Find a jobRecruiters

⁠Open Source Developer (Remote | $50–$100/hr)

Exclusive opportunity

Remote

⁠Open Source Developer (Remote | $50–$100/hr)

Synthires

⁠Open Source Developer (Remote | $50–$100/hr)

Skills

RustTypescriptPythonGolangJavaAIGitHub

6 days ago

Share this opportunity

Share this opportunity to other talents of your network:
✓ Offer them a visibility boost with clients.
✓ Help your contacts find their next job.

Important information


Contract type:

Part time

Location:

Poland

Work mode:

Remote

Published on:

14 October 2026

What they need


Software Engineer (Open Source Contributor)

Position: Software Engineer (Open Source Contributor)

Type: Contractor

Compensation: $50–$100/hour

Location: Remote — Worldwide

About the Opportunity

We’re seeking experienced software engineers and open-source contributors to create realistic coding challenges that help train next-generation AI systems. You’ll develop reproducible reinforcement learning environments that test AI models on bug fixing, feature implementation, code refactoring, and performance optimization. No prior AI experience is required.

Key Responsibilities

  • Create challenging coding tasks based on realistic software engineering scenarios.
  • Build reproducible reinforcement learning environments with golden reference solutions.
  • Develop deterministic verifiers that accept valid solutions and reject incorrect ones.
  • Debug complex software defects and optimize performance across diverse codebases.
  • Implement scalable, maintainable features and refactor legacy code.
  • Contribute code samples and technical insights using Python, Java, Rust, Go, C++, or TypeScript .
  • Document technical reasoning and solution approaches.
  • Review and validate code contributions for accuracy and quality.

Required Qualifications

  • Strong software engineering experience in at least one relevant language, such as Python, Java, Rust, Go, C++, or TypeScript .
  • Experience building scalable services and APIs.
  • Strong understanding of algorithms, data structures, and core computer science concepts .
  • Proficiency in debugging, automated testing, and performance optimization.
  • Experience with code review, bug fixing, and feature implementation.
  • Clear technical communication and problem-solving skills.
  • An open-source contribution history and a profile showcasing your work, preferably on GitHub, or willingness to complete a HackerRank assessment.

Preferred Qualifications

  • Experience refactoring large codebases and modernizing legacy systems.
  • Proven ability to resolve complex bugs and system bottlenecks.
  • Experience delivering high-impact features in cross-functional projects.
  • Strong technical documentation skills.
  • Interest in AI and its technical challenges.

Compensation

  • $50–$100 per hour .
  • Approximately 15 hours per task run .
  • 100 openings available.
  • Worldwide remote contractor opportunity.
  • Onboarding begins once selected.

Application Process

  1. Apply and complete the screening questions.
  2. Complete an approximately 20-minute AI interview .
  3. Complete a technical assessment if your GitHub profile does not sufficiently demonstrate the required expertise.
  4. Await hiring manager review.
  5. Upon selection, receive onboarding instructions from Talent Operations.

Important: Complete interviews and assessments independently, without AI assistants or help from others.

Other offers great for you!

These companies are also looking for great profiles

Soors

Lead Developer Java / Angular H/F

Freelance

33600 Pessac, France

Hybrid

Skills

AngularJava

14 hours ago

Quick apply

Mon Consultant Indépendant

SAP ABAP developer senior with SAP IS-U

TJM HT max 700 € (hors éventuels frais de mission, à discuter avec le client)

Freelance

Brussels, Belgium

Hybrid

Skills

Systèmes d'information

12 hours ago

Quick apply

Mon Consultant Indépendant

Business analyst data | référentiel de tiers, migration & MDM | asset management

TJM HT max 545 € (hors éventuels frais de mission, à discuter avec le client)

Freelance

Paris, France

Hybrid

Skills

Data

12 hours ago

Quick apply

The best place to find your next move

© 2026. All Rights Reserved.

Talents

Find a job

Create a profile

Solutions and tools