Argie User

Launched an LLM-powered video automation platform serving 500+ daily users, reducing video production time from 45 minutes to under 2 minutes. Designed and deployed a production RAG system for medical queries with 95% response accuracy and source attribution.

Built a multi-strategy crypto trading bot supporting 5+ exchanges, processing $500k+ in trading volume with automated risk management. Designed and deployed a custom blockchain and block explorer indexing 100,000+ transactions daily while maintaining mainnet/testnet node uptime of 99.9%.

Optimized a loan management system serving 10,000+ daily active users, reducing monthly interest processing from 24+ hours to 1.5 hours (94% reduction) and saving $15,000+ annually in compute and operational costs. Implemented optimistic locking and audit logging to achieve 99.99% data integrity and built BigQuery analytics pipelines to reduce performance regression detection from days to hours.

Contributed to the full development lifecycle (design, code, testing) for client-facing APIs. Improved code quality through systematic code reviews and testing standards, and documented system architecture and APIs for internal and client reference.

Automated CI/CD pipelines with GitHub Actions, reducing manual deployment time from 45 minutes to 5 minutes per release (90% reduction). Architected a serverless image processing pipeline on AWS (Lambda + S3) processing 10,000+ images monthly with 99.9% reliability and introduced a Swagger automation pipeline for 20+ APIs.

Built production trading bots supporting 5+ exchanges with multi-strategy execution (arbitrage, market making, trend following), processing $500k+ in trading volume. Implemented blockchain event listeners indexing 100,000+ transactions daily for real-time wallet balance tracking for 5,000+ users and developed a React Native crypto wallet app downloaded by 2,000+ users.

Developed backend APIs in Java and NestJS for crypto wallet systems supporting 50,000+ active wallets. Designed database structures for high-transaction blockchain applications and maintained third-party systems, reducing critical bugs by 30%.

Built ERP systems using Java, Oracle DB, and Hibernate for 20+ enterprise clients and developed timesheet and employee tracking for 500+ employees. Implemented REST APIs and payment integrations (DragonPay) processing 10,000+ monthly transactions and migrated legacy PHP systems to Java to improve performance and maintainability.

Built a company website with booking and inquiry features. Provided IT support for networking and hardware across three office locations.

Earned a Bachelor of Science in Computer Science at Navotas Polytechnic College (2012–2016), covering coursework in data structures and algorithms, database systems, software engineering, networking, and operating systems.