Olena Openko Email & Phone Number

Munich, Bavaria, Germany

Main responsibilities:• Independently developed a robust microservice responsible for managing users, showcasing proficiency in Java and Quarkus Framework.• Leveraged expertise in Spring Cloud Gateway to craft an efficient and secure API, optimizing communication between microservices and enhancing overall system performance.• Migrated the Gateway API from Java 11 to Java 17, embracing cutting-edge features and ensuring seamless compatibility with modern technology standards.• Implemented Kubernetes configurations for all project environments, skillfully integrating OAuth2 proxy and the Gateway API with various microservices and the user interface.• Authored comprehensive technical documentation, providing valuable insights into system architecture, deployment procedures, and service interaction guidelines.• Demonstrated a customer-centric approach by providing exemplary support to end users of the customer, ensuring a smooth adoption and operation of the developed solutions.Additional contributions:• Collaborated effectively with cross-functional teams, addressing project requirements, and contributing to the overall success within the strict standards of an Automotive environment.• Proactively identified and resolved technical challenges, ensuring high-quality and reliable software deliverables.

Munich Area, Germany

Role description:Worked as a Senior Java Developer for a leading company specializing in the development of a highly flexible Content Management platform with extensive functionality and numerous features.Collaborated within multiple cross-functional teams dedicated to implementing novel functionalities and transforming the existing monolithic product into a streamlined microservices architecture.Main responsibilities:• Contributed to the development of new features, offering continuous support to existing functionality, and efficiently resolving defects.• Played a key role in the architectural transition from monolithic to microservices, optimizing performance and scalability.• Established a robust CI/CD process to ensure seamless deployment of the microservices architecture.• Configured staging environments to showcase and test the new microservices and features.• Demonstrated expertise in writing unit tests (JUnit, Mockito) and integration tests, automated into a Jenkins pipeline.• Orchestrated the deployment configurations into Kubernetes clusters for streamlined and reliable operations.• Meticulously prepared technical documentation to facilitate seamless project collaboration.• Implemented an automated changelog generation system to enhance version tracking and transparency.

Kiev Region, Ukraine

Role description:Worked in remote team as a Senior Java Developer for the company which has developed its own Content Management platform. Participated in rewriting of monolithic product into microservies.Main responsibilities:- Migration of monolithic functionality into a microservice, implementing Elastic stack logging support.- Implementing new features for existing product and bugfixing.- Providing unit tests and documentation for implemented functionality. Regular business trips in Germany for Project Planning.Skills: Java, Spring Boot, Maven, Git, Docker, ELK

Kiev Region, Ukraine

Motivated and skilled Software Developer with 6 years experience. I've acquired a high proficiency in the entire software development life cycle while growing to an expert in a wide variety of Java EE and other technologies. I have strong problem solving skills, high communication skills and teamwork spirit.

Application Support: installing updates, customer services provided by phone and Service Desk system. Application Testing: performing functional and regression testing, generation of test reports.Using knowledge of SQL to design and extract report data from the database.

Application Testing: checking whether a new release is in compliance with business requirements.Translating business requirements into technical requirements.

Helpdesk, receiving user requests from branches. Addressing and fixing problems occurring in a given application, routing all others to appropriate resources in related departments.

Responsibilities included designing, conducting and analyzing customer surveys in addition to all the other tasks assigned to a Lead Customer Service Specialist.

Responsibilities included customer service, which was provided via phone and email messaging.

Specialist Degree, Computer Science, Mathematics

Education record