Airwallex - Staff Backend Engineer, Issuing Platform
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Requirements
• We are looking for senior engineers with deep technical expertise and a strong track record of impact as an individual contributor. • 8+ years of professional software engineering experience, with sustained impact as a senior or staff-level individual contributor. • Bachelor’s degree in Computer Science, Software Engineering, or a related field. • Strong proficiency in backend development using languages such as Java, Kotlin, Go, or Python. • Deep experience designing and delivering large-scale, distributed systems in production. • Strong computer science fundamentals and solid understanding of object-oriented design. • Hands-on experience with event-driven and streaming architectures, for example Kafka. • Proven experience designing and operating RESTful APIs at scale. • Experience with domain-driven design and event-driven architectures. • Cloud experience with GCP (preferred) or AWS, including Docker and Kubernetes. • Familiarity with observability tooling such as Splunk, Grafana, and Prometheus. • Demonstrated ability to mentor engineers and influence technical direction through design and execution rather than authority. • Experience in fintech, payments, or other regulated financial domains. • Deep experience with JVM-based ecosystems, including Java or Kotlin with Spring or Spring Boot. • 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 software engineer, you are a senior individual contributor responsible for designing, building, and evolving the most technically complex parts of the issuing platform. • While you do not have direct reports, your impact comes from deep technical ownership, architectural leadership, and raising the engineering bar across teams through design, mentorship, and example. • This role is based in Singapore. • Technical ownership and execution • Design, build, and operate highly reliable, scalable systems that powers real-time card transactions • Take end-to-end ownership of complex problem spaces, from system design through production rollout and long-term evolution. • Architecture and system design • Lead the design of distributed, event-driven systems with strong guarantees around correctness, performance, and resiliency. • Drive architectural improvements that reduce complexity, improve operability, and enable future product growth. • Engineering excellence • Set a high bar for code quality, testing, observability, and operational readiness. • Identify and remove technical bottlenecks that slow down teams or introduce systemic risk. • Cross-team technical leadership • Influence technical direction across multiple teams through design reviews, RFCs, and hands-on collaboration. • Platform and infrastructure evolution • Contribute to the evolution of core infrastructure and shared platform capabilities to improve developer productivity and system reliability. • Evaluate new technologies pragmatically and guide their adoption where they deliver clear value.
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