Ruby on Rails Software Engineer

Company: Gravitas Group
Apply for the Ruby on Rails Software Engineer
Location: London
Job Description:

Ruby On Rails Software Engineer with Python (any React a bonus). For the immediate term work is primarily Rails, React and Python, with anticipated increasing exposure to Java and/or Rust.

Deliverables

  • Taking a lead role in a small team, channel your inner product owner to meet customer requirements sustainably, meeting time-critical deadlines when required. Ensure outputs are designed to be simple, maintainable, and scalable.
  • Drive requirements and display ownership of large, complex projects or systems. Work with stakeholders across multiple projects and communicate consistently and proactively.
  • Identify, drive and support broader engineering efforts that improve the codebase to the benefit of multiple teams
  • Ownership of code quality and user experience. Drive code quality for projects and guide others in performing code reviews. Ensure code passes standards for cleanliness, reliability, and functionality.
  • Produce technical documentation for system architecture, API specifications, support, and deployment procedures.
  • Performance monitoring and observability tools for system reliability

Skills Required

Technical Skills:

  • Significant professional polyglot experience, including at least two strongly typed languages: eg Java, Rust, C#
  • Fearless of technologies, frameworks, and languages; eager to jump into any codebase
  • Experience leveraging coding agents to reduce delivery time and maintain output quality
  • Significant React frontend development experience
  • Significant Ruby on Rails and Python experience
  • Significant technical design experience – such as API contracts, messaging choreographies
  • Database design and optimization (Postgres, MySQL, Redis)

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Posted: October 6th, 2026