Radix

Backend Engineer

• Build and maintain backend systems: Design and implement scalable backend services that support high-throughput data workflows and real-time decision-making.
• Develop robust APIs: Build secure, performant, and reliable APIs that power our platform and integrate with internal and external systems.
• Collaborate across teams: Work with Product, to ship features end-to-end. Translate ambiguous requirements into technical solutions that have real business impact.
• Shape our architecture: Contribute to decisions around system design, performance, and scalability. Help define patterns and best practices for a growing engineering team.
• Own the full development lifecycle: From design and implementation to testing, deployment, and post-release support — you’ll see your work through from start to finish.
• Improve developer experience: Advocate for code quality, testing, DevOps, and observability, making it easier for the team to ship reliably.
• Mentor and grow the team: Share knowledge, conduct code reviews, and help junior engineers grow technically and professionally.

Lead Software Engineer, Backend

• Ownership: Take initiative on features and improvements, collaborating with teammates to deliver reliable solutions.
• Momentum: Move fast, iterate wisely, and deliver meaningful results without sacrificing quality or reliability.
• Impact: Solve real problems that matter for our team and our users; focus on practical, scalable solutions that drive value.
• Innovation: Bring initiative and creativity to tackle challenging problems; propose new approaches and improvements that move the product forward.
• Collaboration: Work humbly and openly with teammates, leveraging others’ expertise while sharing your own; communicate clearly with both technical and non-technical partners.
• Transparency: Share context, challenges, and decisions openly—ask questions, surface risks early, and be comfortable giving and receiving feedback.
• Culture: Contribute to a healthy, low-ego team environment that values empathy, growth, and mutual respect, while fostering collaboration, learning, and knowledge-sharing

Software Engineer II – Backend

Senior Software Engineer, Backend

Machine Learning Engineer

• Own machine learning systems end to end, from problem definition and modeling through production deployment and ongoing improvement.
• Build, deploy, and maintain production-grade ML systems in Python with a strong focus on reliability, observability, and maintainability.
• Solve meaningful, real-world problems by applying machine learning in practical, scalable ways that directly support users and the business.
• Iterate based on real-world feedback and model performance, continuously improving systems after they’re live in production.
• Partner closely with Product, Engineering, and Operations to align on goals, constraints, and success metrics.
• Make thoughtful tradeoffs in ambiguous situations, prioritizing clarity, simplicity, and long-term maintainability.
• Contribute to a healthy, low-ego team environment that values empathy, growth, and mutual respect, while fostering collaboration, learning, and knowledge-sharing

Lead Software Engineer, Backend

Software Engineer II – Backend

Senior Software Engineer, Backend

Senior Machine Learning Engineer