
Backend Developer
- Role
- Backend
- Employment
- Part-time
Open to CO, PE only. Set where you work from to check your eligibility.
No BS summary
Backend developer role for Peru-based contributors with strong Python and JavaScript/TypeScript skills and 3–7 years of professional software engineering experience. Requires advanced professional written English and working knowledge of Java, C#, or Go plus testing-framework experience. Part-time, project-based consultant work (remote within Peru).
Core skills
Required skills
Optional 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 and ensure alignment between specifications, code, and expected outputs
- Identify edge cases, ambiguities, and potential failure modes; ensure alignment between specifications, code, and expected outputs
What they require
- Advanced professional written proficiency in English
- 3–7 years of professional software engineering experience
- Strong proficiency in Python and JavaScript/TypeScript
- Backend or full‑stack development experience in production systems
- Proven ability to debug and navigate large, multi‑file codebases
- 3 67 years of professional software engineering experience
- Strong proficiency in Python and JavaScript/TypeScript; working knowledge of Java, C#, or Go
- Backend or full 6stack development experience in production systems
- Experience with testing frameworks (e.g., pytest, Jest, JUnit, xUnit, Go testing)
Benefits
- Paid on a per-project basis
- Estimated hourly rates $45–$80
- Consultants control their own schedule
- Consultants provide their own tools
- May simultaneously provide services to other vendors/employers (subject to allowances)
- Paid on a per-project basis; hourly rates are estimates
- May simultaneously provide services to other vendors/employers (subject to those vendors' allowances)
Anyone AI creates high-quality STEM training data for frontier AI models used by leading AI labs to improve model reasoning in scientific domains.