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Senior AI Engineer at Ruby Labs - ApplyBlast

Senior AI Engineer

Ruby Labs

3 months ago

3.8 on Glassdoor

Remote

Full Time

Senior

0 applicants

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About this role

A Senior AI Engineer at Ruby Labs owns the end-to-end delivery and production stability of major AI systems and features. The role involves designing agentic workflows, managing LLM orchestration via tools like OpenRouter and Langfuse, and ensuring high code quality within a Next.js and TypeScript stack. This position requires deep technical ownership of AI output quality, experimentation, and system reliability while collaborating with cross-functional teams.

Responsibilities

Design and implement agentic AI workflows with clean tool contracts
Own production stability and quality of AI systems and outputs
Orchestrate multiple LLM providers via OpenRouter with cost optimization
Build and maintain complex multi-step LLM workflows using LangChain
Manage production prompt systems and run data-driven A/B tests

Skills

Qualifications

6+ years backend/full-stack software engineering experience2+ years building AI/LLM systems in productionExperience with LLM APIs (OpenAI, Anthropic)Proficiency in TypeScript and Node.jsExperience with observability tools like Langfuse

About Ruby Labs

rubylabs.com

Headquarters

San Francisco, California, United States

Company Size

51-200 employees

Founded

2018

View Profile

Ruby Labs is a forward-thinking company that specializes in developing innovative consumer products aimed at transforming sectors such as health, education, and entertainment. With a commitment to enhancing lives, Ruby Labs leverages cutting-edge technology to create solutions that are not only functional but also impactful. The company focuses on crafting products that push the boundaries of traditional markets, creating value for consumers and making a positive difference in their everyday lives.