Nanda Winata

- Led end-to-end CRM and creator curation platforms across Southeast Asia, eliminating manual workflows. - Re-architected the recommendation system to scale creator coverage 20× from 10K to 200K while reducing operational needs to 3 people. Processed peak campaigns with ~6M personalized recommendations for 200K+ creators. - Adopted AI-first, spec-driven development to deliver full-stack features. Tech: Go, TypeScript, MySQL, gRPC, MQ.

- Led development of Tokopedia’s Seller Dashboard across Desktop and Android, scaling to ~3,000 RPS. - Built real-time seller widgets using SSE, distributed caching, and message queues. - Owned the Seller Search Service, delivering <100ms latency across orders, products, and help content. - Built dynamic engagement widgets for personalized recommendations and campaign tasks. Tech: Go, MySQL, Redis, NSQ, gRPC, GraphQL, REST.

- Promoted to Lead Software Engineer within 2 years for technical excellence and leadership. - Led a 3-member backend team and designed scalable gamification services. - Built Reward Service handling ~500 write RPS with 99.9% fulfillment and uptime. - Built Fraud Detection Service at ~2,000 RPS. - Built Shopee Poly’s ~1,000 RPS platform supporting SEA and Brazil expansion. Tech: Go, MySQL, Redis, Pub/Sub, gRPC, REST, Kubernetes.

- Maintained and optimized Jobs.id and Qerja’s full-stack platforms. - Improved resume search latency by 50% (1,000ms to <500ms) at 100 RPS using Elasticsearch and caching. - Built virtual wallet and transactional payment services with third-party integrations. - Automated job publishing to social media, reducing processing time by 96% and increasing throughput 7×. Tech: Go, PHP, MySQL, Elasticsearch, Redis, NSQ, Vue.js, React.js.