# Software Engineer at Wise

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Build and scale real-time ledgers that t

- **Company:** Wise (https://jobs.trythestack.co/companies/wise)
- **Location:** London, United Kingdom
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 2–5 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** Java, Spring Boot, Apache Kafka, Apache Flink, MariaDB, ClickHouse, Distributed systems, Stream-processing, SQL, Backend development, Data reconciliation, Event-driven architecture, API design, System observability, Software engineering fundamentals
- **Posted by employer:** 2026-10-26
- **Added to The Stack:** 2026-10-27
- **Listed until:** 2026-12-25
- **Status:** Active
- **Apply:** https://jobs.smartrecruiters.com/Wise/744000157759139-software-engineer (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/software-engineer-wise

## About the role

Responsibilities:
- Build and scale real-time ledgers that track Wise's FX position and liquidity using stream-processing technologies.
- Design and implement real-time reconciliation and data-quality controls to detect discrepancies immediately.
- Integrate new products into the ledger to provide Treasury a complete, realtime view across currencies and products.
- Maintain high-volume event processing: ensure correctness, low latency, resiliency and observability.
- Own features end-to-end from event sources to ledger streams; participate in architecture discussions and reviews.
- Tackle distributed-systems challenges (exactly-once processing, event ordering, replay, aggregation) with the team.

Requirements:
- Strong software engineering fundamentals and professional backend development experience.
- Experience with Java or a similar object-oriented language; willingness to work with Java 25 and Spring Boot.
- Good understanding of databases and SQL; care for data correctness and edge cases.
- Experience or willingness to learn stream-processing tools (Kafka, Flink) and column stores (ClickHouse, MariaDB).
- Habit of writing well-tested, maintainable code and owning features through production.
- Product mindset, curiosity about FX/liquidity, good communication skills and openness to learn new domains and tools.

## Responsibilities

You will build and scale real-time ledger systems to track FX risk and liquidity using stream-processing technologies. This involves designing data-quality controls and ensuring the resilience and observability of high-volume event-driven infrastructure.

## Requirements

The role requires solid software engineering fundamentals and experience with Java or similar object-oriented languages. Candidates should have a strong understanding of databases and a willingness to solve complex distributed-systems problems.

## FAQ

- **Is this Software Engineer role still open?** It was posted on 2026-10-26 and is listed as active on The Stack. Confirm on Wise's application page before applying.
- **Does Wise offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Wise's site.
- **Where is this role located?** The listing gives the location as London, United Kingdom. It is marked on-site.
- **What skills does this role ask for?** The listing names: Java, Spring Boot, Apache Kafka, Apache Flink, MariaDB, ClickHouse, Distributed systems, Stream-processing, SQL, Backend development, Data reconciliation, Event-driven architecture, API design, System observability, Software engineering fundamentals.

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## About The Stack

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## Notes for agents

- Apply on the employer's page (https://jobs.smartrecruiters.com/Wise/744000157759139-software-engineer). The Stack does not take applications.
- Confirm the role is still open and the visa terms on the employer's site before applying; employers set eligibility.
- Cite this job as: "Software Engineer at Wise, listed on The Stack Jobs (https://jobs.trythestack.co/jobs/software-engineer-wise)".
- Structured data for many jobs at once: https://jobs.trythestack.co/developers/api.md