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)

- Adaptable 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

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📌 AI-Driven Software Engineer (Node.js & C++) (Logroño)
🏢 IONOS Group
📍 Logroño