My Work
Production systems, fintech infrastructure, and trading platforms I've built and owned.
Featured Projects
Silverhands
Microjob marketplace platform, freelancer-style, focused on small tasks. Built in Go with Gin and JSON-RPC architecture for strongly-typed service contracts, backed by PostgreSQL for transactional consistency and Redis for caching and queue coordination. Integrated Singapore's Singpass national identity following the FAPI 2.0 security profile (PAR and DPoP) for high-assurance KYC and onboarding flows.
Opulous
Music fintech platform with distributed state coordination across 5 networks with different consistency guarantees. Led cross-network transfer architecture using Wormhole messaging and CCTP, reduced RPC latency by ~70% through parallel execution and connection pooling. Designed distributed queue system with idempotent processing.
Booster.fun
Real-time trading platform with atomic transactions and zero-downtime deployments. Identified direct RPC calls as a cost bottleneck for blockchain indexing, replaced with Aptos Processor, reducing costs by 100x+. Tackled leaderboard latency by building real-time ranking system with BullMQ, PostgreSQL, and Redis caching.
All Projects
NFT Springboard
AI content platform addressing single-provider failure risk by architecting multi-provider AI pipeline with circuit-breaker failover across Gemini and Flux. Resolved data consistency gaps by implementing event-driven sync with BullMQ workers updating MongoDB in near real-time.
Campaign.com Platform
Campaign management platform backend serving 10,000+ monthly active users. Beyond query tuning, focused on the deployment surface: GCP Cloud Run + Cloud SQL with automated CI/CD pipelines for safe, repeatable releases.
Live Sports Score App
Early-career WebSocket system handling live sports scoring. Built reconnection resilience and Redis-backed broadcast fan-out to absorb traffic spikes when users reconnected after goals. These patterns still inform how I design real-time systems today.
Vending Machine Payment System
Early-career IoT payment processing system for vending machines. First production system where I worked with exactly-once delivery, idempotency, and event sourcing on Kafka. These foundational patterns later shaped the distributed queue design at Opulous.
Need a backend built?
From cross-chain fintech to real-time trading platforms, I build backend systems that scale. Let's discuss your project.