WAN AHMAD MUSTAQIM

Owned security remediation for the Gacha application by resolving vendor-reported vulnerabilities and investigating exploit paths. Delivered Collectr API integration for card inventory pricing using external market data to support valuation decisions. Initiated a Gacha API refactor by defining module boundaries and design patterns to improve maintainability, and proposed a decoupled architecture separating scheduled vs on-demand workloads into a dedicated worker repository. Built new product architecture foundations, documented existing infrastructure with system diagrams, and enforced Git/GitHub rulesets and commit standards. Established engineering delivery workflows using Jira and two-week sprint cycles. Also drove FIUU payment gateway integration to expand payment capabilities within the platform.

Led cloud-first backend architecture for national-scale government platforms, defining secure and scalable systems using Fastify, Bun, PostgreSQL, and modern TypeScript. Drove modernization of the Hansard Parlimen platform by re-architecting from Django to Fastify on Bun, delivering major performance improvements and moving toward microservices and high-performance APIs. Architected event-driven backend systems with publish/subscribe patterns to enable reliable asynchronous processing. Led backend/API development for RDMKD with secure data-processing pipelines and OpenAI-powered summarization and automation workflows. Designed and delivered geospatial services for SEKOLAHKU, enabling scalable location-based discovery and data visualization across backend and frontend. Provided senior technical leadership through architecture reviews, standards, mentoring, and performance/reliability improvements for mission-critical national platforms.

Built and shipped mission-critical national digital platforms including AskMyGov, SiaranGovMy, and TechGovMy, improving public accessibility, service delivery, and overall digital experience. Engineered scalable full-stack applications using modern web technologies with strong performance, security, and long-term maintainability. Collaborated across engineering, product, and infrastructure teams to design, build, and deploy reliable and secure high-performance systems for government services.