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TYPESCRIPT
TYPES
THAT HELP

TypeScript makes implicit contracts explicit – from Next.js and Angular to NestJS and CLI tools. We introduce it where it brings real relief.

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We areTypeScriptengineers

We use module boundaries, generics in moderation and strict tsconfig profiles – pragmatic instead of academic.

  • Monorepo and package boundaries with shared types
  • OpenAPI/zod integration for runtime and build-time safety
  • Refactoring paths out of JavaScript legacy
  • ESLint/Prettier and CI type gates
Image about: We are TypeScript engineers

Static analysis as a safety net

The compiler catches whole classes of errors before users see them – especially with changing API versions.

Structural typing

TypeScript models JavaScript realistically: duck typing remains possible while critical spots are still protected.

Illustration zu Static analysis as a safety net und Structural typing

DX & scaling

Autocomplete and navigation in large repos lower onboarding time – decisive for enterprise teams.

Interop with JS

Gradual adoption: new modules strictly typed, legacy fenced off until it amortises to replace.

Illustration zu DX & scaling und Interop with JS

Real Successes

Reference project ENRA: SAFE RIDE – DIGITAL INSURANCE
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ENRA

SAFE RIDE – DIGITAL INSURANCE

  • Enterprise
  • Webdesign
  • Node.js

Services &solutions

We introduce coding guidelines, migrate critical paths and automate checks in CI.

  • tsconfig stages, path aliases and project references
  • Shared types between client and server
  • Performance: build times and incremental tooling
  • Training and pairing for your developers
Image about: Services & solutions

API-first teams

DTOs as a single source of truth avoid drift between Swagger and UI models.

Large frontends

Design system props and page reducers get typed – refactors become predictable instead of roulette.

Illustration zu API-first teams und Large frontends

Whynextlevels?

Types are team communication. We prevent the "any" swamp and deliver patterns that both junior and senior devs can carry.

  • Fewer null-pointer surprises in integration code
  • Better IDE support and faster reviews
  • Clearer API contracts between frontend and backend
  • Sustainable tsconfig stages instead of big-bang migration
Why us

We advise you in all
digital areas

BEREIT, DEINE GESCHÄFTSPROZESSE MIT MAßGESCHNEIDETER SOFTWARE ZU TRANSFORMIEREN?

Ob du bestehende Systeme optimieren oder neue digitale Lösungen einführen möchtest – wir freuen uns darauf, dich kennenzulernen und gemeinsam neue Wege zu gehen. Ein erster Austausch ist der Grundstein für deinen Erfolg.

Profile picture of Slawa Ditzel, Executive Partner
Slawa Ditzel
Executive Partner
info@nextlevels.de
+49 (0) 2161 539 71 60