Riksi

Software engineer with hands-on experience in full-stack development such as backend, frontend and devops. Strong problem-solving skills, enjoy working both independently and within a team, also passionate about creating efficient and scalable software solutions. Comfortable with Javascript, Typescript, Python and currently learning Go. Seeking software engineer roles where I can contribute from day one and continue to grow.

DevOps Engineer at Freelance (2024-10 – Present)

• Built production environments using Docker and Portainer on VPS to simplify application deployment for developers.
• Provisioned Linux hypervisors with libvirt/QEMU/KVM and deployed highly available K3s clusters with Tailscale VPN, CloudNativePG, and Cloudflare Tunnel.
• Scaled and optimized existing MicroK8s Kubernetes environments by adding nodes, improving resource efficiency, and identifying performance issues such as memory leaks.
• Linux (Ubuntu & Rocky Linux), libvirt/QEMU/KVM, Docker, Portainer, Tailscale VPN, Cloudflare Tunnel, Kubernetes (MicroK8s & K3s), CloudNativePG.

Application Developer Intern at PT Bank Central Asia Tbk (BCA) (2025-01 – 2026-01)

• Resolved a critical security vulnerability identified by the IT Security team where sensitive data could be intercepted over shared WiFi networks by implementing asymmetric encryption for client-server data transmission.
• Rebuilt and documented a legacy fullstack application with missing documentation by reverse-engineering system flows, analyzing request-response cycles, and migrating it to a modern framework.
• Implemented QRIS payment features (MPM and CPM) on a web platform.
• Java, Javascript, Typescript, React.js, Next.js, Spring Boot, Angular

Web Developer Intern at PT.Winnicode Garuda Indonesia (2024-08 – 2025-01)

• Improved recruitment process efficiency by developing an internal employee recruitment application using Laravel Inertia and PostgreSQL, reducing manual processing time by 50% and streamlining candidate management workflows.
• Optimized database performance and data retrieval by designing and implementing 7 relational tables (applicants, applications, jobs, administrators, etc.), reducing query response time by 40% and improving data consistency across the system.
• Javascript, PHP, Laravel, Inertia.js, PostgreSQL, Docker

Assistant Lecturer at Universitas Atma Jaya Yogyakarta (2023-02 – 2023-07)

• Assisted in practical classes twice a week, with 231 students in 4 classes, providing support to enhance their basic programming concept as a fundamental core.
• Creating 4 modules, pretests and final test for each class.

Bachelor in Informatics – Universitas Atma Jaya Yogyakarta (2021-08 – 2025-11)