AvailableFrom Q1 2027

No agency. No handoffs. Just the engineer who builds it.

Startups hire me to turn an idea into a product that's live, tested and easy to keep changing. Enterprise teams hire me for the cloud migration, the pipeline or the tech lead they can't staff in time. Either way, you work with the person writing the code.

// startup.tsimport { engineer } from "@cerberus/core";export default engineer({  role: "principal engineer",  client: "startup",  starts_with: "discovery-sprint",  ships: "first-version",  cloud: "your-accounts",  ci_cd: "from-day-one",  handoffs: 0,});
// scaleup.tsimport { engineer } from "@cerberus/core";export default engineer({  role: "principal engineer",  client: "startup",  role: "tech-lead",  owns: ["architecture", "pipeline"],  cloud: "as-code",  hands_to: "your-hires",  handoffs: 0,});
// enterprise.tsimport { engineer } from "@cerberus/core";export default engineer({  role: "principal engineer",  client: "enterprise",  role: "senior-engineer",  scope: ["migration", "ci-cd"],  works_in: "your-policies",  measured_in: "time-to-release",  handoffs: 0,});
In production
11years
Shipping software since 2015.
Engagements
13shipped
Greenfield builds and rescues of existing systems.
Clients
5countries
Austria, Germany, Switzerland, Ireland, Hungary.
Your team
1engineer
No bench, no handoffs. Run from Budapest, on CET.

What I do

Build

The product your users touch.

The web and mobile product your customers use, including AI features that work with your own data.

  • AI features

    Assistants and automation that answer from your own data, tested and maintained like the rest of the product.

    LLM APIs · Local models · RAG · Agents

  • Web applications

    The whole product, from screen to database, built by one person, so changes ship without hand-offs.

    React · Next.js · TypeScript · Node.js · NestJS

  • Mobile apps

    iOS and Android apps that stay in step with the web product, without a separate team.

    React Native · Expo · PWA

Run & lead

The platform it runs on.

Where the product runs, how changes reach users, and the technical leadership to keep a growing team shipping.

  • Architecture that fits

    The simplest structure that does the job today and can grow later. Not microservices for their own sake.

    Monolith · Microservices · Monorepo · Docker · Kubernetes

  • Cloud infrastructure

    Runs on the cloud you already use, written down as code so it can be rebuilt, audited and handed over.

    AWS · Azure · GCP · Cloudflare · Terraform

  • Reliable releases

    Every change is tested and released the same way, so shipping is routine.

    CI/CD · GitHub Actions · Azure DevOps

  • Technical leadership

    Technical direction, code standards and mentoring, and help hiring your first engineers.

    Architecture · Fractional CTO · Hiring

Which sounds like you

For startups

From an idea to a first version real users can use.

I start with a short, fixed-price discovery sprint that ends in a written scope, plan and estimate — yours to keep whether or not you continue with me. If the first version is funded, I build it, set up the hosting and automated releases behind it, and take it live, ready for later hires to take over.

Start with a discovery sprint →
  1. Discover

    ends in a scope and estimate

    I look at the product and anything that already exists, and write the trade-offs down.

  2. Plan

    you decide whether to build

    The simplest architecture that does the job today and can grow with you.

  3. Build

    cadence weekly

    The whole product, end to end, on accounts you own, with automated testing and releases from day one. A working demo every week.

  4. Hand over

    you keep everything

    Documentation and monitoring in place. Continue on a light retainer, or hand to your own team.

For startups

A technical lead for the stage after the first version.

The product works, the team is growing, and nobody owns the architecture, the pipeline or the cloud bill. I take the lead: set the technical direction, make releases and infrastructure dependable, and help you hire and grow the engineers who take it from here.

Discuss technical leadership →
  1. Review

    takes 1–2 weeks

    Architecture, code, cloud and how the team ships today.

  2. Direct

    ends in a written plan

    A technical roadmap the team can follow, with priorities agreed with you.

  3. Lead

    cadence weekly

    Release process, infrastructure and standards in place, while reviewing and mentoring the team.

  4. Hire

    you keep the team

    Help hire the senior engineer or CTO who takes over the role.

For enterprise

A senior engineer and tech lead for the work your teams can’t absorb.

A cloud migration, a CI/CD overhaul, a service nobody owns, a delivery process that has slowed to a crawl. I work inside your team, your tools and your security policies, own the outcome, and leave it documented for your people.

Discuss an engagement →
  1. Assess

    takes 1–2 weeks

    Systems, pipelines and how work moves to production, including talking to the people doing it.

  2. Plan

    ends in a report you own

    Written findings and a plan, in order of impact, aligned with your architecture and compliance.

  3. Deliver

    measured in time to release

    Migrate, automate and fix alongside your engineers, inside your rhythm.

  4. Hand back

    you keep the knowledge

    Documented and maintainable. Ownership returns to your team.

Ways to engageSix formats, from a fixed-price discovery sprint to an embedded lead. Each with a clear start, end and price.See engagements →

Work that's live today.

Client names stay confidential. Sector, scope and team context are described in full.

All engagements →
  1. 2024 — 25

    Art Exhibition & Guest Experience Platform

    The platform behind an iOS app for major international art exhibitions, recognising artworks and scheduling guest events.
    Culture & eventsBasel, CH
  2. 2025 — 26

    3D Printer Fleet Management, Web & Kiosk

    On-device kiosk workflows and a web administration surface for maintaining fleets of 3D printers.
    ManufacturingRemote, EU
  3. 2020

    Auto Glass Service ERP Platform

    A business-critical system spanning a call centre, a public damage-assessment site and an offline-capable app for technicians.
    Enterprise & ERPDublin, IE

Tell me what you're building.

A few sentences on the product, where it stands and how your team is set up is enough. You'll get a direct reply within two working days — from me, not a sales inbox.

info@cerberus.huPrefer a call? Mention it and I'll send times.

I am
What are you building, and where does it stand?

e.g. A B2B marketplace for industrial spare parts. We have designs and two pilot customers.

e.g. Seed-funded, four developers, deploys are manual and nobody owns the architecture.

e.g. We are moving three services to Azure next quarter and releases still take two days.

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