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
Versátil 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++) (Valencia)
🏢 arsys ES
📍 Valencia