Alessandro Barzanti

ALESSANDRO BARZANTI Senior Full Stack TypeScript Developer — React / Node.js / Cloud / AI Remote-First • Direct Invoicing Available PROFESSIONAL SUMMARY Senior Full Stack Engineer with more than twenty years of experience building production ready web applications across React, Next.js, Node.js and cloud native platforms. I specialise in TypeScript ecosystems, modern API design, scalable architectures and cloud infrastructure that supports high performance systems. My recent work focuses on AI powered product experiences using OpenAI and Vercel AI SDK and I regularly design full stack solutions that blend strong engineering practices with rapid delivery. I am looking for remote contract roles in high impact product teams that need senior ownership, technical leadership and reliable delivery. CORE STRENGTHS • End to end architecture for modern TypeScript stacks • Leadership of small high performing engineering teams • AI integration and UX prototyping for real product features • Cloud infrastructure across AWS, GCP and Azure • Fast delivery of complex frontends and backend systems TECHNICAL SKILLS Languages: TypeScript, JavaScript, Python Frontend: React, Next.js, Vite, Material UI, Zustand, HTML5, CSS3 Backend: Node.js, GraphQL, REST APIs, Prisma, Supabase, Serverless Framework, FastAPI Cloud & DevOps: AWS (Lambda, EC2, S3, DynamoDB, API Gateway), GCP (Cloud Run, BigQuery), Azure, Terraform, Docker, Kubernetes Databases: PostgreSQL, DynamoDB, MongoDB, BigQuery, ClickHouse, Redshift Testing: Playwright, Cypress, Vitest, Jest CI/CD: GitHub Actions, Terraform, Docker, Kubernetes AI/ML: OpenAI API, Vercel AI SDK, LLM Integration, AI-enhanced UX Prototyping PROFESSIONAL EXPERIENCE Lead Full Stack Engineer (Contract) | Sep 2023 – Mar 2025 NewDay • Planned and executed complete system rewrite, achieving ~20% processing efficiency improvement • Led team of 4 engineers; delivered 15+ new features on schedule with 99.9% system uptime • Oversaw 12 major releases and 50+ minor updates across fraud detection and dispute resolution modules Technologies: React, Vite, MaterialUI, TypeScript, GraphQL, Node.js, Azure Lead React Engineer (Contract) | May 2022 – Aug 2023 Ambassador Theatre Group • Delivered 6 new US sales websites in 12 months using shared design system, cutting development time ~50% • Planned and maintained company-wide design system adopted by 4 teams, reducing UI inconsistencies ~30% • Improved team velocity ~15% through process refinements and tooling improvements Technologies: React, Next.js, MaterialUI, Style Dictionary, GraphQL, AWS Lambda, DynamoDB Senior/Lead Frontend Engineer (Contract) | Dec 2021 – Apr 2022 UsTwo • Delivered beta platform 2 weeks ahead of schedule with real-time matchmaking and chat features • Built scalable frontend architecture supporting thousands of concurrent users • Implemented real-time engagement features targeting ~40% user engagement uplift Technologies: React, Next.js, GraphQL, Prisma, AWS Lambda, API Gateway, DynamoDB Co-CTO | Mar 2020 – Oct 2021 Scale8 • Architected and implemented full UI with strong usability feedback; led product to #5 Product Hunt of the Day • Engineered TypeScript + InversifyJS backend with GraphQL; integrated BigQuery, Stripe, S3 • Designed CI/CD pipeline with GitHub Actions, cutting deployment times ~25% • Built multi-product subscription payments, invoicing, and billing infrastructure Technologies: TypeScript, React, Next.js, GraphQL, Node.js, MongoDB, GCP (Cloud Run, BigQuery) Senior Software Engineer (Contract) | May 2019 – Mar 2020 Arqiva • Led AWS Lambda serverless migration, improving scalability and reducing infrastructure costs ~30% • Delivered multiple time-critical features for manufacturer testing and certification Technologies: TypeScript, AWS Lambda, API Gateway, DynamoDB Senior Full Stack Developer (Contract) | Jan 2010 – Dec 2019 Multiple Clients: LifeWorks, Venatus Media, Ogilvy • LifeWorks: Built employee wellness platform features serving enterprise clients across North America • Venatus Media: Developed high-performance ad-serving interfaces handling millions of daily impressions • Ogilvy: Delivered interactive campaign microsites and data visualization dashboards for global brands Technologies: JavaScript, React, Node.js, AWS, PostgreSQL, MongoDB Software Engineer | 2000 – 2009 Various Companies • Early career roles building web applications and backend systems, establishing foundation in software engineering principles OPEN SOURCE & PROJECTS SupabaseAuthKit — Creator & Maintainer Open-source full-stack Next.js + Supabase starter with JWT-based role management, custom claims, and production-grade RBAC using Row Level Security. Demonstrates AI integration patterns with Vercel AI SDK. Tech: TypeScript, Next.js, Supabase, PostgreSQL, Vercel, JWT, RLS Scale8 Tag Manager — Co-Creator & Lead Developer Privacy-first, GDPR/CCPA/PECR-compliant open-source Tag Management and Analytics solution. Reached #5 Product of the Day on Product Hunt. Tech: TypeScript, React, Next.js, GraphQL, Node.js, GCP EDUCATION BSc Computer Science | Università di Bologna | 2002