance, Part-time Compensation: $0.50 per video Description: We are seeking a talented and creative YouTube Shorts Editor to join our team on a freelance basis. As a YouTube Shorts Editor, you will be responsible for editing short video clips to create engaging and visually appealing content for our YouTube channel. Responsibilities: *Edit short video clips provided by the team to create high-quality YouTube Shorts content. *Ensure each video is professionally edited with attention to detail and adherence to brand guidelines. *Use creative editing techniques to enhance visual appeal and engage the audience. *Add appropriate music, sound effects, and graphics to enhance the overall impact of the videos. *Und...

We are part of a worldwide network providing drug testing services. We have a presence in multiple countries. Our client wants us to conduct drug testing around Gifu, TAKAYAMA, Japan, 506-0012. We will reimburse you for your travel. We will train you on how to do it and provide the necessary supplies and tools. You will have to either go to the client's residence or office to collect the provided urine sample or rent a meeting room to host the session. Meeting room rental costs will be borne by us. Thereafter I will guide you on how to perform the testing hygienically and you will send us the result. We will compensate you for every test done.