Backend Engineer - Card Issuing Team
About the Role
We are looking for a passionate Backend Engineer to join our Card Issuing Team, which is building APIs and infrastructure that enable businesses to launch and manage their own card programs across Southeast Asia.
This role will work closely with cross-functional teams to build scalable backend services, support integrations with payment providers and third-party systems, and contribute to the development of a card issuing platform.
The ideal candidate is someone who enjoys solving technical challenges, thrives in fast-paced environments, and is excited about building scalable fintech infrastructure from the ground up.
What You Will Do
Design, develop, test, and maintain backend services and APIs for the Card Issuing platform
Build and maintain high-availability scalable systems supporting card issuance and payment processing
Work with third-party APIs and payment integrations for local and global card transactions
Troubleshoot and resolve system issues, performance bottlenecks, and scalability challenges
Support regression testing, integration testing, and system reliability improvements
Address bugs, technical debt, and operational support requests
Participate in sprint planning, code reviews, and technical discussions
Implement security and engineering best practices across services and infrastructure
Build internal operational tools and reporting systems for platform management
Support incident response and on-call duties when required
Collaborate closely with Product, Design, QA, and Operations teams on feature delivery and platform improvements
What We Are Looking For
Bachelor's degree in Computer Science, Engineering, or a related field
3–5 years of backend engineering experience, with a proven track record of building and operating production systems
Strong proficiency in Golang
Experience building and maintaining RESTful APIs
Familiarity with microservices architecture
Experience with SQL databases, preferably MariaDB or MySQL
Familiarity with Git and GitHub workflows
Experience with Docker and CI/CD pipelines
Strong debugging, troubleshooting, and problem-solving skills
Willingness to learn and operate in a fast-paced environment
Familiarity with AI-assisted development tools such as Claude, Codex, Cursor, or similar
Familiarity with Kubernetes, cloud infrastructure, and observability tools