Hire Java Developer — Spring Boot services and JVM systems built to last
Java rewards discipline and punishes ceremony: the difference between a Spring Boot service that hums and one that drowns in abstraction is architectural judgment. I design and lead Java systems — microservices, batch jobs, integrations — with the JVM tuning and testing rigor they demand.
View Backend Developer CV ↗ PDF Word
I'm Omer Muneer Qazi, a Dubai-based Fractional CTO & Solutions Architect with 15+ years of experience and 100+ projects delivered across 6 countries. You get one accountable owner, scoped milestones, and weekly demos. Comparing stacks? My Python developer hiring page covers the alternative.
Java engineering without the bloat
Spring Boot Microservices
Independently deployable services with clean API contracts, proper configuration management, and health checks — sized right so you don’t get distributed-monolith pain. I design service boundaries carefully.
JVM Tuning & Performance
GC selection, heap sizing, and thread-pool tuning based on real profiling — not defaults. I find the actual bottleneck instead of scaling hardware at the problem.
Gradle & Maven Builds
Reproducible multi-module builds with dependency locking, version catalogs, and CI pipelines that fail fast on broken code instead of at release time. I clean up build debt too.
API & Integration Design
REST APIs, message-driven integrations with Kafka or RabbitMQ, and third-party connectors with retry logic — built for the failures that will happen. I design for idempotency throughout.
Legacy Java Modernization
Monoliths move to Java 17+ and Spring Boot incrementally: strangler-fig extraction, dependency upgrades past CVEs, and tests wrapped around behavior before changes. I modernize without big-bang rewrites.
Testing at Every Level
JUnit unit tests, Testcontainers integration tests against real databases, and contract tests between services — so refactors stay safe and deploys stay boring. I enforce coverage on critical paths.
From architecture to production
A structured engagement with no surprises — you’ll always know what’s happening and what’s next.
Architecture Review
We examine your requirements and existing systems, then I define service boundaries, data flows, and the technology choices with their tradeoffs.
Contract-First Design
API schemas and message formats get agreed before implementation, so teams build in parallel without integration surprises later in the project.
Incremental Delivery
Working, tested services ship in weekly increments to staging. You see the system grow and can redirect priorities as you learn.
Production Handover
Deployment pipelines, runbooks, and monitoring your team inherits, plus a recorded walkthrough of every service and its failure modes before launch.
Why hire Java through a Fractional CTO
Java projects usually suffer from over-engineering, not under-engineering: abstraction layers nobody asked for, and build times measured in coffee breaks. Across 15+ years and 100+ projects I’ve learned when Java’s ceremony earns its keep — and when to cut it. Your system gets the discipline without the bloat.
One owner, scoped milestones, weekly demos, and honest timelines. Tell me about your system on my contact page and I’ll scope it properly. You’ll hear back with a plan, not a pitch.
Frequently asked questions
Spring Boot or Quarkus / Micronaut?
Spring Boot for most teams — its ecosystem and hiring pool win. I reach for Quarkus or Micronaut only for serverless or GraalVM native-image cases where startup time truly matters.
Can you modernize our legacy Java monolith?
Yes — incrementally. I upgrade the JDK and dependencies, wrap behavior in tests, then extract services via the strangler-fig pattern. No big-bang rewrites that stall the business.
How do you approach microservices boundaries?
Domain-first: I map bounded contexts with your team before drawing service lines. Wrong boundaries cost more than any framework choice, so this step never gets rushed.
Do you handle DevOps and deployment?
Yes. Containerized builds, CI pipelines, Kubernetes or managed-platform deploys, and observability — metrics, tracing, and alerts your team can actually act on. I document the whole pipeline.
How do we get started?
An architecture review call first, then a scoped proposal with milestones. Most Java engagements start within one to two weeks, beginning with the highest-risk area of your system.
Let’s scope your Java system
Tell me about the system — new build, monolith rescue, or scaling pain — and I’ll scope it properly.
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