IT professional

Experience

• Led team members & consultants to design / implement / test / debug the multiple macro-scale financial API micro-services on cloud, with Java, Javascript, Python, Oracle, Spring, React, Git, & Selenium, and a scalable & high performance architecture.
• Planned project scope / time / cost / quality / risk / customer-satisfaction. Defined success & critical path, and evaluate on failures.
• Recommended roadmap & work breakdowns. Inspected & adapted in Agile style. Secured critical resources by negotiations.
• Translated / prioritized business processes to UI/UX designs & POCs, in collaboration with users & analysts.
• Maintained technical specifications and documentations. Mentored on clean / efficient / documented code modifications.
• Setup QA/UAT test plan incl. auto/manual, unit, integrate, end-to-end, black/white box, and statement/path coverage.
• Proactively prioritized/troubleshoot problems in JIRA / Kanban, and established peer code reviews & best engineering practices.
• Researched/evaluated technology trends. Proposed solutions (incl. AI/ML) to enhance the established workflow.
• Setup DevOps CI/CD continuous pipeline for deploy / release, with Scrum sprints and daily Scrum standup.
• Setup web SPA React.js application to engage applicants. CRM achieved +50% throughput on SMS/e-mail notifications.
• Ingested/cleansed data from external systems, via RESTful API and asynchronous pipelines with filter / reconciliation.
• Patched cybersecurity vulnerabilities according to OWASP top ten and penetration tests (Nessus).
• Setup audit and compliance with all cybersecurity / privacy standards under the Hong Kong regional governance.

Education

• Georgia Institute of Technology, Master of Computer Science (Artificial Intelligence), 2019-2022 (GPA 4.0)
• Open University of Hong Kong, Master of Business Administration, with outstanding student awards, 2010-2016
• DesignFirst College, Diploma in Commercial Design (Graphics), 1998-2001
• Chinese University of Hong Kong, Bachelor of Engineering, 1989-1993

Study Projects

artificial intelligence / machine learning

• Playing Google Football with new QMAT Dec-POMDP RLlib attention algorithm at +20-400% win over QMIX/VDN. (report)
• Simulated trading of JPM stock with 4× time gain by Q-learning in Python Pandas. (with CUDA.) (report)
• Forecasted Walmart sales by time-series algorithms, incl. transformer / DeepAR / N-BEATS on CUDA (KaggleM5). (report)
• Re-designed Amazon UI/UX for product review, received award on exemplary project, and entered project showcase. (report)
• Proposed ways to mitigate racial bias on housing ad targeting in ML pipeline, in Facebook – DOJ legal settlement. (report)
• Visualizing distance from stereo images with graph cut algorithm in Python on Linux/MacOS. (report)
• Photo enhancement with flash/non-flash image pair and Hough transform. (report)
• Android app development as in Unified Development Process, incl.:
• • design document
  • project plan
  • use case model
  • test plan
• Enhancing fairness on human races & colors, from biased to fair, by IBM AIF360 on LEMAS policing data. (report)
• Solving puzzle with fractals. (report)
• Misc. topics incl. Dijkstra’s algorithm, Bayesian network, particle filter for object detection & tracking, CNN image classification (deep neural network), encoder / decoder, transformer NLP translation, GAN, hyper-parameters tuning

Professional Certificates

• Oracle Certified Master (JavaEE 5 Enterprise Architect) and Professional (Database 11g Administrator), 2011
• Project Management Professional (PMP), 2008
• Certified Information Systems Security Professional (CISSP), 2007

Skills

• Coding Languages: Java 8/11, Jakarta EE, C/C++, .Net/C#, Python, Ajax, UNIX bash script, JSON/HTML, CSS.
• Dev Process & Tools: Design Patterns, UML, IntelliJ, Git (source control), JIRA, JUnit, Selenium, Maven / Gradle, Jenkins CI/CD, SDLC, Agile, Scrum, DevOps, Docker, Kubernetes.
• Web & App Development: Javascript, jQuery, React.js, Node.js, Spring, REST, Android, Balsamiq, Axure RP.
• Data Science: NumPy, SciKit, Pandas, OpenCV, PyTorch (cuda), RLlib, Colab, MLP, CNN, DQN
• Database / System Admin: Oracle, MySQL, PL/SQL, Linux, TCP/IP, Tomcat, database design, Amazon Web Service