Senior Backend Engineer I - Spend Authorisation

Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed.

Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a mission to make their life easier and save them money.

As part of our team, you will be helping us create an entirely new network for the world's money. For everyone, everywhere.

More about our mission.

Team you will be working with: Spend Authorisation

The Spend Authorisation team is a global product team enabling our Customers to pay with Wise Card. We do this by creating highly scalable and robust services and by having a direct interaction with Visa and Mastercard. We also take care of Card tokenization to digital wallets like GooglePay, ApplePay and many more. Card issuing is the easiest way to let customers spend their money, but we should keep in mind that cards are only one of the possible solutions to spending problems and as the domain evolves new opportunities that could help our Customers emerge.

Our mission statement for the Spend and Wise tribe is: Give our customers reliable, easy to use and eventually free way to pay from borderless accounts everywhere in the world.

What we expect from you: 

• You have 5+ years of Java 8+ knowledge, experience with Spring framework

• A strong product mindset and passion for customer experience, you prioritise work with the customers in mind and make data-driven decisions to fix customer pain-points

• Great communication skills and the ability to articulate complex, technical concepts to non-technical audience

• Experience working with relational and non-relational databases, query optimisation and designing schemas

• You enjoy writing clean and testable code

• You believe in and follow best coding practices, code reviews and open feedback

• Experience with CI/CD pipelines and Distributed and Concurrent Systems

What does success look like?

• You’ll have onboarded and found your place through understanding your team and tribe vision and how you can contribute

• You’ll understand how our values can help you guide your work

• You’ll understand the reasons behind problematic payments and customer difficulties and how to go about solving them

• You’ll be raising the automation level to enable scaling of the product

• You’ll understand our customers and the impact our product makes in their lives 

• You’ll help us scale-up and build a world class global banking product by finding solutions to our technical challenges and opportunities

Interested? Find out more:

• How we work – a practical guide

• Wise Tech Stack (2025 update)

• Our Engineering career map

• Scaling our Infrastructure; how we make it work

• Wise Engineering – https://medium.com/wise-engineering

What do we offer: 

• Starting salary: Base salary of £85000 - £105000 + RSU

• Wise Benefits

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For everyone, everywhere. We're people building money without borders  — without judgement or prejudice, too. We believe teams are strongest when they are diverse, equitable and inclusive.

We're proud to have a truly international team, and we celebrate our differences.
Inclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers.

If you want to find out more about what it's like to work at Wise visit Wise.Jobs.

Keep up to date with life at Wise by following us on LinkedIn and Instagram.