Rejaka Abimanyu Susanto is an award-winning full-stack developer from Yogyakarta, Indonesia, specializing in modern web technologies including Next.js, React, TypeScript, MongoDB, Rust, and WebAssembly. With a strong focus on backend development and database engineering, Rejaka creates comprehensive, powerful, and reliable web applications using efficient and modern tech stacks.
As a full-stack developer, Rejaka excels in both frontend and backend development. His expertise spans across multiple domains: API development and integration, database design and optimization using MongoDB, server-side rendering with Next.js App Router, real-time web applications with WebSocket technology, performance optimization and SEO implementation, and progressive web app development. He is also proficient in building interactive user interfaces with React 19 and Three.js for WebGL graphics.
This portfolio showcases an interactive API request builder that demonstrates Rejaka's capabilities in API development. You can test various API endpoints in real-time, explore comprehensive apidata responses, and monitor request handling through the terminal logging system. The API request builder allows you to make GET requests to different endpoints including /api/data, /api/data/about, /api/data/projects, /api/data/experiences, /api/data/achievements, /api/data/techStacks, and /api/data/socials. Each API request displays detailed response data, status codes, and performance metrics.
Rejaka is a 1st Place winner of the National Digital Hero Competition 2024 organized by PT. ITHO INDOSTOCK, demonstrating his exceptional skills in web development. He has also been a finalist in multiple prestigious programming competitions including the Sagasitas Web Building Competition 2024, Top 10 in ByProject Student Web Dev Competition 2025, and Finalist in Silogy Expo Web Development Competition 2025. These achievements showcase his competitive programming abilities and dedication to excellence in software engineering.
As the Team Lead of Slaviors Development Team, Rejaka manages a professional web development team focused on delivering high-quality web solutions. His experience includes working as a Web Developer Apprentice at PT. ITHO INDOSTOCK (July 2024 - December 2024), where he focused on frontend development using React and Tailwind CSS, participated in chatbot integration, and assisted with deployment and server-side configuration. He also contributed to the development and maintenance of school website at SMKN 2 Depok Sleman as an OSIS Coordinator and IT Development team member.
Rejaka has developed numerous web applications and projects that demonstrate his full-stack development capabilities. His projects include Ghost Chat, an anonymous real-time chat platform; JaMak (Jaringan Masyarakat), a community network project for rural areas; VoidBoard, an anonymous image board platform; Void X Bot, a WhatsApp automation bot with AI integration; and various profile websites and web applications for clients. Each project showcases his ability to build modern, responsive, and performant web applications using the latest technologies.
Rejaka graduated from SMKN 2 Depok Sleman (2022-2025) with a major in System Information Network Application (SIJA). During his vocational education, he gained hands-on experience in web development, database management, network systems, and software engineering principles. His education provided a strong foundation in both theoretical knowledge and practical skills in information technology.
This portfolio features an innovative design with a retro-futuristic terminal aesthetic. The interactive API request builder allows visitors to explore Rejaka's professional data dynamically. You can view his complete resume and CV, test API endpoints to retrieve project information, explore his comprehensive tech stack including programming languages, frameworks, and tools, and review his professional experiences and achievements. The real-time terminal logging system provides transparency in API request handling and response formatting.
Rejaka is currently available for internship opportunities, entry-level full-stack developer positions, freelance web development projects, and contract-based software engineering roles. He is particularly interested in opportunities that involve working with modern web technologies, building scalable backend systems, and creating innovative user experiences. You can contact him at abim@rejaka.id or connect through his professional profiles on GitHub (github.com/REZ3X) and LinkedIn (linkedin.com/in/rejaka-me).