Senior Software Engineer, Global Payments

Attributes We Value: We hire successful builders with founder-like energy who want real impact, accelerated learning, and true ownership. You bring strong role-related expertise and sharp thinking, and you’re motivated by our mission and operating principles. You move fast with good judgment, dig deep with curiosity, and make decisions from first principles, balancing speed and rigor. You're humble and collaborative; turn zero‑to‑one ideas into real products, and you “get stuff done” end-to-end. You use AI to work smarter and solve problems faster. Here, you’ll tackle complex, high‑visibility problems with exceptional teammates and grow your career as we build the future of global banking. If that sounds like you, let’s build what’s next.

Who you are: We're looking for people who meet the minimum qualifications for this role. The preferred qualifications are great to have, but are not mandatory.

Minimum qualifications:

• Possess a minimum of 2 (for senior 4) years of engineering experience.
• Excel in designing elegant systems that abstract complex patterns, particularly in the financial industry.
• Have a strong aptitude for system thinking, writing high-quality code and doc, with a preference for Kotlin.
• Uphold high standards when working with production systems.
• Adhere to best practices in engineering, security, and design.
• Thrive in collaborative environments, making decisions with diverse stakeholders and subject matter experts.
• Enjoy collaborating with a diverse group of individuals, bridging gaps between different teams and areas of expertise.

Preferred qualifications:

• Familiarity with Spring / Spring Boot.
• Proficiency in Java / Kotlin or other modern programming languages.
• Proficiency in HTTP protocol and RESTful specifications.
• Familiarity with OAuth2.0 / JWT.
• Experience with PostgreSQL / Redis / NoSQL.
• Experience with Kafka / RabbitMQ.
• Familiarity with Nginx / Istio.
• Experience with cloud vendors like Aliyun Cloud, GCP, or AWS.
• Experience in designing, implementing, and maintaining complex public API products with user integration guides.