Hire the Best Express Js Developers
in the United States

Clients rate our Express Js developers
Rating is 4.8 out of 5.
4.8/5
Based on 173 client reviews
Christine T.

Los Angeles, California

$68/hr
4.8
136 jobs

๐Ÿ“ฃ FREE technical consultation (details below) ๐Ÿป Proud UC Berkeley graduate (Applied Mathematics & Economics) and an entrepreneurial, reliable full-stack software developer with broad expertise across modern technologies (listed below). ๐Ÿ’ช๐Ÿ’ช๐Ÿ’ช With experience as: โ€ข Full-Stack Team Lead at Camping World, a publicly traded company โ€ข Lead Technical Teaching Assistant at Hack Reactor, a leading software engineering bootcamp โ€ข Founder of Atini Studio, a high-performance software development agency With years of experience working with clients and leading engineering teams, I prioritize accountability, clear communication, and efficient execution. ๐ŸŒˆ๐ŸŒˆ๐ŸŒˆ Iโ€™m the founder of Atini Studio, a vibrant software development agency and a team I like to call software doctors: highly skilled engineers and creative UI/UX designers who diagnose, fix, and elevate digital products. โŒจ๏ธโŒจ๏ธโŒจ๏ธ What I help clients with: ๐Ÿ“Œ MVP development for startups ๐Ÿ“Œ Full-stack web applications ๐Ÿ“Œ Cross-platform mobile apps ๐Ÿ“Œ AI-powered features & integrations ๐Ÿ“Œ Clean implementation from Figma to production ๐Ÿ“Œ API integrations (Stripe, OpenAI, Google, Zoom, etc.) ๐Ÿ“Œ Performance optimization ๐Ÿ“Œ Technical architecture planning ๐Ÿ“Œ Product roadmap & scaling strategy We also leverage AI internally to accelerate development workflows and improve efficiency, so you get faster delivery without sacrificing quality. ๐Ÿงฉ Complimentary Technical Consultation Not sure how to move forward with your product? I can help you clarify: โ€ข The right tech stack โ€ข MVP scope โ€ข Timeline and budget expectations โ€ข System architecture decisions โ€ข Whether your current product is built correctly I offer a complimentary strategy session to help you create a clear and practical execution plan. ๐Ÿ’ป Tech Stack: โ€ข Front End JavaScript | TypeScript | React | Next.js | React-Native | Angular | Vue.js | Tailwind CSS โ€ข Back End Node.js | NestJS | Python | Django | PostgreSQL | MongoDB | MySQL | ORM | GraphQL โ€ข API Integrations ChatGPT / OpenAI | Stripe | Google | Zoom | and more... โ€ข DevOps Amazon Web Services (AWS) | Firebase/GCP(Google Cloud Platform) | Azure | Docker โ€ข Testing Jest | Mocha | TDD โ€ข Developer Tools Git | npm | Webpack | Babel | Agile Methodology | Nginx โ€ข Design Adobe XD | Figma

  • JavaScript
  • Node.js
  • React
  • AWS Amplify
  • CSS 3
  • RESTful API
  • React Native
  • Firebase
  • Angular
  • Amazon EC2
  • Database
  • WordPress
  • ChatGPT
  • AI Development
  • AWS Development
Muhammad A.

