• Serving Clients Globally
  • +91 9599388970 (India)
  • WhatsApp
  • info@rannlab.com
WhatsApp Us
Get Free Consultation

Hire Java Developer

On-demand Java talent to build enterprise-grade, scalable applications.

Hire expert Java developers for Spring Boot, microservices, enterprise applications, and cloud-native Java solutions. We deliver robust, maintainable Java applications.

See Talent & Rates
Book a Free Consultation
ISO Certified
15+ Years
500+ Projects
NDA/IP Protection

Why Hire Java Developer from Rannlab?

Expert in Java 17+ with modern features

Proficient in Spring Boot and Spring Cloud

Strong microservices architecture experience

Enterprise application development expertise

Cloud-native application design

Performance tuning and optimization

What Our Java Developers Deliver

Spring Ecosystem

  • Spring Boot applications
  • Spring Cloud microservices
  • Spring Security
  • Spring Data JPA
  • Spring WebFlux for reactive

Microservices

  • Microservices architecture
  • Service discovery (Eureka)
  • API Gateway (Zuul, Spring Cloud Gateway)
  • Circuit breakers (Resilience4j)
  • Distributed tracing

Enterprise Development

  • Java EE / Jakarta EE
  • Hibernate ORM
  • RESTful web services
  • SOAP web services
  • Message-driven beans

Cloud & DevOps

  • Docker containerization
  • Kubernetes deployment
  • CI/CD with Jenkins
  • AWS/Azure/GCP integration
  • Infrastructure as Code

Database Integration

  • JPA and Hibernate
  • JDBC for direct access
  • PostgreSQL and Oracle
  • MongoDB integration
  • Database migrations with Flyway

Testing & Quality

  • JUnit 5 testing
  • Mockito for mocking
  • Integration testing
  • SonarQube code quality
  • Performance testing with JMeter

Tools & Technologies We Use

Java 17+

Spring Boot

Maven/Gradle

PostgreSQL

Docker

Kubernetes

JUnit

IntelliJ IDEA

Banking System Modernization

Challenge

Modernize monolithic banking application to cloud-native microservices.

Solution

Rebuilt with Spring Boot microservices, implemented event-driven architecture, deployed on Kubernetes.

Results

  • 5x improvement in scalability
  • 60% reduction in deployment time
  • 99.99% uptime achieved
  • Seamless cloud migration

JAVA Developer

Flexible Engagement Models

Dedicated Experts

Monthly retainer for ongoing work. Full-time or part-time resources dedicated to your project.

Fixed Scope

Clear SOW with defined deliverables, timelines, and budget. Perfect for well-defined projects.

Hourly / T&M

Pay only for hours worked. Ideal for ad-hoc tasks, support, and evolving requirements.

Delivery Assurance

Transparent Timelines

Clear milestones and delivery dates

Clear SOW

Defined scope and acceptance criteria

Sprint-Based

Agile delivery with regular updates

Documentation

Clean, well-documented code

Security Reviews

Code audits and best practices

Get a Free Estimate

100% confidential • NDA available • Response within 24 hours

100% Confidential, 24-Hour Response, No Commitment Required

Frequently Asked Questions

We work with Java 11+ and specialize in Java 17 and 21 with the latest features and performance improvements.

Yes, we design and implement microservices using Spring Boot, Spring Cloud, and containerization technologies.

Absolutely. We modernize legacy Java applications to modern frameworks, cloud-native architectures, and latest Java versions.

We deploy Java applications to AWS, Azure, and GCP using containerization and Kubernetes orchestration.