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For Companies At a Glance
- Tasks: Create and manage functional tests for AI systems using Python and Docker.
- Company: Join Mindrift, connecting specialists with exciting AI projects.
- Benefits: Freelance flexibility, remote work, and competitive pay up to $50/hour.
- Why this job: Make a real impact on innovative AI projects while working remotely.
- Qualifications: 5+ years in Python, strong Docker skills, and experience with LLMs.
- Other info: Be part of a supportive global community and choose your hours.
The predicted salary is between 40 - 50 £ per hour.
Please submit your CV in English and indicate your level of English proficiency.
Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment.
About The Role
This project is suited for a Senior Python developer with deep functional testing experience, strong Linux and Docker skills, the ability to read code across multiple languages with the support of LLMs (e.g., C, Rust, Go) and translate requirements for migration tasks, and confidence using tools like Roo Code or Claude Code to accelerate iterative development.
Key Responsibilities
- Create functional black box tests for large codebases in various source languages
- Create and manage Docker environments to ensure 100% reproducible builds and test execution across different platforms
- Monitor code coverage and configure automated scoring criteria to meet industry benchmark-level standards
- Leverage LLMs (Roo Code, Claude) to accelerate development cycles, automate repetitive tasks, and improve overall code quality
Requirements
- 5+ years of experience as a Software Engineer (primarily Python)
- Deep experience with pytest (fixtures, session-scoped, timeouts) and designing black-box functional tests for CLI tools
- Expert-level Docker skills (reproducible Dockerfiles, user contexts, secure workspaces)
- Strong Linux & Bash scripting skills and comfort debugging inside containers
- Proficiency with modern Python tooling (uv, pyproject.toml, packaging)
- Ability to read and understand with LLM many coding languages (for example C, C++, Rust, or Go)
- Experience using LLMs (Claude Code, Roo Code, Cursor) to accelerate iterative development and test-case generation
- English language - B2 or higher
Tools and Technologies
- Python (pytest, uv, Pillow)
- Docker
- Bash
- Git Submodules
- C/C++/Rust/Go (reading)
- Dagger
- GitHub Codespaces
- LLMs (Claude Code, Roo Code, Cursor)
- coverage.py
- gcov
- kcov
Benefits
- Freelance project-based collaboration via the Mindrift platform (powered by Toloka AI)
- Fully remote and flexible participation — choose when and how much to contribute (20-30 hours per week)
- Task-based compensation, equivalent to up to $50/hour depending on performance and volume
- Opportunity to contribute to innovative AI projects for leading tech companies
- Supportive global community
Senior Python Engineer - AI Testing Project (Freelance, Mindrift) in London employer: Mindrift
Contact Detail:
Mindrift Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Python Engineer - AI Testing Project (Freelance, Mindrift) in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech world, especially those who are already working on AI projects. A friendly chat can lead to opportunities that aren’t even advertised yet.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your Python projects, especially those involving functional testing and Docker. This will give potential clients a taste of what you can do and set you apart from the crowd.
✨Tip Number 3
Don’t just apply, engage! When you find a project that excites you, reach out directly through our website. Ask questions about the role or share your thoughts on their tech stack; it shows genuine interest and can make you memorable.
✨Tip Number 4
Stay updated with the latest in AI and Python! Follow relevant blogs, join forums, and participate in online communities. This not only boosts your knowledge but also helps you connect with like-minded professionals.
We think you need these skills to ace Senior Python Engineer - AI Testing Project (Freelance, Mindrift) in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your Python expertise and experience with functional testing. We want to see how your skills align with the project requirements, so don’t be shy about showcasing relevant projects!
Show Off Your Language Skills: Since English proficiency is a must, clearly indicate your level in your application. We appreciate transparency, and it helps us understand how well you can communicate within our team.
Highlight Your Docker and Linux Skills: Given the importance of Docker and Linux in this role, make sure to detail your experience with these technologies. We’re looking for someone who can create reproducible builds and manage environments like a pro!
Apply Through Our Website: We encourage you to submit your application through our website. It’s the best way for us to keep track of your application and ensure it gets the attention it deserves. Plus, it’s super easy!
How to prepare for a job interview at Mindrift
✨Know Your Tech Inside Out
Make sure you’re well-versed in Python, Docker, and the other technologies mentioned in the job description. Brush up on your pytest skills and be ready to discuss how you've created functional tests in the past. The more specific examples you can provide, the better!
✨Show Off Your Problem-Solving Skills
Prepare to talk about how you've tackled complex issues in previous projects. Think of scenarios where you had to debug inside containers or manage Docker environments. Highlight your experience with LLMs and how they’ve helped you improve code quality.
✨Communicate Clearly and Confidently
Since the role requires a B2 level of English or higher, practice explaining your technical knowledge in English. Be clear and concise when discussing your experience, and don’t hesitate to ask for clarification if you don’t understand a question during the interview.
✨Be Ready for Practical Tests
Given the nature of the role, you might face practical coding tests or scenarios. Prepare by reviewing common black-box testing strategies and be ready to demonstrate your skills in real-time. Familiarise yourself with tools like Roo Code or Claude Code to show you can leverage them effectively.
