Senior Full-Stack Product Engineer: AI-Driven Ops

Litta; Greater London; On-site; GBP 90,000 - 125,000; Full time

Job summary

Litta is seeking a Full Stack Product Engineer (Mid‑Senior) in Greater London to improve operations-backed systems and reduce overhead as volumes grow.

You will own features end-to-end, from API design to UI and deployment, with a focus on reliability and observability. The role emphasizes AI-assisted tooling, fast delivery, and working across multiple codebases in a small, dynamic team.

Qualifications

• Proficient in TypeScript/JavaScript across frontend and backend.
• Experience with Vue or similar frameworks, Node.js, and cloud/serverless systems.
• Familiar with Firebase or Google Cloud services.
• Experience with workflow automation tools such as n8n.
• Shipping mobile apps using React Native (Expo) or similar.
• 7+ years building production web applications.

Responsibilities

• Ship end-to-end features integrating external systems and AI-assisted tooling.
• Build and maintain frontend apps using Vue/React and TypeScript.
• Develop and deploy backend services with Node.js, Firebase, and Google Cloud.
• Design and evolve APIs, data models, and system boundaries.
• Integrate third-party systems like Stripe, HubSpot, Airtable, Slack.
• Increase test coverage and monitor system performance.

Skills

TypeScript/JavaScript

Vue

Node.js

Firebase/Google Cloud

n8n

React Native (Expo)

End-to-end ownership

AI tooling in development

Tools

GitHub Actions

Job description

Litta is seeking a Full Stack Product Engineer (Mid‑Senior) in Greater London to improve operations-backed systems and reduce overhead as volumes grow.

You will own features end-to-end, from API design to UI and deployment, with a focus on reliability and observability. The role emphasizes AI-assisted tooling, fast delivery, and working across multiple codebases in a small, dynamic team.