Experienced software developer with specialization in Node.js, Express, React and MongoDB.
I have 8 years of experience working with Node.js, MongoDB, React, Git, HTML, CSS, JS, REST APIs and Hyperledger Fabric. Send me an invite and let's discuss your project today!
MongoDB
JavaScript
Node.js
NoSQL Database
ExpressJS
React
EJS
Web Development
HTML5
CSS 3
Linux
Hyperledger Fabric
LangChain
Claude
Microsoft 365 Copilot
Amar A.
Arlington, Virginia
$20/hr
5.0
3 jobs
๐ Full Stack Developer | MERN/MEAN Stack Expert | Certified Professional ๐
Are you looking for a skilled Full Stack Developer to bring your project to life? With 7+ years of experience in building scalable high-performing applications, I can guarantee to bring your vision to reality. I specialize in MERN (MongoDB, Express, React, Node.js) and MEAN (MongoDB, Express, Angular, Node.js) stacks. Iโm passionate about creating user-friendly, efficient, and maintainable solutions tailored to your needs.
โ What I Can Do For You:
๐ Back-End Development:
โข Develop and optimize RESTful APIs and GraphQL endpoints using Node.js, Express.js, and Nest.js.
โข Build robust back-end architectures with secure authentication, role-based access control, and database optimization.
๐จ Front-End Development:
โข Build dynamic, SEO-friendly web applications using React.js, Next.js, Angular, and TypeScript.
โข Design visually appealing, responsive UIs with Tailwind CSS, Material-UI, and Bootstrap.
โ๏ธ Cloud & DevOps Expertise:
โข Architect and deploy scalable solutions on AWS (EC2, S3, Lambda, API Gateway, DynamoDB, RDS).
โข Set up CI/CD pipelines with GitHub Actions, GitLab CI, and Jenkins for automated deployments.
๐ Databases & Storage:
โข Design and maintain relational databases (MySQL, PostgreSQL) and NoSQL solutions (MongoDB, DynamoDB).
โข Optimize database performance through indexing, caching (Redis), and query optimization.
๐ป JavaScript Excellence:
โข Master ES6+ features, async programming, and event-driven architectures.
โข Write modular, reusable, and scalable code for maintainable applications.
โก Real-Time Applications:
โข Build real-time features like chat apps, notifications, and live updates using WebSockets and Socket.IO.
๐ Technologies I Work With:
โข Languages & Frameworks: JavaScript (ES6+), TypeScript, Node.js, Express.js, React.js, Next.js, Angular
โข Cloud & DevOps: AWS, Docker, Kubernetes, CI/CD Pipelines
โข Databases: MongoDB, MySQL, PostgreSQL, DynamoDB, Redis
โข Tools: GitHub, Bitbucket, Jenkins, GitLab CI
โข Testing: Jest, Mocha, Cypress
๐ Why Hire Me?
โข Proven track record of delivering high-quality software on time and within budget.
โข Strong focus on scalability, security, and performance.
โข Excellent communication skills and the ability to collaborate effectively with teams and stakeholders.
๐ฌ Letโs Collaborate!
Whether you need a complete end-to-end solution or enhancements to your existing application, Iโm here to help. Letโs turn your vision into a fully functional, scalable application that drives results! ๐
MongoDB
JavaScript
Node.js
AngularJS
React
Full-Stack Development
Next.js
NestJS
TypeScript
GraphQL
REST API
Websockets
Amazon Web Services
CI/CD
MySQL
Hassan Ali K.
Edison, New Jersey
$12/hr
5.0
9 jobs
I am a Full-stack developer having more than 10+ years of experience in building websites and web applications. I have worked to build sites from scratch OR to create additional features for existing ones. I am always on the lookout for exciting projects to work on and smart people to collaborate with!
Here you can see the following services I can provide you:
๐ ๏ธ Tech Stack Mastery:
๐ Front-end::
--โ React.js
--โ Next Js
--โ Vue Js
--โ Tailwind CSS / Bootstrap
--โ HTML5
--โ CSS3
--โ SCSS/Less
๐ AI::
--โ Open AI
--โ ChatGPT
--โ GPT-3
--โ AI
๐ Back-end::
--โ PHP / Laravel / Livewire
--โ Node Js
--โ Express JS
--โ GraphQL
--โ JQuery / Javascript
๐ Database Skills::
--โ Mysql
--โ Postgresql
--โ MongoDB
๐ VCS::
--โ GIT / BitBucket / Github / Gitlab
๐ Deployment::
--โ AWS
--โ Digital Ocean
๐ Payment Gateway Integration::
--โ Stripe
--โ PayPal
--โ Google Pay
--โ Apple Pay
--โ Afterpay
--โ Tillpayments
--โ Paytm
--โ Razorpay
--โ CashFree
โช๏ธ Why I Should be best
--โ 100% client satisfaction.
