Senior Software Engineer – Wise for Enterprise – Java

Wise; Greater London; On-site; GBP 85,000 - 105,000; Full time

Job summary

A global technology company is seeking an API Engineer to design and build public API platforms, leveraging Java and Spring boot. You will work on scalable services, ensuring a seamless integration experience for partners. Ideal candidates will possess strong technical skills in microservices and a solid understanding of databases. The role emphasizes collaboration across teams to deliver impactful solutions, making it vital to communicate complex concepts effectively. A commitment to inclusivity and diverse work culture is central to the company ethos.

Benefits

Starting salary: £85,000-£105,000 RSU

Diversity and inclusion initiatives

Opportunities for professional growth

Qualifications

• Experience in designing and building public API platforms.
• Strong understanding of Java and Spring boot.
• Knowledge of relational databases and SQL optimization.

Responsibilities

• Design, develop, and maintain highly scalable services.
• Produce public facing APIs for integration.
• Collaborate with teams to deliver impactful solutions.

Skills

API platform design

Java

Spring boot

Microservices

Kafka

SQL optimization

Communication skills

Job description

Company Description

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.

Job Description

About the role

We at Wise Platform (aka Wise for Enterprise) aim to be the infrastructure that powers the world’s money by connecting banks, financial institutions, and enterprises to our next-generation payment solutions. To achieve this we believe we have multiple product teams working on numerous complex products.

Our banks and financial institutions vertical teams aim to help banks to leverage Wise’s infrastructure to offer their customers world class payments products through their own channels. We are working at the forefront of innovation, playing a key role in building scalable and robust systems that power our global payment network.

The teams in our Online Platforms vertical teams aim to build the world’s best embedded finance platform for our partners. In the team you will be exposed to a wide range of challenges for our partners from being able to frictionlessly onboard their consumer and business customers to seamlessly moving money across borders.

Our API Experience team strives to ensure we set the industry standard for seamless financial enterprise integrations with Wise Platform’s API experience. Increase efficiency during development and maintenance of integration with our platform by setting the gold‑standard for intuitive, consistent, enterprise‑ready APIs.

Each team strives to truly understand what our partners need; working hand-in-hand with solutions engineers and business development to create powerful, scalable solutions for major global enterprises and banks.

How we work

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.

Qualifications

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.

Additional Information

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.Jobs.

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