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I am a seasoned Senior Java Engineer with hands-on experience designing, developing, and optimizing enterprise-grade applications. I specialize in Java (Core and Advanced), Spring Boot, Microservices, and Cloud-native solutions, with a proven track record of building scalable, secure, and high-performance systems. Adept at leading engineering teams, mentoring junior developers, and collaborating across cross-functional teams to deliver robust software solutions aligned with business goals. I maintain a strong focus on clean code, best practices, and performance optimization.…I am a seasoned Senior Java Engineer with hands-on experience designing, developing, and optimizing enterprise-grade applications. I specialize in Java (Core and Advanced), Spring Boot, Microservices, and Cloud-native solutions, with a proven track record of building scalable, secure, and high-performance systems. Adept at leading engineering teams, mentoring junior developers, and collaborating across cross-functional teams to deliver robust software solutions aligned with business goals. I maintain a strong focus on clean code, best practices, and performance optimization.

Stephen Ekeh

Web Developer, Programmer, Back-End Developer, +2

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I am a seasoned Senior Java Engineer with hands-on experience designing, developing, and optimizing enterprise-grade applications. I specialize in Java (Core and Advanced), Spring Boot, Microservices, and Cloud-native solutions, with a proven track record of building scalable, secure, and high-performance systems. Adept at leading engineering teams, mentoring junior developers, and collaborating across cross-functional teams to deliver robust software solutions aligned with business goals. I maintain a strong focus on clean code, best practices, and performance optimization.…I am a seasoned Senior Java Engineer with hands-on experience designing, developing, and optimizing enterprise-grade applications. I specialize in Java (Core and Advanced), Spring Boot, Microservices, and Cloud-native solutions, with a proven track record of building scalable, secure, and high-performance systems. Adept at leading engineering teams, mentoring junior developers, and collaborating across cross-functional teams to deliver robust software solutions aligned with business goals. I maintain a strong focus on clean code, best practices, and performance optimization.

Available to hire

I am a seasoned Senior Java Engineer with hands-on experience designing, developing, and optimizing enterprise-grade applications. I specialize in Java (Core and Advanced), Spring Boot, Microservices, and Cloud-native solutions, with a proven track record of building scalable, secure, and high-performance systems.

Adept at leading engineering teams, mentoring junior developers, and collaborating across cross-functional teams to deliver robust software solutions aligned with business goals. I maintain a strong focus on clean code, best practices, and performance optimization.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Javanese

Advanced

Work Experience

Freelance/Private IT Contractor at Self-Employed / Freelance

January 1, 2019 - Present

Designed and developed microservices-based applications using Spring Boot and Docker, reducing system downtime by 30%. Optimized a large-scale Java codebase, improving application performance by 40% and eliminating recurring memory leaks. Implemented secure JWT-based authentication and RBAC, strengthening application security and compliance. Mentored and coached a team of 5 junior developers, driving adoption of best practices in code reviews, automated testing, and CI/CD pipelines. Led the successful migration from monolithic to microservices architecture, cutting release cycles from monthly to bi-weekly and boosting deployment efficiency.

Java Software Developer at Admas IT Place

January 1, 2024 - September 16, 2025

Contributed to backend development of SaaS Project Management System using Java and Spring Boot. Designed and integrated REST APIs for employee attendance, payroll, and announcements. Implemented secure authentication and authorization for login endpoints using Spring Security with JWT. Developed and executed JUnit tests for services, controllers, and repositories to ensure reliability and maintainability.

Java Developer at National Institute of Information Technology (NIIT)

January 1, 2019 - September 16, 2025

Contributed to backend development of an internal employee portal using core Java. Designed and integrated REST APIs for modules such as employee attendance, payroll, and announcements. Implemented authentication and authorization for login endpoints using Java-based security mechanisms with JWT. Developed and executed JUnit tests for services and controllers to ensure code quality and reliability.