--โ Attention to details and 24/7 support across.
--โ Code quality and performance review. Team leading and mentoring.
--โ Strong technical skills and business solutions provider.
--โ Always Open For new challenges and creative ideas.
--โ Strong organizational, problem-solving, and analytical thinking.
--โ Fluent in English and learn new skills very fast.
I am considering work not only as a way to make a living. but also to build a career here at Upwork. So I tend to seek a long-standing relationship rather than just a quick benefit.
Thanks for reading my profile. Looking forward to hearing back from you.c
MongoDB
Node.js
Software Development
Web Development
Web Application
React
MySQL
Desktop Application
Website
PHP
Laravel
Next.js
Docker
Firebase
SaaS Development
Farhosh E.
San Francisco, California
$40/hr
5.0
2 jobs
๐๐จ๐จ๐ค๐ข๐ง๐ ๐๐จ๐ซ ๐ ๐๐๐๐ ๐๐ญ๐๐๐ค ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ ๐ฐ๐ก๐จ ๐ฎ๐ง๐๐๐ซ๐ฌ๐ญ๐๐ง๐๐ฌ ๐ฒ๐จ๐ฎ๐ซ ๐ฉ๐ซ๐จ๐๐ฎ๐๐ญ, ๐ง๐จ๐ญ ๐ฃ๐ฎ๐ฌ๐ญ ๐ฒ๐จ๐ฎ๐ซ ๐๐จ๐๐?
Youโre in the right place.
Hi, Iโm ๐ ๐๐ซ๐ก๐จ๐ฌ๐ก, a ๐๐๐๐ ๐๐ญ๐๐๐ค ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ ๐๐ง๐ ๐ ๐ฎ๐ฅ๐ฅ ๐๐ญ๐๐๐ค ๐๐๐ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ specializing in ๐๐จ๐ง๐ ๐จ๐๐, ๐๐ฑ๐ฉ๐ซ๐๐ฌ๐ฌ.๐ฃ๐ฌ, ๐๐๐๐๐ญ.๐ฃ๐ฌ, ๐๐ง๐ ๐๐จ๐๐.๐ฃ๐ฌ to build reliable, modern, and scalable web applications.
I work with startups, agencies, and businesses to turn ideas into ๐ซ๐๐๐ฅ, ๐ฐ๐จ๐ซ๐ค๐ข๐ง๐ ๐ฉ๐ซ๐จ๐๐ฎ๐๐ญ๐ฌ. I handle both ๐๐ซ๐จ๐ง๐ญ-๐๐ง๐ ๐๐ง๐ ๐๐๐๐ค-๐๐ง๐ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐ฆ๐๐ง๐ญ, so everything in your application works smoothly together - from the user interface to the database.
I focus on ๐๐ฅ๐๐๐ง ๐๐จ๐๐, ๐๐ฅ๐๐๐ซ ๐๐จ๐ฆ๐ฆ๐ฎ๐ง๐ข๐๐๐ญ๐ข๐จ๐ง, ๐๐ง๐ ๐ฅ๐จ๐ง๐ -๐ญ๐๐ซ๐ฆ ๐ฌ๐จ๐ฅ๐ฎ๐ญ๐ข๐จ๐ง๐ฌ, not shortcuts.
