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...