Shasika Udayanga

Architected scalable microservices ecosystem and REST APIs for blockchain-based data ownership and IP management; designed secure smart-contract architectures for IP asset ownership and NFT-based licensing with Story Protocol; developed NHS microservices and dashboards, including ambulance and hospital systems; migrated a monolithic API server to microservices and updated the codebase from JavaScript to TypeScript; migrated PWA PatientAide to Vite with offline features and improved PWA functionality; built rental property management features (viewings, inquiries, sales, listings) with automated multi-channel workflows; created modular UI components with atomic design; implemented automated workflows with N8N; led Terraform deployments and DevOps tasks; integrated PostHog telemetry via Nuxt Layers; established CI/CD pipelines with GitHub Actions and AWS CodePipeline; configured telemetry and alerting with Grafana and performance testing with k6.

Engineered REST APIs for Open Banking partner integrations and secure payment processing; enhanced bank statement reconciliation with SQL data aggregation and automated report generation; designed core financial microservices with event-driven architecture using Apache Kafka for real-time processing; developed task and notification features for payments, payroll, and budget thresholds; applied SOLID principles and Clean Architecture to ensure maintainable, scalable code.

Developed high-performance microservices powering real-time dashboards; built real-time price fetching across decentralized markets; implemented queue-based data acquisition from decentralized exchanges; created a graph-based analysis engine to identify arbitrage opportunities and execute bundled transactions on the Ethereum blockchain; technologies included Python, Node.js, C++, Java, Solidity, GraphQL, MongoDB, Redis, Kafka; contributed to distributed systems and frontend layers with React.