Senior Software Engineer – AI Training Projects

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:
- 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
- Adaptable 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 – AI Training Projects (Madrid)
🏢 Andrews Recruitment Group
📍 Madrid