Source Job

• Develop, modify, and maintain operating system–level source code using C and C++.
• Backport features, fixes, and security updates to prior OS releases while preserving stability and compatibility.
• Migrate existing test code into a newly developed OS test framework.

Blueprint is a technology solutions firm headquartered in Bellevue, Washington. They help organizations unlock value from existing assets by leveraging cutting-edge technology, powered by their teams' knowledge, skills, and expertise across multiple industries.

• Support client developers by addressing their usability issues when working with proprietary tools and workflows.
• Identify, scope, and address root causes of issues to prevent re-occurrence.
• Advocate for process and tool improvements to increase developer efficiency.

Demiurge has over 20 years of game development expertise and teams all over North America, and provides co-development services to larger game companies.

• Develop and maintain core software components for the trading engine.
• Design and implement solutions to improve system performance and scalability.
• Write clean, reusable, testable, and efficient code for high-volume, low-latency applications.

Jobgether uses an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements.

• Design, build, and refine frontend experiences in AMO and DevHub, ensuring they are fast, accessible, and user-friendly.
• Contribute to modernization and improvements in architecture and maintainability.
• Help keep the platform safe and trustworthy, with attention to security and user trust.

Mozilla Corporation shapes the internet for the better. They are known for Firefox and have over 225 million users each month, focusing on AI, social media, and security.

• Design, develop, and maintain high-performance server applications in C/C++ and Rust.
• Write message parsers and feed handlers for direct market data feeds from trading venues.
• Optimize existing codebase for high throughput and low latency.

Databento is a startup that builds modern APIs to get financial data. As a Series A startup, they have raised significant capital and experienced substantial revenue growth with a small team, fostering a dynamic and innovative culture.

• Design, build, and optimize high-performance systems in C++ supporting AI data pipelines and evaluation workflows
• Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control
• Improve reliability, performance, and safety across existing C++ codebases

Alignerr connects top technical experts with leading AI labs to build, evaluate, and improve next-generation models. They work on real production systems and high-impact research workflows across data, tooling, and infrastructure.

Support the development and maintenance of software features. Work closely with experienced engineers, learning to follow technical specifications and best practices. Participate in fault analysis, investigate issues, review logs, and apply basic troubleshooting techniques.

At Tietoevry, we believe in the power of diversity, equity, and inclusion and strive to create digital futures that benefit businesses, societies, and humanity.

• Improve Firefox development workflows to reduce time spent testing and debugging test failures.
• Work with a geographically-distributed development team.
• Look at data, make dashboards, identify trends in Firefox development workflow.

Mozilla Corporation is a non-profit-backed technology company that has shaped the internet for over the last 25 years. They make pioneering brands like Firefox. With more than 225 million people around the world using their products each month, they're shaping the next 25 years of technology.

• Optimize Ubuntu for new silicon technologies, such as hardware accelerators and AI stacks.
• Debug issues on open source code and assist customers in integrating their apps and SDKs.
• Maintain Ubuntu, silicon features, and silicon-optimized packages across various platforms and technologies.

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets.

• Design, build, and optimize high-performance systems in C++ supporting AI data pipelines and evaluation workflows.
• Develop full-stack tooling and backend services for large-scale data annotation, validation, and quality control.
• Improve reliability, performance, and safety across existing C++ codebases.

Alignerr connects top technical experts with leading AI labs to build, evaluate, and improve next-generation models. They work on real production systems and high-impact research workflows across data, tooling, and infrastructure.

Primarily responsible for the development of production level software in coordination with your team. Become a go-to expert in one area of the codebase and understand the broad architecture of the entire system. Identify and proactively tackle technical debt before it grows into debt that requires significant up-front work to resolve.

ShipBob is a leading global supply chain and fulfillment technology platform designed for SMB and Mid-Market ecommerce merchants.

Engineer Polly software in C#, JS, HTML, CSS, and using React libraries. Develop new progressive, mobile-first web applications in React and style professional user interfaces. Design, develop, test, and publish enterprise-grade software solutions.

Polly delivers unexpected value by embedding insurance into life's biggest purchases through a seamless integration into the car buying process.