Senior Software Engineer I - Backend (Java) - Business Accounting Integrations and Reporting in Bristol

hackajob is collaborating with Wise to connect them with exceptional professionals for this role.

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.

The Business Accounting Integrations and Reporting is on a mission to simplify financial management for Wise's business customers. We build the integrations that allow businesses to seamlessly connect their accounting software with Wise, streamlining their reconciliation processes and improving financial reporting. Our work helps our business customers around the world gain better control and insight into their finances.

The team is made up of engineers distributed across London and Budapest and working with other teams in the Business Account Squad. Our ambitious roadmap for 2026/27 includes significantly expanding regional coverage, enhancing our reporting capabilities, and developing a reliable and extensible platform.

As a Backend Engineer on our team, you will be responsible for building products that have a direct impact on all of our business customers. We’re looking for someone who is ready to tackle a wide range of challenges, from improving existing integrations to building new features from the ground up.

In this role, you will:

• Enhance our Accounting Integrations: Increase the coverage, reliability, and reporting capabilities of our integrations.
• Improve Workflow & Reporting: Introduce new accounting workflows and customisable reporting features to reduce manual work for our customers.
• Expand Our Global Footprint: Help localise our offerings to meet regional demands and integrate with regional accounting tools.
• Build an Extensible Platform: Develop a scalable and reliable platform architecture that enables both internal and external teams to integrate quickly and efficiently.

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!

• Strong proficiency in backend programming languages like Java, Python or Go.
• Expertise in designing and implementing RESTful APIs.
• In-depth knowledge of distributed systems principles.
• Experience in designing and optimising distributed architectures is a plus.
• Demonstrated experience working in product-led companies, with a strong product mindset that prioritises user needs and business goals.
• Excellent verbal and written communication skills, with the ability to convey technical concepts to both technical and non-technical audiences.
• Ability to break down complex problems into shippable milestones that deliver value fast.
• Proven experience in managing relationships with various stakeholders, ensuring alignment and understanding of project goals and requirements.
• Skilled in balancing stakeholder needs with technical feasibility.

Nice to Have:

• Solid understanding of database fundamentals.
• Experience in messaging systems such as Kafka is a plus.

Starting salary: 87K - 111K GBP + RSUs

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.