Is Roberto Mazzotta available for remote work?

Yes. Remote worldwide. Based in Cham, Zug, Switzerland, time zone CET.

What tech stack does Roberto Mazzotta use?

TypeScript, React, Next.js, Angular, .NET Core, Node.js, Python, PostgreSQL, MongoDB, Docker, Azure, Vercel. AI: Claude (Anthropic), MCP, OpenAI, LangChain, Vercel AI SDK, RAG with vector databases.

How quickly can you start a project?

Typically within 1–2 weeks of our first call, depending on current retainer load. Sprint projects can sometimes start within days.

Freelance Software Engineer · Switzerland

Hire a Senior Full-Stack Engineer who ships in production

I am Roberto Mazzotta. Over 14 years writing code that runs in production, with the care I learned in banking, insurance and public-sector projects. I build web applications, APIs, Claude and OpenAI integrations, and automation that solves real business problems for Swiss SMEs.

Available for remote contracts worldwide

Talk to Wealthior Labs

Production proven

14+ years shipping software that real users depend on, from Swiss enterprise to modern SaaS.

Direct from the developer

No agency markup, no project manager layer. You talk to the person writing the code.

Built to standards

Reliable, maintainable, data-protection compliant. The discipline of regulated environments, applied to your build.

01.What I deliver

Full-Stack Web Applications

Modern web apps built with Next.js, React, TypeScript and Node.js. Admin panels, dashboards, SaaS products, internal tools.

APIs & Integrations

REST and GraphQL APIs. Third-party integrations (Stripe, Notion, Slack, etc.). Robust auth, rate limiting, observability.

AI Integrations

Claude and OpenAI integrations, RAG pipelines, MCP tooling, autonomous agents, LLM-powered features.

Automation & Workflows

n8n workflows, custom scripts, scheduled jobs, Telegram and Discord bots, email automation.

Landing Pages & Marketing Sites

High-conversion landing pages and portfolio sites. Fast, SEO-friendly, responsive.

Architecture & Code Review

Second-opinion code reviews, architecture audits, technical due diligence for investors or acquirers.

02.Process

01
Scope call (free, 30 min)
We align on the problem, success criteria, constraints, and timeline. You get an honest take on what is realistic.
02
Fixed quote in 48h
Clear scope document with deliverables, timeline, and fixed price. You approve before anything starts.
03
Weekly demos
Regular updates and live demos so you always see progress. Change requests are handled transparently.
04
Ship & support
Production deployment, documentation, handover. Optional retainer for ongoing improvements.

03.FAQ

Do you sign NDAs?+

Yes, I sign NDAs before any sensitive project discussion. Standard mutual NDA templates welcome.

Who owns the code?+

You do. Full IP transfer on final payment. No lock-in, no hidden license terms.

Do you work with agencies / white-label?+

Yes, selectively. Happy to work as a trusted senior engineer on your team under your brand.

How do pricing and packages work?+

Offer, packages and pricing run through Wealthior Labs. You get a clear, fixed quote after the first call.

Where are you based?+

Cham, Zug, Switzerland. I work remotely with clients worldwide and occasionally travel for kick-off meetings in CH and EU.

Which languages do you speak?+

English (C1 Cambridge), German (native Swiss German / Hochdeutsch), Italian (native), Thai (conversational).

Ready to start?

My offer and packages run through Wealthior Labs, where you find pricing, packages and contact.