Jellyfish is hiring a Senior Backend Engineer - APIs, Data, and Scale

Jellyfish is looking for a Senior Backend Engineer focused on APIs, Data, and Scale. You will solve complex engineering operations problems by building systems that scale, mapping the real structure of customers' engineering organizations to show performance and project progress.

What You'll Do

  • Design, plan, and implement key features as part of a highly effective development team.
  • Rapidly deliver value for customers by pushing features to our AWS-hosted SaaS environment daily using automated CI/CD pipelines.
  • 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.

What We're Looking For

  • 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.
  • 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.
  • 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.
  • Humility, a performance-driven attitude, and a team-player approach.
  • Applicants must be authorized to work for any employer in the US.

Nice to Have

  • Experience with and interest in other database technologies such as columnar systems.
  • Have worked in or are interested in a growth-stage startup.

Technical Stack

  • Python
  • Django
  • AWS
  • Relational databases
  • Columnar database systems

Team & Environment

Join a tight-knit team of senior engineers.

Jellyfish is an equal opportunity employer.

Required Skills
PythonDjangoAWSRelational DatabasesColumnar DatabasesAPI DesignSystem ArchitectureData ModelingScalabilityPerformance OptimizationDistributed SystemsSQLData Pipelines PythonDjangoAWSRelational DatabasesColumnar DatabasesAPI DesignSystem ArchitectureData ModelingScalabilityPerformance OptimizationDistributed SystemsSQLData Pipelines
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About company
Jellyfish
Jellyfish builds the Engineering Management Platform, providing visibility into engineering organizations, their work, and how they operate. The company enables leaders to align engineering decisions with business initiatives and deliver software efficiently.
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Job Details
Category backend
Posted 4 months ago