- Consultant Java Engineer working with a variety of clients, examples including a major bank implementing transition of the web portal to Liferay, or the Civil Aviation Authority extending and partially redesigning their billing system for Air Traffic Control;- Implementing new features in the Spring Boot based portal backend;- Implemented the business workflow to analyze past-due airspace usage debt and the automated notification delivery;- Heading the effort on analyzing and mitigating security risks associated with the software stack transitioning.

- Consultant with expertise in Java and underlying backend frameworks as well as frontend knowledge to provide services for clients as a full-stack engineer. Backend: Java, Spring Boot, JMS, JPA. Frontend: Javascript, Angular.- Developing webservices for major clients in entertainment, finance, e-commerce (Morgan Stanley, AT&T, Bank of America, Emterprise, DirecTV, etc.)- Tech Stack: Java (8, 11), Spring Boot, Angular, Oracle,

Develop Java web services for real-time integration with various home service providers as part of the e-commerce platform. Review and enhance other team members' code. Using SVN, JBoss, Maven for supporting tasks.

Development of highly advanced and complex back end software for processing, rating, and billing of wireless usage (talk, text, and data). Working closely with business people and other developers on a daily basis to facilitate agile development. Technologies used include Java and Java-like proprietary languages, Linux, Oracle databases.

Performed the requirement analysis for the quantitative trading software,Obtained historical financial data, and developed the database with automatic daily update,Designed and developed the analytical engine to manipulate raw financial data, calculate derivative data, evaluate complex adaptive trade strategies and generate trade signals,Designed the interface for using the analytical engine remotely from the user accounts.