Senior Software Engineer – AI Training Projects Adaptable 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:
* Implementing new features
* Refactoring codebases
* Performance optimisation
* Reviewing and validating code
* Creating challenging coding tasks and reference solutions
* Working across existing and unfamiliar repositories Preferred Skills
* Python
* Java
* 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 quickly Compensation 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 Successful candidates can often begin within 24–48 hours of completing onboarding.

📌 Senior Software Engineer (Comunidad de Madrid)
🏢 Andrews Recruitment Group
📍 Comunidad de Madrid