CHEW TINGJUN

• Designed and developed backend services in Go within a microservices architecture, ensuring scalability, maintainability, and long-term stability.
• Enhanced system performance by identifying and resolving critical bottlenecks, leading to improved application speed and reliability.
• Built and optimized event-driven architectures, delivering robust and resilient systems to support high-traffic workloads.
• Owned core customer-experience services including real-time communication (RTC), document upload, and the home screen, and delivered engagement features such as rewards, loyalty, and referral programs to enhance customer retention.
• Streamlined CI/CD pipelines by driving GitLab migration, successfully transitioning all service packages from legacy namespaces to a modernized structure, improving developer efficiency and code maintainability.
• Leveraged AWS Cloud services, Terraform, and Docker to automate deployments, improve scalability, and ensure infrastructure-as-code best practices.
• Implemented security best practices ensuring compliance with banking security standards.

Tech Stack: Go, Kafka, AWS (EC2, S3, RDS, etc.), Terraform, Docker, GitLab CI/CD, ArgoCD, Datadog

• Delivered exceptional client support by promptly addressing concerns and implementing requested changes or enhancements to software solutions.
• Implemented robust security measures to protect sensitive data and ensure system integrity.
• Maintain backend servers.
• Build and maintain APIs.
• Optimized code performance for improved user experience and system efficiency.
• Worked with project managers, developers, quality assurance, and customers to resolve technical issues.
• Demonstrated experience and good hands-on programming experience in PHP Laravel and Go.
• Provide system design to improve software's overall performance.
• Collaborated with clients to define solution requirements.
• Integrated third-party tools and components into applications.
• Identified and documented project changes with proactive budget oversight.
• Developed robust, scalable, modular, and API-centric infrastructures.
• Databases design and table structures.
• Mentored junior developers, fostering professional growth and enhancing team productivity.