Software Engineer

Role overview

What you will work on

• Build specialized ledgers that track foreign-exchange risk and liquidity in real time.
• Design real-time reconciliation and data-quality controls that catch discrepancies as they happen.
• Bring new Wise products into the ledger to give Treasury a complete picture of money movements across products and currencies.
• Scale real-time event processing for speed, resilience, and observability.

Technical responsibilities

• Own features end to end, from product events to the real-time ledger streams Treasury relies on.
• Help shape new ledger architecture through design discussions and code reviews.
• Address distributed-systems challenges including exactly-once processing, event ordering, replay, and real-time aggregation.
• Build with Java 25, Spring Boot, Apache Kafka, Apache Flink, MariaDB, and ClickHouse.
• Use AI tooling during development while maintaining quality.
• Participate in incident resolution, post-incident learning, and on-call support when needed.

Technical qualifications

• Professional experience building backend software and solid software engineering fundamentals.
• Experience with Java or a similar object-oriented programming language.
• Good understanding of databases and SQL.
• Write well-tested, maintainable code and care about data correctness and edge cases.
• Willingness to learn new technologies and domains.

Ownership and collaboration

• Take ownership from design through production and understand the purpose and problem behind work.
• Communicate clearly with engineers, analysts, and business stakeholders; share knowledge and participate in open feedback.
• Contribute to engineering communities or guilds across Wise.

Nice to have

• Experience with Kafka, Flink, or other stream-processing technologies is a plus.
• Experience with analytical databases such as ClickHouse is a plus.
• Experience with event-driven or data-intensive systems is a plus.
• Interest or experience in payments, banking, accounting, or another financial domain is a plus.

Compensation

• Starting salary is £68,000–£87,500 per year, plus RSUs.

Candidate eligibility

• The employer is currently considering local candidates only and does not provide relocation support; visa sponsorship transfer may be supported for local candidates.