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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.

Title splash for Processing International Payments
Technology
31 July 2024

Building a processing system for International Payments

Gain an understanding of how International Payments are sent and received and how we process them at Monzo. We are making this seamless to customers whilst also having a strong focus on development experience

The ultimate guide on using AI to ace an interview at Monzo cover image
Technology
30 July 2024

The ultimate guide on using AI to ace an interview at Monzo

We think there are lots of benefits associated with AI, but we have a human approach to hiring. At every stage there is a person reviewing and making decisions to ensure we're able to bring the best people to Monzo.

Hero image for blog post "How we securely generate sensitive secrets"
Technology
22 July 2024

How we securely generate sensitive secrets

We regularly have to create and manage secrets that grant very sensitive privileges, and so we’ve created a new process that makes it fast and easy for us to securely and verifiably perform all kinds of sensitive operations.

Image of the title that says 'Making mortgages more Monzo' with a graphic of a house next to it.
Technology
19 July 2024

Making mortgages more Monzo

This blog talks about how we went 0-1 with our new Homeownership mortgage feature. It gives insight into how we transitioned from a mortgage-focused to a home-focused view, where equity (customer’s progress) sits at the heart of the experience.

Title image that reads 'Delightful Payments' with an image of colourful coins.
Technology
3 July 2024

Delightful Payments

This post is about how we built the Delightful Payments which directly replaced our P2P (Monzo-to-Monzo) and FPS (bank transfers) payment flows, including how we iterated on product in-parallel with design, and continuous feedback cycles.

Image of the title: Securing our software supply-chain better with reproducible builds for enclaves. The image has a bright coral border.
Technology
20 June 2024

Securing our software supply-chain better with reproducible builds for enclaves

This blog talks about how we protect our workloads against supply chain attacks, specifically by achieving bit-by-bit reproducible builds, and how we have adopted Nix an alternative to Docker for build environments.

Image of the title that reads: 'How we use incremental modelling to handle billions of events every day' in hot coral writing, with a turquoise graphic of a phone.
Data
Technology
29 May 2024

How we use incremental modelling to handle billions of events every day

This post is an overview of how we leverage incremental modelling, a data transformation technique which helps us scale sustainably as we blast off to 10 million customers 🚀