Backend Software Engineer at mission-driven AI automation startup

Jack & Jill/External ATS; Greater London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A mission-driven AI automation startup is seeking a Backend Software Engineer to design and maintain backend services for an innovative automation platform. This influential role allows for significant ownership across the entire lifecycle, from design to production monitoring. Candidates should have over 2 years of experience and strong expertise in Node.js, particularly in building microservices. The company offers an exciting opportunity to work in a dynamic environment with competitive compensation and meaningful equity participation.

Benefits

Competitive salary

Equity participation

Ownership over product architecture

Qualifications

• 2+ years of professional backend or full-stack software engineering experience.
• Strong expertise with Node.js and familiarity with tools like NestJS.
• Demonstrated ability to debug production issues and a bias for shipping high-quality code.

Responsibilities

• Design and implement resilient backend APIs and microservices.
• Integrate backend systems with AI/ML model interfaces.
• Own end-to-end feature development including testing and production monitoring.

Skills

Node.js

Microservices

Event-driven architecture

Debugging production issues

Tools

NestJS

Job description

Backend Software Engineer

Company Description

Mission-driven AI automation startup

Job Description

You will design and maintain backend services for an agentic automation platform that streamlines complex property workflows. Working closely with AI engineers, you will build resilient microservices and data pipelines that integrate with ML models. This hands‑on role offers significant ownership over the entire lifecycle, from specification to production monitoring in a fast‑paced environment.

Location

London, UK

Why this role is remarkable

• High ownership to shape the product architecture and engineering culture from an early stage
• Opportunity to build sophisticated agentic AI systems that solve real-world operational inefficiencies
• Joining a well‑funded startup offering competitive cash and meaningful equity participation

What you will do

• Design and implement resilient backend APIs and microservices within an event‑driven architecture
• Integrate backend systems with AI/ML model interfaces to power autonomous workflows
• Own end‑to‑end feature development including testing, CI/CD improvements, and production monitoring

The ideal candidate

• 2+ years of professional backend or full‑stack software engineering experience
• Strong expertise with Node.js and familiarity with tools like NestJS
• Demonstrated ability to debug production issues and a bias for shipping high‑quality code