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.
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.
ResponsibilitiesDevelop 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 & DevelopmentHands-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 workflowsProfileStrong 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 OfferHybrid work mod

📌 AI-Driven Software Engineer (Madrid)
🏢 IONOS Group
📍 Madrid