Volodymyr Chernyshev

Contributed to the ongoing support and enhancement of a legacy Warranty Management System for a leading global IT company. The system, built as a monolithic Java EE application, runs on IBM WebSphere and leverages EJB, DB2, Docker, and integrates extensively with platforms such as Salesforce, Jira, and GitHub. The role focused primarily on application stability, bug resolution, and gradual feature enhancements within a complex enterprise ecosystem.

Key Responsibilities:

• Legacy System Maintenance & Support:Maintained and improved a large-scale Java EE monolithic application with a high degree of integration. Ensured system stability through efficient troubleshooting, defect resolution, and performance tuning within a tightly controlled enterprise environment.
• Enterprise Technology Stack:Worked across technologies including WebSphere, EJB, DB2, REST APIs, and Docker, contributing to feature enhancements and platform reliability in coordination with external systems like Salesforce, Jira, and GitHub.
• Asynchronous Data Processing:Applied core Java principles to implement asynchronous processing techniques, significantly improving system efficiency and enabling the application to handle large-scale data operations with reduced latency and resource usage.
• Healthcare Functionality Development (Cross-Project Contribution):Leveraged Spring Boot to build custom software tools enabling structured data extraction and export in healthcare-related modules. Gained domain-specific knowledge to refine data search parameters and enhance functional accuracy.

Ubertal, a leading IT services and consulting provider, is seeking a highly skilled Senior Software Engineer to lead the design and implementation of enterprise-grade solutions for a high-impact manufacturing quality assurance system. Initially brought on as a Senior Java Developer, this role was expanded based on demonstrated success in delivering scalable, serverless architectures and mission-critical applications. The ideal candidate will have deep expertise in Java development, cloud-based microservices, and Agile software delivery.

Key Responsibilities:

• Serverless Microservices Architecture:Designed, developed, and deployed scalable, distributed microservices using Java and open-source technologies. Delivered solutions aligned with client objectives, optimized performance, and supported operational scalability, all while ensuring stability of legacy systems.
• Enterprise Solution Delivery:Drove consistent progress across all phases of the Software Development Lifecycle (SDLC) by collaborating closely with engineering and product teams. Ensured timely delivery of high-quality features aligned with client specifications and business goals.
• Requirements Gathering & User-Centered Design:Partnered with stakeholders to gather and refine user requirements. Translated complex business needs into technical roadmaps, ensuring deliverables were strategically aligned and exceeded client expectations.
• Cross-Functional Collaboration:Acted as a key liaison between Ubertal teams and client stakeholders, bridging the gap between technical development and business objectives. Facilitated clear communication across product owners, QA engineers, and non-technical stakeholders to ensure shared understanding and delivery success.

Yashco offers enterprise IT solutions, web development, SEO, and digital consulting services. The Senior Software Developer contributed actively evolving Java expertise to complete the buildout for eCommerce internal tool through WebObjects and Apple Framework.

• Iterative Improvement: Maintained codebase, performed bug fixes, and developed features to improve eCommerce platform usability and performance while actively championing user experience enhancements.
• Performance Management: Executed caching techniques to stabilize load balancing and maintain reliable performance for the eCommerce platform while allowing scalability, quick response, and improved output quality.

Key Achievements:

✓ Notably migrated new-feature development framework from WebObjects and EO to Spring and JAX-RS to integrate modern development features, provide flexibility, and improve performance.