Senior Ruby on Rails Developer (LLM)
New
O
OnTheGoSystemsSoftware Development
Work from anywhere within EMEA hours, EMEA hoursFull-TimeSenior
Salary not disclosed
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Job Details
- Required Skills
- Backend DevelopmentArtificial IntelligenceRuby on RailsLLM
Requirements
- Strong professional experience with Ruby on Rails
- Experience building and running production systems
- Strong backend skills (databases, API design, performance, background jobs, security)
- Ability to break down ambiguous problems
- Hands-on interest or experience with AI/LLM technologies
- Strong testing habits
- A responsible, curious, flexible mindset
Responsibilities
- Owning features from technical design to production
- Building and maintaining Ruby on Rails systems used at scale
- Designing AI/LLM-assisted features and workflows
- Working with LLM APIs, prompts, retrieval/context strategies, and AI-assisted development tools
- Making trade-offs around performance, reliability, cost, latency, security, and maintainability
- Writing and maintaining automated tests including unit, integration, and E2E tests
- Debugging production issues and improving system reliability
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