Senior AI Engineer — Remote Production LLM & Automation

Ruby Labs; Athens (GA); Remoto; USD 140.000 - 230.000; Part-time

Vantaggi offerti da questo lavoro

Paid national holidays

Flexible independent contractor terms

Descrizione del lavoro

Ruby Labs in the United States is seeking a Senior AI Engineer to own and scale the AI layer of a core D2C subscription product. You will be responsible for production LLM features, browser automation, prompt systems, evaluation, observability, and cost-aware model selection.

You will work in a modern TypeScript stack (Next.js, Cloudflare Workers, Playwright) in a fast-moving team, with a strong emphasis on data-driven decision making, reliability, and measurable impact.

Competenze

• 5+ years of software engineering experience with modern web stacks.
• Experience delivering production LLM features and browser automation.
• Proficiency with TypeScript and Node.js in serverless/edge environments.
• Strong data-driven decision making and observability practices.

Mansioni

• Own and scale the AI layer for a core D2C subscription product.
• Design and implement production LLM features and prompt systems.
• Build and maintain browser automation and workflows.
• Ensure reliability, observability, and cost efficiency of AI features.
• Lead experiments and model selection decisions.
• Address production incidents with root-cause analysis.

Conoscenze

Node.js

TypeScript

Next.js

Postgres

Browser automation

LangChain

LlamaIndex

Playwright

Langfuse

OpenRouter

Cloudflare AI Gateway

Cloudflare Workers

Edge/serverless

Strumenti

LangChain

LlamaIndex

Playwright

OpenRouter

Cloudflare AI Gateway

Next.js

Descrizione del lavoro

Ruby Labs in the United States is seeking a Senior AI Engineer to own and scale the AI layer of a core D2C subscription product. You will be responsible for production LLM features, browser automation, prompt systems, evaluation, observability, and cost-aware model selection.

You will work in a modern TypeScript stack (Next.js, Cloudflare Workers, Playwright) in a fast-moving team, with a strong emphasis on data-driven decision making, reliability, and measurable impact.