Lawrenceville, Georgia

$24/hr
4.7
11 jobs

Your Vision. Fully Realized. From Concept to User Delight. Stop navigating a fragmented development process. Stop compromising on user experience or technical foundation. If your web or mobile application isn't delivering a seamless journey from concept to deployment, you're missing out on true innovation. How I Engineer Digital Dominance: โž” Full Stack Architecture: Crafting comprehensive web and mobile application solutions from initial concept through to successful launch, ensuring cohesive functionality. โž” End-to-End Development: Taking ownership of both frontend (intuitive UI/UX) and backend (robust APIs, scalable databases) to deliver a perfectly integrated product. โž” Performance Optimization: Implementing fast load times and smooth interactions that keep users engaged and your application efficient. โž” Strategic UI/UX: Designing user interfaces that are not only visually appealing but also strategically guide users toward achieving your core business objectives. โž” Scalable Solutions: Building applications designed for sustainable growth, capable of handling evolving demands and increasing user traffic. Why Top Brands Choose Me: โœ”๏ธ Top-Seller & 100% JSS: Consistently delivering exceptional results validated by client satisfaction across diverse projects. โœ”๏ธ 30+ Projects Delivered: Proven track record developing and deploying complete web and mobile applications globally. โœ”๏ธ 5+ Years Expertise: Deep command over various modern web and mobile development technologies and best practices. โœ”๏ธ Outcome-Driven: Focused on driving real user engagement, efficiency, and measurable business growth through integrated solutions. Are We a Good Fit? โœ… You need a complete web or mobile application built from the ground up. โœ… Your leadership demands a unified digital solution that performs flawlessly. โœ… You're ready to invest in a high-quality product that scales with your ambition. โœ… You value a single, skilled partner for your entire application development lifecycle. Let's Build the Future of Your Business. Click "Message" now. Full Stack Developer, Web Application Development, Mobile App Development, Frontend Development, Backend Development, UI/UX Design, JavaScript, Node.js, React.js, Angular, Vue.js, MongoDB, SQL, REST APIs, GraphQL, Responsive Design, Performance Optimization, Agile Development, Cross-Browser Compatibility, Redux, Context API, Git, Figma, Web Accessibility, Component-Based Architecture, Single Page Applications, State Management, Code Splitting, Lazy Loading, SEO Optimization, Testing, Unit Testing, Integration Testing, CI/CD, Version Control, Code Review, Scrum, Kanban, Wireframing, Prototyping, User Testing, API Integration, JSON, AJAX, Cloud Services, Deployment, Security Best Practices

  • ExpressJS
  • Full-Stack Development
  • React
  • AI Chatbot
  • TypeScript
  • API Development
  • Web Application
  • Mobile App Development
  • Node.js
  • Next.js
  • PostgreSQL
  • Database Management System
  • Angular
  • MERN Stack
  • Software Development
Mehreen A.

Oakland Gardens, New York

$20/hr
5.0
1 jobs

I build clean, production React and Next.js apps โ€” full stack, from Figma to deploy, and I don't disappear mid-project. Full Stack Developer with 4+ years across agencies and in-house teams, currently expanding into AI-integrated features. I build for real delivery, not just polished demos. ๐Ÿ”ต 4+ years professional frontend & full-stack experience ๐Ÿ”ต 5 completed certifications, including Meta and Google ๐Ÿ”ต Worked across 3 companies โ€” from WordPress agencies to full-stack SaaS teams ๐Ÿ”ต Actively building AI integration skills on top of a solid full-stack foundation โšก Core: Frontend & Full Stack โ€ข React, Next.js, Vue.js, TypeScript, JavaScript (ES6+) โ€ข Node.js, Express.js, REST APIs โ€ข MongoDB, PostgreSQL, Supabase, Firebase โ€ข Tailwind CSS, Redux Toolkit, responsive UI โ€ข Figma-to-React, pixel-perfect implementation โ€ข SaaS dashboards, admin panels, multi-role platforms โšก Growing into: AI Integration โ€ข OpenAI API, Claude API โ€” function calling, tool use โ€ข Completed Google Cloud's Generative AI Learning Path โ€ข Completed Microsoft/LinkedIn's Career Essentials in Generative AI ๐Ÿ› ๏ธ Where I've worked โ€ข UI/UX & Full-Stack Developer, Nexa Creative Solutions โ€” modern web apps, Figma to React โ€ข WordPress Developer, Digital Vertex Agency โ€” custom themes, plugins, performance โ€ข Front-End Developer, BrightPixel Studio โ€” responsive builds, landing pages, UI implementation ๐Ÿš€ Projects I've built โ€ข Movix โ€” fleet transporter management & logistics SaaS โ€ข Luna Fleet โ€” fleet management & GPS tracking platform โ€ข EstateSync โ€” real estate investment SaaS platform ๐Ÿ’ก Why work with me โ€ข Scope-first: I understand the goal and data before touching architecture โ€ข Clear communication, steady weekly progress, no surprises โ€ข Comfortable owning a frontend end-to-end, or stepping into an existing codebase โ€ข Background spanning full-stack, UI/UX, and WordPress โ€” flexible to what the job actually needs Tell me what you're building and I'll give you a straight, honest answer on how I'd approach it.

  • JavaScript
  • Node.js
  • Vue.js
  • React
  • SQL
  • TypeScript
  • OpenAI API
  • ChatGPT API Integration
  • AI Model Integration
  • Chatbot
  • Artificial Intelligence
  • SaaS Development
  • HTML5
  • API Integration
  • Web Development
  • Full-Stack Development
  • Software Design
  • Responsive Design
  • MongoDB
John Willie D.

