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Software engineering

Custom web application development

Custom SaaS, internal tools, customer portals and B2B web apps — engineered in TypeScript, Python and Go on a stack you can hire for.

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Free 2-hour discovery → fixed-scope build · Month-to-month run, no lock-in · Full pricing guide →

Outcomes

What you walk away with

Stack

Technologies we build on

Boring on purpose, hireable by design: TypeScript + Node.js for application code, Python for data work and automation, Go where raw throughput matters, React/Astro on the front end and PostgreSQL underneath. Infrastructure runs on EU cloud (Hetzner, AWS eu-, Cloudflare) with monitoring, backups and CI from day one. No resume-driven tech — every choice is something your next developer can pick up.

Industries

Where our applications run

Recent production systems include a surveying-office information system (geodesy), an e-invoicing comparison platform (fintech/compliance) and a retail point-of-sale ecosystem — plus e-commerce back-offices and B2B portals for manufacturing and wholesale. For the build-side detail, see custom software development.

MVP

First version in 4–8 weeks

You don't need the whole roadmap to start — you need the one workflow that proves the value. We cut the spec to a working MVP, ship it in 4–8 weeks, and grow it in two-week sprints against real user feedback. That keeps the first invoice small and the risk contained.

What you get

Built for measurable results

How we work

A clear process — no surprises

  1. 1

    Discovery

    Two hours, free. We map your domain, users and constraints — and tell you honestly if off-the-shelf is the better call.

  2. 2

    Spec

    A written PRD: the must-haves, the nice-to-haves, and the cuts we make on purpose to hit your budget.

  3. 3

    Architecture

    Stack chosen, infrastructure costed, integrations diagrammed before a line of production code is written.

  4. 4

    Sprint cycles

    Two-week ships with a weekly demo. Every pull request reviewed, ad-hoc Slack access throughout.

  5. 5

    Run

    Monitoring, backups, security patches and a feature roadmap — month-to-month, cancel any time.

FAQ

Questions buyers ask first

How do you price a custom web application?

After a free two-hour discovery we write a fixed-scope spec and quote against it, so you approve the number before we build. The ongoing run is a separate month-to-month fee with no lock-in.

How quickly will we have something usable?

We ship in two-week sprints, so you see a working slice within the first month rather than waiting for a big-bang launch. A focused first version typically reaches production in 6–12 weeks depending on scope.

Can you build on top of and integrate with our existing systems?

Yes — that's the norm. We connect to your CRM, ERP, billing and data sources through documented API contracts, message queues or ETL, instead of replacing tools that already work.

Who owns the code, and where is it hosted?

You own the code and all IP outright — full repository access, documented handover, no black-box dependency on us. We host on EU infrastructure (Hetzner, AWS eu-, Cloudflare EU) so your data stays in the EU — GDPR-friendly, with a DPA on request.

Do you also build mobile apps?

We build mobile-ready applications as PWAs and responsive web apps — one codebase that runs on every device, installs to the home screen and skips app-store fees and review queues. Where a native app is genuinely the better call, we'll say so in the discovery.

Proof

Recent custom web application development projects

Case studies where this service moved a real number.

All case studies →

Let's talk about Custom web application development

Free consultation, no commitment. We'll show you what's possible for your business.