Senior Python Systems Developer (Remote, AI Testing)

Job summary

This role is for a Senior Python Developer specializing in functional testing for AI systems, focusing on project-based work rather than permanent employment. The position requires expertise in creating and managing Docker environments and leveraging large language models (LLMs) for development tasks.

Qualifications

• Over 5 years of experience as a Software Engineer, primarily in Python.
• Proficient in pytest, with experience in designing black-box functional tests for command-line interface (CLI) tools.
• Strong skills in Docker, Linux, and Bash scripting.
• English proficiency at B2 level or higher.

Responsibilities

• Develop functional black box tests for extensive codebases in various programming languages.
• Manage Docker environments to ensure reproducible builds and test executions across platforms.
• Monitor code coverage and set automated scoring criteria to meet industry standards.
• Utilize LLMs to enhance development cycles and automate repetitive tasks.

Skills

• Expert-level Docker skills, including creating reproducible Dockerfiles and secure workspaces.
• Ability to read and understand multiple programming languages, including C, C++, Rust, and Go.
• Experience with LLMs for accelerating development and generating test cases.

Tools

What we can offer

• 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.
• Freelance project-based collaboration with flexible hours (20-30 hours per week).
• Competitive compensation based on project scope, with potential earnings up to $50 per hour.
• Opportunity to work on innovative AI projects within a supportive global community.