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# AI-Driven Software Engineer

- **Company:** Ionos Group
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Acceptance Test-Driven Development, C++ (Programming Language), CMake, Cursor, Software Debugging, Iterative and Incremental Development, Linux System Administration, Node.Js, Performance Tuning, Software Engineering, Backend, Build Management, Production Code, Build Tools, Claude, Code Restructuring, Docker
- **Published:** November 2, 2026
- **Apply:** https://www.adzuna.es/details/5948866365

## About the Role

* Strong experience with Node.js development
 * Ability to read, understand, and debug C++ code
 * Experience working in Linux environments
 * Familiarity with build tools and containers (Docker, Make, CMake)

AI & Development:

 * Hands-on experience with AI-assisted development tools (e.g., Cursor, Claude, or similar)
 * Ability to use AI as a productivity multiplier in software development
 * Experience with iterative development, testing, and validation workflows

Profile:

 * Strong English communication skills, as you will be working in an international team
 * Execution-driven mindset with strong focus on quality and results
 * Comfortable working in fast-paced environments
 * Strong interest in performance optimization and continuous improvement

## Description

Act as the execution engine of the team, transforming architectural specifications into robust, efficient, and production-ready code. You will work on building and optimizing a hybrid Node.js-C++ system, leveraging AI tools as a key accelerator to maximize development speed without compromising quality.
Responsibilities:

 * Develop backend components in Node.js and high-performance integrations with C++
 * Translate technical specifications into functional solutions and accurately
 * Use AI tools to accelerate development, validation, and code improvement
 * Apply test-driven approaches to ensure robustness and stability
 * Manage and optimize build environments (Docker, Make, CMake)
 * Analyze system performance and identify bottlenecks, especially in Node.js * C++ interactions
 * Refactor legacy code into clean, maintainable, and high-performance solutions
 * Collaborate closely with architecture roles to continuously improve the system