> Markdown version of [/jobs/ext/1342197-staff-software-engineer-scale](https://www.wearedevelopers.com/jobs/ext/1342197-staff-software-engineer-scale). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Staff Software Engineer, Scale

- **Company:** Airwallex
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Microsoft Excel, Amazon Web Services, Computing Platforms, Microsoft Azure, Software as a Service, Cloud Computing, PostgreSQL, OAuth, Performance Tuning, Redis, Software Engineering, Spring-boot, Apache Kafka, Api Design, Software Coding
- **Published:** July 19, 2026
- **Apply:** https://www.totaljobs.com/job/staff-software-engineer/airwallex-uk-limited-job107714740

## About the Role

* Have 8+ years of software engineering experience (8+ for Staff) in Java/Spring Boot
 * Excel at making the right level of abstraction-balancing flexibility and simplicity in system/component design
 * Demonstrate clean communication across technical and non-technical stakeholders
 * Make pragmatic decisions on when to optimize for performance vs. velocity based on business impact
 * Thrive in cross-functional environments spanning Product, Design, Compliance, and Sales
 * Design for scale, maintainability, and production excellence
 * Have led multi-team initiatives with measurable technical or business impact

Bonus if you have

 * Fintech, payments, or regulated industry experience
 * High-scale performance tuning (100k+ QPS, large user bases, strict latency SLAs)
 * Multi-tenant SaaS or platform architecture background
 * Proficiency with PostgreSQL, Redis, Kafka, or cloud platforms (AWS/GCP/Azure)
 * Experience with OAuth2.0, API design, or developer documentation
 * Cross-region deployment or data residency compliance experience
 * Solutions engineering or customer-facing technical experience

## Description

* Build Something That Matters: Your work directly impacts how millions of people use financial services. Companies like Rippling and SHEIN rely on infrastructure you'll build. You're not just writing code-you're shaping how businesses embed finance.
 * Grow Beyond Engineering: You'll develop expertise that extends beyond technical skills: understanding customer business models, navigating regulatory landscapes, influencing enterprise sales. This is career growth that prepares you for technical leadership, product roles, or even founding your own company.
 * Join a World-Class Team: Work with exceptional engineers, product thinkers, and designers across the globe. At Airwallex, you'll be challenged, supported, and surrounded by people who are building something meaningful together.

Applicant Safety Policy: Fraud and Third-Party Recruiters

To protect you from recruitment scams, please be aware that Airwallex will not ask for bank details, sensitive ID numbers (i.e. passport), or any form of payment during the application or interview process. All official communication will come from an @ airwallex.com email address. Please apply only through careers.airwallex.com or our official LinkedIn page.


## Related Videos

- [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect)
- [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis)
- [Optimizing Discovery: PostgreSQL's Role in Transforming GetYourGuide's Search](https://www.wearedevelopers.com/videos/1647-optimizing-discovery-postgresql-s-role-in-transforming-getyourguide-s-search)
- [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner)
- [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue)
- [Discover the open source trio you didn’t expect: .NET and PostgreSQL on Linux](https://www.wearedevelopers.com/videos/2042-discover-the-open-source-trio-you-didn-t-expect-net-and-postgresql-on-linux)

## Related Articles

- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)
- [Highest Paying Tech Companies in Europe](https://www.wearedevelopers.com/magazine/162-highest-paying-tech-companies-in-europe)
- [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk)
- [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)
- [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023)