About Hendri Budi Santoso
Full Stack Developer with a track record of leading development squads, shipping production-grade systems, and bridging the gap between business goals and technical execution. I work across Node.js, .NET, and Python to build end-to-end solutions that improve user experience and operational efficiency.
What I Do
Full-stack development from UI to infrastructure. My toolkit includes:
Frontend
React Astro Tailwind Bootstrap
Backend
Express.js .NET Django
Database & Cache
PostgreSQL MSSQL Oracle Redis
Infrastructure & DevOps
AWS (EC2, S3, ECS) Cloudflare R2 GitHub Actions Linux
Work Experience
Solution Analyst
· Bank Mandiri Jan 2026 - Present On Site
Designing end-to-end system architecture - defining how frontend and backend interact, their behaviors, and data flow.
- Translate business requirements into system design documents covering API contracts, data flow, and component behavior
- Define interaction patterns between frontend and backend services to ensure consistency and scalability
Squad Leader
· Siloam Hospitals Group May 2024 - May 2025 Hybrid
Led both Full Stack and Mobile squads to deliver robust features and performance optimizations across EMR and MySiloam systems.
- Reduced MySiloam mobile app size by 40% by migrating from Zoom/Zendesk to Agora SDK
- Facilitated cross-team alignment across developers, PMs, and stakeholders
Full Stack Developer
· Siloam Hospitals Group Aug 2022 - May 2024 Hybrid
Built and maintained full-stack solutions across EMR and MySiloam systems using .NET and Node.js.
- Built and maintained EMR system using .NET Web API and SQL Server
- Built teleconsultation and telemedicine in MySiloam services which enabled remote doctor visits and in-app medicine purchases
IT Solution Associate
· WOM Finance Mar 2021 - Aug 2022 Remote
- Built payment APIs integrating with Tokopedia, Shopee, and ATM networks using .NET Web API
- Automated SLIK-OJK credit score retrieval, cutting loan approval time from days to under 2 hours