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!
A partir das avaliações de 88,582, os clientes avaliam nosso MongoDB Specialists 4.9 de 5 estrelas.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!
A partir das avaliações de 88,582, os clientes avaliam nosso MongoDB Specialists 4.9 de 5 estrelas.We’re expanding the next round of services at Inboxlogy, and we’re looking for a freelance backend developer to help us build new features on top of our existing application. About Inboxlogy, Inboxlogy helps businesses grow 10X faster by setting up scalable email outreach infrastructure and providing cost-effective deliverability solutions. Our core system is already built — now we’re enhancing it with new modules and advanced functionality. What You’ll Work On You’ll be responsible for backend feature development and system enhancements, including: * Building and enhancing REST APIs using Java + Spring Boot * Designing scalable business logic and service layers * Working closely with the front-end team to support new features * Integrating with MongoD...
I’m putting together a multi-page web application built with ReactJS (NextJS framework), and I’d like a hand finishing the core functionality. The app must: • include secure user authentication (sign-up, login, protected routes) • render dynamic content pulled from a NoSQL database (MongoDB is my current pick, but I’m open to another option like Firebase) • handle multiple forms with client- and server-side validation All pages are already wireframed; your job is to implement the React/Next components, integrate the database layer, and ensure the UX remains smooth across page transitions. I’ll provide Figma mock-ups, the existing repo, and API endpoints on project start. Acceptance criteria 1. Users can register, verify, log in/out, and acc...
The game’s frontend exists but is still incomplete, so the very first task will be to review what was left, tidy up the problem areas, and take it across the finish line. From there, I need you to lead the entire server-side build in Node.js, wire it to a Mongo database, and drive the project right through to deployment and hand-over documentation. Key backend scope • User authentication and management • Real-time game state updates In addition, the system must include a rock-solid paywall with an accompanying admin portal that lets me monitor players, transactions, and server health at a glance. Everything should follow current best practices—TypeScript, Express, (or similar), automated testing, CI/CD, and cloud hosting are all welcome if they streamline the...
Company Description Authem is India's 1st real-time marketplace for limited edition sneakers, streetwear, and collectibles. Using a bid/ask system, we let buyers and sellers set real market prices, no arbitrary markups, no guesswork. Every item is thoroughly verified for authenticity before it reaches your hands, so you can trade with complete confidence. Whether you're hunting grails or moving pieces from your collection, AUTHEM gives you control, protection, and honest pricing in a market that's needed it for years. The Role We're looking for a skilled Full Stack Developer to build our marketplace platform from the ground up and own its ongoing development and maintenance. This is a unique opportunity to be the founding technical team member of an exciting startup, w...
This project is a new social networking platform that needs end-to-end development on the MERN stack. The goal is to deliver a scalable, secure web application where users can create accounts, interact in real time and consume dynamic content. Core work spans the full stack: designing MongoDB collections, building an Express/Node.js backend with REST or GraphQL endpoints, and crafting a responsive React front-end. Real-time features (chat or live updates) should leverage or a comparable solution. Clean, well-commented code in a Git repository and deployment to a staging server are essential. Deliverables: • MVP deployed to a test server with sign-up/login and editable user profiles • Documented API plus a concise README for local setup • Two weeks of post-launch...
I need a sharp-eyed Flutter / Node.js troubleshooter to pinpoint and fix an intermittent signup failure in my mobile app. The OTP step completes successfully, yet many users (on both iOS and Android) hit a wall when the form tries to create the account. No explicit error is returned to the UI, but the account never appears in the database. Here is what I can share right away: • Front end: Flutter 3.x, using MSG91 for phone-based OTP. • Back end: Node.js (Express) REST API, MongoDB. • Flow: user enters phone → receives OTP → OTP verified → form posts profile details → failure occurs after the POST. What I need from you is a fast, reproducible diagnosis, a clean code fix (whether in Dart, the REST endpoint, or both), and a short hand-off note so my te...
The goal is to craft a complete web application from the ground up, pairing a React.js front end with a Node.js back end and shipping a functional MVP within a month. I already know I want React for the client interface, so the build should follow best-practice component architecture, modern hooks, and a clean, responsive layout. On the server side, Node.js (Express preferred) will power a RESTful API, handle authentication, and connect to a persistent data store—MongoDB or PostgreSQL, whichever you feel best suits the use case. To keep expectations crystal clear, here are the concrete deliverables: • Git repo initialized with meaningful commits, README, and .env sample • React UI coded, styled, and wired to the API (state management via hooks or Redux) • Node.js...
