# Senior or Staff Back End Engineer, AI Features

**Company:** [Skylight](https://hotfix.jobs/companies/skylight)
**Location:** Remote
**Role:** Backend Engineering
**Salary:** $180k – $240k/yr
**Experience:** 6+ years
**Skills:** Ruby on Rails, OpenAI, Anthropic, LLM APIs, Prompt Engineering, RAG, Backend Development
**Posted:** 2026-06-26

> Seasoned backend engineer building AI-powered features in Ruby on Rails, integrating with LLMs (OpenAI, Google, Anthropic) and owning zero-to-one product initiatives. Requires 6+ years experience shipping products end-to-end.

## Job Description

## What You'll Do
- Design, build, and launch new user-facing features powered by large language models (LLMs)
- Own major product initiatives from zero-to-one, in partnership with a small team
- Collaborate deeply with Product and Design to shape new products and features
- Integrate with third-party APIs like OpenAI, Google, etc., and explore new model capabilities
- Contribute to our codebases in Ruby on Rails
- Write maintainable, high-quality code with strong test coverage
- Mentor other engineers through code reviews and design discussions

## Requirements
- 6+ years experience building software products end to end
- Deep mastery of either 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
- Clear communication and collaboration skills across disciplines
- Startup experience strongly preferred

## Nice to Haves
- Familiarity with prompt engineering or retrieval-augmented generation (RAG)
- Prior work on family-facing or consumer social products

## Benefits
- Competitive Salary + Equity Package
- 401K matching
- Wellness, learning, and home-office budgets
- Health, Dental & Vision Medical Plans
- Tremendous autonomy to set the direction of your work
- Unlimited PTO
- Company holidays on the first Friday of every month (Except November & December)

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**Apply:** https://hotfix.jobs/jobs/eb15b9b4-07b2-4a7a-8658-05be550c3104
**Canonical:** https://hotfix.jobs/jobs/eb15b9b4-07b2-4a7a-8658-05be550c3104