Senior Backend Software Engineer - Core Services

About RadiantWe’re looking for a Senior Software Engineer with strong experience in Golang and Kubernetes to join our core product team. In this role, you'll design and build high-performance, cloud-native back-end systems and scalable APIs to support AI workloads, including LLMs and GPU-based services.You’ll collaborate closely with cross-functional teams - including platform and machine learning - to design, develop, and deliver high-quality software solutions. You’ll help build tools and services that power model training, inference, and orchestration in production environments, while mentoring junior engineers, upholding engineering best practices, and driving initiatives to improve code quality and system performance.What You’ll Do:Design, develop, and maintain robust applications and services in GoImplement secure, reliable APIs (gRPC/REST) and backend systemsWork with PostgreSQL or similar relational databases for high-performance querying and storageDeploy and operate applications in Kubernetes, leveraging Helm charts and the Kubernetes APIContribute to architectural discussions, providing input on design reviews and system evolutionMaintain high standards for code quality, observability, and maintainability through reviews and best practicesWhat you bring:Proven experience developing production systems in GolangHands-on experience designing and deploying distributed systems and APIs (gRPC, REST) in production environmentsProven ability to improve software quality through unit testing, integration testing, code reviews, and adherence to clean code principlesDeep knowledge of Kubernetes and cloud-native architecturesHands-on experience with containers, Helm, and microservice design patternsAbility to work autonomously with a proactive, solution-oriented mindsetExperience collaborating effectively with front-end developers and cross-functional teams.Preferred Skills (Nice to Have)Strong understanding of modern DevOps workflows and CI/CD practicesExperience dep