๐๐ก๐๐ญ ๐ ๐๐๐ง ๐๐จ ๐๐จ๐ซ ๐๐จ๐ฎ
โ Build complete ๐๐๐๐ ๐ฌ๐ญ๐๐๐ค ๐ฐ๐๐ ๐๐ฉ๐ฉ๐ฅ๐ข๐๐๐ญ๐ข๐จ๐ง๐ฌ from scratch
โ Create clean, responsive front-end UI using ๐๐๐๐๐ญ.๐ฃ๐ฌ, ๐๐๐ฑ๐ญ.๐ฃ๐ฌ, ๐๐๐ข๐ฅ๐ฐ๐ข๐ง๐ ๐๐๐
โ Develop secure and scalable back-end systems using ๐๐จ๐๐.๐ฃ๐ฌ, ๐๐ฑ๐ฉ๐ซ๐๐ฌ๐ฌ.๐ฃ๐ฌ
โ Design and manage databases using ๐๐จ๐ง๐ ๐จ๐๐, ๐๐ฒ๐๐๐, ๐๐จ๐ฌ๐ญ๐ ๐ซ๐๐๐๐
โ Build and integrate ๐๐๐๐๐๐ฎ๐ฅ ๐๐๐๐ฌ and third-party services
โ Implement secure authentication using JWT, OAuth, and role-based access control
โ Fix bugs, improve performance, and refactor existing code
โ Deploy and manage applications using ๐๐๐, ๐๐จ๐๐ค๐๐ซ, ๐๐ง๐ ๐๐/๐๐ ๐ฉ๐ข๐ฉ๐๐ฅ๐ข๐ง๐๐ฌ
Whether itโs a ๐๐๐๐ ๐ฉ๐ฅ๐๐ญ๐๐จ๐ซ๐ฆ, ๐๐๐ฆ๐ข๐ง ๐๐๐ฌ๐ก๐๐จ๐๐ซ๐, ๐-๐๐จ๐ฆ๐ฆ๐๐ซ๐๐ ๐ฐ๐๐๐ฌ๐ข๐ญ๐, or ๐๐ฎ๐ฌ๐ญ๐จ๐ฆ ๐ฐ๐๐ ๐๐ฉ๐ฉ๐ฅ๐ข๐๐๐ญ๐ข๐จ๐ง, I build solutions that are stable, easy to maintain, and ready to grow.
๐๐ฒ ๐๐๐๐ก๐ง๐ข๐๐๐ฅ ๐๐ค๐ข๐ฅ๐ฅ๐ฌ
๐ ๐ซ๐จ๐ง๐ญ-๐๐ง๐:
โ HTML5 | CSS3 | Tailwind CSS | Bootstrap | JavaScript | TypeScript | React.js | Next.js
๐๐๐๐ค-๐๐ง๐:
โ Node.js | Express.js | RESTful API Development | API Integration
๐๐๐ญ๐๐๐๐ฌ๐๐ฌ:
โ MongoDB | Mongoose | MySQL | PostgreSQL
๐๐จ๐จ๐ฅ๐ฌ & ๐๐ฅ๐จ๐ฎ๐:
โ AWS | Docker | CI/CD | Git | GitHub | Vercel
๐๐ก๐ฒ ๐๐ฅ๐ข๐๐ง๐ญ๐ฌ ๐๐ก๐จ๐จ๐ฌ๐ ๐๐
โ Strong expertise in MERN Stack and Full Stack Web Development
โ Clean, readable, and maintainable code
โ Clear communication and regular updates
โ On-time delivery with attention to detail
โ Comfortable working independently or with teams
โ Long-term mindset, not one-time tasks
I take responsibility for my work and treat every project as if it were my own.
๐๐จ๐ฐ ๐ ๐๐จ๐ซ๐ค
I start by understanding your requirements clearly.
Then I plan the best approach, build step by step, keep you updated, and deliver a solution you can confidently use and scale.
No confusion. No unnecessary complexity. Just solid development.
๐๐๐ญโ๐ฌ ๐๐จ๐ซ๐ค ๐๐จ๐ ๐๐ญ๐ก๐๐ซ
If youโre looking for a ๐๐๐๐ ๐๐ญ๐๐๐ค ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ / ๐ ๐ฎ๐ฅ๐ฅ ๐๐ญ๐๐๐ค ๐๐๐ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐๐ซ who delivers quality work and communicates clearly, Iโd be happy to help.
๐๐๐ง๐ ๐ฆ๐ ๐ ๐ฆ๐๐ฌ๐ฌ๐๐ ๐ ๐๐ง๐ ๐ฅ๐๐ญโ๐ฌ ๐๐ข๐ฌ๐๐ฎ๐ฌ๐ฌ ๐ฒ๐จ๐ฎ๐ซ ๐ฉ๐ซ๐จ๐ฃ๐๐๐ญ.
