> Markdown version of [/jobs/ext/3116503-software-engineer-open-source-contributions](https://www.wearedevelopers.com/jobs/ext/3116503-software-engineer-open-source-contributions). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - Open Source Contributions - **Company:** RemoteJobsOne - **Location:** Brussel, Belgium (Remote available) - **Salary:** €104,000.0 - **Contract:** Contract - **Skills:** Java (Programming Language), Artificial Intelligence, Algorithm Design, Software Bug Management, C Sharp (Programming Language), C++ (Programming Language), Code Review, Python (Programming Language), Open Source Technology, TypeScript, Rust (Programming Language), Free and Open-Source Software, Codebase, Code Restructuring, Golang - **Published:** September 28, 2026 - **Apply:** https://www.careerjet.be/jobad/be4113fc5b61eb878601b16e47870c96ed ## About the Role Preferred Qualifications * Expert-level proficiency in at least two of the following: Python, C++, Java, Rust, Typescript, Go, or C#. * Extensive experience in open source contributions, particularly in feature development, bug fixing, and codebase refactoring. * Demonstrated expertise in competitive programming and complex coding problem analysis. * Strong analytical skills to interpret multifaceted problem constraints and identify multiple solution pathways. * Exceptional written and verbal communication skills for clear, precise technical documentation and peer collaboration. * Meticulous attention to detail in code review, validation, and maintenance. * Comfort working independently in a remote, collaborative environment with a commitment to producing high-quality, well-documented code under project deadlines. ## Description We are engaging Software Engineer - Open Source Contributions experts to participate in an impactful customer project focused on high-quality, open source software development. In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required - your domain knowledge is what matters. Scope of Work * Develop, implement, and refine new features within existing open source codebases using Python3, Java, Rust, C++, and Typescript. * Analyze and resolve complex bugs, ensuring robust and maintainable solutions that align with project standards. * Refactor and optimize legacy code to enhance performance, readability, and scalability. * Contribute to code validation processes, focusing on accuracy, output consistency, and best coding practices. * Utilize advanced algorithms and competitive programming techniques to conceptualize and deliver efficient solutions for intricate problems. * Collaborate remotely with other contributors to review proposed changes and maintain project documentation. * Deliver clear, concise technical write-ups to articulate solution design and implementation details. ## Related Videos - [Do TypeScript without TypeScript](https://www.wearedevelopers.com/videos/327-do-typescript-without-typescript) - [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall) - [Getting to Know Your Legacy (System) with AI-Driven Software Archeology](https://www.wearedevelopers.com/videos/1437-getting-to-know-your-legacy-system-with-ai-driven-software-archeology) - [WeAreDevelopers LIVE – AI, Freelancing, Keeping Up with Tech and More](https://www.wearedevelopers.com/videos/1786-wearedevelopers-live-ai-freelancing-keeping-up-with-tech-and-more) - [Scoring 2000 Products per Request: Performance Pitfalls in Golang](https://www.wearedevelopers.com/videos/2073-scoring-2000-products-per-request-performance-pitfalls-in-golang) - [What you can learn from an open-source project with 500 million downloads](https://www.wearedevelopers.com/videos/1556-what-you-can-learn-from-an-open-source-project-with-500-million-downloads) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Best Job Boards for Remote Work for Developers](https://www.wearedevelopers.com/magazine/290-best-job-boards-for-remote-work-for-developers)