🌐 I work as a senior Java software engineer / consultant / contractor / freelancer and help customers to grow their business worldwide.✅ Java is my language of choice for building scalable software systems using microservices in different cloud environments. I built systems using Java and Kotlin for different industries, such as Pharma, Chemical, Car Manufacturing, Communication, Financial and Blockchain. 👉 I’m in a continuous process of improving and growing my tech skills, striving for best practices!🚀Always looking for challenges where I could help with my technical expertise!

➣ Enterprise Blockchain SolutionsThe client, Web3 Labs, a leading blockchain technology company, was looking to enhance their existing software products and extend support expertise to other blockchain solutions in order to grow their business.• Boosted stability with 30% and reduced user reports by 50% through upgrades to components, business logic and enhanced functionalities that facilitate user interactions with blockchain networks.• Increased functionalities by 25% through keeping updates aligned with the latest blockchain features on the market, specifically for Ethereum, encryption functionalities, offchain features.

➣ Decentralised Device Identity Provider for Economy of ThingsThe client, PairPoint, a part of the Vodafone company, needed a solution to generate identities for participants in the Internet of Things networks that aligns with the new standards and is compatible with blockchain networks.• Ensured fulfillment of requirements, development and integration by 100% of solution by designing and implementing the initial API, ultimately culminating in a successful launch into production.• Lead a team of 3 developers and actively conducted knowledge-sharing sessions with both the team and upper engineering management to accelerate the onboarding and adoption of the new solution.

➢ Decentralised Corda platform for Economy of ThingsThe client, PairPoint, a part of the Vodafone company, was struggling to adopt and expand the decentralised network used for creating Internet of Things enterprise environments by adding new functionalities and increasing performance.• Enhanced execution of business transactions by 100% among enterprise customers nodes by enabling workflow executions between individual applications.• Improved performance in workflows execution by 20% utilizing monitoring tools to identify the bottlenecks and optimizing the business logic behind them.• Reduced node overhead time by 50% in ensuring transaction data by incorporating verification services to authenticate and sign business transactions.

➣ Financial global currency exchange market placeThe client, CurrencyFair, was struggling in sustaining and expanding its core banking and currency exchange infrastructure due to a surge in new banking customers' integration requests and new features aimed at business expansion. • Enhanced system architecture by 100% through the migration from a monolith architecture to a microservice architecture, with each banking customer operating on an individual microservice. • Improve interactions with banking customers by 100% and the development process by 50% through leveraging new architecture advantages and implementing safeguards to prevent unintended critical modifications in the payment processor. • Ensured a payment reconciliation rate of 95% by automating reconciliation work for all financial transactions specific to different banking customers.

➢ Content Management Solutions for Lice Science Industries The client, fme Group, needed to enhance and strengthen business relationships with leading global goods manufacturing companies by delivering the best content management solutions to improve their processes.• Enhanced bankruptcy management system with 100% for a global German car manufacturer through migration to the latest technologies, implementation of new UI, redesigning of database.• Improved content management system by 3x for a global US chemical manufacturer by implementing workflows and lifecycles at the document levels to simulate the manufacturing processes.• Enhanced performance of approval process by 20% in the release process products for Big Pharma Company through integration of a new Life Science content management solution.➢ Java internships mentor and coordinator.

◾Achieved and developed high java and OOP programming knowledge that made me able to approach and develop any kind of enterprise application based on java programming language.