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.
NoSQL Couch & Mongo is a database system and a technology that is particularly useful when developers need scalability and high performance. It varies from traditional database, which follow a schema first approach, allowing all data types and unstructured/structured documents to be stored without any problems. NoSQL Couch & Mongo developers are skilled professionals who specialize in understanding this database system and developing applications for their clients with maximum efficiency and accuracy.
Here's some projects that our expert NoSQL Couch & Mongo Developer made real:
NoSQL Couch & Mongo databases allow the flexibility to fit almost any application needs of a client, from frontend to backend development. Our expert NoSQL Couch & Mongo Developers relish in the challenge of creating great projects for our clients. So why not hire one for yourself? Post in Freelancer.com your project requirements – assign an expert in the field, discuss expectations, review bids, submit your project for completion – then sit back and let our NoSQL Couch & Mongo Developers make your project come true!
From 62,738 reviews, clients rate our NoSQL Couch & Mongo Developers 4.9 out of 5 stars.NoSQL Couch & Mongo is a database system and a technology that is particularly useful when developers need scalability and high performance. It varies from traditional database, which follow a schema first approach, allowing all data types and unstructured/structured documents to be stored without any problems. NoSQL Couch & Mongo developers are skilled professionals who specialize in understanding this database system and developing applications for their clients with maximum efficiency and accuracy.
Here's some projects that our expert NoSQL Couch & Mongo Developer made real:
NoSQL Couch & Mongo databases allow the flexibility to fit almost any application needs of a client, from frontend to backend development. Our expert NoSQL Couch & Mongo Developers relish in the challenge of creating great projects for our clients. So why not hire one for yourself? Post in Freelancer.com your project requirements – assign an expert in the field, discuss expectations, review bids, submit your project for completion – then sit back and let our NoSQL Couch & Mongo Developers make your project come true!
From 62,738 reviews, clients rate our NoSQL Couch & Mongo Developers 4.9 out of 5 stars.I am starting a new web platform from scratch and need one senior professional to both craft the codebase and steer a small distributed team. This role blends hands-on development with day-to-day technical leadership: you will define architecture, assign tasks, review pull-requests, and keep quality and deadlines on track through to launch. While I have not locked down a particular stack, I welcome your recommendation of modern, maintainable tools—whether that points us toward React, Vue, Angular, Node, Python, or another framework that you can justify for scalability and long-term support. CI/CD, Git workflows, automated testing, and clear documentation must all be part of the process. Core deliverables • High-level architecture and sprint plan • First production-ready...
I have a zipped, production-ready KYC web app: a React (Vite) frontend and a Node.js/Express API. All code is finished and the environment variables for Twilio, Brevo and Anthropic are already referenced in the codebase—I will provide the actual keys. Here’s what I need done, ideally within the next couple of hours: • Frontend live on Vercel • Backend running on Railway • Environment keys entered in each platform’s dashboard • Confirmation that the public URL loads, the API responds and the whole KYC flow works end-to-end I don’t yet have Vercel or Railway accounts, so please be ready to create new ones (or deploy from your own and transfer ownership afterward). Once everything is up, send me the deployed URLs plus a quick proof—sc...
Hiring: React Developer Looking for an experienced React developer to continue work inside an existing production codebase. Stack: * React * GitHub * Render * Node.js * API integrations Tasks: * Update frontend components/pages * Fix routing/state/rendering issues * Connect frontend to backend APIs * Improve dashboard functionality * Debug/test features * Work inside existing GitHub structure Requirements: * Strong React experience * Git/GitHub experience * Experience working on existing projects/codebases * Strong debugging skills * Fast and detail-oriented * Clean modern frontend understanding Not looking for beginners. Need someone reliable who can move quickly and work cleanly inside an existing system.
