Senior Software Engineer

• Sep 2021 - Present

Software Engineer

• Mar 2020 - Aug 2021

Senior Software Engineer

• Mar 2016 - Mar 2020

• Design and coding of micro-service based IOC Intelligent Operation Center) system and delivering end to end features in an agile and self-autonomous manner. • Technology stack contains Java, Spring Boot, Kafka, ELK Stack, React, Node.js • PostgreSQL, Redis and MongoDB • Elasticsearch to search and analysis IOT devices' historical data • Kafka as a message queue to receive and synchronize real-time IOT devices' data to microservices • Jupiter(JUnit), TestNG, Mockito/PowerMock, Cucumber, Selenium • Using CI/CD systems: •• Jenkins as CI/CD server •• GitLab as the source repository • Docker for containerization • Kubernetes as container-orchestration system• Developed back-end with Java (Versions: 8-11) using Spring Boot framework and front-end with React• Code review via team discussions and pull requests• Research for IOC system features• Strictly following agile(scrum/kanban) practices in the development process: ••• Attended meetings(daily&estimation&retrospective&showcases) ••• Applying Test-Driven Development(TDD) and Behavior-Driven Development (BDD) best practices. Show less

Software Engineer

• Sep 2011 - Mar 2016

• Development of the front-end and backend features of Telco BSS Charging and Billing systems in Java(Version: 7-8)• SOAP web service development using Apache Axis2 web service engine, • Used Maven and Ant for dependency management/build operations • CruiseControl as CI server• Business domain experience in Telco Business Support(BSS) domain - Customer management/Charging/Billing/Invoicing/Account Receivable/Dunning and ETL systems -

Software Developer Trainee

• Mar 2011 - Jul 2011

• Developed a helper tool to analyze the performance of the ArcSight agents using C# language and Visual Studio. • Expertise on ArcSight ESM Manager and Websense DLP security tools auditing the security of the banking system. • Developed a helper tool to analyze the performance of the ArcSight agents using C# language and Visual Studio. • Expertise on ArcSight ESM Manager and Websense DLP security tools auditing the security of the banking system.

Intern

• Jun 2009 - Oct 2009

Developing customized features on Bosch’s SDK of camera and sound systems for existing and new clients. Developing customized features on Bosch’s SDK of camera and sound systems for existing and new clients.

Software developer intern

• Jun 2008 - Sep 2008

Developing features for famous Appliance company Vestel's brand new Hospital TV and Hotel TV projects as an ASP.NET developer with C# Developed interactive screen functionality providing helpful options to the Hospital/Hotel TV interface user. Developing features for famous Appliance company Vestel's brand new Hospital TV and Hotel TV projects as an ASP.NET developer with C# Developed interactive screen functionality providing helpful options to the Hospital/Hotel TV interface user.