I am a 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.

Alessandro Barzanti

I am a 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.

Available to hire

I am a 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.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Fluent
Italian
Fluent

Work Experience

Lead Full Stack Engineer (Contract) at NewDay
September 1, 2023 - March 1, 2025
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.
Lead React Engineer (Contract) at Ambassador Theatre Group
May 1, 2022 - August 1, 2023
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.
Senior/Lead Frontend Engineer (Contract) at UsTwo
December 1, 2021 - April 1, 2022
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.
Co-CTO at Scale8
March 1, 2020 - October 1, 2021
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.
Senior Software Engineer (Contract) at Arqiva
May 1, 2019 - March 1, 2020
Led AWS Lambda serverless migration, improving scalability and reducing infrastructure costs ~30%. Delivered multiple time-critical features for manufacturer testing and certification.
Senior Full Stack Developer (Contract) at Multiple Clients: LifeWorks, Venatus Media, Ogilvy
January 1, 2010 - December 1, 2019
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.
Software Engineer at Various Companies
January 1, 2000 - January 1, 2009
Early career roles building web applications and backend systems, establishing foundation in software engineering principles.
Freelance Full Stack Engineer at Self-Employed
April 1, 2025 - Present
Building React and Next.js applications with clean architecture and focus on developer experience; Developing backend APIs using Node.js and FastAPI with scalable, maintainable patterns; Architecting Supabase-based solutions with PostgreSQL, Row Level Security, and real-time features; Integrating AI capabilities using OpenAI API and Vercel AI SDK to enhance product experiences; Delivering end-to-end product features from prototyping to production deployment.

Education

BSc Computer Science at Università di Bologna, Italy
January 11, 2030 - January 1, 2002
BSc Computer Science at Università di Bologna
January 11, 2030 - January 1, 2002
BSc Computer Science at Università di Bologna, Italy
January 11, 2030 - January 1, 2002

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Media & Entertainment, Financial Services