I’m looking for a reliable backend partner who can stay with us long-term as we scale our cloud-based logistics platform. We are firmly committed to a Node.js stack and run an SQL database layer, so deep hands-on experience with modern Node.js frameworks and relational databases is essential. Core work ahead • Design and build new microservices (REST/GraphQL) that handle shipment tracking, carrier integrations, billing and user management. • Optimise existing Node.js services for performance, security and high availability. • Extend our SQL schema, write efficient queries and create migration scripts. • Set up and maintain CI/CD pipelines, automated testing and containerised deployments (Docker, Kubernetes or similar). • Produce clear technical docum...
I’m building an AI-driven personal-assistant chatbot that runs on a Node.js + Express backend with MongoDB for persistence and Groq’s API for the language layer. The goal is to give users a fast, intelligent helper that works seamlessly on both web and mobile screens. Scope of work • Architect or refine the RESTful endpoints that receive user questions, forward them to Groq, and stream answers back in real time. • Create (or polish) a responsive web interface and a companion mobile experience so the conversation feels native on any device. • Persist every message, plus metadata needed for analytics, inside MongoDB and expose a history endpoint that can be filtered by user and date. • Build two key features into the assistant itself: – Task...
Car and furniture marketplace To be developed and designed at the following : I already have the full page layouts in for the front-end, with a Node.js + API layer running on the back end. The goal is to turn this scaffold into a production-ready furniture and car marketplace where users can add their listings to sell their inventory. The current website should have a basic capacoty of upto 2500 listings. Scope of work • Account system: build secure sign-up / sign-in flows and editable profiles, mapped to three distinct roles—Admin, Seller and Buyer. • Payments: connect a mainstream gateway (Stripe, PayPal or similar) so buyers can pay sellers directly, with order records returned to the API. • Search & filters: implement fast, server-side searchable listi...
I need my billing platform moved to a fresh VPS without downtime. The current service is running a front-end with a MongoDB database; however, I do not yet have a dump of the database. Your first task is to connect by SSH to the live server, create a clean MongoDB backup, and verify its integrity. Once the backup is safe, you will provision the new VPS, install the required stack (Node, , MongoDB, Nginx or an equivalent reverse proxy, PM2 for process management), and restore the data so the application behaves exactly as it does now. Environment variables and secrets must stay private; I will provide them over an encrypted channel. Deliverables • Verified MongoDB backup from the old server • Deployed production build running behind a proxy on the new VPS • Rest...
Project: Vitro AV — SaaS Web App for AV Dealers (React + Supabase) We are building Vitro AV, a browser-based SaaS quoting platform for AV dealers and home theatre integrators in India. The core logic is already built and validated in Excel (722 products, 3,500+ recommendation scenarios). We need a developer to convert this into a production web application. What needs to be built: User auth with multi-tenant dealer accounts (Supabase Auth) Room Wizard — step-by-step AV system configurator that auto-generates a bill of materials from 3,500+ pre-built scenarios Quote Builder — editable line items with model search, discount %, MRP auto-fill, totals Branded PDF quote export (dealer logo, client details, itemised quote) Quote save/history and basic customer records Admin pa...
I have an existing Windows desktop application (built in Visual Studio). The app is fully functional and serves as a fitness application. I am looking for an experienced full-stack developer (or team) to analyze the existing app and build a modern web-based version with similar functionality and improved UX/UI. Scope of Work: Review and understand the existing Windows application (source code provided) Run, test, and document current functionality Rebuild the application as a web app Improve UI/UX where appropriate Ensure scalability and performance Preferred Tech Stack: Frontend: React / (preferred) OR Flutter / React Native (if proposing cross-platform approach) Backend: Node.js + Express REST or GraphQL APIs Firebase (optional) CMS / Content: Headless CMS (Strapi, Sanity, or si...
What You’ll Do Design and build scalable backend services for a SaaS platform Develop secure, high-performance RESTful APIs Implement multi-tenant architecture with proper data isolation Design and optimize PostgreSQL schemas, queries, and indexes Implement authentication and authorization (JWT, OAuth, RBAC) Integrate third-party services (payments, notifications, storage, etc.) Ensure performance, security, and reliability in production Contribute to backend architecture, standards, and best practices Must-Have Requirements 3+ years of backend experience on real SaaS products Strong proficiency in Node.js (preferred) or equivalent backend stack Experience designing and implementing multi-tenant systems Strong knowledge of PostgreSQL or equivalent DB Experience building secure produ...