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 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 Time. You must also be available for emergency bug...
We need a Node.js Expert from Pakistan or India we need work for Guidance and Help we need work for long term
I’m in the middle of a CROMA overhaul and the single, driving objective is to refresh existing features by squeezing every last millisecond out of them. No new bells and whistles—just a focused performance pass aimed at raw speed. Here’s the picture: React on the client side, Node.js/Express talking to a MongoDB cluster, all containerized in Docker and running on AWS ECS. I already have baseline profiling data and a staging environment waiting; once we start, you’ll get full access so you can re-profile, isolate the slow spots, and rewrite or refactor whatever is holding us back. Deliverables • A set of well-commented code changes or configuration tweaks • A before-and-after benchmark report (same test suite, same hardware) showing at least a 35 % dr...
ooking for a Developer to Build a Custom UPI-Based Earning App + Admin Panel I want to build a fully working earning app like: Reference Apps: - 789Pay → [login to view URL] - HKPay - IncoinPay - LakshmiPay This is not a basic earning app — it must work like a self-controlled UPI-based gateway for deposits and withdrawals between users, just like the apps above. Core App Features: - UPI Deposit using apps like PhonePe, Paytm, Freecharge, Mobikwik, Slice, etc. - Auto Transaction Tracking (no Razorpay or payment gateway — via app scraping or any method) - Custom Wallet: Deposit, Withdrawal, Balance - Order Auto-Matching System: One user’s withdrawal = another’s deposit - Referral Commission (1.5% to direct, 0.3% to indirect) - Admin Manual Control Option - W...
This is PHASE 2 of an already existing project. I need a full-stack Flutter application that runs smoothly on iOS, Android, and the web, allowing landlords in Cameroon (and ultimately all of Africa) to publish room listings while tenants browse, filter, and book viewings. Every booking fee will be held in an escrow wallet until the viewing is completed, so the payment flow has to be airtight and auditable. Core experience • Room listing with powerful search and filters • Secure booking tied to an escrow payment workflow • Rating and review system that lets both sides build trust Additional engagement features Push notifications must alert users to new listings, booking confirmations, and escrow releases. In-app messaging should let landlords and tenants coordinate details ...
Job Title: NestJS Backend Developer – High-Performance Car Bulk Import (ETL) The Challenge We are looking for a senior-level NestJS developer to build a robust, production-ready car data import engine for our vehicle marketplace. This isn't a simple "upload and save" task; we require a sophisticated streaming pipeline capable of processing massive datasets (CSV, XML, JSON) with minimal memory footprint and high reliability. Core Task Build a POST /imports/cars endpoint that: Automatic Format Detection: Handles multipart/form-data and identifies the file type (CSV, XML, or JSON) programmatically. Stream-Based Processing: Processes data using Node.js Streams / AsyncIterables. The application should never load the full file into RAM. Data Pipeline: Implements a clean ...
The Role We are looking for a skilled Full-Stack Developer to join our growing dev team. You will be working alongside our existing developers to build out new features, optimize performance, and scale our vehicle marketplace platform. We need someone who is comfortable jumping into a mature codebase, collaborating via Git, and contributing to a high-quality TypeScript environment. Technical Stack Frontend: (React), TypeScript. Styling: Tailwind CSS & Bootstrap (handling a hybrid UI environment). Backend: Node.js / NestJS. Database: MongoDB. Tools: Git/GitHub, Vercel, and experience with AI-assisted coding (Cursor, Lovable, etc.) is a major plus. Key Responsibilities Feature Development: Collaborate with the team to ship new frontend components and backend endpoints. Data Hand...
I have a complete Figma prototype for a new online store and now need those screens turned into a live, responsive e-commerce site. Every component in the design—headers, product cards, cart icons, micro-interactions—should be reproduced pixel-perfectly in the browser and remain consistent across desktop, tablet, and mobile. The design system is already organised, so you can focus on front-end execution and back-end integration. I’m flexible about the tech stack: Shopify, WooCommerce, or Magento are all on the table as long as the final solution is easy for a non-technical store manager to maintain. If you have a clear preference among these platforms, let me know why and how it benefits performance, SEO, and future scalability. Deliverables • Fully responsive th...
