Senior Full-Stack Product Engineer — AI-Driven Systems

Litta™; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Litta is hiring a Senior Full Stack Product Engineer to build and improve operational infrastructure for waste-collection scale. You will ship end-to-end features across frontend and backend, integrate external systems like Stripe/HubSpot, and leverage AI-assisted tooling to accelerate delivery while reducing manual work.

The role requires ownership across product and engineering with a startup mindset, autonomy in a small team, and a strong bias toward simplification.

Qualifications

• 7 or more years building production web applications.
• Experience with Vue or similar frameworks, Node.js, and cloud or serverless systems.
• Experience integrating third-party APIs and working with webhooks.
• Familiar with modern AI tooling in a development workflow.
• Experience with Firebase or Google Cloud.
• Experience with workflow automation tools such as n8n.
• Experience shipping mobile apps using React Native (Expo) or similar.
• Background in startups or high-velocity teams.
• Strong product intuition and a bias for simplification.

Responsibilities

• Build and maintain frontend applications using Vue, React, and TypeScript.
• Develop and deploy backend services using Node.js, Firebase, and Google Cloud.
• Design and evolve APIs, data models, and system boundaries.
• Replace manual operational processes with reliable, observable systems.
• Own features end-to-end, from schema and integrations through to UI and deployment.

Skills

Vue

Node.js

TypeScript

React Native

API Integration

Webhooks

Firebase

Google Cloud

n8n

AI tooling

CI/CD

Startup experience

Product mindset

Tools

Vue / React tooling

Job description

Litta is hiring a Senior Full Stack Product Engineer to build and improve operational infrastructure for waste-collection scale. You will ship end-to-end features across frontend and backend, integrate external systems like Stripe/HubSpot, and leverage AI-assisted tooling to accelerate delivery while reducing manual work.

The role requires ownership across product and engineering with a startup mindset, autonomy in a small team, and a strong bias toward simplification.