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

Arsys; Valencia; Híbrido; EUR 65.000 - 90.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Hybrid work model

Discounts on Arsys products

Biannual team events

Personalized training plans

Descripción de la vacante

Arsys is seeking an execution-focused software engineer to transform architectural specs into robust, production-ready code for a hybrid Node.js–C++ system. You will optimize performance, read and debug C++ in Linux, and leverage AI-assisted tools to accelerate development while maintaining quality.

Join a fast-paced, international team with a strong culture of continuous improvement, working across offices in Valencia and other cities.

Formación

• Proven experience in Node.js backend development and C++ integration.
• Ability to read, understand, and debug C++ code in Linux environments.
• Familiarity with AI-assisted development tools and iterative workflows.

Responsabilidades

• Develop backend components in Node.js and high-performance C++ integrations.
• Translate architectural specifications into robust, production-ready solutions.
• Leverage AI tools to accelerate development, validation, and code quality.
• Apply test-driven development to ensure robustness and stability.
• Manage and optimize build environments using Docker, Make, and CMake.
• Analyze system performance and identify bottlenecks in Node.js–C++ interactions.
• Refactor legacy code into clean, maintainable, high-performance modules.
• Collaborate with architects to continuously improve the system.

Herramientas

Docker

Make

CMake

Linux

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 restrictions
• Close 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