The ultimate guide to hiring a web developer in 2021
If you want to stay competitive in 2021, you need a high quality website. Learn how to hire the best possible web developer for your business fast.
MongoDB is a document-oriented NoSQL database used for scaling and high performance. It is most useful for storing, processing and querying data in large volumes. MongoDB also offers powerful query language, easy scalability and private data access. With MongoDB, businesses gain the speed of operations and flexibility that they need. As a MongoDB specialist, your knowledge on using this database allows you to store and query complex datasets quickly, while saving both time and money costs for companies.
Here’s some projects that our expert MongoDB Specialists made real:
As you can see it's amazing to witness our specialists make businesses upgrading their back-end performance with MongoDB possible. You don’t need to take an extra risk by doing it yourself, you can save time while the experts take care of it. Hire experienced MongoDB professionals through Freelancer.com to empower your business in every way – improved performance, scalability, cost savings and more! Let us take care of giving your business the cutting edge solution using the optimal database technology – let us partner with you to propel your business forward! Post your project today on Freelancer.com to hire a MongoDB Specialist tailored to the needs of your company!
From 92,911 reviews, clients rate our MongoDB Specialists 4.9 out of 5 stars.MongoDB is a document-oriented NoSQL database used for scaling and high performance. It is most useful for storing, processing and querying data in large volumes. MongoDB also offers powerful query language, easy scalability and private data access. With MongoDB, businesses gain the speed of operations and flexibility that they need. As a MongoDB specialist, your knowledge on using this database allows you to store and query complex datasets quickly, while saving both time and money costs for companies.
Here’s some projects that our expert MongoDB Specialists made real:
As you can see it's amazing to witness our specialists make businesses upgrading their back-end performance with MongoDB possible. You don’t need to take an extra risk by doing it yourself, you can save time while the experts take care of it. Hire experienced MongoDB professionals through Freelancer.com to empower your business in every way – improved performance, scalability, cost savings and more! Let us take care of giving your business the cutting edge solution using the optimal database technology – let us partner with you to propel your business forward! Post your project today on Freelancer.com to hire a MongoDB Specialist tailored to the needs of your company!
From 92,911 reviews, clients rate our MongoDB Specialists 4.9 out of 5 stars.Role and Objective: Act as an expert Full-Stack AI Developer. Your objective is to architect an Autonomous AI Intermediary that serves as a neutral, intelligent bridge between employers and freelancers. This agent will function as a project manager, financial custodian, and quality assurance Stack Requirements:Frontend: React.js with Tailwind CSS for a modern, responsive Backend: Node.js and for the main API gateway, user authentication, and escrow : MongoDB for storing user profiles, project details, milestones, and transaction Microservice: Python and Flask. This service will handle the LLM integrations, NLP processing, and automated quality checks.Real-time Communication: for live project updates and escrow status changes.Step-by-Step Project Implementation Plan:Step 1: Intelligent...
Role and Objective: Act as an expert Full-Stack AI Developer. Your objective is to architect an Autonomous AI Intermediary that serves as a neutral, intelligent bridge between employers and freelancers. This agent will function as a project manager, financial custodian, and quality assurance Stack Requirements:Frontend: React.js with Tailwind CSS for a modern, responsive Backend: Node.js and for the main API gateway, user authentication, and escrow : MongoDB for storing user profiles, project details, milestones, and transaction Microservice: Python and Flask. This service will handle the LLM integrations, NLP processing, and automated quality checks.Real-time Communication: for live project updates and escrow status changes.Step-by-Step Project Implementation Plan:Step 1: Intelligent...
Role and Objective: Act as an expert Full-Stack AI Developer. Your objective is to architect an Autonomous AI Intermediary that serves as a neutral, intelligent bridge between employers and freelancers. This agent will function as a project manager, financial custodian, and quality assurance Stack Requirements:Frontend: React.js with Tailwind CSS for a modern, responsive Backend: Node.js and for the main API gateway, user authentication, and escrow : MongoDB for storing user profiles, project details, milestones, and transaction Microservice: Python and Flask. This service will handle the LLM integrations, NLP processing, and automated quality checks.Real-time Communication: for live project updates and escrow status changes.Step-by-Step Project Implementation Plan:Step 1: Intelligent...
