Ivan Kosovych Email & Phone Number

Poland

Project: Related to the laundry management industry. This project involves handling various tasks, such as purchasing and maintaining inventory, processing and distributing laundry, and managing reporting and invoicing for different sectors like Healthcare, Hospitality, Route Accounting, Industrial/Uniform, and Sterile Pack processing. It also includes simplifying the setup process and ensuring smooth integration, providing scalable solutions tailored to each industry’s unique needs and budget, and offering expert support to maintain seamless operations.Responsibilities:- Researching and analyzing business requirements to properly evaluate and complete tasks. - Designing and implementing logic for creating and managing SQS (Simple Queue Service) queues, including configuring queue settings, handling message retrieval, and processing to ensure reliable and efficient communication between distributed systems.- Developing and implementing logic for parsing and processing CSV and Excel files, including data extraction, transformation, and validation to ensure accurate and efficient data handling.- Developed and deployed job functions and parallel task execution, enhancing operational efficiency and ensuring a more streamlined and responsive system.- Teamed up to develop and enhance custom APIs, playing a key role in designing and implementing effective new data pipelines, which led to a substantial boost in efficiency.Environment and Tools: Java 21, Spring Framework (Core, Data, Security, Test, Cloud), Spring Boot, Hibernate, MapStruct, Lombok, Docker, Liquibase, Gradle, Jira, Git (GitHub), Confluence, Postman, DataDog, AWS, IntelliJ IDEA, Checkstyle, Swagger, Postgresql, H2.

Ukraine

Project: Related to the retail trade. This project involves handling various tasks, such as processing transactions and ensuring smooth order fulfillment for different product categories. It also includes managing the logistics, like coordinating deliveries and making it convenient for users to pick up items themselves.Key Responsibilities & Achievements:- As a key developer, I collaborated on delivering custom APIs and creating and improving modules, contributing to the design and implementation of efficient new data pipelines, increasing efficiency by a significant %.- Enhanced system reliability and operational performance by 25% through collaborative troubleshooting with Operations and Support teams in Azure Cloud environments. - