Patrick M Fay

Senior Full Stack Engineer

Anthropic

Jun 2023 - Current (3 years 3 months)

• 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 the architecture of a real-time collaborative platform using WebSockets, CRDTs, and Python, enabling seamless multi-user editing with sub-200ms sync 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/day, improving Claude's fine-tuning efficiency by 30%. • Spearheaded developer to

Senior Full Stack Engineer

Audius

Jan 2021 - Apr 2023 (2 years 4 months)

• 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 a high-performance Ruby (Ruby on Rails) backend for real-time audio streaming, scaling to 1M+ monthly active users with 500ms API response times.

Senior Full Stack Developer

Omada Health

Mar 2018 - Nov 2020 (2 years 9 months)

• Spearheaded the development of patient-facing health tracking features using Angular, TypeScript, and 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%. • Led a cross-functional team to rebuild the legacy Ruby on Rails monolith into microservices (Node.js, Go), cutting deployment times by 60% and improving system reliability. • Designed and optimized HIPAA-compliant data pipelines with PostgreSQL and Kafka, ensuring secure processing of sensitive patient health records. • Introduced end-to-end testing (Cypress) and monitoring (Datadog, Sentry

Software Developer

Bluecore

Sep 2016 - Feb 2018 (1 year 6 months)

• 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 metrics with sub-second latency. • Involved the migration of legacy monolithic systems to microservices architecture, reducing API response time by 40% and improving scalability. • Designed a RESTful API for third-party integrations, increasing partner adoption by 25% and streamlining e-commerce workflows. • Implemented automated testing (Jest, PyTest) and CI/CD pipelines (Jenkins, Docker), cutting deployment failures by 50%.

Web Programming Teacher and Leader Project

UW-Milwaukee

Sep 2014 - Jul 2016 (1 year 11 months)

• Development of course materials by reviewing and providing feedback on homework assignments, recitation materials, and exams • Facilitated student comprehension of complex systems-level programming concepts by conducting weekly office hours, offering personalized assistance to students

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