Najmi Raihan

Improved payment processing efficiency by 30% by optimizing transaction systems and payment integrations. Architected and maintained microservices for payments, escrow, KYC, LMS, and e-commerce, building automated refund/settlement workflows and zero-downtime feature-flag rollouts.

Built a multi-tenant AI chatbot platform using RAG (Mastra) with Redis, PostgreSQL, and Qdrant, and developed a production mobile-first POS for Warung.io. Integrated multiple payment gateways with automated invoice generation and engineered RBAC with structured Redis caching to achieve sub-millisecond permission checks.

Led a community of 7 computer science students and directed a 4-member team to build a Next.js landing page and a competition evaluation platform. Supervised the launch of the “OKINES Game” as the national chemistry olympiad final assessment and created a JavaScript full-stack development curriculum for peer mentoring.

Developed a centralized BI dashboard with Metabase for real-time order lifecycle analysis and built scalable REST APIs for event management and check-ins. Scaled backend services on AWS and Azure, integrated multi-carrier shipping gateway APIs, and implemented automated Cron updates and automated testing to reduce production regression bugs.

Activities and societies: Co-founded SynKode student tech community; organized knowledge-sharing and mentored peers; finalist at LIDM (Lomba Inovasi Digital Mahasiswa).

Studied Informatics Engineering with a focus on fullstack development, alongside broader software engineering and networking topics. Co-founded SynKode and participated in national/university competitions, including becoming a finalist at LIDM.

Activities and societies: Achieved 3rd Place in Cyber Security at LKS SMK Nasional 2020 representing Jawa Tengah.

Studied programming, computer networking, cybersecurity, and application development through project-based, industry-oriented vocational training.