Senior Software Engineer - Growth

Airwallex•San Francisco, CA

12d•$158,000 - $225,000•Onsite

About The Position

As a Backend Engineer within the Growth team, you will architect, develop, and maintain scalable microservices and backend systems powering our growth initiatives. You will enable experimentation and data-driven decision-making, collaborate closely with cross-functional teams, and drive robust, secure, and high-performing technical solutions that support our global user acquisition and engagement strategies. This role is based in San Francisco.

Requirements

Bachelor’s 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 and understanding of OOP concepts
Experience with domain driven design and event driven architectures
Deep experience with high throughput/low latency/high availability distributed systems
Cloud experience with GCP (preferred) or AWS (EC2, RDS, ELB, CloudFront, etc.), and familiarity with Docker and Kubernetes
Familiarity with observability tooling such as Splunk, Grafana, and Prometheus
Technically proficient with robust expertise in Java/Kotlin and backend development
Empathetic, customer-focused problem solver
Data-driven, with strong analytical skills
Collaborative, knowledge-sharing team player and mentor
Adaptable, continuously learning, and quick to embrace new technologies
Self-motivated, demonstrates strong ownership and proactive leadership
Effective prioritizer, able to balance workload and maintain high quality standards

Nice To Haves

Experience with JVM-based programming in Java or Kotlin; familiarity 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 using AI and LLMs

Responsibilities

Architect, develop, and maintain microservices in Java/Kotlin (or similar languages), ensuring high-traffic, high-availability systems meet global user demands.
Implement best practices for service-to-service communication, orchestration, and fault tolerance.
Collaborate with data scientists and product managers to design data pipelines, analytics platforms, and event-driven architectures.
Ensure Growth data is accurate, reliable, and easily accessible for key decisions.
Translate business requirements into scalable backend solutions by working closely with Frontend, Product, Design, and Marketing teams.
Participate in architectural reviews, code reviews, and strategy sessions to continually improve backend service quality and performance.
Develop services that support rapid A/B testing, feature toggles, and real-time performance monitoring; continuously improve backend functionalities to enhance user engagement and drive conversions.
Integrate secure coding practices and frameworks to protect user data and ensure global regulatory compliance. Proactively address potential vulnerabilities and security risks.