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I will develop java spring boot microservices and rest apis
Naeem Ullah
About this gig
Looking for a backend developer who actually understands microservices, not just endpoints bolted onto one big app? I build production-grade java spring boot microservices, backed by 5+ years of backend development experience.
What I deliver:
- Spring Boot microservices with clean, modular architecture
- REST APIs with proper validation, error handling and documentation
- API gateway, service discovery and config management
- Inter-service communication (REST and Kafka messaging)
- Database integration with MySQL, MongoDB and PostgreSQL
- Dockerized services, ready for deployment
Why work with me:
- Real depth in Java and Spring Boot, not surface-level tutorials
- Maintainable, well-commented code your team can build on
- Honest scoping I tell you what's realistic before you order
Great for: building new microservices, splitting a monolith into services, or scaling an existing Spring Boot backend.
Every microservices project is different, so message me with your requirements first. I'll reply with the right package, a clear timeline and a fixed quote so we're aligned before any work begins.
Get to know Naeem Ullah
Naeem Ullah
Spring Boot Production Rescue: Kafka, Database and Performance Fixes
- FromPakistan
- Member sinceNov 2017
- Last delivery1 year
Languages
Urdu, English
Senior Java engineer specializing in Spring Boot production rescue: I diagnose and fix the issues that take systems down — Kafka consumer lag and rebalancing, HikariCP pool exhaustion, database deadlocks, JWT/auth failures, and Spring Batch job crashes. 5+ years building and operating core banking microservices (Java, Spring Boot, Kafka, Redis, PostgreSQL, MySQL), where downtime is not an option. I also build fast, SEO-optimized Next.js sites with proven Core Web Vitals and PageSpeed results. Clear diagnosis first, minimal safe fix second, root-cause explanation always.
My Portfolio
FAQ
Can you split my existing monolith into microservices?
Yes. Share your repository or a description of the current system and I'll assess the service boundaries, then propose a decomposition plan before any code is written.
Which databases do you work with?
MySQL, PostgreSQL and MongoDB. Tell me what your project uses and I'll confirm the integration approach in my reply.
Do you handle deployment?
I deliver Dockerized services ready to deploy. Full cloud setup or CI/CD pipelines can be added as a custom extra — message me to scope it.
Will I get the source code and documentation?
Yes. Every package includes full source code with clear comments. Documentation of the services and APIs is included from the Gold tier up.
I'm not sure which package I need. What should I do?
Message me first with your requirements. Microservices projects vary widely, so I'll recommend the right package and send a fixed quote and timeline before you order.
