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

Arsys; Alcobendas; Híbrido; EUR 60.000 - 90.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Discounts on Arsys products

Discounts on technology brands

Challenging technical environment with

Descripción de la vacante

Arsys in Alcobendas (Madrid area) is seeking a software engineer to build a hybrid Node.js–C++ system and transform architectural specs into production-ready code. You will develop backend components and optimize Node.js–C++ interactions in a fast-paced environment.

You will leverage AI tools to accelerate development, apply test-driven practices, and collaborate with architects to deliver high-performance systems. Hybrid work across offices with a flexible compensation package awaits.

Formación

• 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).
• Hands-on experience with AI-assisted development tools.

Responsabilidades

• 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 in Node.js–C++ interactions.
• Refactor legacy code into clean, maintainable, high-performance solutions.
• Collaborate with architecture roles to improve the system.

Conocimientos

Node.js

C++

Linux

Build tools

AI-assisted development

Testing and validation

English communication

Performance optimization

Herramientas

Docker

Make

CMake

Linux tooling

Descripción del empleo

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.

• 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

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 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 restrictionsClose collaboration with senior profiles and a strong culture of continuous improvement
• Personalized training and development plans
• Biannual team events

If you're excited about building high-performance systems and leveraging AI to push development further, we’d love to hear from you