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Service 01

Web & Product Engineering

We turn product ideas and legacy systems into fast, reliable web software. Senior engineers own the architecture end to end, from the data model to the last pixel, so what we ship is maintainable long after launch.

What we deliver

  • SaaS products and customer portals
  • Internal tools and workflow automation
  • Public and private APIs (REST, GraphQL, gRPC)
  • Legacy modernisation and re-platforming
  • Performance, accessibility and security hardening
  • Technical documentation and handover

(01)Approach

How we approach it.

  1. 01

    Architecture first

    We map domains, data and integrations before writing features, so the system grows without rewrites.

  2. 02

    Ship in slices

    Every two weeks you get working software in a real environment, not slideware.

  3. 03

    Quality built in

    Typed code, automated tests, code review and CI from the first commit.

Typical stack

  • TypeScript
  • React
  • Next.js
  • Astro
  • Node.js
  • .NET
  • C#
  • ASP.NET Core
  • Go
  • Python
  • SQL Server
  • PostgreSQL
  • Redis
  • GraphQL

We recommend tools per project. Your existing stack is always a valid starting point.

(02)Related work

(03)FAQ

Frequently asked questions.

Can you take over an existing codebase?

Yes. We start with a short technical audit, share a written report on risks and quick wins, and then agree on a plan to stabilise and extend the product.

Who owns the code?

You do. All source code, infrastructure and documentation are yours from day one and live in your repositories.

Now booking projects for Q1 2027

Have a project in mind?Let’s build it properly.

Start a projecthello@jassol.net