Michał Abram

Product Building

Custom App Development

I build digital products from an operator's perspective — not a software house. Product decisions and business risk first. The goal is not just to write an app — it is to build a product that can be validated and scaled.

Product with a clear PMF-first scope
Architecture ready for scale
Handover with full ownership for your team

In short

Custom App Development at ProLabs is not body leasing and not a software house model that simply delivers backlog items. We build digital products from an operator's perspective: product decisions and business risk first, then architecture, scope and development. The goal is not just to write an app — the goal is to build a product that can be validated, maintained and scaled without burning budget.

When Custom App Development makes sense

Situations where building a custom product is the right call:

Who this is for

Founders building first products

You want to build an MVP quickly but with version 2.0 in mind. You do not want to rewrite everything from scratch in a year.

Companies replacing manual processes with tools

You have a repetitive operational process that costs time and people. You need a tool that automates it without a large IT project.

Scale-ups extending product platforms

You have an existing product and want to add a new module or channel without engaging the entire engineering team.

VC-backed startups between rounds

You need to build a specific product against round metrics. Every sprint should be linear with investment KPIs.

What it covers

How the project runs

  1. 01

    Discovery

    Before a line of code: what do we want to validate? What is the business hypothesis? What is out of scope for MVP? How much time and budget do we have?

  2. 02

    Scope and architecture

    We define MVP scope, stack and architecture. Build vs buy decision for each component. Realistic estimation — not optimistic.

  3. 03

    Iterative development

    Two-week sprints with a demo after each. Ability to change direction based on feedback, not after 6 months.

  4. 04

    Launch and validation

    Deployment to production with monitoring, error tracking and analytics. We check whether the business hypothesis holds.

  5. 05

    Handover

    Full ownership transfer: codebase, documentation, runbook, onboarding for engineers. Your team takes over without a knowledge gap.

What you receive

What we measure

Time to first release — from decision to first deploymentCost per feature — development budget efficiencyDefect rate after handoverOnboarding time — how quickly your engineers take ownershipBusiness hypothesis — whether we validate what we planned

Frequently asked questions

How is ProLabs different from a software house?

A software house delivers a backlog. ProLabs starts with: what do we want to validate and what is the business risk of this build? Stack, scope and architecture decisions are made through the lens of PMF and scalability — not through the lens of a preferred technology.

Do you build MVP or production-ready products?

Depends on context. If the business hypothesis is unvalidated — MVP with the smallest possible scope. If you have PMF and want to scale — production-ready architecture from the start. I do not build "MVP that needs a rewrite in 6 months" without reason.

What technologies?

Stack decisions are always contextual — they depend on the product, the team taking ownership and the planned scale. Most commonly: TypeScript / React / Next.js frontend, Node.js / Python backend, cloud-native deployment. I fit the stack to the problem, not the other way around.

How long does a project take?

MVP in 6–10 weeks is realistic for small scopes. More complex products: 3–6 months. Critical is tight scoping upfront — no scope creep.

What happens after the project?

Handover with full documentation. Your team takes ownership. I can remain as Fractional CTO or tech advisor if you need continuity in technology decisions.

Related services

Let's discuss your challenge

30 minutes, no presentation. Concrete diagnosis and a plan for next steps.