Available to hire
I’m Cheuk Bun LEE (Ken), a technology leader with a track record of delivering scalable cloud architectures, API-driven platforms, and secure DevOps transformations for financial services, government, and education sectors. I specialize in AWS, Kubernetes, Terraform, and CI/CD pipelines, and I enjoy turning complex requirements into robust, cost-efficient solutions.
I’m passionate about mentoring teams, adopting new technologies, and shaping IT strategies that balance performance, security, and business outcomes.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Language
English
Fluent
Work Experience
MuleSoft Developer at RMIT University (TEKsystems)
September 1, 2025 - PresentSecurity hardening project on API credential rotation; sensitive data log masking; Designed and deployed key rotation system with MuleSoft API Integration.
Senior Technical Manager at Hong Kong Jockey Club
January 1, 2023 - November 1, 2024Led hybrid-cloud transformation by integrating AWS with on-premises services; Designed and deployed AWS EKS infrastructure; Utilized Terraform, Kubernetes, and ArgoCD for deployment and management; Employed Terragrunt for effective infrastructure environment management; Implemented Infrastructure as Code (IaC); Created CI/CD workflows; Monitored performance with Prometheus, Grafana, and DataDog; Automated cloud instances to optimize costs; Deployed a Blockchain Distributed Ledger (DLT) solution on AWS; Integrated Splunk Dashboards for efficient API performance monitoring; Established a secure cloud infrastructure using AWS VPC, security groups, and AMI images; Conducted capacity planning and budgeting for cloud environments with a focus on cost optimization.
Technical Lead at The Hong Kong and Shanghai Banking Corporation (HSBC)
November 1, 2021 - November 1, 2022AWS Cloud Deployment: Designed and implemented scalable and secure cloud architectures on AWS (EC2, S3, RDS, EKS); CI/CD pipelines with Jenkins; Infrastructure as Code (IaC) with Terraform; Created modules for VPC, EKS clusters, and IAM roles; Security best practices; Cost optimization. Projects included Trade Finance API, API Analytics, E-Marketplace, and Customer Onboarding API.
Technical Lead at Hang Seng Bank Limited
May 1, 2021 - November 1, 2021Full stack mobile e-Banking service development; API architecture design; Micro-services RESTful API development using Swagger OpenAPI; Front-end application development using AngularJS and Typescript.
Project Manager at Social Welfare Department
July 1, 2020 - May 1, 2021Full stack application development using Java and AngularJS; RESTful micro-services API and system component design to support Department IT strategy; Code review for quality; IAM with Keycloak Server; SSO with OIDC; Enterprise logging/monitoring; Mentoring and training developers; Project: e-Form submission system; Performance Monitoring System.
API Delivery Specialist at HSBC
July 1, 2017 - June 1, 2020Global API Delivery team to deliver API to support banking operations; Front-end development using React Native; Automated testing integrated with CI/CD; Retail Bank and Wealth Management digital transformation; Micro-services RESTful API development; IAM using SAML and JWT; Automate SSL key rotation; ABAC API for fine-grained security access; API policy and throttling deployed through MuleSoft and Swagger OpenAPI; Deployment across multiple environments; Agile leadership and mentoring.
Senior System Analyst at Department of Health
May 1, 2015 - June 1, 2017Software development in Java; Data analysis and dashboards using Power BI; Review workflow, business case analysis, requirements capture, system analysis; Planning and support Security Risk Assessment and Privacy Impact Assessment; IT services deployment to support Colorectal Cancer Screening Pilot Programme IT System and electronic Health Record Sharing System (eHRSS).
System Architect at Wisers Information Limited
September 1, 2014 - May 1, 2015Web scraping and data analysis using Python; NLP analysis tools with AI research team; System dashboards for enterprise services monitoring; Backend services with micro-services; Chinese language tokenization; DevOps support.
System Analyst at FINET Holdings Limited
September 1, 2013 - August 1, 2014Software design, system development, automated testing and deployment; C++ and Java development; Docker containerization; VM to container architecture; DR planning; HKEx connectivity and SDNet/2 integration; Content management system for publications workflow.
Senior System Analyst at Travel Agent Registry
May 1, 2012 - May 1, 2013Java-based system development; PSC participation; requirements translation; technical procedures for applications; Project: Electronic E-levy system.
IS Consultant at Wellington Management Company
September 1, 2009 - June 1, 2011Requirements gathering; UAT; user support; ITIL service delivery; documentation for IT systems; AD/SSO implementation and governance.
System and Database Administrator at Hong Kong Trade Development Council
July 1, 2006 - August 1, 2009WebSphere Java development; portal development; SEO; DR planning; Active Directory administration; migration planning; email and server management.
Application Developer at Datavision Company Limited
May 1, 2005 - July 1, 2006ASP.NET/C# application development; 3-tier architecture; ERP system development; UAT and deployment.
Network Engineer at Glorymoon Greeting Card Company Limited
March 1, 2003 - August 1, 2005Java-based ERP system development; .NET; Crystal Reports; Windows server admin; migration projects.
Education
Master of Arts in Information System at City University of Hong Kong
January 1, 2003 - January 1, 2005BBA Financial Engineering, (Minor) in Computing at City University of Hong Kong
January 1, 1998 - January 1, 2001Qualifications
Microsoft Certified System Administrator (MCSA)
January 11, 2030 - February 10, 2026Microsoft Certified System Engineer (MCSE)
January 11, 2030 - February 10, 2026Microsoft Certified Database Administrator (MCDBA)
January 11, 2030 - February 10, 2026Information Technology Infrastructure Library (ITIL v3)
January 11, 2030 - February 10, 2026Terraform Associate (HCTA0-003)
January 11, 2030 - February 10, 2026Certificate in Algorithmic Trading Development (Feva works)
January 11, 2030 - February 10, 2026Industry Experience
Financial Services, Government, Software & Internet, Education, Healthcare, Travel & Hospitality, Professional Services, Other
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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