Senior Platform Engineer
Listed on 2025-12-17
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Software Development
đ Weâre on a mission to make money work for everyone.
Weâre 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!
Weâre not about selling products â we want to solve problems and change lives through Monzo â¤ď¸
The Platform Collective builds and maintains the infrastructure, tools and processes that sets the rest of Monzo technology teams up for success. We work on a wide range of shared infrastructure, services and engineer tooling.
The Infrastructure Platform team sit within the Platform Collective and are responsible for running the Kubernetes clusters which all services which power the bank run on, our service mesh and networking setup and managing how other teams interact with our cloud environments. Our team is made up of backend engineers and cloud infrastructure experts, using our experience and software engineering skills to solve problems and manage our cloud infrastructure.
Our Infrastructure Platform team Has Two Focus Areas
We build and centrally manage the cloud infrastructure that underpins technology at Monzo, running across AWS and GCP we run components like Kubernetes and Envoy
We help other platform teams to succeed at using cloud infrastructure by abstracting away the complexity and enabling them to solve real customer problems
Weâre investing heavily in this team to support Monzoâs ambitions to grow from 10 to 20 million customers, expand the range of products to improve our customersâ financial lives and set up the foundations for scaling Monzo across the globe.
How we work đťLocations & Flexible Working:
Our main tech hub is in London, but our engineers live everywhere in the UKâ from Brighton to the Western Isles.
We value meeting in person but thereâs no pressure to come into the office, even if youâre nearby. We believe youâll 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. â¨
Our offices are naturally social, especially Tuesdays, Wednesdays and Thursdays, which happen to line up with our twice-weekly Monzo lunches & treat Thursdays đ˝ď¸. Teams also schedule time together often for work and play â in or around the office, or online.
What youâll be working with:We rely heavily on the following tools and technologies, please note direct experience in these technologies is not required and our interview process can be completed in any language:
- Go to write our application code (thereâs an excellent interactive Go tutorial here ), in platform we build services to manage parts of the platform
- Kubernetes most workloads we run are on Kubernetes with this team being responsible for the underlying cluster's management
- AWS and GCP whilst our primary platform is in AWS our footprint in GCP is continually growing and we are increasing our maturity across both of these platforms
- Terraform is primarily how we manage any resources deployed into the cloud
- You have experience working with AWS and/or GCP
- You have experience working with Kubernetes
- Youâd be excited to build a platform that enables success for everyone at Monzo
- Youâre comfortable working in a team that deals with ambiguity
- Youâre naturally inclined to solve problems through automation
- You have some experience with strongly typed languages, writing and working on backend software
- Youâre curious about systems and diving deep to investigate issues
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 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.
Whatâs in it for you:âď¸We can help you relocate to the UK
â We can sponsor visas.
đThis role can be based in our London office, but weâre open to distributed working withinâŚ
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