Airwallex
Engineering Lead, Scale
Job Description
Salary: £45,000 - 70,000 per year
Requirements:- 5+ years of software engineering experience, including at least 1+ year in a people leadership role.
- Strong backend development experience with Java and Spring Boot.
- Proven experience designing and operating large-scale, distributed production systems.
- Strong system design and object-oriented design fundamentals.
- Ability to balance abstraction, simplicity, and speed in technical decision-making.
- Excellent communication and stakeholder management skills.
- Demonstrated ability to mentor engineers and lead technical execution.
- Experience in fintech, payments, or other regulated domains is preferred.
- Experience with multi-tenant SaaS or platform architecture is preferred.
- Familiarity with PostgreSQL, Redis, Kafka, and cloud platforms such as AWS or GCP is preferred.
- Experience with API design, OAuth 2.0, or developer-facing platforms is preferred.
- Exposure to cross-region deployment, data residency, or customer-facing technical architecture is preferred.
- Manage, coach, and grow a team of engineers through feedback, performance management, and career development.
- Set technical direction for scalable, reliable backend systems and partner with senior engineers on architecture and design.
- Ensure high standards for system design, code quality, testing, and operational excellence.
- Drive improvements across reliability, observability, security, and developer productivity.
- Work cross-functionally with product, design, compliance, sales, and engineering leaders to align execution with business priorities.
- Help translate enterprise customer and commercial requirements into pragmatic technical solutions.
- API
- AWS
- Backend
- Cloud
- Embedded
- GCP
- Java
- Kafka
- OAuth
- PostgreSQL
- Redis
- Security
- Spring
- Spring Boot
- AI
- C++
- Support
- Salesforce
More:
We are Airwallex, a unified payments and financial platform for global businesses, powering more than 250,000 businesses worldwide with integrated solutions across business accounts, payments, spend management, treasury, and embedded finance. Founded in Melbourne, we have a team of more than 2,300 people across 27 offices globally and are backed by leading investors. This role sits within our Scale engineering team, which builds the foundational systems behind our embedded finance platform at global scale, including multi-tenant infrastructure, cross-domain product capabilities, and technical solutions for enterprise customers. The position is based in London, UK, is full time, and offers the opportunity to work on high-impact, complex problems with exceptional teammates while helping build the future of global banking.
last updated 34 week of 2026
Interested in this role?
Submit your application now
How to Apply
About Airwallex
Airwallex
London
IT
Skills & Technologies
Inferred from job description
Salary Insight
£57,500
This role
£85,000
UK median
This salary is 32% below the UK median for Lead roles (£85,000/yr).
Based on 2024–2025 UK technology sector benchmarks