SYS.ROUTER // BACK TO EXPERIENCE
Internship (Completed)Nov 2024 – Aug 2025 · 10 mos

Backend Engineer (Internship)

Merkle Innovation (PT Merkle Inovasi Teknologi)

TIMELINENov 2024 – Aug 2025 · 10 mos
LOCATIONJakarta Office / Remote (Hybrid)
CLASSIFICATIONInternship (Completed)

Executive Summary & Scope

Architected scalable backend data models, built high-throughput RESTful API endpoints, and optimized server infrastructure for enterprise solutions, specifically including the MIT Profiling employee intelligence system.

Core Responsibilities & Deliverables

01Engineered high-performance RESTful API microservices using Node.js, Express, and TypeScript.
02Designed normalized relational database schemas with complex indexing strategies for rapid analytics queries.
03Implemented secure authentication and authorization systems utilizing JSON Web Tokens (JWT) and Role-Based Access Control (RBAC).
04Collaborated closely with cross-functional product managers, frontend engineers, and QA teams in an agile delivery cycle.
05Authored automated integration test suites and Postman API contract documentation.

Key Achievements & Impact

  • Significantly reduced database query latencies on core profiling endpoints from >1.5s to <65ms through query optimization.
  • Zero critical production API incidents across the deployment period of the MIT Profiling platform.
  • Commended by engineering leadership for rigorous code quality, comprehensive documentation, and proactive architectural solutions.

Focus Disciplines & Technologies

Node.jsExpress.jsTypeScriptPostgreSQLRESTful API DesignPostmanJWTDocker