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Staff Backend Engineer
Monzo · Cardiff, London or Remote (UK)
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What Monzo asks for
From Monzo's Staff Backend Engineer ad, checked 3 Nov 2026.
Backend product engineering
Extensive experience working on the backend of a technology product, particularly using strongly-typed languages.
Distributed systems and resilience
Interest and experience in building resilient software within distributed systems, using tools like Kafka, Cassandra, and Kubernetes.
Data-informed product decisions
Working with a product mindset to reach customer outcomes, using data to inform decisions and testing hypotheses across disciplines.
Cross-discipline squad work
Collaborating in a squad with non-engineers such as product managers, designers, and data analysts to build and support specific business units.
The ad lists no formal degree requirements. Candidates must be based in the United Kingdom, either in the London office or working remotely with travel for meetings. Monzo can sponsor visas and assist with relocation.
How the example answers the ad
Backend product engineering
“Orchestrated migration of legacy monoliths to a microservices architecture using Go, reducing latency by 40 percent.”
Using Go to migrate monoliths to microservices shows backend product engineering with a strongly-typed language.
Distributed systems and resilience
“Built distributed ledger components using Java and Cassandra to ensure ACID compliance across geographic regions.”
Building components with Java and Cassandra across regions shows the building of resilient software within distributed systems.
Data-informed product decisions
“Implemented A/B testing frameworks in backend services, improving loan approval conversion rates by 12 percent through data-informed decision making.”
Applying A/B testing to improve loan conversion rates by 12 percent shows the use of data to inform decisions for customer outcomes.
Cross-discipline squad work
“Led a squad of 8 engineers and 3 designers to launch a mobile credit monitoring tool that serves 2 million daily active users.”
Leading a squad including 3 designers to launch a tool for 2 million users shows cross-discipline squad work.
The whole example as text
Hannah Mueller · Staff Backend Engineer
Summary
Staff Backend Engineer with 10 years in high-scale financial services. Architected distributed systems in Go and Java to process over 500 million dollars in daily transactions. Led cross-functional squads to integrate Kafka and Cassandra, increasing system availability to 99.99 percent. Leveraged A/B testing metrics to refine backend logic, resulting in a 15 percent increase in user transaction throughput.
Experience
Staff Backend Engineer · Capital One
New York, NY · 2022 - Present
- Orchestrated migration of legacy monoliths to a microservices architecture using Go, reducing latency by 40 percent.
- Led a squad of 8 engineers and 3 designers to launch a mobile credit monitoring tool that serves 2 million daily active users.
- Implemented A/B testing frameworks in backend services, improving loan approval conversion rates by 12 percent through data-informed decision making.
Senior Backend Engineer · Stripe
San Francisco, CA · 2019 - 2022
- Built distributed ledger components using Java and Cassandra to ensure ACID compliance across geographic regions.
- Collaborated with product teams to refine API endpoints, leading to a 25 percent improvement in developer integration speed.
- Optimized database queries for customer transaction history, reducing retrieval time by 300 milliseconds for heavy users.
Backend Engineer · Goldman Sachs
New York, NY · 2016 - 2019
- Developed high-throughput data pipelines using Python and SQL to support daily reporting for the equities trading desk.
- Refactored backend code to support concurrent batch processing, cutting report generation time by 2 hours.
- Automated service deployment pipelines, increasing release frequency from monthly to weekly cycles with a 50 percent reduction in manual errors.
Education
MS in Financial Engineering · New York University
New York, NY · 2014 - 2016
- Graduated with 3.9 GPA.
- Recipient of the Dean's Award for excellence in computational finance.
BS in Computer Science · Massachusetts Institute of Technology
Cambridge, MA · 2010 - 2014
- Member of Upsilon Pi Epsilon honor society.
- Completed thesis on distributed algorithms for high frequency trading.
Skills
Frequently asked questions
Is the example from an employee?
No. It is an AI-written example for this ad, made to show how a resume can answer it.
Do I need a computer science degree?
No. The ad explicitly states that Monzo does not require formal qualifications or degrees for any of its engineering roles.
Is this role remote?
Yes, for candidates in the United Kingdom. You can work from the London office or anywhere in the UK. There is no requirement to attend the office, though some ad hoc meetings in London may occur.
Where do I apply?
On the official Monzo posting, through the job link on this page.
What happens when I tailor my resume here?
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