
Backend Developer
- Role
- Backend
- Experience
- Mid
- Employment
- Part-time
Open to AR, CL, EC, MX, UY only. Set where you work from to check your eligibility.
No BS summary
Backend Developer (project-based consultant), 3–7 years experience, must be located in Chile. Strong proficiency in Python and JavaScript/TypeScript; working knowledge of Java, C#, or Go. Part-time remote, paid per-project (estimated $45–$80 per hour).
Core skills
Required skills
Required languages
Anyone AI is recruiting skilled Backend Developers (Python and JavaScript/TypeScript; working knowledge of Java, C#, or Go) to work on a project with a leading AI Lab.
Qualifications:
- Advanced professional written proficiency in English
- 3–7 years of professional software engineering experience
- Strong proficiency in Python and JavaScript/TypeScript; working knowledge of Java, C#, or Go
- Backend or full‑stack development experience in production systems
- Experience with testing frameworks (e.g., pytest, Jest, JUnit, xUnit, Go testing)
- Proven ability to debug and navigate large, multi‑file codebases
- Experience with code reviews, refactoring, and production migrations
Engagement: Part-time, project-based expert evaluation work
Work Type: Remote
Contributors will design and evaluate realistic software engineering tasks, including bug resolution, feature implementation, refactoring/migration, and test generation. Work includes both creating complex coding scenarios and reviewing peer submissions for quality and accuracy.
This is a project-based consultant role. Consultants will be paid on a per-project basis; hourly rates are estimates based on anticipated completion time. Consultants control their own schedule, provide their own tools, and may simultaneously provide services to other vendors/employers (subject to those vendors’ allowances).
Responsibilities:
Contributors will:
- Design and implement multi-file coding tasks across bug fixing, feature development, refactoring, and testing
- Write clear natural-language specifications and reference implementations
- Develop and extend unit and integration test suites
- Review peer-generated tasks for correctness, clarity, and realism
- Identify edge cases, ambiguities, and potential failure modes
- Ensure alignment between specifications, code, and expected outputs
Expected Outcomes:
- High-quality, production-realistic coding tasks
- Complete and correct reference implementations
- Robust test coverage and validation artifacts
- Structured, actionable peer review feedback
What you'll do
- Design and implement multi-file coding tasks across bug fixing, feature development, refactoring, and testing
- Write clear natural-language specifications and reference implementations
- Develop and extend unit and integration test suites
- Review peer-generated tasks for correctness, clarity, and realism
- Identify edge cases, ambiguities, and potential failure modes
- Identify edge cases, ambiguities, and potential failure modes; ensure alignment between specifications, code, and expected outputs
- Identify edge cases, ambiguities, potential failure modes, and ensure alignment between specifications, code, and expected outputs
What they require
- Advanced professional written proficiency in English
- 3 67 years of professional software engineering experience
- Strong proficiency in Python and JavaScript/TypeScript
- Backend or full dstack development experience in production systems
- Experience with testing frameworks (e.g., pytest, Jest, JUnit, xUnit, Go testing)
- 3–7 years of professional software engineering experience
- Strong proficiency in Python and JavaScript/TypeScript; working knowledge of Java, C#, or Go
- Backend or full‑stack development experience in production systems
- Proven ability to debug and navigate large, multi‑file codebases; experience with code reviews, refactoring, and production migrations
- Working knowledge of one of: Java, C#, Go
- Backend or full-stack development experience in production systems, with ability to debug large multi-file codebases and experience with code reviews, refactoring, and production migrations
- Backend or full-stack development experience in production systems
- Proven ability to debug and navigate large, multi-file codebases
- 3 6 years of professional software engineering experience
- Working knowledge of Java, C#, or Go
Benefits
- Remote work (Mexico - Fully Remote)
- Part-time, flexible schedule — consultants control their own schedule
- Paid on a per-project basis; hourly rates are estimates ($45–$80/hr)
- May simultaneously provide services to other vendors/employers (subject to those vendors’ allowances)
- Part-time, project-based consultant role (paid on a per-project basis)
- Consultants control their own schedule and provide their own tools
- Remote work
Anyone AI creates high-quality STEM training data for frontier AI models used by leading AI labs to improve model reasoning in scientific domains.