• Designed and implemented the concept of organizing and standardizing a comprehensive CI/CD process utilizing OpenShift and GitLab for automated application deployment, testing and monitoring• Implemented the integrated Sonatype Nexus Repository for efficient artifact management and Red Hat Quay for storing container images, along with Service Mesh and Distributed Tracing to enhance observability and microservice communication. Additionally, developed and integrated automated testing into the CI/CD process, implemented monitoring and logging solutions to ensure real-time visibility and performance analysis of infrastructure and applications• Adapted existing applications to newly designed CI/CD process, ensuring smooth transitions with minimal downtime• Collaborating closely with development and operations teams to streamline workflows and ensure continuous integration and delivery• Acting as Project Manager, overseeing the entire project lifecycle, including planning, resource allocation, scheduling and communication between teams such as the OpenShift Platform admin team, monitoring and logging team, IT security team and IT architect team

• User permissions management, repository creation, and access controls, ensuring secure and efficient collaboration across multiple development projects• Maintaining and developing GitLab system• Detecting and reporting vulnerabilities occurring on the GitLab server

• Collaborated with an external company to support the development systems, managing key formalities for project changes and product acceptance• Prepared detailed offers for external company estimations, secured budget approvals, conducted financial qualifications, and developed investment efficiency reports to ensure financial viability• Conducted risk analysis focusing on data protection, presented new functionality proposals to the Architecture Committee, and prepared analysis documentation for the Portfolio Committee

• Developed a mobile application in the Java programming language using the Android Studio environment for electricians of power networks• Designed and implemented key functionalities to enable electricians to record electricity meter readings while servicing the electrical equipment, improving accuracy and efficiency in the field• Conducted user testing and gathered feedback from field electricians to continually improve the app's functionality and user experience• Maintained and updated the application, adding new features and resolving bugs based on user needs and technical advancements

• Implemented and integrated GitLab, Jira, Jenkins, and Sonatype Nexus Repository to streamline the software development lifecycle and improve collaboration in development teams• Set up Jenkins to automate builds and testing, ensuring continuous integration and delivery• Implemented Sonatype Nexus Repository for managing and storing artifacts, ensuring secure and efficient handling of dependencies• Built and maintained automated CI/CD pipelines, streamlining software development processes from code integration to production deployment, reducing lead times and increasing delivery speed.

• Developed and maintained enterprise-level applications using Java EE, with a focus on Spring and Spring Boot frameworks for RESTful APIs• Designed and implemented complex business logic using Hibernate for object-relational mapping (ORM), ensuring efficient interaction between Java applications and Oracle Database.• Led Agile teams as a Scrum Master, facilitating daily stand-ups, sprint planning, sprint reviews and retrospectives to ensure smooth project execution and team alignment

• Maintained, designed, and integrated enterprise-level systems using Oracle Service Bus (OSB), ensuring seamless service-oriented architecture (SOA) implementations• Monitored and managed message flow within Oracle Service Bus (OSB) to ensure seamless and efficient data exchange across integrated systems

• Developed and maintained a comprehensive Internet Reservation System (IRS) for flights, hotels, cars and others travel services• Developed and maintained dynamic web application using PHP and Smarty templating engine, delivering efficient and modular back-end solutions• Developed responsive front-end interfaces with HTML, CSS and Bootstrap, ensuring cross-browser compatibility• Integrated interactive features using jQuery to enhance user interfaces, ensuring functionality and responsiveness across various web browsers• Worked with PostgreSQL for database management, writing complex queries, optimizing database performance, and ensuring data integrity and security• Implemented RESTful APIs to integrate third-party services (e.g., payment gateways and flight, hotel, cars booking APIs) to streamline the reservation process

• Responsibilited for diagnose and repair computers• Administered of computer networks