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Solventist

Services

Only what we actually build. We would rather leave work off this list than learn it on your budget.

  1. Backend and API

    Where the business rules live. Multi-tenant data isolation, a role and permission matrix, authentication, a versioned API surface and a consistent error contract. Calculation stays in exactly one place on the server: write the same arithmetic twice and you will eventually quote two different prices.

    NestJS · TypeScript · Prisma · PostgreSQL

  2. Web applications

    Admin panels and corporate sites. Server-rendered pages, real multilingual routing, and performance we measure rather than assume. Every field a panel shows has already passed a permission check on the server.

    Next.js · TypeScript · React

  3. Mobile applications

    iOS and Android from one codebase. Three things go into the first release or never: a forced-update check, a versioned API and feature flags. None can be retrofitted, and without them the old builds sitting in the stores dictate your roadmap for months.

    Flutter · Dart · FCM

  4. Deployment and infrastructure

    How code reaches the server is part of the job. Each client gets its own database and its own database user. Backups live with a second provider and are restore-tested — an untested backup is not a backup. Nothing is pushed straight to the main branches: pull request plus one approval, with every request checked by CI.

    Docker · Coolify · Cloudflare R2 · GitHub Actions

How we work

  • Scope is written down first — and what is out of scope is stated as plainly as what is in it.
  • Rules and arithmetic live on the server. The front end formats; it does not decide.
  • A field you are not allowed to see is absent from the response, not hidden in the UI. Hiding is a design choice; omitting is security.
  • No breaking API changes. Fields get added — never removed, never retyped.
  • Mobile apps are published from your own store account. The app belongs to you.