19h ago

Senior Software Engineer, Payments Team - API & Checkout Experience

Singapore

$150k-$200k / yearest.

full-timesenior Visa Sponsor

🛠 Tech Stack

💼 About This Role

You'll join Airwallex's Global Payments Team to build APIs and checkout features for a high-growth fintech unicorn. You'll design, develop, and maintain payment processing systems, collaborating across global offices. This role offers true ownership of critical payment infrastructure and a chance to work on large-scale distributed systems with real-time transaction processing.

🎯 What You'll Do

  • Design and develop APIs and checkout features for payment scenarios
  • Optimize critical components in online payment processing flow
  • Troubleshoot production issues across the stack
  • Collaborate with cross-domain teams and financial partners

📋 Requirements

  • Minimum 5 years of engineering experience for senior role
  • Experience designing elegant systems for the financial industry
  • Strong system thinking and high-quality code writing skills
  • Preference for Kotlin or modern programming languages

✨ Nice to Have

  • Familiarity with Spring / Spring Boot
  • Proficiency in HTTP protocol and RESTful specifications
  • Experience with PostgreSQL / Redis / NoSQL

🎁 Benefits & Perks

  • 💡 Ownership of critical payment infrastructure
  • 🌍 Global collaboration across 26 offices
  • 📈 Rapid growth with Series E fintech unicorn
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