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
Barcelona (ESP) | Base salary for this role is depending on experience + stock options | Hybrid model: 3 days a week in the office
Our mobile engineers have a variety of different backgrounds
There are ~40 iOS engineers at Monzo and we're looking for 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 of us 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.
Monzo works in small, interdisciplinary teams
We have around 400 engineers out of roughly 4,500 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 will 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.
Your day‐to‐day
We're searching for product‐focused iOS engineers to evolve our native mobile app. You'll take pride in building polished user experiences, and you'll balance the need for well‐tested resilient code with moving fast and iterating.
You will be working on a product that is a part of day‐to‐day life for more than 11 million people already, and your work here will shape the way that people interact with their finances.
As an iOS Engineer at Monzo you will work in a small, autonomous product squad alongside Android Engineers, Backend Engineers, User Researchers, Product Designers, Product Managers, QA Testers, and Data Scientists.
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. Mobile engineers at Monzo work on everything from the personal banking product to customer support tools. We also have a small mobile platform squad dedicated to enabling other engineers to move faster.
Every week we meet as an iOS discipline to discuss tools, techniques, problems we're encountering across the company and work together to improve our codebase and processes.
You will report to an engineering manager who will meet with you every 1‐2 weeks 1:1. They're dedicated to helping you grow and develop as an engineer.
Our iOS app
Our app is 100% Swift and our latest features are built in SwiftUI and using elements of The Composable Architecture. Historically we built using a Model, View, View‐Model architecture (MVVM). We use Coordinators to ensure we can re‐use flows wherever possible, and we avoid tightly coupling one screen to another. We make heavy use of protocols and extensions throughout our app.
Our networking stack is built upon Alamofire, using a generic interface to easily de‐serialise objects of a certain type, and we mirror our backend micro‐service architecture by building individual services to house our API logic. We log liberally to get alerted when they're triggered in Sentry which we also use to monitor crashes.
Our testing stack comprises of unit tests for business logic, stubbed API tests for pseudo‐integration tests, snapshot tests for UI, and XCUITest for testing user input and sequencing.
We've published some talks and blog posts about how we work
Working with backend services on iOS
Pushing Protocols to their Limits
Our mobile release process: An illustrated story
What we've learnt building a design system in SwiftUI
You should apply if
You care about the impact your work has on our customers, and optimise for outcomes rather than the number of lines of code you output
You're excited about and have experience in programming in Swift
You've shipped and iterated on at least one app in the App 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 computer science principles
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.
What's in it for you
Base salary range for this role is depending on experience + equity + stock options & benefits
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
Equal opportunities for everyone
Diversity and inclusion are a priority for us and we're making sure we have lots of support for all of our people to grow at Monzo. At Monzo, we're embracing diversity by 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, 2024 Diversity and Inclusion Report and 2024 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.
If you have a preferred name, please use it to apply. We don't need full or birth names at application stage
Seniority level
Mid‐Senior level
Employment type
Full‐time
Job function
Engineering and Information Technology
Banking
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