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MVP development for startupsAvailable now

An MVP built by a senior developer, not an agency's juniors.

Founders come to me when they need a product in the market without hiring a team or paying agency overhead. I scope with you, build in short iterations, and put working software in front of users early so we can change course before it gets expensive. I also build my own products, so I know what it is like to be on your side of the table.

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Is this a fit?

An honest fit check before we talk

I would rather tell you no on the first call than waste your budget. Here is what a good match looks like for this kind of work.

A good fit if

  • You are a founder with a validated idea and need a web or mobile MVP in weeks, not quarters.
  • You want a senior developer who will challenge the scope and help you ship the smallest thing that proves the point.
  • You want the same person to stay on after launch and grow the product with you.
  • You need web and mobile and do not want to build it twice.

Probably not a fit if

  • You need a technical co-founder working for equity. I work for fees, with a free intro call and honest advice included.
  • You want the cheapest possible build and plan to throw it away. That is fine, but I am probably not the right fit.
  • You need design, branding and marketing in the same contract.

What I do

What the engagement typically covers

Scope to the smallest useful product
A free intro call and a short proposal. We cut everything that does not prove the idea, and write down what version two looks like.
Build in short iterations
Something in production in the first weeks, a weekly written update, and a demo you can show investors and early users.
Web, mobile or both
Next.js for web, Expo for iOS and Android, one TypeScript codebase and one set of APIs. Payments and authentication included where needed.
A foundation that survives success
Clean code, tests where they matter and documentation, so the MVP can become the real product instead of being rewritten.

Proof

Clients who kept me around

Products built from zero, including one where I was a partner, plus my own products Tiltiden and Ønsker.dk.

  1. Esports · Gaming

    2 years

    eManager

    Full-Stack Developer & Partner · Full-time

    Co-built an esports tournament platform with a fantasy manager game from the ground up: product decisions, architecture and code, as a partner in the company.

    Read the case study
  2. Climate tech · LCA

    2 years

    Målbar

    Full-Stack Developer · Freelance

    Ongoing development for a Danish life cycle assessment company. I have helped build their LCA screening tool, which lets companies estimate the climate footprint of their products, along with the internal tooling the team runs on every day.

    Read the case study
  3. E-commerce · Fintech

    1 year

    Storebuddy

    Frontend Developer · Freelance

    Frontend for a platform that automates bookkeeping for webshop owners and flags imbalances on orders, turning messy e-commerce data into something an accountant can trust.

    Read the case study
  4. Construction · Building physics

    Project

    Bunch Bygningsfysik

    Full-Stack Developer · Freelance

    Built a moisture content calculator for construction compositions. Their existing calculation module already had years of building physics expertise baked in, so I kept it as the engine and put a modern, easy to use web UI on top of it instead of rewriting what worked.

    Read the case study

See all case studies and the full tenure ledger

Process

How we'll work together

The same four steps for a two-day fix and a two-year engagement.

  1. 01

    Intro call

    A free 30-minute call where you tell me about your project, goals and constraints. I ask a lot of questions and tell you honestly whether I'm the right fit.

  2. 02

    Proposal & estimate

    You get a short written proposal: scope, approach, timeline and price. Fixed price for well-defined projects, hourly or retainer for ongoing work.

  3. 03

    Build in the open

    Short iterations, working software early, and a weekly update you can actually read. You see progress and can change course before it gets expensive.

  4. 04

    Launch & support

    I handle deployment, hand over clean documentation, and stick around for support and further development if you want me to.

FAQ

Questions I get asked

How long does an MVP take?
Most MVPs I build take four to ten weeks to first release, depending on scope. Anything that needs much longer is probably not minimal yet, and we will talk about that on the call.
Do you work fixed price?
Yes, for a well-defined MVP scope. For ongoing development after launch a retainer works better. Both are in the proposal.
What if we need to change direction halfway?
That is expected. Short iterations and weekly updates exist so you can change course early, while it is cheap. We adjust the scope and the proposal together.
What happens after launch?
I stick around. Most of my clients have kept me for one to six years, first for the build and then for support and further development. A retainer of reserved weekly hours is the usual shape, but ad hoc work is fine too.
Is one developer a risk for us?
Code lives in your repositories from day one, written so the next developer can pick it up. Documentation and handover are part of every engagement, not an extra. My track record is long tenures, which is continuity, not dependency.
How quickly can you start?
I keep my availability status up to date on the homepage. If it says available, I can usually start within one to two weeks. The first step is a free 30-minute intro call.

Contact

Tell me what you are building

What it is, roughly when it needs to exist, and what a great result looks like. I usually reply within a day, and the first 30-minute call is free.

hello@perhp.com