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Software Engineer III

Hybrid in BarcelonaΒ·Added 8 days ago

Monzo

11 open roles

Overview

Job details

  • Hybrid

    Office and home days β€” the ad has the split.

Requirements

  • Have the right to work in Spain

    Monzo doesn't mention sponsorship in the ad.

  • Be near Barcelona for hybrid days

    No relocation package mentioned.

  • No studies required

    β€œWe do not ask for formal qualifications or degree requirements for any of our engineering roles.” β€” per the ad.

Pay & benefits

What you'll get

πŸ’° Base salary for this role is depending on experience + Incentive Awards tied to your performance + benefits

πŸ“Barcelona, Spain

⏰ 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.

πŸ“šLearning budget of €1,200 a year for books, training courses and conferences

Requirements

What we're looking for

  • you have strong experience working on the backend of a technology product
  • you want to be involved in building a product that you (and the people you know) use every day
  • you have a product mindset: you care about customer outcomes and you want to make data-informed decisions
  • you're comfortable working in a team that deals with ambiguity
  • you're interested in distributed systems and writing resilient software
  • you have some experience with strongly-typed languages (Go, Java, C, Scala etc.).
  • you think you'd enjoy the kind of work we're doing

We're on the look out for L40 Engineers at the moment, you canEngineering Progression Framework you will be interviewed across the whole framework, so if you're not sure what level you're aiming for chat to your recruiter!

Not ticking every box? That's totally okay! Studies show that women and people of colour might hesitate to apply unless they meet every single requirement. At Monzo, we're dedicated to creating a diverse and welcoming team. If you're passionate about this role and keen to learn and grow with us, we encourage you to apply- even if you don't have everything thats listed just yet. Drop us your application, we'd love to hear from you!

Nice to have

We hire very technically agnostic so whilst we use the below technologies we do not expect prior knowledge, you will be fully supported in our organised onboarding to get up to speed in the below:

  • Go to write our application code (there's an excellent interactive Go tutorial here)
  • Cassandra for most persistent data storage
  • Kafka for our asynchronous message queue
  • Kubernetes and Docker to schedule and run our services
  • Envoy Proxy for RPC
  • AWS for most of our production infrastructure and GCP for most of our data infrastructure
  • React for our public web apps and internal tools
  • We also have physical datacenters with actual cables to connect to various third parties

Education & certifications

Our backend engineers have a variety of different backgrounds. As long as you enjoy learning new things, we'd love to talk to you. We do not ask for formal qualifications or degree requirements for any of our engineering roles.

The role

πŸš€ 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 ❀️

What you'll do

This role is all about collaborating with your team to make a difference to your customers. As a backend engineer you'll work in a squad alongside other disciplines like product managers, marketers, user researchers, designers, mobile engineers, web engineers, data analysts, business analysts, writers and more!

Together you'll build and support a particular part of Monzo. Our squads belong to our wider collectives (a word we use to describe self-governing business units of ~100 people). They are; Core Banking, Business Banking, Wealth, Borrowing, Growth, Payments, Platform, Fincrime, Security & Expansion.

They're all looking for additional Backend Engineers right now, we do a standard interview process across all our collectives and at the end we will find the best match for you based on your skills, experience, preferences and aligning with the business need!

How you'll work

πŸ“Barcelona, Spain | πŸ’° Base salary for this role is depending on experience + Incentive Awards tied to your performance + benefits
Hybrid model: 3 days a week in the office

Hiring process

5 steps5 interviews
  1. Recruiter call

    With a recruiter

    Learn about you and explain the role and process; the outcome is always shared.

  2. Initial call

    With engineers, possibly future teammates Β· Video call Β· 60 min

    Deep dive into recent projects, technical challenges and cross-functional work.

  3. Take-home or pair coding

    With an engineer Β· 45 min

    Choose an asynchronous take-home in any language followed by a review call, or a 45-minute screen-shared pairing session; not a speed test.

  4. Systems design

    With an engineer Β· Video call

    Design a scalable, reliable system on a shared sketching tool such as Excalidraw.

  5. Behavioural

    With two interviewers, engineers or engineering managers Β· Video call Β· 60 min

    Teamwork, communication and delivering projects at pace.

  • A hiring committee reviews all interview feedback and matches you to a team before an offer.
  • Interviews may include an observer who is learning to interview.
  • AI tools are fine for preparation but not allowed during interviews.

Hiring process

Our interview process involves three main stages:

  1. Initial Call
  2. Take home task or pair coding exercise
  3. Final interview: including a system design and a behavioural interview

Our average process takes around 4 weeks but we will always work around your availability.

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

About Monzo

Monzo is a UK-based digital bank and fintech company that offers mobile-first banking services, including current accounts, savings, and lending products. Founded in 2015, it has grown to serve millions of customers across the UK and has expanded into the US market. The company is known for its user-friendly app, real-time spending notifications, and innovative financial management tools, positioning itself as a challenger bank in the European fintech landscape.

Monzo has established a significant presence in Spain, with a growing team of engineers, risk managers, and product specialists based in cities like Madrid and Barcelona. The company's culture emphasizes transparency, customer focus, and a collaborative engineering environment, making it an attractive destination for international professionals. With a strong commitment to diversity and inclusion, Monzo offers relocation support and a dynamic work environment for those looking to contribute to a leading digital bank in Europe.

Industry
Fintech
Founded
2015
Employees
1,000–5,000
Headquarters
London, UK
In Spain
Madrid, Barcelona
Website
monzo.com

Good to know if you are moving

  • Monzo offers a hybrid working model, allowing flexibility between office and remote work.
  • The company provides visa sponsorship for international hires, facilitating relocation to Spain.
  • Monzo's engineering culture emphasizes modern practices like microservices and continuous delivery.
  • Employees enjoy a competitive benefits package, including health insurance and stock options.
  • The Spain office is part of Monzo's EU expansion strategy, offering growth opportunities in a new market.

In their own words

About the company & team

We have over 650 engineers across Monzo who design and build our in-house banking platform. We have big ambitions for the future, and technology plays a big role in creating a bank our customers want, so engineers at Monzo collaborate across disciplines to solve interesting challenges throughout the company.

These range from the products our customers use everyday to underlying infrastructure, security, payments and finance, customer operations, financial crime, and data, to name just a few areas. As a bank, there is scope for impact across a huge number of opportunities.

We contribute to open source software as much as possible. Our blog is a good place to learn even more about what we do!

Additional information

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 canblog, 2026 Diversity and Inclusion Report and 2025 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 😊

All open roles at Monzo

Location

Monzo Β· Barcelona

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