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AI-Driven Software Engineer (Node.js & C++)
AI-Driven Software Engineer (Node.js & C++)
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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, Bilbao 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 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
Requirements
Technical:
- 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
What We Offer:
- Hybrid work model (in any of our offices in Alcobendas, Valencia, Barcelona, Sevilla, or Logroño)
- Flexible working hours
- 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
Candidatura gestionada por arsys