Hiring: Tech Lead (MERN Stack) LocatIon: Bangalore, India Work Mode: On-Site Experience: 8+ Years We are looking for a Tech Lead (MERN)who can take technical ownership of scalable SaaS products, lead a development team, and drive innovation across AI-powered platforms. Key Responsibilities • Take complete ownership of MERN stack applications and enhance existing codebases • Architect scalable and maintainable solutions across multiple products • Lead and mentor a team of developers and enforce coding standards • Collaborate with Product and QA teams to deliver high-quality releases • Drive AI/automation integrations (LLMs, NLP, chatbots, analytics) • Manage CI/CD, performance optimization, and system scalability Required Skills • Strong hands-on expe...
Role and Objective: Act as an expert Full-Stack AI Developer. Your objective is to architect an Autonomous AI Intermediary that serves as a neutral, intelligent bridge between employers and freelancers. This agent will function as a project manager, financial custodian, and quality assurance Stack Requirements:Frontend: React.js with Tailwind CSS for a modern, responsive Backend: Node.js and for the main API gateway, user authentication, and escrow : MongoDB for storing user profiles, project details, milestones, and transaction Microservice: Python and Flask. This service will handle the LLM integrations, NLP processing, and automated quality checks.Real-time Communication: for live project updates and escrow status changes.Step-by-Step Project Implementation Plan:Step 1: Intelligent...
I need a skilled developer to deploy a web application on AWS, utilizing S3 for storage. The project includes: - Deploying an existing MongoDB database - Setting up and configuring S3 storage Additionally, I need assistance moving an AI-built app to the Apple and Google stores. Ideal Skills: - Proficiency in AWS services, especially S3 and MongoDB - Experience in deploying web applications - Familiarity with app deployment on Apple App Store and Google Play Store Please provide relevant experience in your bids.
Job Title: Technical Support Developer (React/Azure/MongoDB) – UK Hours 9am-6pm The Platform: The platform is a working MVP currently undergoing user testing. It is a careers-driven events hub featuring a built-in career coach booking system and event registration modules. The code is complete; I now require a reliable, sharp developer for ongoing maintenance, bug fixes, and feature iterations during our launch phase. The Role: This is a pay-as-you-go position (need to be on standby and happy with adhoc needs) for a developer who is exceptionally fast at learning and navigating existing codebases. You must be able to grasp the site logic quickly, fix bugs efficiently, and ensure high-quality code deployment. Key Requirements: Availability: You must be available 9am – 6pm UK...
I run a production site on a Node.js + MongoDB stack and I’m looking to smooth out several pain-points in a single sprint. Performance is my top priority. The biggest bottleneck is database-side: query times keep climbing because of missing or poorly chosen indexes. I need someone who can audit the current collections, design the right compound indexes, and refactor slow aggregation pipelines. While you’re in there, I’d like basic search functionality so visitors can quickly surface records instead of scrolling through endless lists. Alongside the back-end tuning, there are a few infrastructure and UI tasks that will set the platform up for the next phase: • SSL certificate: generate or import the cert, configure it on the server, force HTTPS, and verify no mixed-...
I'm seeking a capable web designer to create a modern corporate website that will enhance our brand's online presence. With a deadline within a month, the site should present our company professionally and distinctly while remaining user-friendly. Ideal Candidate Skills: - Proficient in HTML, CSS, and JavaScript - Experienced in responsive design for mobile and desktop - Familiar with SEO principles and best practices - Experience in building corporate websites Project Requirements: - Design a sleek, professional interface - Develop a seamless navigation structure - Integrate content that reflects our brand's vision and ethics - Implement basic SEO to improve visibility - Provide a scalable site structure for future updates Your expertise in web development will ensure o...
I'm seeking a capable web designer to create a modern corporate website that will enhance our brand's online presence. With a deadline within a month, the site should present our company professionally and distinctly while remaining user-friendly. Ideal Candidate Skills: - Proficient in HTML, CSS, and JavaScript - Experienced in responsive design for mobile and desktop - Familiar with SEO principles and best practices - Experience in building corporate websites Project Requirements: - Design a sleek, professional interface - Develop a seamless navigation structure - Integrate content that reflects our brand's vision and ethics - Implement basic SEO to improve visibility - Provide a scalable site structure for future updates Your expertise in web development will ensure o...
