Bryan Mangle

Led architectural design and implementation of scalable, AI-driven solutions using Generative AI, improving public-sector client workflows by 50% and accelerating project delivery by 30% through backlog refinement and cross-functional collaboration. Conducted comprehensive technical prioritization with cross-functional teams, reducing bottlenecks and improving delivery timelines across multiple workstreams while upholding high engineering standards. Designed and launched an AI-powered documentation system using LangChain, OpenAI, and Pinecone vector database, automating 85% of manual data entry and delivering $200K annual cost savings with 90% accuracy. Built a real-time collaboration platform with Next.js, WebSocket, and Kafka, supporting 100K+ concurrent users with sub-200ms latency across global regions. Optimized GraphQL API layer and database queries through strategic caching (Redis) and indexing strategies, reducing average API response time by 70% (from 800ms to 240ms) and lower

Led solution design initiatives integrating LLM and RAG methodologies enabling rapid feature deployment aligned with client needs, resulting in a 25% increase in client satisfaction. Implemented RESTful API with Express and PostgreSQL supporting 500K+ daily requests across 20+ endpoints. Built a responsive admin dashboard using React and Redux, reducing customer support tickets by 40%. Collaborated with product and design teams to deliver a mobile-first e-commerce platform, increasing mobile conversions by 25%. Refactored legacy jQuery codebase to React components, improving page load time by 3 seconds and reducing bundle size by 45%. Created automated testing suite with Jest and Cypress achieving 80% code coverage and catching 30+ bugs pre-production.

Built user authentication system using Node.js, Express, and JWT for a SaaS serving 20,000+ users. Implemented responsive landing pages with React and TailwindCSS, improving mobile user engagement by 30%. Developed REST API endpoints handling user data and file uploads using Express and MongoDB. Contributed to e-commerce platform by implementing shopping cart functionality with Redux state management.