Software Engineer, Backend Developer
Listed on 2025-11-02
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Software Development
Software Engineer, Backend Developer
About Griffin
Hi, we’re Griffin! We’re the bank for companies who want to build and launch financial products.
Our contextWe're rapidly heading towards a future where most of us access financial services through technology companies rather than high street banks. All sorts of companies are now embedding financial products into their apps and user journeys so that their customers can seamlessly make payments, manage expenses, take out loans, save, invest, and do more.
The problem is that companies are still dependent on legacy banking infrastructure if they want to offer regulated financial products. They need to either partner directly with an incumbent bank and/or stitch together middleware from various Banking as a Service (BaaS) providers. This process is slow, expensive, and complex and makes it very hard for companies to get new financial products off the ground.
At Griffin, we want to change this.
Our purposeWe want to make it easy for companies to bring finance to their customers at the point of greatest relevance. So, we built a bank.
But not just any bank! Griffin is a technology platform and a bank: fully regulated, API-first, developer-centric, and purpose-built to serve innovative fintechs and brands who want to build and embed financial products.
Learn more about what we do.
Our cultureOur culture is our most important asset, and one of the ways we safeguard it is by being extremely intentional about hiring the right people. We won't hire people who don’t seem like a strong fit for our core values, even if they're otherwise extremely qualified.
We also believe that smart, motivated, conscientious people thrive in high-trust, high-autonomy environments. That’s why we’re transparent by default, and we encourage open discussion and challenge across all levels of the organisation. We’re also remote-first, asynchronous, and fully flexible - because you're the expert on how and when you do your best work.
Learn more about our culture.
The Craft FunctionWe have six Product Engineering teams within Craft:
Banking, Infrastructure, Onboarding Fin Crime, Payments, Platform, and Tooling. Each team is cross-functional, with the Product, Design, and Engineering skills required to discover, shape, architect, build, test, and run end-to-end features.
Rather than "move fast and break things", we aim to move thoughtfully and to make few mistakes. We are an output-driven environment that operates with extreme autonomy; people are free to keep their own hours and we don't micro-manage each other.
Our backend stack is Clojure, Foundation
DB, Bazel, Kubernetes, and AWS
Our frontend stack is CLJS, Reframe, Reagent, React, Stitches, Storybook, and Playroom
What will you be doing here?As a backend engineer you'll be responsible for building out one of our core product pillars, which handle core banking, compliance, accounts, and transactions. As a Bank with an integrated BaaS platform, we're building for scale—our infrastructure has to scale to tens of thousands of requests per second, with all systems fully correct and available. We also have fully-functional integrations with a half-dozen different payment rails such as Faster Payments, Direct Debit, CHAPS, and various card networks.
Whoare you?
The ideal candidate for this job will have most of the following:
- Ideally at least 2 years professional experience.
- Some professional functional programming experience.
- Either a very strong distributed systems background or a healthy amount of full-stack exposure (i.e. experience integrating front and backends directly).
- Experience collaborating with Product Managers and UX/UI Designers to build products that solve customer needs.
Nice to haves
- Experience with the other parts of our stack (Bazel, Foundation
DB). - Relevant domain experience in payments or core banking systems.
- Experience working with small teams, ideally in fast-paced start-up environments.
We are an early stage startup and we're working hard to expand our benefits package. We're planning to add to this list in the future.
- 25 days off a year + winter break (we close in between Christmas and New Year) + bank holidays
- Remote-first flexibility - work…
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