Senior Backend Engineer - London

Salary: £66,000 - 106,000 per year

Requirements:

• Knowledge of Java and Spring Boot.
• Knowledge and experience with asynchronous messaging systems, such as Kafka.
• Experience working with relational databases, SQL query optimization, and schema design.
• A strong product mindset, prioritizing customer needs and making data-driven decisions.
• A strong sense of ownership and excellent communication skills to drive cross-team projects.
• Ability to work independently while also being a collaborative team player, frequently engaging in cross-team efforts.
• The ability to break down complex projects into incremental milestones that deliver customer value.
• Experience with common design and architectural patterns, coupled with a passion for writing clean, performant, and well-tested code.
• Curiosity and a drive for continuous learning and improvement.
• Adherence to and advocacy for best coding practices, continuous delivery, and code reviews.
• A proven track record of leading technical initiatives and mentoring other engineers.

Responsibilities:

• Design, build, and maintain high-performance, scalable tools and services utilizing Java, Kotlin, Spring Boot, cloud technologies, etc.
• Build account-level features, such as tax payments or savings account products, to cater for European markets.
• Collaborate with product managers to develop business requirements and turn them into technical solutions.
• Mentor junior engineers, offering technical guidance and conducting code reviews.
• Drive architectural decisions and technical strategy for Regional Expansion Tribe.
• Contribute to our engineering culture through knowledge sharing and best practices.
• Work with the product team on customer interviews for our markets, gather quantitative and qualitative data to better understand our customers and build solutions for them.
• Document and present data-driven results to product stakeholders, explaining and proposing strategies that align with the products risk appetite and business objectives.

Technologies:

• Cloud
• Java
• Kafka
• Kotlin
• SQL
• Spring
• Spring Boot
• Backend
• Network

More:

We are Wise, a global technology company on a mission to make moving and managing the worlds money faster, easier, and more affordable for everyone, everywhere. Our Regional Europe & UK team is focused on building a truly local product for customers in Europe and the United Kingdom, with opportunities to work closely with product, design, analytics, risk, and controls. We offer a starting salary of 111,000 - 145,000 plus RSUs and Wise Benefits, and this role is offered as full-time, mid-senior level, hybrid, in London. We are proud of our diverse, equitable, and inclusive international team and encourage people from all backgrounds to contribute to our mission.

last updated 36 week of 2026