About the role

We are looking for a Senior Software Engineer to join our Business Expense Management team. You’ll own everything related to the process of tracking, submitting, and managing business expenses as smoothly and hassle-free as possible. We help businesses collect receipts and information about expenses in the most convenient way, so our customers can focus on their work. You’ll have an opportunity to build solutions that help employees easily submit their expenses, ensure compliance with company policies, make expenses transparent for monitoring and keep bookkeeping clean.

How we work

For everything we do, we keep our customers' needs in mind. To provide the best experience for businesses, we prioritise projects using deep research based on the data, collect the feedback from customers and learn from our mistakes. At Wise, we believe in independent teams where we define our priorities ourselves and everyone can come up with ideas and suggestions.

We operate on a strong belief in automation, programmatic implementation, and reusable design. We’re looking for people who can step back and think holistically about the ecosystem, but also follow through and help implement the design; drawing on the resources across the rest of the global product tribe.

We need to sustain this growth by continuously iterating on the services we run, with a focus on availability, security, and ease of use. We’re looking for an engineer with relevant experience who can analyse complex requirements and deliver simple solutions to help our teams achieve our mission with speed and confidence.

What will you be working on?

• Design, develop, and maintain highly scalable services.
• Producing public facing APIs for others to integrate with.
• Collaborate with teams across Wise to deliver real impact and expand the functionality we can offer to our partners on our platform.
• Working closely with other members of the team to solve complex problems.
• Advocating best practices and code reviews and mentoring junior engineers

What do you need?

We are fully aware that it is uncommon for a candidate to have all skills required and we fully support everyone in learning new skills with us. So if you have some of those listed below and are eager to learn more we do want to hear from you!

• Experience in designing, building public API platforms that others integrate with.
• Strong understanding of Java with experience with Spring boot
• Experience with microservices and event driven design.
• Worked with Kafka or similar messaging systems
• Knowledge of relational databases. SQL query optimisation and designing schemas is a plus
• A strong product mindset and sense of ownership to enable you to make the best technical decisions and prioritise your work.
• Great communication skills to drive projects across teams and be able to communicate complex technical concepts to both technical and non-technical audiences.
• Able to work independently while still being a good team player.

Interested? Find out more:

The Wise Tech Stack, 2025 Edition.

Scaling our Infrastructure; how we make it work

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

What do we offer:

Starting salary: £85,000-£105,000 + RSU

Wise Benefits:

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.

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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 lives 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 and what we offer.