Airwallex - Staff Backend Engineer, Cards
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Requirements
• We're looking for people who meet the minimum qualifications for this role. The preferred qualifications are great to have, but are not mandatory. • Bachelor’s Degree in Computer Science, Software Engineering, or a related field. • 8+ years of professional software engineering experience, including experience in technical leadership roles. • Proven experience architecting and scaling backend systems and APIs in production. • Strong computer science fundamentals, including data structures, algorithms, and distributed systems. • Expertise in at least one backend language (e.g., Java, Kotlin, Go, Python). • Deep understanding of REST API design and modern backend frameworks (e.g., Spring Boot).Experience with cloud infrastructure (e.g., AWS, GCP) and container orchestration tools like Kubernetes. • Strong commitment to code quality, reliability, and performance. • Experience leading cross-team initiatives and influencing technical direction at a system-wide level. • Proficiency in observability and monitoring tools (e.g., Grafana, Prometheus, Splunk). • Familiarity with security and compliance considerations in the financial services domain. • A passion for mentoring and helping others grow. • 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. • Airwallex does not accept unsolicited resumes from search firms/recruiters. Airwallex will not pay any fees to search firms/recruiters if a candidate is submitted by a search firm/recruiter unless an agreement has been entered into with respect to specific open position(s). Search firms/recruiters submitting resumes to Airwallex on an unsolicited basis shall be deemed to accept this condition, regardless of any other provision to the contrary. • Equal opportunity • Equal opportunity
Responsibilities
• As a Staff Engineer on the Cards team, you will lead the architecture and development of complex backend systems that support our card products. You will drive cross-team technical initiatives, mentor engineers, and shape the long-term engineering strategy to ensure scalability, security, and reliability at a global scale. • This role is based in Singapore. • Drive the architecture, design, and evolution of complex backend systems that support the Cards product. • Lead cross-functional technical initiatives and ensure alignment with long-term engineering goals. • Own the full lifecycle of backend services—from idea to design, implementation, testing, deployment, and maintenance. • Guide teams in making scalable, secure, and high-performing system design decisions. • Establish engineering best practices around observability, testing, and API design. • Mentor and support the growth of engineers across the team. • Collaborate closely with product, design, and infrastructure teams to deliver reliable and impactful solutions.
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