Tyler Sacharow

Coursework: Honors Linear Algebra; Honors Multivariable Calculus; Data Structures and Algorithms; Computer Systems; Engineering Product Management

• Co-founded and led all engineering for a content protection product that shields web content from AI scrapers while keeping it fully readable to humans; built the core engine and the production system
• Accepted into a16z Speedrun, a competitive accelerator (up to $1M investment)

• Shipped production features for an AI-driven U.S. immigration platform across a full-stack TypeScript monorepo (Next.js, Node.js, Turborepo, PostgreSQL) serving visa applicants and enterprise employers
• Architected AI-driven data pipelines that process visa petitions and validate structured LLM outputs, reducing attorney case preparation time from an industry standard of 6–8 weeks to under 2 weeks
• Built end-to-end case management workflows handling O-1A, EB-1A, and EB-2 NIW visa applications with Doppler secrets management, pnpm workspaces, and automated CI/CD pipelines

• Built Penn Marketplace, a student marketplace for items and sublets serving 10,000+ users, with Next.js, Django REST Framework, PostgreSQL, and Redis
• Engineered a polymorphic listing API supporting 2 listing types through unified endpoints with 14 filterable fields, 8 database indexes, and N+1 query elimination
• Implemented Twilio SMS phone verification with Redis-cached codes gating an offer negotiation system with database-enforced spam prevention and automated content moderation

• Organizing exclusive VC firm visits (Notable Capital, Inspired Capital) in NYC for 25+ top student founders from Harvard, Princeton, Yale, Columbia, Penn, and other Ivy League universities
• Managing operations for an intercollegiate 501(c)(3) network connecting 120+ student entrepreneurs across technology, investing, and venture capital

• Co-founded an international competition reaching 350+ participants from 40+ countries, lowering entry barriers to advanced CS education
• Led problem development, outreach, and logistics for the Massachusetts Computer Science Olympiad
• Managed $50,000+ prize pool; secured sponsors (Google, JetBrains, Wolfram Alpha)

• 2x Finalist at YHacks 2026: top 10 in the Entertainment and Snap Lens Studio tracks (600+ participants)
• Created a full-stack social commerce platform in Next.js and TypeScript with a low-latency infinite-scroll UI/UX feed, AR avatar experience, and a social purchase system
• Created a client-side recommendation algorithm, converting each product into a 32-dimensional vector, using cosine similarity retrieval, reranking with 5 different signals, and L2 normalization

• Won at NexHacks 2026 (CMU), the largest hackathon on the East Coast (1,500+ participants)
• Built a Chrome extension that scrapes and synthesizes real user opinions from Reddit, YouTube, and expert review sites to generate product scores
• Created a personalized recommendation engine that ranks products based on aggregated community sentiment and forum discussions

• Built a full-stack coaching platform using AWS Lambda, API Gateway, and Amazon Bedrock to generate personalized gameplay feedback
• Designed a custom role-based performance algorithm that weights KDA, CS, vision score, and objective participation by player role
• Engineered data pipeline handling region-dependent Riot API endpoints and parsing raw match data into normalized scoring objects

• Created a cross-platform event discovery and management app using React Native, Expo, TypeScript, and a FastAPI backend
• Implemented real-time features using Supabase including user authentication, group messaging, event announcements, and media file sharing
• Integrated Apple Maps API with location-based event discovery, search functionality, and public/private event visibility controls