Fort Lauderdale, Florida

$25/hr
5.0
6 jobs

I'm a Full Stack Developer with extensive experience building web applications, SaaS platforms, eCommerce stores, business automation systems, APIs, and mobile applications for startups, agencies, and growing businesses. Over the years, I have worked with companies across multiple industries, helping them launch new products, improve existing platforms, automate workflows, integrate third-party services, and scale their digital presence. Whether you need a complete application built from scratch, additional functionality added to an existing platform, or a technical partner who can guide your project from concept to launch, I can help. I enjoy working on projects where technology solves real business problems. From custom dashboards and SaaS products to WordPress websites and Shopify stores, I bring both technical expertise and practical problem-solving to every project. What I Can Help You Build: Custom web applications designed for scalability, performance, and long-term growth. React.js / Next.js / Node.js / Express.js MongoDB / MySQL / PostgreSQL REST API Development Authentication Systems Admin Dashboards / Business Portals CRM / ERP Systems Custom Software Solutions I help founders and businesses build SaaS products from idea to production. Multi-tenant SaaS Platforms Subscription Systems Stripe Integrations User Management Systems Analytics Dashboards Workflow Automation Customer Portals Custom Business Logic MVP Development Modern businesses rely on software integrations, and I have extensive experience connecting systems together. Third Party API Integrations Custom API Development QuickBooks / Stripe / Payment Gateway Integrations CRM Integrations Webhook Development Data Synchronization Backend Services Cross-platform mobile applications that deliver a seamless user experience. React Native Flutter iOS Applications Android Applications Firebase Push Notifications API Integrations Business Apps Customer-Facing Apps AI-powered applications and automation that bring intelligence to your workflows. Custom AI Chatbots (OpenAI, Claude, Gemini) LLM Integration and Prompt Engineering AI Agent Development Workflow Automation with n8n, Make, or custom solutions Voice AI and Voice Assistant Integration AI-Powered Customer Support and Lead Qualification Document Processing and Summarization AI Content Generation and Categorization Smart Form Fill and Data Extraction Automated Email and Messaging Campaigns Powered by AI Why Clients Enjoy Working With Me: Clear and professional communication Reliable project delivery Strong attention to detail Ability to understand business requirements quickly Clean and maintainable code Problem-solving mindset Long-term partnership approach Fast response times Transparent development process Commitment to quality and performance I understand that hiring a developer is about more than technical skills. Clients want someone they can trust, someone who communicates clearly, takes ownership of the work, and consistently delivers results. That's exactly what I strive to provide on every project. Let's discuss your project and explore the best solution for your business. Keywords Full Stack Developer, Full Stack Development, MERN Stack Developer, MERN Developer, React Developer, React.js Developer, Next.js Developer, Node.js Developer, Express.js Developer, JavaScript Developer, TypeScript Developer, SaaS Developer, SaaS Development, Web Application Development, Custom Software Development, API Development, REST API Development, API Integration, QuickBooks Integration, Stripe Integration, Dashboard Development, CRM Development, ERP Development, Business Automation, Mobile App Developer, React Native Developer, Flutter Developer, Firebase Developer, MongoDB Developer, PostgreSQL Developer, MySQL Developer, Custom Web Applications, Startup Development, MVP Development, eCommerce Development, Full Stack Engineer, Software Engineer, Frontend Developer, Backend Developer, Website Development, Web Development, SaaS Applications, Custom Business Software, AI Chatbot Development, AI Agent Development, AI Automation, n8n Workflow Automation, OpenAI Integration, Claude API Integration, LLM Integration, Voice AI Integration, Conversational AI, Workflow Automation Developer, AI-Powered Automation, Intelligent Document Processing, Smart Data Extraction, AI Lead Qualification, Automated Workflows

  • MERN Stack
  • React Native
  • Web Application
  • Mobile App
  • Flutter
  • RESTful API
  • Node.js
  • AI Chatbot
  • Automation
  • Web Design
  • API Integration
  • Web Development
  • Next.js
  • Payment Gateway Integration
  • WordPress
  • Webflow
  • Shopify
  • Wix
  • Full-Stack Development
  • Ecommerce Website
Ali A.

