Staff Backend Engineer

📍London / UK Remote | 💰 Staff Backend Engineer (L60) £130,000 - £170,000 + Equity + Benefits | Technology - Engineering

About our Engineering Teams

We have around 650 engineers out of roughly 5,500 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'd 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.

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

We rely heavily on the following tools and technologies

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

Envoy Proxy for RPC

Kubernetes and Docker to schedule and run our services

AWS for most of our infrastructure

React for internal web dashboards

We also have two physical datacenter sites with actual cables to connect to various third parties

Your day-to-day

This role is all about collaborating across disciplines to test hypotheses and make a difference to customers. As a product backend engineer you’ll work in a squad alongside 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.

All of our collectives are doing innovative work, many of which have machine learning and AI at the forefront- from fighting financial crime to building smarter financial tools - and you may have the opportunity to join a collective that gives you direct exposure to this exciting space.

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.

How we work 💻

Locations & Flexible Working

Our main tech hub is in London, but our engineers live everywhere in the UK— from Brighton to the Western Isles.

We value meeting in person but we don't have a mandated requirement on office attendance, even if you're nearby. We believe you'll do your best work if you are where you want to be. If you live outside of London and we ask you to come into the office, Monzo will support you with the costs. ✨

Our offices are naturally social, especially Tuesdays, Wednesdays and Thursdays, which happen to line up with our twice-weekly Monzo lunches & treat Thursdays 🍽️. Teams also schedule time together often for work and play – in or around the office, or online.

Set up a work schedule that delivers impact and fits your life

At Monzo, we value connections, flexibility, and wellbeing. We keep our meetings during core hours to stay connected and believe in maintaining work/life balance.

You’ll be empowered to manage your work in a way that suits you and your team, giving you the freedom for children drop-offs and pick-ups, walking your dog or adventurous cat, avoiding peak commuting times or gym slots, appointments, or supporting your family in an emergency. 🕒✨

If you prefer to work part-time, we'll make this happen whenever we can - whether this is to help you meet other commitments or strike a great work-life balance.

Work the way that works for you with Monzo! 💼

You should apply if

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 L60 Engineers at the moment, you can read more in our Engineering Progression Framework we are also hiring on L40 & L50, our interview process will determine your levelling.

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.

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

What’s in it for you

💰 £130,000 - £170,000 + Equity

✈️We can help you relocate to the UK

✅ We can sponsor visas.

📍This role can be based in our London office or remotely across 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

We're usually always hiring for Backend Engineers, so there's no closing date for this job.

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