Senior Backend Engineer

Trunorth Ltd — United Kingdom · Posted ~1 day ago

Senior £100000-£160000 base + £30000-£40000+ annual bonus

Skills

Python FastAPI PostgreSQL ClickHouse Backend engineering Production API development AI integration Production systems OpenAI Anthropic

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Summary

A Senior Backend Engineer is sought to build production infrastructure for next-generation AI capabilities. This is an engineering role rather than an AI research position, suited to someone with strong Python backend experience, a track record of owning production APIs, and enthusiasm for solving real customer problems. The role is highly hands-on and offers strong compensation plus bonus and equity.

Highlights

Highly competitive compensation with a substantial bonus and equity participation, plus the opportunity to build production backend infrastructure powering practical AI features. The role is strongly hands-on, with most time dedicated to coding and ownership of production APIs.

Description

Senior Backend Engineer | Python | AI | £100k–£160k + Bonus + ESOP Everyone says they're building AI. Very few are building AI that customers actually use. A company I have partnered with are building the Bloomberg of Private Markets, helping 300+ VC and PE firms discover investment opportunities using live market data and production AI. They're looking for a Senior Backend Engineer to build the infrastructure powering their next generation of AI features. This is NOT an AI Research role. It's for engineers who love building backend systems that solve real customer problems. You'll be working with: ✅ Python ✅ FastAPI ✅ PostgreSQL ✅ ClickHouse ✅ OpenAI & Anthropic ✅ Agentic AI ✅ Production APIs You'll be a great fit if you: ✔ Have 5–15 years of backend engineering experience ✔ Have personally built and owned production APIs ✔ Come from a startup or scale-up ✔ Already use AI coding tools like Cursor or Claude ✔ Want to spend 80%+ of your time writing code What's on offer? 💰 £100k–£160k base 💰 £30k–£40k+ annual bonus 📈 ESOP 🏢 London (5 days in-office) or Remote UK/Europe This is one of those rare roles where you'll work directly with the founders, own meaningful technical decisions and build AI products that customers genuinely depend on. Interested? I'd love to tell you more.