Airwallex · 6 hours ago
Senior/Staff Software Engineer (Backend), Growth
San Francisco, CA
Full-time
Onsite
Senior Level, Lead/Staff
5+ years expAirwallex is a unified payments and financial platform for global businesses, empowering over 200,000 businesses worldwide. The role involves designing scalable systems, enabling data-driven decisions, and collaborating with various teams to drive user acquisition and market expansion.
FinanceFinancial ServicesFinTechPayments
Responsibilities
Design and Build Scalable Systems
Architect, develop, and maintain microservices in Java/Kotlin (or similar languages), ensuring our high-traffic, high-availability systems meet global user demands
Implement best practices for service-to-service communication, orchestration, and fault tolerance
Enable Data-Driven Decisions
Collaborate with data scientists and product managers to design data pipelines, analytics platforms, and event-driven architectures
Ensure the data powering our Growth initiatives is accurate, reliable, and easily accessible
Collaborate and Innovate
Work closely with cross-functional teams—Frontend, Product, Design, and Marketing—to translate business requirements into scalable backend solutions
Participate in architectural reviews, code reviews, and strategy sessions to continually elevate the quality and performance of our backend services
Experiment and Iterate
Develop services that support rapid A/B testing, feature toggles, and real-time performance monitoring
Continuously improve backend functionalities to reduce friction, increase user engagement, and drive conversions
Promote Security & Compliance
Integrate secure coding practices and frameworks to protect user data and maintain global regulatory compliance
Identify potential vulnerabilities, ensure robust authentication and authorization mechanisms, and proactively address security risks
Qualification
Required
Bachelor degree or above in computer science or engineering related majors
5+ years of experience in modern engineering practices focused on continuous integration and quality engineering
Strong computer science fundamentals, solid understanding of OOP concepts
Experience domain driven design and event driven architectures
Deep working experience with high throughput / low latency / high available distributed systems
Cloud experience with GCP (preferred) or AWS (EC2, RDS, ELB, CloudFront, etc.) with Docker and Kubernetes
Familiarity with observability tooling such as Splunk, Grafana, and Prometheus
Preferred
Experience with JVM based programming Java or Kotlin, familiar with Spring/Spring Boot
Experience solving GTM operations end-to-end
Knowledge of data warehousing, customer segmentation, and analytics tools
Familiarity with building internal or customer-facing products with AI & LLMs
Company
Airwallex
Airwallex is a global payments and financial platform that provides business accounts, payment solutions, and spend management tools.
1001-5000 employees
H1B Sponsorship
Airwallex has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (16)
2024 (6)
2022 (2)
Funding
Current Stage
Late StageTotal Funding
$1.53BKey Investors
AdditionSquare Peg CapitalLone Pine Capital
2025-12-08Series G· $330M
2025-05-21Series F· $150M
2025-05-21Secondary Market· $150M
Leadership Team
Jack Zhang
Co-Founder & CEO
Jacob Dai
Co-Founder & CTO
Recent News
2026-01-11
Mobile World Live
2026-01-06
2026-01-06
Company data provided by crunchbase