jdg2896
Lead Software Engineer
With a 8-year track record in software engineering and 4 years in blockchain, I excel in backend systems design and Web3 integrations. My expertise encompasses building and maintaining production-grade microservices for fintech and crypto applications, including FATF-compliant Travel Rule solutions, escrow smart contracts, and fiat-to-crypto payment systems. I am also a dedicated advocate for engineering excellence, actively driving security audits, infrastructure migrations, and technical documentation standards across fast-paced startup environments.
Experience: 8 years
Yearly salary: $0
Hourly rate: $0
Residency: 🇵🇠Philippines
Experience
Lead Software Engineer
P33R Finance & Requipd.ai 2023 - 2024
Built the POC for P33R Finance — implementing onboarding flows, escrow smart contracts, and payment systems — securing acceptance into Tenity's Incubation Program and AWS Startups Build Accelerator (13 of 230 applicants). Engineered the full MVP backend and smart contracts achieving $25K in GMV, expanding capabilities with third-party payment gateways, balance alerts, and escrow refund support.
Lead Software Engineer
XLD Finance 2022 - 2023
Built two Web3 applications from the ground up: GetX (fiat-to-crypto via vouchers) and xMoney (bill payments, mobile load, and crypto-fiat conversions). Led migration from GCP monolithic architecture to an AWS serverless microservices architecture, reducing operational costs by 90%. Enforced engineering standards by introducing code templates, ESLint/Prettier, commit linters, and lint-staged/Husky, improving code quality and consistency across the team.
Software Engineer
98Labs 2018 - 2022
Developed and integrated an order management system for grocery ordering mobile apps, enabling real-time transaction efficiency. Led implementation of a digital COVID-19 certificate verification system, managing proprietary libraries for DID creation and digital certificate administration. Optimized private blockchain performance to a 4-second transaction speed using Redis for nonce counter storage, reaching 100+ TPS in load tests through mutex-based nonce conflict mitigation. Integrated Xendit for payment processing, delivering a secure payments system with authentication and API key safeguarding on first deployment.
Skills
full-stack
english