Experienced in architecting and engineering cloud-native distributed applications, including traditional Machine Learning and LLM engineering. Skilled in writing reusable libraries and developing end-to-end applications using Full-Stack Java, Python, ReactJS with open-source frameworks, leveraging cloud services.
Proficient in troubleshooting technical issues across various engineering disciplines and programming languages, particularly Java, Python, and ReactJS. Experienced in using SQL and Python for data analysis, training ML models, and fine-tuning LLMs.
Proven track record in designing and delivering high-quality production code, conducting technical training for diverse audiences, improving delivery efficiency through SRE and DevOps practices, and securing internet-facing and mission-critical applications. Experienced in leading and mentoring engineering teams, with hands-on expertise in global banking and financial services.
(Feb 2022 - Present)
Skillsets:
(July 2017 – Feb 2022)
Hands-on development of application security posture, IAM, encryption, transaction signature & verification, API security, fraud monitoring, HSM, SSO, 2FA, DDoS protection, and threat detection for CIB Global Channels Applications, including Straight2Bank and API Banking.
Skillsets: Java, Spring, Hibernate, Docker, Kubernetes, AWS, Terraform, Kafka, Python, ReactJS, ML, Ansible, Hazelcast, Cassandra, Scala, Security (Encryption, Digital Signing & Verification, mTLS, OAuth, Blockchain), SRE, DevOps, Kong API Gateway, Nginx, Scrum Master.
(May 2014 - July 2017)
Projects: FX, Treasury Market, Single Dealer Platform, Amazon AWS, Akamai, SSO, Identity Management, Authentication, Authorisation & Security.
Skillsets: Java, Multi-threading, Low-latency systems, Security (Authentication, OAuth), Penetration Testing, DNS/Networking, AWS, DevOps, SRE.
(Jul 2011 - May 2014)
Developed and maintained applications for wealth management document workflow, eBanking, and CMS integration.
Projects: Wealth Management Document Repository, Global Internet Web Publishing, iMeeting mobile for Relationship Manager, Private Banking Portal.
Skillsets: Java, NoSQL, IBM Lotus Domino, Oracle, PL/SQL, XSLT/XML/JSON, SOAP/REST APIs, Server-side JavaScript, Spring (Core, MVC, Integration).
(Nov 2010 - Jul 2011)
Provided development, maintenance, and Level 2 production support for Singapore’s government integrated payment e-services and public service infrastructure.
Projects:
Skillsets: Java, UNIX Scripting, Oracle PL/SQL, XML web services, software-based load balancing.
(Oct 2008 - Nov 2010)
Hands-on development, maintenance, and support iNETS Kiosk web service gateway, payment, enterprise service bus, web administration console, reconciliation, kiosk client remoting, monitoring, alert, bill payment and ticketing channels integration.
Projects: iNETS Kiosk, bill payment, travel ticketing, insurance booking, lucky draw, loyalty program, etc.
Skillsets: Java, Multi-threading, Spring Core / MVC, Enterprise Service Bus, Camel, Quartz, Hibernate / JPA, SOAP web-service with WSDL contract
(Sept 2007 - Aug 2008)
Enhance Software Laboratory teaching subjects by adopting latest industry software engineering practice, such as: Artificial Neural Network / Deep Learning, Design Patterns, Application Development, Design and Architecture. Develop and maintain Software Laboratory Center applications to support software laboratory teachers and operational activities.
Skills: C / C++, Multi-threading, Java / JSP / Servlet, PHP, JavaScript, HTML, MS Visual Studio .NET, MySql / Oracle / MS sql-server, rule based system / MatLab
(Sept 2006 - Aug 2007)
Teaching and evaluating university students with various practical laboratory software engineering subjects such as:
Skillsets: C / C++, Java / JSP / Servlet, PHP, JavaScript, HTML, MS Visual Studio .NET, MySql / Oracle / MS sql-server, rule based system / MatLab
(Aug 2005 - Sep 2006) - Part Time
Develop workflow application to support Information & Technology operational activities for BINUS UNIVERSITY using IBM Lotus Domino.
Skillsets: IBM Lotus Domino, C/C++, HTML, JavaScript, ASP
(2003 - 2008)
Obtained double degree in: