Onix is looking for a Senior Backend Engineer to help us build and scale cutting-edge infrastructure for next-gen AI, video, and data products. You’ll play a critical role in designing foundational systems that empower innovative product experiences and enable our AI teams to move faster.
Required Skills: * Bachelor’s degree in Computer Science, Engineering, or a related field. * 5+ years of experience as a Python developer. * Proficiency in Golang, JavaScript/TypeScript, C++, or Java. * Experience with relational and NoSQL databases such as PostgreSQL, MySQL, or MongoDB. * Familiarity with cloud services like AWS, GCP, or Azure. * Strong understanding of API design, backend services, and distributed systems.
Required English Level: * Upper-Intermediate or higher.
Responsibilities: * Data Infrastructure — Enable scalable, next-gen analytics capabilities. * Streaming Infrastructure — Power real-time avatar and video streaming technologies. * ML Infrastructure — Support model training, inference, and large-scale ML workflows. * Image/Video Pipelines — Architect robust media processing and rendering backends. * Dev Tools — Create internal tools that increase developer productivity and velocity. * Work closely with product engineers, ML researchers, and other stakeholders to deliver performant, production-grade systems. * Monitor backend performance, detect anomalies, and drive improvements to reliability and scalability. * Maintain high standards through testing, code reviews, pair programming, and clean architecture practices. * Stay current with backend, infrastructure, and ML system trends and bring best practices into the team.
