AI-Driven Software Engineer (https://jobeax.com/link/JSd7UYCSg572jJDY & C++)

We offer you the opportunity to join the leading Spanish company in the IT sector, with more than 25 years of experience and one of the most solid track records as a provider of technological solutions for companies.

We are a growing company with more than 400 employees and offices in Logroño, Madrid, Barcelona, Seville and Valencia.

Since August 2013, we have been part of the IONOS Group, Europe's leading digitalisation partner for small and medium-sized companies.

In short, we are a multicultural team that's passionate about technology, bringing our professional experience from over a dozen countries: Germany, Argentina, Spain, the United States, France, the Philippines, Italy, Poland, Portugal, the United Kingdom, Romania...

Mission

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 https://jobeax.com/link/JSd7UYCSg572jJDY 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 https://jobeax.com/link/JSd7UYCSg572jJDY - C++ interactions
Refactor legacy code into clean, maintainable, and high-performance solutions
Collaborate closely with architecture roles to continuously improve the system

Requirements

Technical:

Strong experience with https://jobeax.com/link/JSd7UYCSg572jJDY 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

What We Offer:

Hybrid work model (in any of our offices in Alcobendas, Valencia, Barcelona, Sevilla, or Logroño)
Flexible compensation package
Discounts on Arsys products
Discounts on technology brands
Challenging technical environment with real high-performance system problems
Access to advanced AI tools with no usage restrictions
Close collaboration with senior profiles and a strong culture of continuous improvement
Personalized training and development plans
Biannual team events

AI-Driven Software Engineer (Node.js & C++)

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