I will migrate your legacy monolith system to java microservices

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Mobarak Hosen

About this gig

Is your legacy monolithic architecture slowing down deployment speed and scaling costs?

I am a Software Architect with a history of helping companies transition from rigid monolithic software to agile, high-performance distributed systems. I recently migrated a massive e-commerce monolith (Rakuten Beauty) to a Java microservices setup, achieving a 60% improvement in application performance.

How I can help optimize your platform:

  • Legacy System Auditing: Analyzing your code to identify tight coupling and performance bottlenecks.
  • Deconstruction Strategy: Defining service boundaries and creating a step-by-step migration plan.
  • Microservices Migration: Breaking down backend code into independent Spring Boot services.
  • API Gateway Setup: Configuring routing, authentication, and rate limiting (using APISIX, Spring Cloud, or AWS).
  • Database Decoupling: Designing distributed data strategies (MySQL, PostgreSQL) while maintaining data consistency.
  • DevOps Setup: Docker, Kubernetes configurations, and Jenkins CI/CD deployment pipelines.

I do not just rewrite codeI deliver functional, highly available systems that enable your business to deploy faster and operate with lower infrastructure overhead

Get to know Mobarak Hosen

Mobarak Hosen

Software Architect

  • FromBangladesh
  • Member sinceJul 2026
  • Languages

    Bengali, English
I am a software architect with over 10 years of experience in software engineering and technical leadership. I specialize in building scalable solutions, API security, and distributed systems using Docker and Kubernetes. I have a proven track record of leading development teams and delivering impactful projects across various industries.

My Portfolio