I’m putting together a full-stack web project and need a developer who can own both the visuals and the engine under the hood, with a clear emphasis on the backend. Clean, well-structured Node.js code that keeps data flowing securely and reliably is my main priority, but I also expect a polished, modern interface and supporting graphics that feel cohesive with the brand. Here’s what I need the backend to deliver: • Robust database management – schema design, migrations, and efficient queries. • Solid API integration so the app can consume and expose REST/JSON endpoints smoothly. • Secure user authentication with session handling, password hashing, and role-based access. On the frontend side, I’ll provide basic wireframes and brand guidelines; yo...
I am putting together a single, integrated digital platform for our oilfield services, engineering, and modular systems teams, and the heart of the project is better data management. The main value I need you to unlock is robust analytics and reporting: transforming the flood of data we collect each day into clear, decision-ready insight for everyone from field supervisors to senior engineers. Data will arrive from three directions at once—live sensor feeds on the equipment, structured or ad-hoc entries keyed in by field personnel, and historic or regulatory data we pull from external databases. Your job is to stitch those sources together, clean and store them efficiently, and then surface the results through intuitive dashboards, scheduled reports, and API endpoints our other tool...
Hi, I need a developer to deploy and finalize a Trading Portfolio Management Web App. IMPORTANT SYSTEM RULE: This is a fully admin-controlled system. * Admin creates all clients, accounts, passwords * Clients only login and VIEW data (no editing allowed) PROJECT STRUCTURE: * Frontend: React (dashboard UI ready) * Backend: Node.js + Express * Database: MongoDB YOUR TASK: 1. Set up MongoDB Atlas database 2. Deploy backend on Render (or similar) 3. Deploy frontend on Vercel 4. Connect frontend with backend APIs 5. Create first ADMIN user (manual or script) 6. Ensure role-based login: * Admin → full control panel * Client → view-only dashboard 7. Fix any bugs if system not working properly 8. Make UI responsive and clean (based on given design) 9. Add basic security: ...
Hello Backend developer, we are running app of Flutter where we need work suport from backend developer who expert on Dashboard -React-js Backend -node-js express .js and Mongo . DB . We have few tasks which need to do quickly. We have Flutter app source code where we need to fix some issues which missed by last developer. you must be good on backend so you can communicate with our frontend developer Fluuter expert to work with ... 1. Our app is based on business like where user get learning services by artist musician by booking process lessions and artist teach users via zoom meeting process one on one and more then one users too ... and get paid. In that payment gateway we use stripe where payment split like...when user pay to artist....we also get our 10% commission on each p...
I’m building a new web application and have already settled on the core stack: Angular on the front-end, Node.js on the back-end. What I need now is a developer who can move comfortably between the two, translating product requirements into clean, maintainable code and getting a first working version online quickly. The scope covers everything from setting up the Angular workspace and routing, to designing RESTful endpoints in Node.js, wiring them to a database, and making sure the two layers speak to each other securely (JWT or similar). A responsive UI, cross-browser compatibility, and clear code comments are must-haves, as this app will serve both desktop and mobile browsers. Deliverables • Angular front-end with modular components, services, and state management •...
AI Full-Stack Software Engineers (Node.js, Python, .NET, Go, GenAI, Frontend) for Upcoming Projects of U.S. teams ## Project Description: We are looking to collaborate with experienced software engineers for ongoing and upcoming development projects across backend, frontend, and AI-driven systems. This is a legitimate contract opportunity focused on building real-world applications, including data platforms, APIs, web applications, and AI-enabled features. The work may include designing and developing backend services, building scalable APIs, implementing modern frontend interfaces, and contributing to AI/GenAI-powered workflows such as retrieval-based systems or automation tools. Projects vary in scope and may involve both short-term tasks and longer-term collaboration depending on per...
