Kenneth Calvin

Backend Software Developer | Java Spring Boot | Fintech & Banking Systems

South Jakarta, Jakarta, Indonesia

About

I am a Software Developer with 1 year + of professional experience in digital corporate banking solutions, specializing in Java Spring Boot development. My work primarily involves building and maintaining RESTful APIs, debugging and resolving production issues for banking clients, and optimizing PostgreSQL queries to ensure high performance and reliability. I have hands-on experience with Git-based CI/CD pipelines for version control and automated deployment, following Agile development practices. My technical expertise includes Java, Spring Boot, PostgreSQL, and API development, complemented by strong problem-solving and analytical skills. Passionate about backend engineering, secure and scalable system design, and continuous improvement, I strive to deliver efficient and reliable solutions for complex business needs.

Experience

  • Back End Developer at PT Nostra Solusi Teknologi
    Jun 2026 - Present · 2 mos

  • Backend Software Developer at PT Wide Technologies Indonesia
    Nov 2024 - Jun 2026 · 1 yr 8 mos

    - Developed and maintained RESTful APIs for digital corporate banking applications using Java Spring Boot, ensuring scalability and security. - Investigated, debugged, and resolved production issues to improve system stability and client satisfaction for enterprise banking solutions. - Wrote and optimized PostgreSQL queries to enhance database performance and support complex business logic. - Collaborated with cross-functional teams in an Agile environment, participating in daily stand-ups, sprint planning, and code reviews. - Utilized Git for version control and implemented CI/CD pipelines for automated builds, testing, and deployment. - Worked closely with clients (banks) to analyze issues, propose solutions, and deliver timely fixes to meet SLAs.

  • Technical Risk Engineer at DANA Indonesia
    Feb 2023 - Feb 2024 · 1 yr 1 mo