Senior Full Stack Product Engineer in London

• Reporting to: Engineering Manager
• Working hours: 40 hours per week (Monday‑Friday) 08:00 – 17:00

About the Company

Litta is building operational infrastructure for waste collection at scale.

Position Overview

This role is not a conventional feature‑delivery position.

A large portion of the work focuses on improving the systems behind operations, reducing operational overhead, improving reliability, and making the business easier to run as volume grows.

Responsibilities

• Ship end‑to‑end features, integrate external systems, and use AI‑assisted tooling to accelerate delivery and reduce manual work.
• Build and maintain frontend applications using Vue, React, and Type Script.
• Develop and deploy backend services using Node. js, Firebase, and Google Cloud.
• Design and evolve APIs, data models, and system boundaries.
• Integrate third‑party systems such as Stripe, Hub Spot, Airtable, and Slack.
• Build and maintain workflow automations using n8n and custom scripts; work with webhooks, queues, and asynchronous workflows as core primitives.
• Replace manual operational processes with reliable, observable systems; own features end‑to‑end, from schema and integrations through to UI and deployment.
• Work in a small, fast‑moving team with lightweight processes; translate rough ideas into working solutions without a dedicated design function.
• Take ownership, get up to speed quickly across multiple codebases, and work across whatever is needed to move things forward.
• Apply AI tools deliberately and appropriately; understand the code you write, apply sound engineering practices, and not rely on AI as a substitute for technical judgement.
• All code, including generated output, is subject to full code review; actively increase automated test coverage across the codebase.
• Importantly, monitor, debug, and improve system performance and reliability.
• AI‑Augmented Engineering

We use LLMs and modern AI tooling to accelerate development, automate workflows, and enhance product capabilities.

You will have access to shared team AI tooling, including a Claude Team subscription, and are expected to incorporate these tools effectively into your workflow.

Engineering Quality and Delivery

This is not a ticket‑driven role.

You are expected to take ownership of problems end‑to‑end rather than just implementing predefined tasks.

Write maintainable, production‑grade Type Script across the stack and ship continuously via CI/CD using tools such as Git Hub Actions.

Qualifications

• Familiar with modern AI tooling in a development workflow.
• Strong Type Script/Java Script skills across frontend and backend.
• Experience with Vue or similar frameworks, Node. js, and cloud or serverless systems.
• Comfortable owning systems end‑to‑end.
• Experience integrating third‑party APIs and working with webhooks.
• Experience with Firebase or Google Cloud.
• Experience with workflow automation tools such as n8n.
• Background in startups or high‑velocity teams.
• Experience shipping mobile apps using React Native (Expo) or similar.
• Strong product intuition and a bias for simplification.
• 7 or more years building production web applications.
• #J-18808-Ljbffr