Senior Android Engineer Cardiff, London or Remote (UK Visa Sponsorship)

We’re here to make money work for everyone and we’re doing things differently. For too long, banking has been obtuse, complex and opaque.

We want to change that and build a bank with everyone, for everyone. Our amazing community suggests features, test the app and give us constant feedback so we can build something everyone loves.

We’re focused on solving problems, rather than selling financial products. We want to make the world a better place and change people’s lives through Monzo.

About our Mobile Engineering Team:

There are over 20 Android engineers at Monzo and we’re looking for one more to join the team. We have several non-graduates; only some of us studied Computer Science; some of us have worked in huge companies; some have only ever worked in startups; others are former consultants. As long as you enjoy learning new things, we’d love to talk to you.

What you’ll be working on:

At Monzo, you’ll get to work with industry standard tools and technologies – and help us define what great looks like for Android engineers.

Our app is almost 100% Kotlin, built using MVVM (Model View ViewModel) and Coordinators, and modularised by product feature.

We use RxJava, Retrofit and Moshi for API calls and Dagger for dependency injection. Room is our choice for persistence, and Repositories for interacting with them. We have built out our design system in Compose.

We use GitHub Pull Requests to do code reviews, and write unit tests for our ViewModels, Coordinators, and any other classes which contain logic. We write tests for all of our Compose screens and snapshot test them with Happo. We also use Espresso to test flows, which are executed through Firebase Test Lab and Circle CI.

We’ve previously written about building Monzo Chat on Android, which goes into detail on some of these elements.

This role is all about collaborating across disciplines to test hypotheses and make a difference to customers. As an Android engineer at Monzo you’ll work in a small, autonomous product squad alongside iOS Engineers, Backend Engineers, User Researchers, Product Designers, Product Managers, QA Testers, Data Scientists and Business Analysts.

Your mission will depend on the squad, but currently mobile engineers are working on the core personal banking experience, paid products, lending products, business banking and internal operations. We also have a small squad dedicated to enabling other mobile engineers to move faster.

You and your team will be responsible for an overall company goal, rather than building a specific feature – you’ll have the opportunity to have impact on both what we build, and how we build it.

Every week we meet as a discipline to discuss tools, techniques, problems we’re encountering across the company and work together to improve our codebase and processes.

You’ll report to an engineering manager who will meet with you every 2 weeks 1:1, their mission is to help you develop and grow as an engineer.

You should apply if:

We’re looking for Android engineers with strong product sensibilities. You’ll care about the impact your work has on our customers, and optimise for impact rather than the number of lines of code you output.

You should apply if:

  • You’ve shipped and iterated on at least one app in the Play Store
  • You have a product mindset: you care about customer outcomes and you want to make data-informed decisions
  • You love turning excellent design into beautiful products
  • You’re comfortable working in a team that deals with ambiguity
  • You have an understanding of the principles of computer science

The Interview Process:

Our interview process involves three main stages:

  • Initial Call
  • Take home task or pair coding exercise
  • Final interview including a system design and a behavioural interview

Our average process takes around 2-3 weeks but we will always work around your availability.

You will have the chance to speak to our recruitment team at various points during your process but if you

do have any specific questions or want to talk through reasonable adjustments ahead of or during application please us at any point on View email address on click.appcast.io

Please also use that email to let us know if there’s anything we can do to make your application process easier for you, because of disability, neurodiversity or any other personal reason

One of our engineers has written a detailed blog on their experience through this process, for extra details, hints and tips please see here .

This role can be based in our London office, but we’re open to distributed working within the UK (with ad hoc meetings in London).

We offer flexible working hours and trust you to work enough hours to do your job well, at times that suit you and your team.

Learning budget of £1,000 a year for books, training courses and conferences

And much more, see our full list of benefits here

Equal Opportunity Statement

We are actively creating an equitable environment for every Monzonaut to thrive.

Diversity and inclusion are a priority for us and we are making sure we have lots of support for all of our people to grow at Monzo. At Monzo, embracing diversity in all of its forms and fostering an inclusive environment for all people to do the best work of their lives with us. This is integral to our mission of making money work for everyone. You can read more in our blog , 2022 Diversity and Inclusion Report and 2023 Gender Pay Gap Report.

We’re an equal opportunity employer. All applicants will be considered for employment without attention to age, ethnicity, religion, sex, sexual orientation, gender identity, family or parental status, national origin, or veteran, neurodiversity or disability status.

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Where would you like to be based?

What attracted you to Monzo?

What’s the most interesting technical challenge you’ve solved recently? How did you approach it? *

What is the most well-designed app you’ve used? Why?

What’s your favourite consumer-facing product or feature you’ve built or contributed to recently? Who did you work with, what impact did you have, and what did you learn?

A US Person is defined as someone who:

  • was born in the United States (US)
  • has at least 1 parent who was born in the US
  • is a naturalised citizen of the US
  • is a green card holder
  • is a US tax resident

Please confirm your UK Right to Work status.

We legally have to verify your Right to Work in the UK before you can start working for us. We’re asking for this information now so we know later what type of right to work check we need to do. Your answer to this question won’t affect the outcome of your application, unless you’d need visa sponsorship but are applying to a role we can’t sponsor.

If you’d like to, please share your preferred pronouns (eg. they/them/theirs, she/her/hers).

If you’d like to, please spell out your name how it’s pronounced so we know how to say it.

Keeping your data safe is really important to us.

Our goal at Monzo is to make money work for everyone. To do that, working at Monzo must work for everyone. We want to create an equitable, engaged and innovative workplace which gives people from all backgrounds the support they need to thrive and grow.

Making Monzo work for everyone starts right at the beginning of every Monzonaut’s journey: when they apply to work here. This demographic survey will help us better understand the people who apply to work at Monzo. It’ll help us see how different groups progress through our hiring process, and where we need to make improvements to be more inclusive. If you choose to fill it out, all of the information you give us is:

  • Voluntary . And we’ve included a “prefer not to say” option for every question. It’d be helpful if you still fill out the survey even if you choose “prefer not to say” for every question, as it’s useful for us to understand & record this. We won’t know if you choose to fill this survey in or not.
  • Anonymous to Monzo . We can’t tie your responses to you and they won’t make a difference to the outcome of your application. We’ll only use grouped responses for equal opportunities monitoring in our hiring process.

By filling out this survey, you agree that we can use your responses for the purposes we’ve mentioned above. You are not letting us know if we need to make any adjustments to the hiring process because of disability or neurodiversity – to do this please email us.

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