Freelance Software Engineer · Switzerland
Hire a Senior Full-Stack Engineer who ships in production
I am Roberto Mazzotta. Over 10 years writing code that runs in production for Swiss clients and global companies. I build web applications, APIs, Claude and OpenAI integrations, and automation that solves real business problems. Fixed price. Clear timelines. No surprises.
Production proven
10+ 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.
Fixed price, clear scope
Three engagement models with upfront pricing. You always know what you pay and what you get.
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.Packages & Pricing
Sprint
from CHF 3,900
1 to 2 weeks
Landing pages, small tools, focused fixes. Perfect when you need something live quickly.
Build
from CHF 8,900
3 to 6 weeks
MVPs, complete web applications, dashboards. Full architecture from day one.
Retainer
from CHF 1,800 / month
Monthly
Reserved hours each month. Proactive improvements. A technical partner on call.
04.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.
What is your hourly rate?+
Median CHF 160/h. Range CHF 120–220/h depending on scope and urgency. Most engagements go through fixed-price packages.
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?
Tell me what you are working on. I usually reply within 24 hours.
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