Remote Open-Source Software Engineer (Contractor)

RemoteJobsOne; Philadelphia (Philadelphia County); Remote; USD 69,000 - 138,000; Full time

Job summary

RemoteJobsOne is seeking a Software Engineer (Open Source Contributor) to work remotely with global candidates. The role focuses on building reproducible RL environments, testing AI model fixes, and delivering deterministic verifiers.

Strong backend experience across languages like Python, Java, Rust, Go, C++, or TypeScript is desired, with a track record of scalable services and APIs. The position is contractor-based and remote from anywhere in the world.

Qualifications

• Strong backend experience in Java, Node.js, Go, Rust, TypeScript, Python, C++ or similar.
• A track record building scalable services and APIs.
• Comfort with debugging, performance work and automated testing.
• Solid code review instincts.

Responsibilities

• Contribute expert-level code samples and debugging strategies in Python3, Java, Rust, Go, C++, or TypeScript.
• Analyze, troubleshoot, and resolve complex software defects and performance bottlenecks in diverse codebases.
• Implement robust new features with scalability and maintainability at the forefront.
• Refactor and optimize legacy code to improve clarity, efficiency, and long-term reliability.
• Document technical reasoning, solution approaches, and code decisions to enhance AI training data quality.
• Review and validate peer-contributed code and submissions for accuracy and clarity.

Skills

Backend development

API design

Debugging

Performance optimization

Code review

Testing

Languages: Python

Languages: JavaScript/TypeScript

Languages: C++

Languages: Go

Languages: Rust

Languages: Java

Languages: Kotlin

Tools

Python

Java

Rust

Go

C++

TypeScript

Job description

RemoteJobsOne is seeking a Software Engineer (Open Source Contributor) to work remotely with global candidates. The role focuses on building reproducible RL environments, testing AI model fixes, and delivering deterministic verifiers.

Strong backend experience across languages like Python, Java, Rust, Go, C++, or TypeScript is desired, with a track record of scalable services and APIs. The position is contractor-based and remote from anywhere in the world.