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Alessandro BarzantiAB
Open to opportunities

Alessandro Barzanti

@alessandrobarzanti

Senior Full Stack Engineer

Italy
Message

What I'm looking for

I look for remote contract roles where I can solve complex technical problems, shape architecture, and take ownership of delivery while mentoring teams when needed.

Senior Full Stack Engineer with twenty plus years delivering scalable production ready web applications with React, Next.js, Node.js and cloud native architectures on AWS, GCP and Azure. Expert in modern TypeScript stacks, API first development and serverless systems. Currently exploring LLM integrations and AI enhanced UX with TypeScript and Vercel AI SDK. Seeking remote contract roles in high impact product teams building modern cloud and AI enhanced applications.

Experience

Work history, roles, and key accomplishments

NewDay logoNE

Lead Full Stack Engineer

Sep 2023 - Mar 2025 (1 year 6 months)

• 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

AG

Lead React Engineer

Ambassador Theatre Group

May 2022 - Aug 2023 (1 year 3 months)

• 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

US

Senior/Lead Frontend Engineer

UsTwo

Dec 2021 - Apr 2022 (4 months)

• 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

SC

Co-CTO

Scale8

Mar 2020 - Oct 2021 (1 year 7 months)

• 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

AR

Senior Software Engineer

Arqiva

May 2019 - Mar 2020 (10 months)

• Led AWS Lambda serverless migration, improving scalability and reducing infrastructure costs ~30%
• Delivered multiple time-critical features for manufacturer testing and certification

VI

Software Engineer

Various Companies — Italy

May 2000 - Oct 2009 (9 years 5 months)

• Early career roles building web applications and backend systems, establishing foundation in software engineering principles

Education

Degrees, certifications, and relevant coursework

UB

Università di Bologna

BSc, Computer Science

Graduated with a Bachelor of Science in Computer Science.

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Alessandro Barzanti - Lead Full Stack Engineer - NewDay | Himalayas