I’d like to commission a straightforward, browser-based application whose primary purpose is real-time chat. Web development is the only focus—no mobile or desktop build is needed right now. The chat must update instantly for all connected users, so please leverage WebSockets, , or an equally responsive alternative rather than long-polling tricks. I expect a clean, modern stack (Node.js, Express or Fastify, React/Vue/Svelte or similar on the client, plus a lightweight database such as MongoDB, Postgres, or Redis for message persistence). You’re welcome to suggest the exact tools you are most productive with; I’m open as long as they are widely supported and easy for another developer to maintain later. Deliverables • Full source code in a Git repository &...
We are building a SaaS logistics platform. Current status: - Frontend dashboard is already built - UX and system flow are fully defined - MongoDB database is already created - We also have an app integrated with Salla We are looking for an experienced BACKEND DEVELOPER (Freelancer only) to complete the backend logic and connect all parts together. Scope: - Build and structure backend logic - Create and connect REST APIs - Integrate with existing MongoDB database - Connect frontend dashboard with backend - Multi-tenant system (each client has its own subdomain) - Order management & shipment tracking - Integration with Salla APIs - Authentication & roles system Tech preferred: - Node.js (NestJS preferred) or similar backend frameworks - Experience with MongoDB - Experience with S...
Somos uma empresa do setor dos serviços a empresas, que fornece diversos serviços com recurso a plataformas informáticas. Pretendemos recorrer, em regime de freelancer, a programadores/as que dominem Node Angularjs e Angular 2+, Mongodb, C#. Os requisitos do desenvolvimento informático pretendido para cada uma das aplicações será devidamente especificado, caso a caso, para permitir a orçamentação e a definição dos prazos de entrega com amplo conhecimento dos objetivos a concretizar.
# Proyecto: Despliegue y configuración de PrismDB **Plataforma SaaS de Prospección y Ventas para Colombia** --- ## Descripción del proyecto PrismDB es una plataforma SaaS con dos módulos integrados: - **Prospección**: Encuentra clientes nuevos en Colombia y los contacta automáticamente por WhatsApp - **Ventas**: Gestiona y automatiza las ventas a clientes activos vía WhatsApp El código está 100% desarrollado y listo. Solo necesito a alguien que lo despliegue y conecte los servicios. No es un proyecto de desarrollo — es un proyecto de DevOps y configuración. --- ## Lo que está listo (no hay que construir nada) ✅ Código completo del backend (Node.js + Express + BullMQ) ✅ Código completo de...
Je souhaite créer une application e-commerce performante bâtie sur React pour le front-end et Node.js pour le back-end. Objectif : proposer une expérience professionnelle et épurée, rapide à charger, facile à faire évoluer. Fonctionnalités clés attendues • Catalogue produits complet avec interface d’administration (ajout, modification, suppression, organisation par catégories). • Panier d’achat dynamique : ajout, suppression, mise à jour des quantités, calcul automatique des totaux. • Interface utilisateur responsive, design clair et sobre, cohérent sur desktop comme mobile. • Architecture scalable et code bien structuré pour faciliter l’a...
Estoy dando forma al primer MVP de un marketplace B2B enfocado exclusivamente a la compraventa de productos digitales bajo la firma NEOLINK HUB S.L. Busco un partner tecnológico capaz de entregar una versión funcional, estable y bien estructurada sobre arquitectura SaaS, que podamos escalar con rapidez cuando el modelo se valide. Alcance inmediato • Registro y gestión de usuarios segmentados (al menos dos roles diferenciados). • Publicación de oportunidades con moderación automática: el sistema deberá validar y publicar sin intervención humana, aplicando las reglas que definamos. • Panel básico para que cada usuario pueda ver, editar o retirar sus oportunidades. Deseables a corto plazo (no obligatorios ...
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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