Skip to Content

Technology

Cover image for Demystifying the Senior Staff+ Engineering interview process
Technology
2 May 2025

Demystifying the Senior Staff+ Engineering interview process

We want to explain exactly what our Senior Staff+ interview process entails to make it fair and transparent for all our applicants. This post explains what you should expect from each of our interviewing stages and how to prepare.

A title image that says 'How we built a product to demystify credit scores' in hot coral writing aligned to the left side against a very light green background. On the right side at the top is a logo in hot coral that says 'monzo'; bottom right shows a rainbow coloured barometer with a smiley face.
Technology
1 May 2025

How we built a product to demystify credit scores

This blogs explains the process of building and iterating on credit insights. We give you insight into how we use research to build products that meet customer needs, both at the start of the product design process and on an ongoing basis.

Hero image for blog post "Processing payments in Monzo Stand-in"
Technology
3 April 2025

Processing payments in Monzo Stand-in

Monzo Stand-in is able to process payments in the event of a major outage of the Primary Platform. Customers can continue to use their card and send or receive bank transfers as normal

We've updated our engineering principles Blog Post Hero Image
Technology
28 March 2025

We’ve updated our engineering principles

At Monzo, we have a set of engineering principles which encapsulate what we value as an engineering organisation. We first wrote our engineering principles in 2018, and recently invested in updating them to better reflect where we are now

Blog Post Header for Blog Post Tolerating full cloud outages with Monzo Stand-in
Technology
13 February 2025

Tolerating full cloud outages with Monzo Stand-in

We built a completely separate backup banking infrastructure called Monzo Stand-in to add another layer of defence so customers can continue to use important services provided by us

The background is a very light white green colour. title of the image says 'Making identity verification more accessible' in bright coral writing. There's a bright coral logo in the right hand corner that says 'monzo'. Bottom right is a graphic of a woman holding a phone taking a picture or video.
Technology
6 February 2025

Making identity verification more accessible

At Monzo we’re trying to be an inclusive company that pushes boundaries in an attempt to reach our mission, to “Make money work for everyone”. We are taking steps to ensure everyone can us Monzo independently.

Title image that says 'How each role in Borrowing Data allows us to think big and innovate' in white writing, against a background image of a person's legs walking across the frame wearing red slippers and stripy socks, with a red ombré background.
Technology
16 January 2025

How each role in Borrowing Data allows us to think big and innovate

Monzo has a huge variety of data roles in our Borrowing team that contribute to developing our credit products. In this blog we tell you what Borrowing at Monzo is, how it fits into Monzo, what the types of roles we hire for, and how to apply.

A header image on the left side that reads 'Don't let go of your creative spark' in a bright hot coral colour. The Monzo logo is smaller in the right hand corner. Bottom right is a graphic of a colourful notepad and pencil.
Technology
13 December 2024

Don’t let go of your creative spark

Our Product Designer, Victoria, talks about her learnings from the course '100 Design Projects' she attended this year, including sprinkling your own personality in every project and making sure you reflect on your own creative process.

Cover image shows the blog title in white 'How our design team shapes products for our customers'; with an image of someone holding an iphone with the Monzo app open, with a bright coral background.
Technology
21 November 2024

How our design team shapes products for our customers

This blog explains why design and research is so impactful at Monzo. We explain how we give designers and researchers an abundance of autonomy to help make decisions, and why it makes our team an outlier for those who care about making a difference.

Title image for blog post "Inclusive Hiring in Engineering at Monzo"
Technology
7 November 2024

Inclusive Hiring in Engineering at Monzo

Monzo cares about inclusive hiring in engineering by doing things like advertising our salaries on our job ads, sharing our process transparently, and providing different options for doing different technical interview stages

Title image for blog post "Vertically scaling ordered consumption using Kafka"
Technology
29 October 2024

Vertically scaling ordered consumption using Kafka

We built our “unordered concurrent” subscription knowing that we could eventually extend it to support ordering in Kafka

Enabling horizontal autoscaling with co-operative distributed rate limiting
Technology
30 September 2024

Enabling horizontal autoscaling with co-operative distributed rate limiting

Monzo runs almost 3,000 microservices to power everything. A core part of being able to run all these systems and features safely is rate limiting. In this blog post we describe how that gets us to doing what we call “distributed rate limiting.”

We built a better system for scheduling cron jobs title image
Technology
18 September 2024

We built a better system for scheduling cron jobs

We built a system to define scheduled jobs that moves away from cron and adds support for timezones, better monitoring and a more delightful developer experience

Image of the title that says 'How we cut time to sign up for Monzo US from 17 minutes to 4 minutes' in hot coral with a graphic of a watch to the bottom right
Technology
4 September 2024

How we cut time to sign up for Monzo US from 17 minutes to 4 minutes

This blog talks about how our Monzo US team revamped the signup process for customers by experimenting with signup funnel improvements, increasing the rate of completion by a massive 400%

Title image for "How we run migrations across 2,800 microservices"
Technology
26 August 2024

How we run migrations across 2,800 microservices

We’ve got a lot of value from our microservices architecture (2,800 and counting!), but this architecture is not without its challenges. One of those challenges is how to make sweeping library changes across all those services.