I am looking for a skilled Node.js developer with experience in the Telegram Bot API (Telegraf/GramJS) and Offerwall integrations to finalize and professionalize a "Rewards/Earn Crypto" bot. I already have a functional MVP (Minimum Viable Product) written in Node.js. The base logic for user management, multi-level referrals, and basic task tracking is already coded. I need a developer to take this core, migrate it to a robust database, build a web-based administration panel, and secure the system for production. 1. Current State (What is already built): User & Balance System: Separate balances for "Normal Earnings" and "Referral Commissions." Multi-Level Referral System: 5-tier progressive commission structure (5% to 15% based on referral count). i18n...
Our shopping site is already up on a React-Node-MongoDB stack; now I need an experienced developer to take it over the finish line. Your main focus will be sharpening functionality, with special attention to robust search and filtering so customers can locate products quickly and intuitively. While you’re in the codebase, I also expect you to hunt down lingering bugs, tighten performance, and give the interface a final polish so it feels modern and consistent across devices. You will be working in a familiar environment—React (hooks, context or Redux), Express API, and MongoDB Atlas—so solid experience with that trio is essential. If you can blend in UI frameworks like Material-UI or Tailwind without bloating the bundle, even better. Key deliverables • Functional...
Title: Experienced Website Maintenance Developer Needed for Job Portal Description: We are looking for a responsible and reliable website developer to handle ongoing maintenance for our job portal website. This is a maintenance-focused role, but occasional updates and improvements will be required. Requirements: Proven experience with GitHub repositories, MongoDB, Node.js, Nginx. Familiarity with Brevo (email/marketing integration). Experience hosting and managing websites on Alibaba Cloud ECS. Strong understanding of SEO optimization best practices. Ability to make updates, troubleshoot issues, and maintain website performance. Strong communication skills and a professional, dependable work ethic. Responsibilities: Regular website maintenance and updates. Monitoring website per...
I’m expanding ReviewyAI from a promising prototype into a production-ready, autonomous code review engine. The immediate focus is twofold: first, integrating GPT-3 (with the option to swap in OpenAI or Anthropic APIs later) so the reviewer delivers highly accurate suggestions; second, re-architecting the backend so the system can serve a growing number of simultaneous users without losing speed or reliability. Here’s how I picture the collaboration working: • Frontend evolution – You’ll design and refine reusable components with Tailwind CSS, ensuring the interface feels fast and intuitive on any screen size. • AI-driven analysis – Wire GPT-3 into the Node/Express layer to inspect incoming code, score potential issues, and return actionable feed...
StayNest – Travel & Hotel Booking Web Application StayNest is a full-stack travel and hotel booking web application designed to help users easily search, compare, and book accommodations online. The platform provides a seamless user experience with a responsive interface, secure authentication, and efficient booking management. The frontend of the application is developed using React.js and , ensuring fast rendering and SEO optimization. Tailwind CSS is used to create a modern, responsive, and user-friendly interface that works smoothly across all devices. The backend is built using Node.js and , which handle RESTful APIs, business logic, and server-side operations. MongoDB is used as the database to store user information, hotel listings, bookings, and transaction details. T...
Hi, I'm looking for an experienced developer to build a simple WhatsApp CRM system (MVP) targeted at small businesses in Saudi Arabia (restaurants, clinics, shops, service providers). What I need: Connect to the official WhatsApp Business API (Meta Cloud API or Twilio) A web dashboard (Arabic RTL interface) where I can: See all incoming WhatsApp messages in one inbox Reply to customers directly from the dashboard Save and manage customer contacts with tags/labels Send bulk messages to groups of customers Set up simple auto-replies (welcome message, out-of-hours, etc.) View basic reports (messages sent, read rates) Tech stack (flexible): Backend: Node.js or Python Frontend: React.js Database: PostgreSQL or MongoDB Hosting: DigitalOcean or AWS Deliverables I expect: Full working...
We have an application based on Node JS . We need some work , intergration and ongoing work for it
Project Title Senior Android + Blockchain Developer Needed to Complete Multi-Chain Crypto Wallet (NEXA BULL) with MLM Integration Project Overview We are developing a multi-chain Android crypto wallet application named "NEXA BULL". The initial Android project structure and basic functionality are already developed, but several features still require completion, optimization, and full integration. We are looking for a highly experienced Android + Blockchain developer to complete the wallet and integrate it with our MLM website backend system. The wallet should function similarly to leading crypto wallets such as SafePal Wallet, Trust Wallet, and MetaMask, supporting multiple networks, tokens, live prices, and secure wallet management. Current Project Status The Android app has alr...
