Senior Software Engineer, Ecosystem (Fintech)

TL;DR

Senior Software Engineer, Ecosystem (Backend/Fintech): Designing and maintaining platforms and integrations that connect Airwallex with third-party financial and business software with an accent on public APIs, SDKs, and extensibility frameworks. Focus on building scalable ecosystem strategies, optimizing developer experience (DX), and implementing secure, reliable financial operation experiences.

Location: Must be based in Singapore

Company

Airwallex is a unified payments and financial platform for global businesses, providing integrated solutions for business accounts, payments, and embedded finance at a global scale.

What you will do

• Lead high-level design and long-term technical roadmaps for the App Marketplace and Extension Framework.
• Design and implement core SDKs, webhooks, and UI-extension patterns for third-party developers.
• Build and integrate APIs to connect with external financial institutions and third-party platforms (accounting, HR, ERP, marketplace).
• Establish and enforce rigorous internal coding standards, observability patterns, and security protocols.
• Champion developer experience by building documentation infrastructure, sandboxes, and tooling.

Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.
• 5+ years of experience in developing Internet applications, large financial systems, or e-commerce platforms.
• Proficiency in coding languages such as Java, Kotlin, C++, or Python.
• Direct experience building or maintaining a public-facing developer platform, app marketplace, or extension framework.
• Must be based in Singapore.

Nice to have

• Deep expertise in Domain-Driven Design (DDD) for complex business logic and microservices.
• Hands-on experience with Docker, Kubernetes, and advanced observability tools.
• Experience integrating AI/LLM models to automate integration workflows or enhance developer tooling.

Culture & Benefits

• Founder-like environment with a focus on real impact, accelerated learning, and true ownership.
• High-performance culture that encourages moving fast with good judgment and first-principles thinking.
• Collaboration with a global team of innovative tech professionals across 27 offices.
• Emphasis on utilizing AI to solve problems faster and work smarter.