Back End Developer

p• Do you want to grow as a strongbackend engineer on distributed systems /strong where a payment has to be correct the first time, and still correct when a device retries? /pp• Would you like to strongput your teeth into Go services around physical terminals /strong, next to a strongCTO and a senior team /strongwhere you can learn an insane amount fast? /pp• And do you say yes to anstrong indefinite contract from day one /strong, up to strong€85.000 plus €20.000 /strong in stock, in an strongAmsterdam team with more than 30 nationalities? /strong /ppThen this role is worth your attention. /ppstrongYour employer: payment infrastructure that now also has to work in the shop /strong /ppEvery day, money moves through systems most people never think about. For a merchant it should feel instant.strong Behind that sits infrastructure that has to be available, observable and right, 24/7. /strong /ppYour future employer is an strongAmsterdam fintech scale-up building that layer cloud-native /strong. Not a checkout widget.

Core processing, already in production for serious customers. /ppThey are now adding the terminal. A device has to know which merchant it belongs to, which currency, which flows are allowed, how it gets provisioned without ever being able to act for the shop next door. Hardware comes from a partner.strong This team gets to invent the backend around it. /strong /ppThat is the underlying need: you want to strongbecome stronger at systems where idempotency, encryption and failure handling are not exam questions /strong.

They are why a real shop can take a real payment. Here you still see the effect of your own code, because the company is small enough to know people by name and serious enough that a wrong state is real money. /ppstrongThe people are sharp, low-ego and emotionally intelligent. /strong They like CS fundamentals and first-principles reasoning. Strong opinions are welcome when you can walk them to the whiteboard. /ppAs Backend Engineer Amsterdam you get the chance to stronggrow in a small Go team that sits next to the CTO /strong.

This allows you to learn a lot quickly, be there where there is still a lot of design and have an amazing impact on the success of the company. /ppstrongIn this team can put your teeth into the ugly, interesting problems. /strong What happens when a device comes online twice? When a retry would charge twice? When configuration and merchant identity drift?

How do you join certified, secure building blocks into something a merchant never has to understand? /ppYou take services through design, tests, deploy and production. strongBattle scars from running your own code are exactly what makes this fun: observability, change management, the /strong 3am path you hope you designed out. /ppOver time you can grow into a stronger senior backend engineer, and even lead engineer or team lead within the company. The path is meters in the code, in a product line that is still being born. /ppstrongWhat is required /strong /pp• strong2 to 6 years as a backend engineer /strong /pp• Experiencestrong building and operating services in production /strong, with the battle scars to prove it /pp• Comfort with strongdistributed systems: retries, idempotency, state that has to stay correct /strong /pp• strongGo in production, /strongor a strongly typed backend language and a real wish to go deep in Go here /pp• strongCS fundamentals and first-principles thinking; a technical MSc is a strong plus /strong /pp• strongYou explain trade-offs clearly, in English, /strong without hiding behind jargon /pp• strongHigh emotional intelligence: low ego, hungry, you like being challenged by people who are better than you /strong /ppstrongNice to have /strong /ppstrongWhat is offered /strong /pp• strongSalary up to €85.000 plus €20.000 in stock options, /strong with the sstrongolid chance to 10x or more /strong /ppstrong• Indefinite contract from day one /strong /pp• 25 holidays, excellent pension, flexible hours /pp• Hybrid Amsterdam, at least three days in the office, more during onboarding /pp• Travel expense reimbursement, laptop or MacBook /pp• International engineering team, 30+ nationalities /ppstrongWould you like to grow as a backend engineer on problems where distributed systems, idempotency and production ownership actually matter, while a shop somewhere takes a payment that has to be right? /strong /ppApply via the form or send your CV to Robert Hawker at /p