Staff Software Engineer, Product Integrity

🚀 We’re on a mission to make money work for everyone. We’re waving goodbye to the complicated and confusing ways of traditional banking. After starting as a prepaid card, our product offering has grown a lot in the last 10 years in the UK. As well as personal and business bank accounts, we offer joint accounts , accounts for 16-17 year olds , a free kids account and credit cards in the UK, with more exciting things to come beyond. Our UK customers can also save , invest and combine their pensions with us. With our hot coral cards and get-paid-early feature, combined with financial education on social media and our award winning customer service, we have a long history of creating magical moments for our customers! We’re not about selling products - we want to solve problems and change lives through Monzo ❤️ 📍London / UK Remote | 💰 Staff Engineer (L60) £115,000 - £150,000 + Benefits | Technology - Engineering About our Engineering Teams: We have around 450 engineers out of roughly 5,000 people in total - and we have big ambitions. There are many interesting challenges ahead, and we're happy for people to move between teams or to specialise, whatever you prefer. As an engineer here you'd be able to work directly with anyone across the company, and we run regular knowledge-sharing sessions so you’ll learn heaps about everything from how banks work to effective communication. We contribute to open source software as much as possible. Our blog is a good place to learn even more about what we do. About Product Integrity: Our mission is to help Monzo scale effectively, empowering our technology teams to build magical experiences for our customers all over the world. Product Integrity exists to help Monzo scale product quality without scaling cost, risk, or manual effort — especially as we expand across markets, languages, and regulatory contexts. Our focus is on solving a small number of hard, high-leverage problems : Understanding and reducing the true Cost of Quality (CoQ) We aim to build a credible, trusted model that makes quality costs visible — where defects, rework, incidents, and manual checks are coming from — and use that insight to materially reduce waste and risk over time. Scaling quality across markets and locales As Monzo expands internationally, we need ways to validate correctness, localisation, and customer experience without relying on manual, market-by-market QA . This includes solving localisation QA at scale and maintaining confidence as products span multiple countries, currencies, and languages. Building confidence through signal, not ceremony Teams should be able to clearly see where they have strong quality signals — and where they don’t — for critical customer journeys. The goal isn’t more tests, but the right signal in the right places to support fast, confident delivery. Reducing noise while preserving our incident culture We want to catch and resolve small issues early, before they escalate into SEVs, while still preserving Monzo’s strong, values-driven approach to incidents and learning. Using AI to fundamentally change the economics of quality We’re exploring how AI can help us move from reactive, manual quality work to proactive, scalable systems — from test generation and defect triage to root-cause analysis — increasing leverage across the organisation rather than adding process. At its core, Product Integrity is about making high quality the default outcome as Monzo grows — not by slowing teams down, but by giving them better systems, better signal, and better trade-offs. Staff Engineer responsibilities: A Staff Engineer at Monzo is a technical (IC) leadership position. You will have wide influence, working with other collectives to grow Monzo. More specifically, you’ll: Expect to be hands on and technical with code, using your software engineering and system building skills and expertise to lean in and solve deep technical challenges ... (truncated, view full listing at source)