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# Senior Full Stack Developer (TypeScript)

- **Company:** Cosuno
- **Location:** Berlin, Germany (Remote available)
- **Experience:** Expert
- **Salary:** €80,000.0 - €100,000.0
- **Contract:** Permanent contract
- **Skills:** Test Suite, Agile Methodology, Artificial Intelligence, Amazon Web Services, Code Review, Continuous Integration, Information Engineering, DevOps, Machine Learning, Node.Js, TypeScript, Trunk-based Development, ReactJS, Cypress (Programming Language), Backend, Build Management, Kubernetes, Code Inspection, Front End Software Development, Virtual Agents, Terraform
- **Published:** July 20, 2026
- **Apply:** https://www.adzuna.de/details/5662087154

## About the Role

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 high sense of ownership, feeling comfortable driving projects independently.
 * Experience working in collaborative, agile product teams.
 * Excellent communication skills in English.

Bonus Points For (Nice-to-Haves):

 * Experience with our infrastructure stack (AWS, Kubernetes, Terraform).
 * Experience with building and maintaining CI/CD pipelines.
 * An interest in data engineering or machine learning.

## Description

* 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.


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