Senior Software Engineer I - Cash Management

At Wise, we believe in fostering a culture of collaboration and knowledge sharing, so you'll have the opportunity to become a domain expert in correspondent banking services and share your wisdom with the wider company during planning sessions. We value your active involvement in cross-team collaboration, representing Wise Platform and championing quality. You'll also get to be a mentor and guide to our talented junior engineers, providing them with technical leadership and promoting best practices.

To excel in this role, you should have a passion for building the future of international payments and a strong drive to connect banks and businesses globally with maximum ease and speed.

Our team Partner Cash Management builds and maintains the infrastructure that enables banks to fund, hold, and manage money efficiently within interbank payment networks. Our platform helps partners optimise liquidity, support seamless payments, and manage foreign exchange (FX) risk at scale.

What will you be doing?

Design, develop, and maintain highly scalable services in Java and Spring Boot within a microservices architecture.

Apply domain-driven design to build robust, scalable solutions.

Lead development efforts in event-driven architectures using Kafka or similar messaging systems.

Architect, design, and optimise relational databases (e.g., PostgreSQL) to ensure performance and scalability.

Collaborate with cross-functional teams to support partner integrations and expand the Wise payment platform globally.

Participate in code reviews, champion best coding practices and mentor 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!

Extensive experience with Java and Spring Boot for building backend services or similar languages and/or frameworks.

Strong expertise in microservices architecture and event-driven design.

Hands-on experience with Kafka or similar messaging systems.

Strong knowledge of relational databases like PostgreSQL, with the ability to design schemas, optimise queries, and ensure data integrity.

Proficiency in domain-driven design (DDD) to model complex business domains is a plus

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

Excellent problem-solving skills and the ability to work independently or in a collaborative team environment.

Strong communication skills, with the ability to convey technical concepts to both technical and non-technical audiences.

…but don’t worry we don’t expect you to know everything!

We are currently only considering local candidates as relocation support is not provided. For local candidates we are able to support transfer of visa sponsorship.

Interested? Find out more:

How we work – a practical guide

DEI @ Wise

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: £87,500 - £111,000

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.Jobs.

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