Vitaliy Zosim Email & Phone Number

Bavaria, Germany

Munich, Bavaria, Germany

Developed a modular application for a trading platform supporting energy trading across different exchanges.Utilized a clean architecture approach, microservices, and cloud deployment strategies to enable system maintenance and scaling based on the required load.Developing technical designs, conducting technical reviews for new features, and performing code reviews.

Warsaw, Mazowieckie, Poland

I migrated large, tightly-coupled legacy monolith systems from .NET Framework to a scalable microservice architecture based on modern .NET Core and Azure Infrastructure.I carried out data migration from the legacy structure to the new required structure, migrated data from S3 to Azure Blob Storage, and transferred SQL data to Document Storage.Made performance optimizations to enhance critical application flows such as search, quick booking, and payment processes.Led a development team, collaborating closely with business analysts and product owners to translate complex business features into technical solutions. Experienced in working within cross-functional teams to prioritize and deliver high-impact features.

Kharkiv Region, Ukraine

I developed a cloud-based application using AWS Services to connect two ERP systems for managing shared resources. I ensured the reliable delivery of messages and files and integrated with S3 bucket to store and manage large amounts of binary and media files.

Kharkiv, Ukraine

Implementing scalable and secured application services. The focus was on delivering consistent messages, working with a huge amount of media files, and adding complex flow. Using OOD, data flow, and ASP.NET, Blob Storage with decentralized media storage CDN that brought good results and a successful user experience.

Kharkiv, Ukraine

Developing an AdTech management system for rating analysis and advertising management. Using concurrent techniques based on .NET Core's Task Parallel Library (TPL) to parallelize data processing and improve overall throughput. As a result, the system is able to handle specific flow simultaneously and scales.

Kharkiv, Ukraine

Implementing communication protocols with different devices and monitoring portals. Collaborating with product owners, QA teams, and embedded engineers to design an effective high-level transmission protocol. As a result, the successful release of the protocol allowed to extension of monitoring devices based on micro-controllers.

Kharkiv, Ukraine

Developed key modules for a centralized monitoring system enabling real-time data collection and analysis. Employed a method combining short HTTP messages with a shared queue to ensure strict ordering in data streaming. This approach successfully delivered messages promptly to clients, keeping critical delivery delays within specified thresholds.