I’m building a mobile-only app that needs a real-time text chat backend dedicated to one-on-one conversations. The goal is a lightweight, low-latency server that can authenticate users, deliver messages instantly, store chat history, and scale as the user base grows—all without the overhead of group or public room logic. I’m open to proven stacks such as Node.js with WebSocket/, Go with gRPC, or an equivalent solution that plays nicely with iOS and Android clients. End-to-end encryption, push-notification hooks (FCM / APNs), and a RESTful or GraphQL API for ancillary data are highly desirable. Deliverables • Production-ready server code with clear setup instructions • Secure user authentication and encrypted message transport • Message persistence (Mo...
Projektname: Multi Adding Social Media Platform Kurzbeschreibung: Wir suchen erfahrene Entwickler/Teams für die Erstellung einer modularen, skalierbaren Social-Media-Plattform, die Content-Creator, Nutzer und Admins verbindet. Die Plattform soll multilingual, rechtlich konform und hochsicher sein. Live-Streaming wird vorbereitet, aber nicht aktiv im MVP umgesetzt. Ziele: Multi-User Social Media Plattform (User, Creator, Admin, Moderation, Compliance) Token-gestützte Monetarisierung inkl. Kauf, Bonus, Auszahlung Multi-PSP Unterstützung: Stripe, PayPal, Paysafe, Visa/Mastercard, IBAN/SEPA, Bitcoin (BTC) KI-gestützte Content-Moderation und Empfehlungen KYC / Altersverifikation (ID Upload, Selfie, Liveness Check) Frontend Widgets: Token-Kauf, Altersprüfung, DRM...
We are looking for an experienced React.js and Node.js developer (Full Time Freelancer, not an Agency or Part Time freelancer) to develop and integrate APIs for our web application. The developer will be responsible for creating secure, scalable, and well-documented APIs and connecting them with third-party services. This project involves backend API development, third-party service integration, and frontend API consumption where required. ✅ Responsibilities: Develop REST APIs using Node.js and Integrate third-party APIs / external services Connect APIs with React.js frontend Implement authentication systems (JWT, OAuth, API Keys, etc.) Handle data validation, error handling, and performance optimization Write clean and maintainable code Provide API documentation (Postman / Swagger pref...
I need a blazing-fast, fully responsive online store built with and Tailwind CSS. Use whichever backend stack—Node.js or Python—helps you move quickest, pairing it with either PostgreSQL or MongoDB for data storage. The project must deploy cleanly on Vercel (Netlify is fine too) with seamless CI/CD. Core requirements • Server-side rendering plus rich Schema Markup so products surface on Google immediately. • Image delivery through Cloudinary with automatic compression and responsive breakpoints. • Secure checkout via Razorpay or Stripe, covering the full order lifecycle—cart, payment, confirmation, refunds. • Google Analytics 4 events for product views, add-to-cart, checkout start, and purchase. • An admin panel to add and edit product...
Project Description: ENGINE (Start your proposal with this word to confirm you’ve read the technical requirements) also for those that have the option initialize a private message to get the ball rolling. We are seeking a high-level Full-Stack Engineer to finalize a premium Email Marketing & Automation platform. The UI/UX is approximately 85% built (both Light & Dark modes are complete), but we are moving on from a previous developer due to poor code quality, lack of documentation, and a lack of attention to detail. We need this production-ready in 14 to 30 days. We are looking for a "finisher" who can deliver clean, documented, and high-performance features daily. Management & Quality Standards: Vercel Staging: You must maintain a Vercel staging environment...
I'm looking to create a comprehensive anime streaming website that offers both subtitled and dubbed anime content. Key Features: - Extensive library of anime series and movies, both subtitled and dubbed. - User-friendly interface with advanced search and filter options. - High-quality streaming with minimal buffering. - User account creation with watchlists and viewing history. - Mobile-responsive design for viewing on various devices. - Secure payment gateway for subscription services. - Regular content updates and maintenance. Ideal Skills and Experience: - Proven experience in developing streaming platforms. - Strong UI/UX design skills. - Knowledge of content management systems. - Familiarity with payment integration and security protocols. - Experience in handling high traffic...
I need assistance with a MongoDB database on my Linode (Alkali) server. I'm looking to delete the data within the database. Requirements: - Access to my Linode server - Execute commands to clear the database content Ideal Skills and Experience: - Proficient in MongoDB - Experienced with Linode server management - Command over data deletion commands and database handling Please note if backups are required.
