Senior Software Engineer, Growth

Roles & Responsibilities

The Opportunity : Be Part of Our Growth Team

Our Growth Team sits at the heart of Airwallex’s mission, focusing on user acquisition and strategic market expansion. We leverage data and cutting-edge technologies to craft seamless, intuitive experiences that help millions of users discover, engage with, and benefit from our products.

From new-user funnels to onboarding optimizations, our Growth team is all about experimentation, rapid iteration, and driving sustainable business impact. Whether it’s designing scalable architectures for high-traffic pages, building robust A / B testing frameworks, or integrating global marketing platforms, the Growth team’s contributions directly shape how we attract and retain customers worldwide.

Joining the Growth team means you’ll have a front-row seat to the most crucial stage of our product lifecycle and play a pivotal role in fueling the next wave of our global expansion.

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.

Who you are :

• Experienced and Technically Proficient : You possess a wealth of experience in software development, underpinned by a robust expertise in Java / Kotlin. Your approach goes beyond mere coding; you are a craftsman of comprehensive solutions. As a technical bar raiser, you set high standards and lead by example, elevating the capabilities of those around you.
• Empathetic and Insightful : Your deep empathy for customer needs drives your development process, allowing you to create intuitive and impactful products. This understanding is not just about meeting requirements, but about enriching user experiences.
• Data-Driven and Analytical : You view data as a narrative element of development, a critical tool that informs your decision-making process. Your ability to interpret data enhances product performance and elevates user satisfaction, making you a pivotal member of our team.
• Collaborative and Knowledge-Sharing : True collaboration is second nature to you. You thrive in team settings and are committed to sharing knowledge and ideas, which you see as vital to fostering innovation. Your role as a coach involves mentoring peers and promoting a learning culture within the team.
• Adaptable and Continuously Learning : In the fast-paced world of fintech, you stand out for your agility and eagerness to adopt new skills and technologies. Challenges are opportunities for growth, and you are always prepared to expand your horizons.
• Proactive and Ownership-Driven : You are self-motivated and take initiative, demonstrating a strong sense of ownership in your projects. Your proactive approach ensures that you are always ahead of the curve, ready to take on responsibilities and lead projects to successful outcomes.
• Efficient and Prioritization-Savvy : You excel at prioritizing tasks, which enables you to manage your workload effectively while maintaining high standards of quality. This skill ensures that critical project components receive the attention they need without sacrificing overall progress.

Minimum qualifications :

Preferred qualifications :

Tell employers what skills you have

Mentoring

RDS

Test Automation Framework

Kubernetes

Pipelines

Architect

Architectural

Kotlin

Throughput

Distributed Systems

Continuous Integration

Docker

Ab Testing

Java

Software Development

Business Requirements