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Griffin Bank | Engineering | REMOTE (UK) Company: We are Griffin Bank. We are a fully authorized, API-first bank; we bank fintechs and startups. We built our own core banking system from scratch. Experience: We are hiring across broadly across engineering. The things we work on include onboarding and KYC, payments rails, accounting, billing and reporting. We are hiring backend and frontend engineers. We are currently about 80 people, with 30 of them in engineering.

Tech: Clojure, FoundationDB, Bazel, CLJS, Svelte

https://jobs.ashbyhq.com/griffin/c8eaae48-e84f-4dae-8c34-099...


The Clojure version is not AOT'd, so it's measuring startup + compiler time. When properly compiled it should be comparable to the Java implementation.


Griffin Bank UK uses it for our entire system (https://griffin.com)


Griffin Bank | Engineering | REMOTE (UK) Company: We are Griffin Bank. We are a fully authorized, API-first bank; we bank fintechs and startups. We built our own core banking system from scratch.

Experience: We are hiring across broadly across engineering. The things we work on include onboarding and KYC, payments rails, accounting, billing and reporting. We are hiring backend and frontend engineers. We are currently about 80 people, with 30 of them in engineering.

Tech: Clojure, FoundationDB, Bazel, CLJS, Svelte

Apply: https://jobs.ashbyhq.com/griffin/8d98eb78-e281-4860-b578-fc1...


> WFA - Everyone gets up to 20 ‘work from abroad’ days a year

Does this apply to remote employees as well - and how strictly is it enforced?


It's fairly strictly enforced. The reason is that in many jurisdictions, you can accidentally create employment tax liability by working remotely for too long in the country.


Griffin Bank | Engineering | REMOTE (UK)

Company: We are Griffin Bank. We are a fully authorized, API-first bank; we bank fintechs and startups. We built our own core banking system from scratch.

Experience: We are hiring across broadly across engineering. The things we work on include onboarding and KYC, payments rails, accounting, billing and reporting. We are hiring backend, frontend and design system engineers. We are currently about 80 people, with 30 of them in engineering.

Tech: Clojure, FoundationDB, Bazel, CLJS, Svelte

Apply: https://jobs.ashbyhq.com/griffin/8d98eb78-e281-4860-b578-fc1...


Clojure does have stateful quickcheck library now: https://github.com/griffinbank/test.contract

Parallel testing is interesting, but hasn't been a large source of pain yet.


We could in theory bank other banks, but that's not our focus. Our current customers are mostly regulated non-bank financial institutions, E-Money and Client money. As an American analogy, think Square Cash, Venmo, Paypal.

Longer term our aspiration is to also be the business bank for technology companies e.g. Apple or AirBnb or Uber. Currently Goldman is a big player in that space.


It is a tall order, but but it's doable. The most important thing is to reduce the surface area of your application. Our business logic is almost entirely pure. The 'procs' have no side effects, except for things that happen on the other side of a clojure protocol (java interface). That means all side effects can be stubbed out during tests.

Our "user" code has no access to threading libraries. Threading happens in "kernel" code.

Watch https://www.youtube.com/watch?v=4fFDFbi3toc for a good example of how this has already been done in practice.


AFAICT you're describing exactly what I mean when I say a fully synchronous system.


What is the performance problem?


Griffin (https://www.griffin.sh) | UK, Ireland, Germany, Sweden, Portugal, Estonia | Full-time | Remote | Engineering

We're a new Banking as a Service provider (think AWS for financial services) currently seeking authorisation to become an API-first, fully regulated UK bank.

We believe that in the future, most financial innovation will happen outside banks rather than inside them, and Griffin will be the platform that all future fintechs use rather than the legacy big banks.

And a bit more about us: https://griffin.sh/culture We're looking for thoughtful people who strive to be kind in their words and actions. As product designers, we are always looking for ways to simplify complex things and we take security very seriously. As a financial institution, we believe that our customers' trust is our single most valuable asset and we will go above and beyond to earn and keep it.

Our backend stack is Clojure, FoundationDB, Kubernetes and AWS

Our frontend stack is CLJS, Reframe, Reagent, React, Stitches, Storybook, and Playroom.

Our build system is Bazel, CircleCI, AWS CDK We have an office in London but our team are distributed throughout the UK, Ireland, Germany, Sweden, Portugal and Estonia. See our jobs page for more info: https://griffin.sh/careers


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