Bristol, Connecticut

$20/hr
5.0
1 jobs

Building a product is hard. Finding a reliable full-stack developer who can actually deliver scalable results is even harder. I help startups and growing businesses build modern web applications, SaaS platforms, and AI-powered products using React, Next.js, Node.js, and Python (FastAPI). With 6+ years of experience in full-stack development, Iโ€™ve built and scaled applications using React / Next.js for frontend and Node.js, NestJS, and FastAPI for backend systems. I also specialize in AI and LLM integrations, helping products become smarter with automation, chatbots, and intelligent workflows. What I can help you with: - Full-stack web development (React, Next.js, Node.js) - SaaS application & MVP development - Backend APIs (Node.js, NestJS, FastAPI) - AI/LLM integrations (OpenAI, automation, chatbots) - Scalable architecture & system design Why clients work with me: - Strong experience in React, Next.js, and Node.js development - Clean, scalable, and maintainable full-stack code - Clear communication and reliable delivery - Focus on long-term product success, not quick fixes I donโ€™t just work as a full-stack developer, I think like a product engineer, helping you make better technical decisions and avoid costly mistakes. Whether you need a React / Next.js application, a Node.js backend, or an AI-powered feature using LLMs, I can help you build it the right way. Letโ€™s discuss your project.

  • ExpressJS
  • JavaScript
  • Full-Stack Development
  • TypeScript
  • React
  • Next.js
  • Node.js
  • NestJS
  • API Development
  • SaaS Development
  • Artificial Intelligence
  • ChatGPT API Integration
  • FastAPI
  • MongoDB
  • PostgreSQL
Oral G.

