Senior AI Engineer - Remote, Unlimited PTO, Flexible Contract

Ruby Labs Ltd; Meolo; Remote; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Remote Work Environment

Unlimited PTO

Paid National Holidays

Company-provided MacBook

Flexible Independent Contractor Agenda

Job summary

Ruby Labs Ltd is seeking a Senior AI Engineer to own and scale the AI layer of a core D2C subscription product. You will lead production LLM features, structured outputs, and browser automation with emphasis on reliability, observability, and cost control.

The role requires data-driven decision making and a strong TypeScript stack (Next.js, Cloudflare Workers, Playwright). You will work on prompts, JSON schemas, and model selection in a fast-paced environment.

Qualifications

• 5+ years of software engineering with Node.js/TypeScript in modern stacks.

Responsibilities

• Design and maintain AI features end-to-end from experiment to production.

Skills

Node.js

TypeScript

Next.js

Postgres

Playwright

LangChain

LLM APIs

Browser Automation

Edge/Serverless

Tools

Cloudflare Workers

Hono

Hatchet

Drizzle

Supabase

Vercel

Langfuse

OpenRouter

Job description

Ruby Labs Ltd is seeking a Senior AI Engineer to own and scale the AI layer of a core D2C subscription product. You will lead production LLM features, structured outputs, and browser automation with emphasis on reliability, observability, and cost control.

The role requires data-driven decision making and a strong TypeScript stack (Next.js, Cloudflare Workers, Playwright). You will work on prompts, JSON schemas, and model selection in a fast-paced environment.