Were 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!Were not about selling products - we want to solve problems and change lives through Monzo Barcelona, Spain | Base salary for this role is depending on experience + stock options | Hybrid model: 3 days a week in the officeAbout Our Engineering TeamsWe have over 400 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!Your day-to-day This role is all about collaborating with your team to make a difference to your customers. As a backend engineer youll 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 youll 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.Theyre 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!Our backend engineers have a variety of different backgrounds. As long as you enjoy learning new things, wed love to talk to you. We do not ask for formal qualifications or degree requirements for any of our engineering roles.You Should Apply Ifyou have strong experience working on the backend of a technology productyou want to be involved in building a product that you (and the people you know) use every dayyou have a product mindset: you care about customer outcomes and you want to make data-informed decisionsyoure comfortable working in a team that deals with ambiguityyoure interested in distributed systems and writing resilient softwareyou have some experience with strongly-typed languages (Go, Java, C, Scala etc.).you think youd enjoy the kind of work were doingWe're on the look out for L40 Engineers at the moment, you can read more in our Engineering 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? Thats totally okay! Studies show that women and people of colour might hesitate to apply unless they meet every single requirement. At Monzo, were dedicated to creating a diverse and welcoming team. If youre passionate about this role and keen to learn and grow with us, we encourage you to apply even if you dont have everything thats listed just yet. Drop us your application, wed love to hear from you!What Youll Be Working OnWe 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 (theres an excellent interactive Go tutorial here)Cassandra for most persistent data storageKafka for our asynchronous message queueKubernetes and Docker to schedule and run our services Envoy Proxy for RPCAWS for most of our production infrastructure and GCP for most of our data infrastructureReact for our public web apps and internal toolsWe also have physical datacenters with actual cables to connect to various third partiesThe Interview ProcessOur 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 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.Whats In It For YouBase salary range for this role is depending on experience + equity + stock options & benefitsBarcelona, 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.Learning budget of 1,200 a year for books, training courses and conferencesEqual opportunities for everyoneDiversity and inclusion are a priority for us and were making sure we have lots of support for all of our people to grow at Monzo. At Monzo, were 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.