Project Overview for Developer – CleaningApp Concept I have a mobile app concept in mind and I’m looking for a talented developer to turn it into a polished, store-ready product for both iOS and Android. The app connects Clients and Cleaners with features like dynamic service requests, location-based matching, reward system, support, privacy controls, and multilingual support. I’m still refining some details, so I’m looking for someone who can guide me from idea to launch, recommending the best technical approach. What I’d like from you: Discovery call: Quick call to confirm requirements and suggest the best tech stack (React Native, Flutter, or similar). Wireframes / Prototype: Create clickable screens to lock down the user flow for both Clients and Cleaners....
We are looking for experienced React and Node.js developers based in Pakistan to join our growing team on a full-time, long-term basis. Requirements: Strong experience with React.js (hooks, state management, API integration) Solid experience with Node.js, , and REST APIs Familiarity with databases (MySQL / PostgreSQL / MongoDB) Ability to write clean, maintainable, and well-structured code Good communication skills in English Ability to work independently and as part of a team Work Schedule: 2nd Shift: 8:00 PM to 3:00 AM (Pakistan time) Remote work Compensation: PKR 100,000 to 150,000 per month, based on experience and performance Why work with us? Long-term opportunity Professional work environment Real-world SaaS projects Stable monthly income If you meet the above requ...
I’m ready to give my current React-based front-end and Node.js back-end a thorough refresh. The codebase works, but it’s showing its age in three key areas: the look and feel, several backend workflows, and overall speed. Here’s what I need done: • User interface redesign – Every screen should adopt a clean, modern, minimalist style with intuitive spacing, typography and subtle motion. Figma mock-ups or another collaborative design tool will be shared for quick iterations. • Backend functionality – A handful of API routes must be refactored for clearer logic, stronger validation and better error handling. You’ll be working in Express, connecting to our existing MongoDB instance. • Performance optimization – Front-end bundle ...
We require backend developer who can work on our Flutter app backend code to fix stripe payment gateway with our frontend developer. Can you handle Stripe backend including Connect onboarding link generation, PaymentIntent APIs, webhooks, and test/live environment support for a Flutter app? Dashboard -React-js Backend -node-js express .js and Mongo . DB Budget 600Rupees. Thank you
I want to roll out a social-style health platform where doctors and patients interact as easily as they would on Instagram, yet with the depth and privacy expected from a medical service. The heart of the product is a doctor-to-patient feed: doctors publish short text posts, reference images, or quick explainer videos, and patients can react or comment in real time. A built-in messenger extends the conversation to private chat, voice, and full video calls so remote consultations feel natural rather than bolted on. Beyond conversation, the system must handle practical care tasks. Patients need a friction-free way to request and confirm appointments, with calendar reminders firing automatically. When a session is booked, both parties should see it reflected instantly—think two-way syn...
I have a working prototype of a messaging layer that sits directly on top of Gmail. The backend (Go micro-services on GCP, MongoDB Atlas) is solid enough for now, but the React frontend needs love before I can call the product “production-ready.” Here’s where I need you to focus: - UI/UX problems • Layout and design • User interactions - Performance issues Your first task is to audit the existing React 18 codebase, isolate the pain points above, propose fixes, then implement them. I want the interface to feel native inside Gmail—clean, intuitive, and fast, with bundle size and render times kept in check. Tech context you’ll touch: React 18 with hooks and Context API, Go services served via Cloud Run, MongoDB Atlas, GitHub for version ...
Project Description: E-Commerce Mobile App (Android & iOS) Project Overview We want to build a modern E-Commerce Mobile Application for both Android and Apple iOS platforms. This app will allow customers to browse products, purchase online, and choose multiple payment options, including Online Payment and Cash on Delivery (COD). The app will also support advanced features such as subscription plans, discount coupons, and customizable offers. - Key Features & Modules - Product Listing & Shopping Add and manage products with images, pricing, and descriptions Categories and subcategories for easy navigation Product search and filters Wishlist and Add-to-Cart system ====Order & Checkout System==== Smooth checkout experience Delivery address management Order trackin...
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.
Learn how to find and work with a top-rated Google Chrome Developer for your project today!
Learn how to find and work with a skilled Geolocation Developer for your project. Tips and tricks to ensure successful collaboration.