Senior Back End Engineer

Job Summary

To support the development of innovative AI-powered features, the full-time Senior Back End Engineer will design, build, and launch user-facing functionalities while collaborating with cross-functional teams in a remote environment.

Key responsibilities

• Design, build, and launch new user-facing features powered by large language models (LLMs)
• Own major product initiatives from zero-to-one, collaborating with a small team
• Integrate with third-party APIs and contribute to codebases in Ruby on Rails

Required qualifications

• 6+ years of experience building software products end to end
• Deep mastery of Ruby on Rails or another similar back end language
• Demonstrated ability to ship zero-to-one products as a solo engineer or team lead
• Experience with OpenAI, Anthropic, or similar LLM providers
• Startup experience strongly preferred