Senior Backend Engineer - APIs, Data, and Scale

10+ years of experience building SaaS products with a focus on Back End development Strong skills in Python, and passion for building production software systems using Django Expert-level abilities in data modeling in relational database systems and experience with and interest in other database technologies such as columnar systems Experience with scaling, performance, and benchmarking of APIs and data processing systems Fluency with tools such as Copilot, Cursor, Claude Code, Kiro and a track record of using them to build and ship fast Have worked in or interested in a growth-stage startup Curiosity - great at asking questions, figuring out what needs to be done, building consensus, and executing Love learning new things and teaching others what you know Strong communication skills Enjoyment of collaborative work

Design, plan and implement key features Rapidly deliver value for customers by pushing features to AWS-hosted SaaS environment daily Provide technical and product expertise within your team and across the organization Communicate effectively about project status and technical issues Participate in your team’s agile process and work to continually improve your team’s capabilities Provide support for production operations of the Jellyfish product Actively participate in a culture supportive of growth and inclusion on your team