Patrick M Fay

Senior Full Stack Engineer at Anthropic

Developed AI-powered full-stack applications integrating Claude LLM APIs with React/TypeScript frontends and Python FastAPI backends, boosting internal tooling productivity by 40%. Led architecture of a real-time collaborative platform using WebSockets, CRDTs, and Python, enabling seamless multi-user editing with sub-200 ms sync latency for AI training data workflows. Optimized LLM inference pipelines on GPU with PyTorch and CUDA, reducing API response times by 60%.

Senior Full Stack Engineer at Audious

Led full-stack development of decentralized music streaming features using React, TypeScript, and Solana/Web3.js; contributed to a 40% increase in user onboarding and reduced frontend latency by 30%. Engineered smart contract integrations (Solidity, Ethereum, Solana) for artist payouts and NFT-based rewards, processing $5M+ in transactions with 99.9% uptime. Designed a high-performance Ruby on Rails backend for real-time audio streaming, scaling to 1M+ MAU with 500 ms API response times. Built analytics dashboards (Elasticsearch, Metabase) to track user growth and artist engagement, lifting premium subscriptions by 25%.

Senior Full Stack Developer at Omada Health

Led patient-facing health tracking feature development using Angular, TypeScript, Node.js, and Go, improving user engagement by 35% and reducing UI load time by 25%. Architected scalable backend services (AWS Lambda, Serverless, GraphQL) to synchronize real-time health data across 100K+ users, reducing latency by 50%. Led efforts to migrate a legacy Ruby on Rails monolith to microservices (Node.js, Go), cutting deployment times by 60% and improving reliability. Crafted HIPAA-compliant data pipelines with PostgreSQL and Kafka, ensuring secure processing of sensitive health records. Introduced end-to-end testing (Cypress) and monitoring (Datadog, Sentry), reducing production incidents by 40% and accelerating bug resolution. Mentored junior engineers in best practices (Angular, CI/CD).

Senior Full Stack Developer at Bluecore

Drove real-time analytics dashboards with D3.js and WebSockets to help clients track customer engagement with sub-second latency. Migrated legacy Ruby on Rails monolith to microservices (Node.js, Go), cutting deployment times and improving reliability. Built marketing automation features and robust email campaign tooling using C#/.NET and PostgreSQL, improving campaign performance by ~30%.

Web Programming Teacher and Lead Project at UW-Milwaukee

Developed course materials, provided feedback on homework and exams, and led project-based instruction. Facilitated student comprehension of complex system-level programming concepts through weekly office hours and personalized support.

Senior Full Stack Engineer at Anthropic

Developed AI-powered full-stack applications integrating Claude LLM APIs with React/TypeScript frontend and Python (FastAPI) backend, built internal tools. Led the architecture of a real-time collaborative platform using Web Sockets, CRDTs, and Python, enabling seamless multi-user editing with sub-200 ms latency for AI training data workflows. Optimized LLM inference pipelines by implementing GPU-accelerated batch processing (PyTorch, CUDA) and caching layers (Redis), reducing API response times by 60% under load. Built scalable data ingestion systems (Kafka, PostgreSQL) to process and label 1M+ training samples per day, improving Claude's fine-tuning efficiency by 30%. Spearheaded tooling around prompt engineering (CLI tools, VS Code plugins) adopted by 90% of the research team. Enforced AI safety guardrails via runtime validation layers and audit logging, achieving 100% compliance with model output policies.

Senior Full Stack Engineer at Audious

Led full-stack development of decentralized music streaming features using React, TypeScript, and Solidity, Ethereum, Solana-based tech, driving a 40% increase in user onboarding and reducing frontend latency by 30%. Engineered smart-contract integrations for artist payouts and NFT-based rewards, processing $5M+ in transactions with 99.9% uptime. Designed high-performance Ruby (Ruby on Rails) backend for real-time audio streaming, scaling to 1M+ monthly active users with <500 ms API response times. Built analytics dashboards (Elasticsearch, Metabase) to track user growth and artist engagement, enabling subscription growth by 25%. Optimized decentralized storage (IPFS, Arweave) for media data and audio files, reducing retrieval costs by 50% while maintaining censorship resistance. Introduced end-to-end testing (Cypress) and monitoring (DataDog, Sentry), reducing production incidents by 40% and accelerating bug resolution. Mentored junior engineers in full-stack best practices (Angular,

Software Developer at Bluecore

Developed and optimized high-traffic marketing automation features using C# (.NET), JavaScript (React/Redux), and PostgreSQL, improving email campaign performance by 30%. Built real-time analytics dashboards with D3.js and WebSockets, enabling clients to track customer engagement with sub-second latency.

Web Programmer Teacher and Project Lead at University of Wisconsin–Milwaukee

Developed course material by reviewing and providing feedback on homework assignments, citations, and exams. Facilitated student comprehension of complex systems-level programming concepts by conducting weekly office hours and offering personalized assistance to students.

Senior Full Stack Engineer at Anthropic

Developed AI-powered full-stack applications integrating Claude LLM APIs with React/TypeScript frontends and Python (FastAPI) backends, enhancing user productivity by 40% in internal tools. Led architecture of a real-time collaborative platform using WebSockets, CRDTs, and Python, enabling seamless multi-user editing with sub-200 ms latency for AI training data workflows. Optimized LLM inference pipelines with GPU-accelerated batch processing (PyTorch, CUDA) and caching layers (Redis), reducing API response times by 60% under load. Built scalable data ingestion systems (Kafka, PostgreSQL) to process and label 1M+ training samples/day, improving Claude’s fine-tuning efficiency by 30%. Spearheaded developer tooling and enforced AI safety guardrails via runtime validation layers and audit logging, achieving 100% compliance with model output policies.

Senior Full Stack Engineer at Audius

Led full-stack development of decentralized music streaming features using React, TypeScript, and Solana (web3.js), driving a 40% increase in user onboarding and reducing frontend latency by 30%. Engineered smart contract integrations (Solidity, Ethereum, Solana) for artist payouts and NFT-based rewards, processing $5M+ in transactions with 99.9% uptime. Designed high-performance Ruby on Rails backend for real-time audio streaming, scaling to 1M+ monthly active users with 500 ms API response times. Built analytics dashboards (Elasticsearch, BigQuery) to track user growth and artist engagement, uncovering insights that boosted premium subscriptions by 25%. Optimized decentralized storage (IPFS, Arweave) for media assets, reducing retrieval costs by 50% while maintaining censorship resistance.

Senior Full Stack Developer at Omada Health

Spearheaded development of patient-facing health tracking features using Angular, TypeScript, Node.js, Go, improving user engagement by 35% and reducing UI load time by 25%. Architected a scalable backend service (AWS Lambda, Serverless, GraphQL) to handle real-time health data synchronization across 100K+ users, reducing latency by 50%.

Software Developer at Bluecore

Developed and optimized high-traffic marketing automation features using C# (.NET), JavaScript (React/Redux), and PostgreSQL, improving email campaign performance by 30%. Built real-time analytics dashboards with D3.js and Web Sockets to track customer engagement metrics with sub-second latency. Involved in migrating legacy monoliths to microservices (Node.js, Go), cutting deployment times by 60%.