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This listing was closed on Sep 20, 2026.
Browse Open JobsAI Product Focused Senior Fullstack/Rails Engineer
Summary by AIEngineer.careers
AI Product Focused Senior Fullstack/Rails Engineer is a AI Engineer role (full-time). with Yuma AI. in BOSTON, US. Compensation shown: $2K–$150K (est.). Imported listing (source: foundersarehiring.com). Apply on the employer's site (foundersarehiring.com).
Imported listing (source: foundersarehiring.com) · Apply on foundersarehiring.com
BOSTON · US
$2K–$150K (est.)
Full-time
SENIOR
The sections below reproduce the third-party job description for reference. AIEngineer.careers does not write or control this text.
Imported job description
Sourced from foundersarehiring.com
Yuma AI is building a platform that deploys autonomous AI agents for e-commerce customer support. They are seeking a senior fullstack engineer with deep Rails expertise to help build and scale their AI agent pipeline and product features. The role involves working on both backend and frontend, integrating LLMs, and maintaining high code quality in a fast-paced startup environment.
Responsibilities
- Design, build, and maintain the Ruby on Rails backend API
- Develop frontend features using Next.js and React
- Integrate LLMs and manage non-deterministic AI agent outputs
- Contribute to product iterations, A/B testing, and performance optimization
- Process and scale ingestion of millions of support tickets and e-commerce data points
Requirements
- Experience leading and building multiple large Rails applications
- Deep knowledge of Ruby on Rails and its ecosystem
- Comfortable with frontend work (Next.js/React)
- Recent hands-on experience with LLMs and AI tools
- Strong ownership and pragmatism, with a bias for speed and quality
Nice to Have
- Experience working in early-stage startups
Yuma AI
San Francisco · US · 27+ employees
Yuma AI is an e-commerce platform that offers agentic AI products to automate customer interactions across the customer journey. Its AI agents handle support tickets, personalized recommendations, and order-related tasks to improve efficiency and reduce costs for merchants.
