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# Ai-Driven Software Engineer (Node.Js & C++)

- **Company:** Arsys
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Acceptance Test-Driven Development, C++ (Programming Language), CMake, Cursor (Graphical User Interface Elements), Software Debugging, Linux, Iterative and Incremental Development, Linux System Administration, Node.Js, Performance Tuning, Software Engineering, Backend, Build Management, Production Code, Build Tools, Code Restructuring, Docker
- **Published:** August 10, 2026
- **Apply:** https://www.buscojobs.com.es/ai-driven-software-engineer-node-js-c-en-madrid-ID-366848025

## About the Role

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

## Description

MissionAct 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 accuratelyUse AI tools to accelerate development, validation, and code improvementApply test-driven approaches to ensure robustness and stabilityManage and optimize build environments (Docker, Make, CMake)Analyze system performance and identify bottlenecks, especially in Node.js C++ interactionsRefactor legacy code into clean, maintainable, and high-performance solutionsCollaborate closely with architecture roles to continuously improve the systemRequirementsTechnical:Strong experience with Node.js developmentAbility to read, understand, and debug C++ codeExperience working in Linux environmentsFamiliarity 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 developmentExperience with iterative development, testing, and validation workflowsProfile:Strong English communication skills, as you will be working in an international teamExecution-driven mindset with strong focus on quality and resultsComfortable working in fast-paced environmentsStrong interest in performance optimization and continuous improvementWhat We Offer:Hybrid work model (in any of our offices in Alcobendas, Valencia, Barcelona, Sevilla, or Logroño)Flexible working hoursFlexible compensation packageDiscounts on Arsys productsDiscounts on technology brandsChallenging technical environment with real high-performance system problemsAccess to advanced AI tools with no usage restrictionsClose collaboration with senior profiles and a strong culture of continuous improvementPersonalized training and development plansBiannual team events#J-*****-Ljbffr


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