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Hi, I'm Carens Kurniawan Wijaya, a web developer specializing in backend development. I'm proficient in PHP and JavaScript based microservices, building robust backends and scalable systems. I’m passionate about coding and delivering high-quality solutions. I pride myself on being a detail-oriented problem-solver and a reliable partner for web development projects.…

Carens Kurniawan Wijaya

Web Developer, Full Stack Developer, Back-End Developer, +2

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Hi, I'm Carens Kurniawan Wijaya, a web developer specializing in backend development. I'm proficient in PHP and JavaScript based microservices, building robust backends and scalable systems. I’m passionate about coding and delivering high-quality solutions. I pride myself on being a detail-oriented problem-solver and a reliable partner for web development projects.…

Available to hire

Hi, I’m Carens Kurniawan Wijaya, a web developer specializing in backend development. I’m proficient in PHP and JavaScript based microservices, building robust backends and scalable systems.

I’m passionate about coding and delivering high-quality solutions. I pride myself on being a detail-oriented problem-solver and a reliable partner for web development projects.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Indonesian

Fluent

English

Advanced

Work Experience

Web Developer at Pura Group

November 1, 2023 - November 6, 2025

Developed tools for Oracle to PostgreSQL migration, automating object conversion and query translation to reduce errors and migration time. Set up a full Docker environment and implemented Docker Swarm for consistent deployments. Integrated SSO across multiple apps and optimized memory usage from 1.5GB to under 100MB per process. Assisted with security testing and risk analysis.

Full Stack Web Developer at Qua-EduTechno

October 1, 2023 - October 1, 2023

Developed 6 custom applications for clients and integrated 15+ APIs to extend app capabilities. Consistently delivered projects on time with high client satisfaction, leading to recurring business.

Full Stack Developer Assistant at PT Cahaya Agung Lestari

November 1, 2022 - November 1, 2022

Collaborated to create Specter, an Employee Attendance Web Service, delivering it 20% ahead of schedule. Conducted code reviews, reducing issues by 15% and integrating a robust Report System generating 500+ daily attendance reports.

Freelance Software Engineer at Bengkel 99 Motor

May 1, 2022 - May 1, 2022

Deployed a management and cashier system for 10 employees, handling 500+ daily transactions. Achieved a 100% client satisfaction rate. Implemented a user-friendly interface reducing training time.

Lecturer Assistant at Faculty of Information Technology (UKSW), Salatiga

May 1, 2022 - May 1, 2022

Mentored 300+ students and supported 7 computer science courses through lectures, workshops, and practical sessions. Assisted in courses including Basic Mathematics, Introduction to Computer Science, Digital Systems, Basic Programming (C/C++), Object-Oriented Programming (Java), Database Systems (OracleSQL), and Algorithms and Data Structures (C/C++).