Senior Software Engineer Backend (Fintech)

Location: Based in Singapore

Company

Unified payments and financial platform for global businesses, empowering over 200,000 companies worldwide.

What you will do

• Lead the planning, design, and implementation of the Airwallex engineering system.
• Collaborate with product teams to analyze business needs and design complex architectures for the billing platform.
• Develop scalable components using the company's microservice framework.
• Introduce innovative technologies and technical solutions to the engineering team.
• Manage technical team growth and establish high internal coding standards.

Requirements

• 6+ years of Core Java development experience.
• 5+ years of experience in Internet applications, large financial systems, or e-commerce platforms.
• 1+ year of experience in payment platform development.
• Bachelor's degree in Computer Science or a related field.
• Proficiency in Java 8, multi-threading, high concurrency, and IO/NIO.
• Expertise in designing large-scale distributed, high-load, and high-availability systems.

Nice to have

• Experience with international clearing, settlement, or foreign exchange transactions.
• Knowledge of Cassandra, Redis, NoSQL, or Hadoop.
• Proficiency in Kotlin, Scala, Python, or Golang.
• Experience with Kubernetes, Docker Swarm, AWS, or Aliyun Cloud.
• Familiarity with JavaScript, Angular, or React.

Culture & Benefits

• Opportunity to work with a global team of 2,200+ innovative tech professionals.
• High-impact role solving complex, high-visibility problems in a fast-growing fintech.
• Ownership-driven culture with "founder-like energy" and accelerated learning.
• Encouragement to use AI tools to work smarter and solve problems faster.
• Inclusive and diverse environment as an equal opportunity employer.