Staff Software Engineer (Backend)

Staff Backend Engineer (AI-Native, System Design, Mentorship, Coaching, Golang)

AI-Native Scale-Up (Series A > B)

Up to £130k + Bonus + Equity

Hybrid Working in London (2 days a week, City of London)

I'm partnered with a fast-growing AI-native technology company that's changing how organisations conduct due diligence and research. Their platform helps businesses generate intelligence reports leveraging the latest LLMs & AI.

The company are entering an exciting stage of growth ahead of Series B and planning to double in size

They're now looking for a Staff Backend Engineer to provide technical leadership across multiple teams.

Mission of the Role: You'll work across 2 product squads (10 Engineers), helping shape architecture, drive technical decisions and solve complex problems. This is a genuine Staff Engineer role, combining hands-on technical leadership with mentoring and coaching responsibilities.

You'll:

Lead architecture and system design across multiple domains.

Help teams make better technical decisions.

Mentor engineers across different levels of experience.

Partner closely with Engineering Managers and senior leaders.

Take ownership of some of the most challenging problems in the business.

What They're Looking For

Experience influencing technical direction across multiple teams.

Strong system design and architecture skills.

A background in scaling products and organisations.

Experience in regulated or high-trust environments.

A passion for mentoring and developing other engineers.

An interest in AI-native engineering and AI-assisted software development.

Go experience is a bonus, but not essential.

AI-First Culture

AI is deeply embedded in both the product and engineering culture. The platform itself is built on LLM technologies, and tools like Claude Code are used heavily throughout development. They're looking for Engineers who are excited by the opportunities and challenges of building reliable AI systems.

Tech Stack

Go, MongoDB, Kafka, Temporal, Kubernetes, GCP, REST, gRPC, Protobuf, Grafana, OpenAI, Gemini, RAG systems

Package

Up to £130,000 base salary

10% bonus

Equity scheme

Hybrid working (2 days per week in London)

If you're already operating at Staff level or you're a Senior Engineer with broad technical leadership experience and aspirations to step up, I'd love to tell you more.