Senior Back End Engineer, AI Features

Skylight

Senior Back End Engineer developing AI features for Skylight, a tech startup improving family life. Seeking seasoned candidates with expertise in backend engineering and LLM integrations.

Posted 6/27/2026full-timeRemote • Colorado, New York • 🇺🇸 United StatesSenior💰 $180,000 - $240,000 per yearWebsite

Tech Stack

Tools & technologies

RubyRuby on Rails

About the role

Key responsibilities & impact

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 but mighty 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

What you’ll need

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

Comp & perks

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)

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Ruby on Railslarge language modelsAPI integrationprompt engineeringretrieval-augmented generationsoftware product developmenttest coveragecode reviewsdesign discussionsend-to-end software development

Soft Skills

clear communicationcollaborationmentorshipteam leadershipproblem-solvingadaptabilitycreativityinitiativecritical thinkinginterpersonal skills