> Markdown version of [/jobs/ext/4644073-senior-software-engineer-ai-training-projects](https://www.wearedevelopers.com/jobs/ext/4644073-senior-software-engineer-ai-training-projects). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - Ai Training Projects - **Company:** Andrews Recruitment Group - **Location:** Madrid, Spain (Remote available) - **Salary:** €62,400 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Artificial Intelligence, Automation of Tests, C++ (Programming Language), Code Review, Cyber Security, Software Debugging, Python (Programming Language), Node.Js, Commercial Software, Performance Tuning, Software Engineering, TypeScript, ReactJS, Backend, Code Restructuring - **Published:** November 9, 2026 - **Apply:** https://www.jobleads.com/es/job/senior-software-engineer-ai-training-projects--madrid--ef67debc523b506b4bfdd2aef20788682 ## About the Role We are particularly interested in engineers with strong experience in: * Python * Java * TypeScript / JavaScript * Node.js * Go * Rust * C++ * React You should have strong commercial software engineering experience, good knowledge of algorithms and data structures, and confidence working on complex technical problems. Experience in backend development, full-stack engineering, system design, automated testing, code review or cybersecurity would be highly relevant., * We are particularly interested in engineers with strong experience in: * Python * Java * TypeScript / JavaScript * Node.js * Go * Rust * C++ * React ## Description Senior Software Engineer - AI Projects Remote | Contract | Approx. 15 Hours Per Week Flexible Hours | $30-$150/hr equivalent, with specialist projects paying more We are recruiting experienced Software Engineers and Senior Software Engineers to support large-scale AI training projects. No previous AI experience is required. The work is focused on real software engineering problems including: * Debugging complex code * Implementing new features * Refactoring codebases * Performance optimisation * Reviewing and validating code * Creating challenging coding tasks and reference solutions * Working across existing and unfamiliar repositories We are particularly interested in engineers with strong experience in: * Python * Java * TypeScript / JavaScript * Node.js * Go * Rust * C++ * React You should have strong commercial software engineering experience, good knowledge of algorithms and data structures, and confidence working on complex technical problems. Experience in backend development, full-stack engineering, system design, automated testing, code review or cybersecurity would be highly relevant. * Working Pattern * Fully remote * Approx. 15 hours per week * Flexible days and hours * Contractor position * Projects typically move quicklyCompensation Compensation varies depending on the project and experience level. Most opportunities sit between $30-$150/hr equivalent, with some highly specialist senior projects offering higher rates. Payment is generally output-based, with experts paid for completed tasks that meet project requirements. * Process * Application * AI interview * Technical assessment if required * Hiring manager review Successful candidates can often begin within 24-48 hours of completing onboarding. Essential requirements * We are particularly interested in engineers with strong experience in: * Python * Java * TypeScript / JavaScript * Node.js * Go * Rust * C++ * React