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You will get an expert java spring spring boot developer
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Looking for an expert to develop a robust Java Spring Boot application? You're in the right place!
With 4 years of experience in Java Spring Boot development, I specialize in creating scalable, high-performance applications tailored to your needs. Whether it's a simple REST API or a complex enterprise solution, I ensure top-notch quality and efficiency.
I offer expertise in:
Microservices Architecture: Design and implement scalable and resilient systems.
RESTful APIs: Create secure, efficient, and maintainable endpoints.
Queues and Messaging: Integrate RabbitMQ, ActiveMQ, Kafka, or similar for asynchronous processing.
Multithreading: Optimize your application with effective concurrency management.
Database Integration: Seamlessly connect and manage your data with JPA/Hibernate.
Security: Implement robust authentication and authorization (JWT/OAuth).
Testing: Comprehensive unit, integration, and load testing to ensure reliability.
Let's build something amazing together! Whether you need a full-stack application or specific backend services, I'm here to help.
Contact me now to discuss your project requirements and get started on your custom solution!
With 4 years of experience in Java Spring Boot development, I specialize in creating scalable, high-performance applications tailored to your needs. Whether it's a simple REST API or a complex enterprise solution, I ensure top-notch quality and efficiency.
I offer expertise in:
Microservices Architecture: Design and implement scalable and resilient systems.
RESTful APIs: Create secure, efficient, and maintainable endpoints.
Queues and Messaging: Integrate RabbitMQ, ActiveMQ, Kafka, or similar for asynchronous processing.
Multithreading: Optimize your application with effective concurrency management.
Database Integration: Seamlessly connect and manage your data with JPA/Hibernate.
Security: Implement robust authentication and authorization (JWT/OAuth).
Testing: Comprehensive unit, integration, and load testing to ensure reliability.
Let's build something amazing together! Whether you need a full-stack application or specific backend services, I'm here to help.
Contact me now to discuss your project requirements and get started on your custom solution!
Programming Languages
HTML & CSS, JavaCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$100
|
Standard
$500
|
Advanced
$1,000
|
|---|---|---|---|
| Delivery Time | 3 days | 10 days | 30 days |
Number of Revisions | Unlimited | Unlimited | Unlimited |
Number of Pages | 1 | 1 | 1 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code |
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JL
Jeremy L.
Jan 22, 2026
PII Shield Chrome Extension
Abdul and his team at XenonDev are genuine, hardworking, and trustworthy professionals. We worked together on a complex browser extension project (PII Shield), and I truly enjoyed the personal relationship we built. They are good people who care deeply about their work.
RM
Rohit M.
Nov 15, 2025
Python Developer for Trading SaaS Product
Again, Rehired and Great experience working with him. Delivered clear and efficient Python code, communicated clearly, and met deadlines. Would definitely work with them again"
RM
Rohit M.
Sep 5, 2025
Python Developer Needed for Database Migration and Bug Fixing
Great experience working with him. Delivered clean and efficient Python code, communicated clearly, and met deadlines. Would definitely work with them again
SK
Shivam K.
Jul 31, 2025
Code Review and Logic Explanation (Hourly, Zoom Sessions)
SN
Shannon N.
Jun 13, 2025
Developer to Finalize Web-Based Medical Transcription Test Built on Replit
About Abdul
Frontend Developer | React, Next.js, Node.js, Python & AI/ML, API
100%
Job Success
Sargodha, Pakistan - 1:10 am local time
💰 $40,000+ Earned on Upwork
🏆 100% Job Success Score
⏱️ 8+ Years Full Stack Development
✅ Available All Time Zones
I build full-stack web applications that scale from MVP to thousands of users without breaking. Most clients hire me after trying developers who could write code but couldn't ship stable, production-ready systems.
I handle the complete stack React/Next.js frontends, Node.js and Python backends, databases, API integrations, AI features, and cloud deployment so you avoid handoffs, delays, and misalignment between teams.