I am looking for an experienced MERN Stack Developer to manage and support my clients' ongoing gaming projects. Tech Stack • Frontend: React.js • Backend: Node.js • Database: MongoDB Responsibilities • Setup and deploy new gaming projects • Maintain and update existing projects • Manage backend APIs and integrations • Handle server setup and optimization • Integrate and manage third-party APIs • Troubleshoot bugs and performance issues • Provide technical support when issues arise Additional Skills Required • Server management (Linux / Cloud servers) • API integration and debugging • Database optimization • Security and performance optimization Availability • Need reliable long-term support • Should b...
Thumblify - AI-Powered Thumbnail Generation SaaS Platform Developed a comprehensive SaaS application that leverages artificial intelligence to generate professional, high-converting thumbnails for content creators and digital marketers. The platform features a dual-mode generation system, allowing users to either create custom thumbnails from text descriptions and uploaded images or analyze and recreate improved versions of existing YouTube video thumbnails using AI enhancement technology. Built with a modern tech stack including React.js with TypeScript for a responsive, type-safe frontend and Node.js/Express for a robust RESTful API backend. Implemented secure user authentication with JWT and cookie-based sessions, integrated MongoDB for scalable data storage, and connected multiple AI i...
I need a production-ready MERN application whose central feature is AI-powered image generation. The workflow is straightforward: a user authenticates, submits a prompt, and instantly receives an image created through Stability AI. Every resulting asset is saved to Cloudinary and served worldwide over its CDN. Core stack and flow • Node.js + Express expose a clean REST API for auth, prompt submission, image retrieval, and basic content management. • MongoDB Atlas stores user data, prompts, and image metadata. • React (SPA) on Firebase Hosting consumes the API and provides a sleek UI, including prompt history and responsive galleries. • The backend runs on Render; deployments must be automated from Git. Key requirements • Integrate Stability AI endpoin...
Solar Management Dashboard Tech Stack: Frontend: , React.js Backend: Node.js, Fastify, MongoDB Infra: AWS Includes: * End User Flow * Installer Portal * Master Dashboard * Customer Dashboard * DevOps & Infrastructure Setup Third Party APIs: Google Solar API, Google Maps API Infra Cost: ~₹6,000–₹8,000/month (AWS + MongoDB Atlas) AMC: ₹6,000/month Estimated development timeline: 11–12 weeks • Product Discovery & Workflow Mapping – Review Figma designs, finalize user flows, portal structure and feature scope. • System Architecture & Database Design – Define platform architecture, API structure, database schema and user role permissions. • Frontend Development – Build reusable UI components and dashboards using React / Next.js. &b...
Project Title: AI-Powered Marketplace Security & Listing Verification System for Project Description We are building an advanced AI-powered trust and security system for , a UAE-based classified marketplace platform that allows users to post listings for cars, property, and general classifieds. We are looking for an experienced developer or AI engineer to design and implement an automated listing verification system that can detect fraud, scams, and illegal listings without human moderation. The goal is to create a multi-layer AI moderation and risk scoring system that automatically approves or rejects listings. --- Existing Tech Stack • Backend: Node.js / Express • Frontend: • Database: MongoDB • Infrastructure: VPS / Cloudflare --- Project Scope ...
Soy un inversionista privado estableciendo un equipo de tecnología de alto rendimiento en Lima. Actualmente me encuentro en la fase de adquisición de una propiedad corporativa (para establecer nuestra sede física y busco la perspectiva de desarrolladores experimentados antes de cerrar la operación. No es una tarea de programación. Es una sesión de consultoría estratégica de 60 minutos. Objetivo: Quiero entender qué valora realmente un desarrollador Middle/Senior en Lima al elegir un espacio de trabajo físico en 2026. Tu feedback influirá directamente en la ubicación y el diseño de este nuevo hub. Temas a tratar: Análisis de Ubicación: Logística, accesibilidad y prestigio de San I...
If you want to stay competitive in 2021, you need a high quality website. Learn how to hire the best possible web developer for your business fast.
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