โ ๐๐๐ฒ๐ฐ๐จ๐ซ๐๐ฌ:
MERN Stack Developer | Full Stack Developer | Full-Stack Web Developer | React.js Developer | Node.js Developer | Next.js Developer | JavaScript Developer | TypeScript Developer | MongoDB Developer | Express.js Developer | Web Application Developer | REST API Developer | Back-End Developer | Front-End Developer | SaaS Application Developer | Custom Web Application Development | Admin Dashboard Developer | E-commerce Website Developer | Tailwind CSS Developer | Responsive Web Design | Server-Side Development | Database Design & Management | Performance Optimization | Build MERN stack web applications | Full-stack React and Node.js development | Secure backend development using Node.js | MongoDB schema design and optimization | RESTful API development with Express.js | Next.js SSR / SSG website development | SaaS platform development using MERN stack | Deploy web apps on AWS and Docker | Convert Figma designs to React.js | Full-stack web app development from scratch | Scalable web application architecture | High-performance web applications | Clean code & best practices | Microservices architecture | CI/CD pipeline setup | Cloud deployment (AWS, Vercel, Render) | Authentication & Authorization (JWT, OAuth) | Secure API development | Modern web application architecture | MongoDB | MySQL | PostgreSQL | Docker | Git | GitHub | GitLab | Redux | Context API | RESTful APIs | GraphQL | TypeScript Development | SaaS Dashboard Development | Admin Panel Development | CRM System Development | E-commerce MERN Website | Booking / Reservation System | Marketplace Web Application | Real-Time Web Application | Business Automation
MongoDB
JavaScript
Node.js
MERN Stack
ExpressJS
React
Full-Stack Development
RESTful API
Front-End Development
Back-End Development
TypeScript
Tailwind CSS
Web Development
SaaS Development
Next.js
REST API
AI Agent Development
AI App Development
Abdul B.
East Islip, New York
$60/hr
4.9
177 jobs
Full stack developer with 15,000+ hours and 150+ completed jobs on Upwork. I build AI agents, SaaS platforms, and automation systems that connect your product, your data, and your workflows, so your project doesn't get stuck between separate frontend, backend, AI, and automation freelancers.
WHAT I BUILD:
AI Agents & LLM Apps
- AI agents for customer support, sales, lead qualification, internal ops, and reporting
- Chatbots and assistants using OpenAI API, Anthropic Claude, and LangChain
- RAG systems that search your documents, PDFs, and knowledge base with source-aware answers
- LLM features inside SaaS dashboards, admin panels, and internal tools
SaaS Platforms & Full-Stack Apps
- Custom SaaS, MVPs, marketplaces, admin dashboards, and customer portals
- React, Next.js, Node.js, TypeScript, Python, PostgreSQL, Supabase, Firebase, MongoDB
- Role-based access, subscriptions, payments, and production-ready architecture
Workflow Automation & API Integrations
- Business automation with n8n, Zapier, and Make
- CRM automation, lead routing, and data sync across tools
- API integrations with Stripe, CRMs, Slack, Google services, and custom systems
Business Systems & Internal Tools
- Operations dashboards, approval workflows, document processing tools
- Custom software for SaaS, healthcare, real estate, and service-based businesses
TECH STACK
React, Next.js, Node.js, TypeScript, Python, PostgreSQL, Supabase, Firebase, MongoDB, OpenAI API, Claude, LangChain, RAG, Vector Databases, n8n, Zapier, Make, Stripe, REST APIs
I'm a strong fit if you're building an AI agent, RAG system, SaaS platform, automation workflow, or a custom business system and want someone who can handle the architecture, the build, and the AI/automation layer without handing you off between multiple freelancers.
Message me with a short summary of your project, I'll review it and reply with a clear approach, timeline, and next steps.
JavaScript
Node.js
Full-Stack Development
SaaS Development
AI Implementation
AI Agent Development
Generative AI
OpenAI API
Claude
LangChain
Retrieval Augmented Generation
Chatbot Development
Automation
API Integration
n8n
Zapier
Make.com
React
Next.js
Python
John Willie D.
Fort Lauderdale, Florida
$25/hr
5.0
7 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
Node.js
MERN Stack
React Native
Web Application
Mobile App
Flutter
RESTful API
AI Chatbot
Automation
Web Design
API Integration
Web Development
Next.js
Payment Gateway Integration
WordPress
Webflow
Shopify
Wix
Full-Stack Development
Ecommerce Website
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