Staff Engineer

Earn and keep customer trust by building strong foundations to prevent and reduce financial crime
Grow Monzo safely by staying one step ahead of evolving financial crime risks that may inhibit our growth
Build a safer society by protecting the integrity of the financial system and keeping communities safe

Staff Engineer Responsibilities:
A Staff Engineer at Monzo is a technical (IC) leadership position. As a Staff Engineer in the Fincrime collective at Monzo, youll:

Partner with the Engineering Director supporting the collective and provide technical leadership across all squads.
Work with the product leadership team of your collective to ensure we are making the right trade-offs across squads.
Rally your team around a mission, objective or company priority, injecting urgency when needed or slowing down pace to make sure the right controls are in place
Understand several work-streams across your group keeping enough context to regularly provide technical advice to other engineers
Use your expert knowledge and experience to lead architectural discussions for the most complex systems in the collective. Youll do this in order to arrive at solutions that are robust and optimal given the context
Keep a high bar for technical excellence in the collective, through your own work, highlighting the work of others and calling out when things havent quite met the bar
Foster a culture of quality within your collective. Proactively championing measures to test work, and gets buy-in from stakeholders when this is not appreciated.
Pro-actively mentor, sponsor and up-level engineers

As a Staff Engineer in Fincrime, you will have company-wide influence, working with other collectives to grow Monzo safely. You will sit at the intersection of building products as well as ML models and platforms. You will make sure that our systems are fit for purpose and accelerate. You will prepare the team to respond to adversarial attacks by criminals and occasionally lead efforts to nullify such attacks. This is the most senior IC position within Fincrime.
What youll be using/ What youll be working on:
We rely heavily on the following tools and technologies:

Go to write our application code (theres 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
AWS for most of our production infrastructure and GCP for most of our data infrastructure.
React for internal Web dashboards
Feast for storing our features along a variety of tools to train and deploy models., 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, and at times that suit you and your team.
1,000 learning budget each year to use on books, training courses and conferences.
We will set you up to work from home; all employees are given Macbooks and for fully remote workers we will provide extra support for your work-from-home setup.
Plus lots more! Read our full list of benefits.
The application journey has 4 key steps
Our interview process involves four main stages after an informal recruiter call:

Recruiter Call
Initial Call
System Design Interview
Take home task or pair coding exercise
Final interview including a behavioural and a leadership interview

This process should take around 2-3 weeks - your schedule is really important to us, so we promise to be as flexible as possible!
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 tech-hiring@monzo.com 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 staff engineers has written a detailed blog on their experience through this process, for extra details, hints and tips please see here.
#LI-Remote
#LI-AL1

Equal opportunities for everyone
Diversity 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, 2022 Diversity and Inclusion Report and 2023 Gender Pay Gap Report.
Were 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.

You have a track record of technical excellence, delivering resilient systems, ideally behind consumer products
You have technically led large teams to solve complex product challenges and manage trade-offs.
You have experience working on Backend Systems, Data-intensive systems or real-world ML deployments
You have some experience in Financial Crime, Security, Fraud, Trust & Safety or Integrity
You want to be involved in building and protecting a product that you (and the people you know) use every day
You have a quantitative mindset: you care about outcomes and you make data-informed decisions
Youre comfortable working in a team that deals with ambiguity and have experience helping your team and partner team resolve that ambiguity
You think youd enjoy the kind of work were doing

Cardiff, London or Remote (UK)

Were on a mission to make money work for everyone.
Were waving goodbye to the complicated and confusing ways of traditional banking.
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
Hear from our team about what it's like working at Monzo

London / UK Remote | 140,000 - 190,000 + Share Options | Benefits | Technology About our Engineering Teams:
We have around 300 engineers out of roughly 3,000 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 youll 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.
About Financial Crime:
Our Financial Crime team includes over 75 technical staff (Backend Engineers, ML Engineers, Mobile Engineers, Web Engineers, Analytics Engineers, Data Scientists and Data Analysts).
Our vision for Financial Crime at Monzo is to enable products and services that solve for the financial needs of all customers AND inherently safeguard customers and society from the harm of financial crime. It has a major influence on the overall customer experience and has measurable outcomes for society, our customers and our business.
Our work to fight Financial Crime & Fraud is mission-critical to Make Money Work for Everyone