Software Engineer – Backend

Software Engineer – Backend
Work Details
Remote (global- candidates from all over the world can apply)
Contractor
Approximately 15 hours per week
Flexible schedule — choose your own hours and days
Weekend availability is also possible
Immediate availability preferred
Minimum weekly task submission requirements apply
We are looking for strong Backend Software Engineers to contribute to projects focused on training and evaluating next-generation AI systems.
Prior AI/ML experience is not required. We are primarily looking for engineers with strong hands-on coding ability, backend development experience, and excellent problem-solving skills.
About the Role
You will use your software engineering expertise to create realistic and challenging coding tasks and develop reliable solutions and deterministic verifiers for evaluating AI-generated code.
Your work may involve:
Feature implementation
Bug fixing and debugging
Codebase refactoring
Performance optimization
Algorithms and data structures
Backend services and APIs
Automated testing
Code review
Test and verifier development
Required Skills
Strong hands-on experience with one or more of:
Python 3
Java
Rust
TypeScript / Node.js
Go
C++
We are particularly interested in candidates with:
Strong algorithms and data structures fundamentals
Backend service and API development experience
Proven debugging and bug-fixing experience
Experience implementing complex features
Experience refactoring existing codebases
Performance optimization experience
Automated testing experience
Strong code review judgment
Excellent analytical and problem-solving skills
Ability to understand and work with unfamiliar codebases
Preferred Qualifications
Experience working with multiple programming languages
Large-scale or distributed backend systems experience
Performance-critical application experience
Experience with complex or mature codebases
Test frameworks, validation systems, or automated evaluation experience
Developer tooling experience
AI/LLM evaluation or AI engineering experience
AI/ML experience is not mandatory.
Selected candidates should be prepared to begin their first tasks within 24–48 hours after completing onboarding.

Skills
Python, JavaScript, TypeScript, Node.js, Java, C++, Rust

Work arrangement
Yes