Butte City, California

$20/hr
5.0
2 jobs

๐Ÿš€ ๐ˆ๐๐•๐ˆ๐“๐„ ๐“๐Ž ๐ˆ๐๐“๐„๐‘๐•๐ˆ๐„๐– ๐…๐Ž๐‘ ๐€ ๐๐”๐ˆ๐‚๐Š ๐‚๐Ž๐๐’๐”๐‹๐“๐€๐“๐ˆ๐Ž๐ ๐Ÿ’ผ Delivered 100+ ๐…๐ฎ๐ฅ๐ฅ-๐’๐ญ๐š๐œ๐ค ๐ฐ๐ž๐› ๐š๐ฉ๐ฉ๐ฅ๐ข๐œ๐š๐ญ๐ข๐จ๐ง๐ฌ and ๐Œ๐•๐ ๐’๐š๐š๐’-๐Ÿ๐จ๐œ๐ฎ๐ฌ๐ž๐ ๐ฉ๐ซ๐จ๐ฃ๐ž๐œ๐ญ๐ฌ that helped startups and businesses generate $100k+ in revenue while reducing development time and saving founders dozens of hours through scalable, production-ready systems โญ๏ธ ๐๐ซ๐จ๐ฏ๐ž๐ง ๐‘๐ž๐ฌ๐ฎ๐ฅ๐ญ๐ฌ & ๐ˆ๐ฆ๐ฉ๐š๐œ๐ญ โ€ข Built and launched SaaS MVPs and Full-stack web applications used by real users โ€ข Helped founders move from idea โ†’ MVP โ†’ production faster with clean, scalable architecture โ€ข Helped startups launch MVPs faster with production-ready UI systems โ€ข Improved application performance, reliability, and user experience โ€ข Delivered systems that support real business workflows, users, and growth ๐Ÿ’ก Iโ€™m not just a developer; I help businesses turn ideas into working full-stack web applications and SaaS products that can launch fast, scale efficiently, generate real value, and compete in real markets. ๐Ÿ‘จโ€๐Ÿ’ป ๐€๐๐Ž๐”๐“ I specialize in full-stack development and SaaS MVP development, helping startups and founders build scalable web applications from scratch. ๐Œ๐ฒ ๐Ÿ๐จ๐œ๐ฎ๐ฌ ๐ข๐ฌ ๐จ๐ง: โ€ข Building SaaS MVPs fast without sacrificing quality โ€ข Building Full-stack Web applications fast without sacrificing quality โ€ข Fixing and improving broken Full-stack Web applications โ€ข Turning early-stage ideas into production-ready SaaS products I work closely with founders, teams, and designers to transform ideas into clean, maintainable full-stack applications, ensuring your product is not just built, but built to scale and last. โšก ๐…๐ซ๐จ๐ฆ ๐ข๐๐ž๐š ๐ญ๐จ ๐ž๐ฑ๐ž๐œ๐ฎ๐ญ๐ข๐จ๐ง: Idea โ†’ MVP โ†’ Production โ†’ Scale ๐Ÿ›  ๐–๐‡๐€๐“ ๐ˆ ๐๐”๐ˆ๐‹๐ƒ โ€ข SaaS platforms and MVPs โ€ข Full-stack web applications and tools โ€ข Dashboards, admin panels, and internal systems โ€ข Subscription-based platforms (Stripe billing systems) โ€ข API-driven web applications and integrations โ€ข Startup products from concept to launch โš™๏ธ ๐‚๐Ž๐‘๐„ ๐’๐“๐€๐‚๐Š ๐ŸŽจ ๐…๐ซ๐จ๐ง๐ญ๐ž๐ง๐: React, Next.js, JavaScript, TypeScript, HTML, CSS, Tailwind CSS, Material UI, Framer Motion, GSAP. ๐Ÿง  ๐๐š๐œ๐ค๐ž๐ง๐: Node.js, Express, Nest.js, REST APIs, GraphQL, Convex, API Architecture. ๐Ÿ“ฑ ๐ƒ๐š๐ญ๐š๐›๐š๐ฌ๐ž: PostgreSQL, MongoDB, Supabase, Firebase. โ˜๏ธ ๐ƒ๐ž๐ฉ๐ฅ๐จ๐ฒ๐ฆ๐ž๐ง๐ญ: Vercel, Netlify, Render, AWS, DigitalOcean, Cloudflare ๐Ÿ”— ๐ˆ๐ง๐ญ๐ž๐ ๐ซ๐š๐ญ๐ข๐จ๐ง๐ฌ: Stripe, PayPal, OpenAI, Figma to React ๐Ÿ† ๐‘๐„๐‚๐„๐๐“ ๐‘๐„๐’๐”๐‹๐“๐’ โ€ข Built SaaS MVPs used by startups and growing businesses โ€ข Helped founders launch products faster with scalable architecture โ€ข Delivered production-ready full-stack applications with clean, efficient code โ€ข Improved full-stack web application's performance, structure, and long-term maintainability ๐Ÿš€ ๐’๐„๐‘๐•๐ˆ๐‚๐„๐’ โ€ข SaaS MVP development (end-to-end) โ€ข Full-stack web application development โ€ข API development and third-party integrations โ€ข Fixing and improving existing SaaS or Full-stack web applications ๐Ÿค ๐–๐‡๐˜ ๐‚๐‹๐ˆ๐„๐๐“๐’ ๐–๐Ž๐‘๐Š ๐–๐ˆ๐“๐‡ ๐Œ๐„ โ€ข Product-focused mindset (I think beyond just code) โ€ข Clean, scalable, production-ready architecture โ€ข Strong understanding of SaaS systems and MVP development โ€ข Clear communication and reliable delivery โ€ข Ability to take projects from idea to launch and beyond I donโ€™t just build features or web applications; I help you build a product that works, scales, and grows. ๐Ÿ“ฉ ๐‹๐„๐“'๐’ ๐๐”๐ˆ๐‹๐ƒ ๐˜๐Ž๐”๐‘ ๐๐‘๐Ž๐‰๐„๐‚๐“ If you need a developer to build your SaaS MVP or full-stack web application or launch your product, click "Invite to Job" and letโ€™s get started. ๐Ÿ”‘ ๐Š๐„๐˜๐–๐Ž๐‘๐ƒ๐’ Full-stack developer, SaaS, MVP, Web application, Website development, Web app development, SaaS development, MVP development, SaaS MVP, SaaS developer, Build website, Custom website, Full stack website, Startup MVP, Build SaaS product, Launch MVP, Web platform, Business website, Web application development, AI development, JavaScript, Typescript, TML5, React, Node.js, API, API Interation, Supabase, MongoDB, Typescript, CSS, HTML, PostgreSQL programming, Web Development, Nestjs, Vercel, Github, Full-Stack development, Payment Gateway Integration, Tailwind CSS, SaaS Software developer, Backend developer, Frontend developer, Web developer, Full stack, React developer, Node.js developer, MERN stack developer, Laravel developer, JavaScript, TypeScript, React, React JS, Next.js, Node.js, API, API integration, API development, Database development, MongoDB, PostgreSQL, Supabase, Database architecture, Database development, Cloud deployment, Vercel, GitHub, Stripe integration, Payment gateway integration, SaaS web app, SaaS dashboard, Subscription system, User authentication, Role-based access, Fix web app, Deploy web app, Rebuild website, Responsive website, Scalable web app, High-performance web app, Dashboard development, Admin panel, Full Stack Developer, SaaS Developer, SaaS MVP, MVP Development, Web Application

  • ExpressJS
  • JavaScript
  • Full-Stack Development
  • SaaS Development
  • Web Development
  • Web Application Development
  • API Integration
  • React
  • Next.js
  • NestJS
  • Node.js
  • TypeScript
  • Database Development
  • Front-End Development
  • Back-End Development
  • Payment Gateway Integration
  • Tailwind CSS
  • REST API
  • API
  • MongoDB

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