🎯 I CAN HELP YOU IF
✓ You need a full-stack SaaS MVP built quickly and cleanly
✓ You want AI features integrated into your existing product
✓ Your React or Next.js app is slow and needs optimization
✓ You need backend APIs (Node.js, Python, Django) that scale
✓ You prefer clear communication and structured delivery
✓ You want someone who understands both product and engineering
✓ You're ready to start within a week
❌ WE'RE NOT A GOOD FIT IF
- You want the cheapest developer option
- You expect complex systems delivered overnight
- You prefer rushing without proper planning
- You work in gambling, adult content, or unethical niches
- You don't value documentation or collaboration
💼 WHAT I BUILD
- Full-Stack SaaS Applications
Complete product development from frontend to deployment. React/Next.js interfaces, Node.js or Python backends, PostgreSQL/MongoDB databases, payment integration, and cloud hosting.
- React & Next.js Frontends
Admin dashboards, customer portals, data visualization, and responsive interfaces. Performance-optimized for 40-60% faster load times.
- Backend APIs & Systems
Node.js/Express, Python/Django, FastAPI, and Ruby on Rails. RESTful and GraphQL APIs with authentication, background workers, and database optimization.
- AI-Powered Features
OpenAI integration, automated workflows, intelligent data processing, and AI assistants built into production applications.
- Third-Party Integrations
Stripe/Paddle payments, Shopify, CRMs, email/SMS services, and custom API connections.
🏗️ REAL PRODUCTION SYSTEMS
- AI Planning SaaS Platform
Full-stack Next.js app where users generate business plans using OpenAI and download PDFs. Built with serverless functions, background processing, and cloud storage on Netlify.
- E-commerce Analytics Dashboard
React TypeScript frontend with Django backend processing thousands of Shopify orders daily. Background workers handle automated data sync and reporting for multiple business teams.
- AI Headshot Subscription Platform
Next.js SaaS with Supabase backend. Users subscribe and generate professional AI headshots. Integrated Astria AI API, Stripe/LemonSqueezy recurring payments, and credit management.
- Trading Platform with Real-Time Data
Full-stack application with live market data, Node.js API, PostgreSQL database, and interactive charting. Handles high-frequency updates and user portfolio tracking.
Appointment Booking System
React frontend with Ruby on Rails backend. Calendar integration, automated SMS/email reminders via Twilio/SendGrid, and payment processing. Reduced no-shows by 40%.
📊 CLIENT RESULTS
- Delivered startup MVP that helped founders raise $1M in early investment
- Built automation workflows reducing manual work by 70% and cutting operational costs by 40%
- Developed real-time dashboards improving decision speed and generating 30% increase in operational ROI
- Optimized SaaS backend architecture, boosting performance 2.5x and reducing downtime by 60%
- Created internal tools saving teams 10+ hours weekly across departments
🛠️ TECHNICAL STACK
Frontend
React.js, Next.js, TypeScript, Angular, Redux, Tailwind CSS, Material UI
Backend
Node.js (Express, NestJS), Python (Django, FastAPI, Flask), Ruby on Rails, PHP (Laravel)
Databases
PostgreSQL, MongoDB, MySQL, Supabase, Firebase, Redis
AI & Automation
OpenAI API, LangChain, Pinecone, Vector Databases, Prompt Engineering, ML Model Integration
APIs
RESTful APIs, GraphQL, WebSockets, OAuth2, JWT Authentication
Cloud & DevOps
AWS (EC2, S3, Lambda, RDS), Vercel, Netlify, Heroku, Docker, GitHub Actions, CI/CD
Integrations
Stripe, Paddle, LemonSqueezy, PayPal, Shopify, Twilio, SendGrid, Google APIs
Tools
Git/GitHub, Agile Development, Jest/Pytest, API Documentation, Postman
Full-Stack Developer, React Developer, Next.js Developer, Node.js Developer, Python Developer, Django Developer, SaaS Developer, MVP Developer, API Developer, TypeScript Developer, Backend Developer, Frontend Developer, AI Integration, Automation Developer, Cloud Developer, Database Design, REST API, GraphQL Developer, Web Application Developer, JavaScript Developer
Steps for completing your project
After purchasing the project, send requirements so Abdul can start the project.
Delivery time starts when Abdul receives requirements from you.
Abdul works on your project following the steps below.
Revisions may occur after the delivery date.
Gather all the requirements
Design & develop a solution