Senior Full Stack Developer (TypeScript)

Company: Cosuno

Location: Berlin, Berlin (Remote)

Type: Full-time

Level: lead

Remote: Yes

Posted: 2026-03-01

About this role

Your mission


As a key member of our Engineering team, you won't just be writing code—you'll be solving complex problems and taking full ownership of features from concept to deployment. You will have a direct impact on a product used by thousands of construction professionals to build the world around us.


In Your First Few Months, You Might

  • Design and build new AI features, such as our recently launched AI agent for editing BoQs or automated AI bidder recommendations
  • Collaborate with product managers and designers to shape the user experience and technical direction of our core product.
  • Architect and implement modular packages and services in our monorepo to improve the structure and maintainability of our codebase

How We Build: Our Engineering Culture


We Believe In a Calm, Collaborative, And Productive Engineering Environment. We Trust Our Engineers And Give Them The Autonomy To Do Their Best Work. Our Approach Includes

  • Agile & Fast-Paced: We practice trunk-based development with daily releases to get value into our users' hands quickly.
  • Quality by Default: We maintain a comprehensive Cypress E2E test suite and enforce strict typing, linting, and formatting rules to keep our codebase clean and maintainable.
  • DevOps Mindset: Our well-oiled CI/CD pipeline deploys to AWS via Kubernetes, with our entire infrastructure managed as code using Terraform.
  • Collaboration & Transparency: We value open discussion, constructive code reviews, and a culture where the best idea wins, regardless of who it comes from.

Your profile


About
We're looking for an experienced engineer who is passionate about building great products. You'll be a great fit if you have:

  • Significant professional experience building, shipping, and maintaining complex web applications using TypeScript.
  • Deep expertise in Node.js for backend development and a strong command of React for the frontend.
  • A pragmatic approach to problem-solving and a hi...

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