Henri Susanto
Backend Engineer (Ex Tech Lead) +15YoE | NestJS | Scalable Microservices
About
Senior Software Engineer and former Tech Lead with over a decade of experience designing and delivering scalable systems. Specialized in Node.js (NestJS), WordPress custom development, and automation workflows. Proven track record of turning product ideas into reliable, maintainable architecture — leading system design, API development, database modeling, performance optimization, and production troubleshooting. Experienced in handling high-traffic systems, improving legacy codebases, and driving technical decisions with a strong balance between speed and quality. Hands-on engineer who understands both the big picture and the implementation details.
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• Contribute to the core platform architecture powering multi-tenant camp management systems. • Design and maintain scalable backend services using NestJS and distributed service patterns. • Improve system reliability and performance through observability, monitoring, and infrastructure optimization. • Collaborate closely with product and engineering teams to align technical decisions with business objectives. • Drive technical improvements across CI/CD pipelines, deployment workflows, and internal tooling.
Led technical delivery of custom loyalty platform projects, translating Business and Product requirements into scalable system architecture. Designed ERD, microservices architecture, and REST APIs for 3+ enterprise loyalty solutions. Broke down complex requirements into structured sprint plans and ensured high engineering standards across a team of 6 TypeScript backend developers. Reviewed code, guided architectural decisions, and collaborated with DevOps to manage staging and production deployments on Google Cloud Platform (GCP). Focused on building maintainable systems that balanced rapid feature delivery with long-term scalability.