You will get Java Spring Boot Developer | Microservices & REST API Development
Project details
Need a professional Java Spring Boot developer for building scalable, high-performance microservices? I specialize in Java Spring Boot microservices development, creating REST APIs, backend systems, and distributed applications for enterprise and startup projects. I design modular, maintainable, and secure backend architectures with Spring Cloud, Docker, and database integration (MySQL, PostgreSQL, MongoDB). My solutions include authentication/authorization (OAuth/JWT), API integration, asynchronous processing, and performance optimization. Whether you need e-commerce platforms, content management systems, or SaaS backends, I deliver reliable, production-ready services with clear documentation and best coding practices.
What's included $500
These options are included with the project scope.
$500
- Delivery Time 14 days
- Number of Revisions Unlimited
- Number of Pages 4
- Design Customization
- Content Upload
- Responsive Design
- Source Code
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MR
Maen R.
Jun 3, 2026
Build SaaS Platform Foundation – Spring Boot Backend + React Frontend + Figma Design
It was a pleasure working with Saim. He demonstrated exceptional professionalism, strong communication skills, and a commitment to delivering high-quality work. Throughout our collaboration, Saim was responsive, reliable, and consistently met expectations.
His attention to detail, positive attitude, and willingness to take ownership of tasks made the entire experience smooth and productive. He was proactive in addressing challenges and ensured that everything was completed to a high standard and within the expected timeframe.
I highly recommend Saim to anyone looking for a skilled and dependable professional. I would be happy to work with him again on future projects.
His attention to detail, positive attitude, and willingness to take ownership of tasks made the entire experience smooth and productive. He was proactive in addressing challenges and ensured that everything was completed to a high standard and within the expected timeframe.
I highly recommend Saim to anyone looking for a skilled and dependable professional. I would be happy to work with him again on future projects.
AC
Alex C.
Jun 2, 2026
Core CRM Phase 02 Upfront
This the second time I have hired Saim, and like last he over delivered and built amazing CRM for my business! I’ve hired Saim on retainer for tech support for my CRM.
SS
Surnoor S.
May 15, 2026
Scope a plan for Crypto Gateway Fix
UG
Usman G.
May 5, 2026
connecting to domain
Just like last time, quick and high quality work. Its a pleasure to work with Saim.
UG
Usman G.
Apr 30, 2026
Portfolio website
Saim is super cooperative and delivered the work on time. Highly technical and professional. Would love to work with him again.
About Saim
Full Stack Developer | Java Spring Boot | Nest.js, React & Python
92%
Job Success
Karachi, Pakistan - 6:41 am local time
I help businesses build reliable full stack web applications using Java Spring Boot, Angular, React, Python, NestJS, and TypeScript.
My work focuses on clean backend architecture, secure APIs, responsive frontend interfaces, database structure, and scalable systems that are easy to maintain long-term.
𝗪𝗵𝗮𝘁 𝗜 𝗰𝗮𝗻 𝗵𝗲𝗹𝗽 𝘄𝗶𝘁𝗵:
• Full Stack Web Application Development
• Java Spring Boot Backend Development
• Angular and React Frontend Development
• Python and NestJS Backend Systems
• REST API Development and Integration
• MySQL and PostgreSQL Database Design
• Authentication, JWT, and Role-Based Access
• Admin Panels, Dashboards, and SaaS Platforms
• AWS Deployment and Docker Environments
• GoHighLevel CRM Setup and Automation Support
𝗖𝗼𝗿𝗲 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸:
Backend: Java Spring Boot, NestJS, Python, TypeScript, REST APIs, MySQL, PostgreSQL, JWT
Frontend: Angular, React, JavaScript, TypeScript, Responsive UI, Single Page Applications
Infrastructure: AWS, Docker, cloud deployment, scalable application setup
Automation: GoHighLevel, CRM setup, workflow automation, funnel integrations
𝗛𝗼𝘄 𝗜 𝘄𝗼𝗿𝗸:
• Clean, maintainable code
• Clear and proactive communication
• Scalable architecture, not quick patches
• Frontend and backend built with long-term product growth in mind
𝗥𝗲𝗮𝗱𝘆 𝘁𝗼 𝗯𝘂𝗶𝗹𝗱 𝗮 𝗳𝘂𝗹𝗹 𝘀𝘁𝗮𝗰𝗸 𝘄𝗲𝗯 𝗮𝗽𝗽 𝘁𝗵𝗮𝘁 𝘄𝗼𝗿𝗸𝘀 𝗿𝗲𝗹𝗶𝗮𝗯𝗹𝘆?
Send me your project details and I’ll help you build a clean, scalable application with the right backend, frontend, APIs, database, deployment setup, and automation support.
𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀:
Full Stack Developer, Java Spring Boot Developer, Spring Boot, Java Developer, Angular Developer, React Developer, Python Developer, NestJS Developer, TypeScript Developer, REST API Development, API Integration, Backend Development, Frontend Development, Web Application Development, SaaS Development, MySQL, PostgreSQL, AWS Deployment, Docker, JWT Authentication, Admin Dashboard, CRM Automation, GoHighLevel, GHL
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