12 Qq
Full time student MSc Atmosphere, Ocean and Climate at University of Reading Sep 2026 - Sep 2027; 6 years of software development experience; EX-IBM application consultant
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About
Contractor, agent: PERSOL LIMITED
Experience
Application Consultant - IBM
(2022-10 - 2026-08)
Contractor, agent: PERSOL LIMITED
- Client 1: DBS (The Development Bank of Singapore Limited)
- Maintain and enhancement of internet banking application
- FPS flow revamp according to regulatory
- Reducing latency of e-banking application dashboard loading by ~30%
- Incident/ad hoc fix
- Support internet banking revamp project on BAU discovery
- Revamp legacy internal investment sales application
- Revamp web application from .NET with MSSQL to spring boot with MariaDB
- Revamp batch job from .NET with MSSQL to spring batch with MariaDB
- Optimize inefficient application flow while following the business logic
- Reduce n+1 query problem in BAU application flow
- Batch job maintenance and development
- Reducing memory heap usage of data import batch job (millions record) by ~50%
- CICD maintenance and development
- UAT environment administration e.g JBOSS server configuration
- Coordination with both technical and business side from Hong Kong, Shenzhen, Singapore, India on daily operation
- Coordination with user on requirement discussion & analysis
- L3 support on production issue troubleshooting
- Deployment, ad hoc task
- Tech stack: Java EE, JBOSS, mariadb, unix-based script
- Client 2: Cathay Pacific
- Revamp legacy payment application, integration with Payment gateway PayPal, including function on invoicing, billing, reporting
- Tech stack: nodeJs, mongodb, AWS S3, Lambda
Application Development Analyst - Accenture Technology
(2021-05 - 2022-10)
- Client 1: AIA
- Developing application for identity access management and data migration
- Integrating with Azure ADB2C service
- Developing Kafka service for data migration
- Tech stack: Spring boot, mysql, apache Kafka, Azure ADB2C, oauth2
- Client 2: Cathay Pacific
- Maintain and enhancement of chatbot framework microservice
- Applications for handling social channels e.g whatsap, route to different chatbots / livechat based on business logic
- Tech stack: nodejs, mongodb, Azure SAML Login
Associate developer - Cosme de net
(2020-03 - 2021-05)
Inhouse ecommerce company
- Maintain and enhance ecommerce web applications
- Develop web application for new market
- Daily monitoring on ecommerce transaction data
- Tech stack: vb.net, mssql
Financial Data Analyst - Hannover Re
(2019-07 - 2019-12)
Reinsurance Industry company
- Daily monitoring on reinsurance transaction data
- Develop price prediction application in R
- Tech stack: R language, excel macro
Education
MSc - Atmosphere, Ocean and Climate - The University of Reading (2026-09 - 2027-09)
BSc - Mathematics; Major in Mathematics, minor in Computer Science, minor in Statistics - The University of Hong Kong (2015-09 - 2019-06)
Secondary school - HKDSE - Chiu Lut Sau Memorial Secondary School (2010-09 - 2015-03)
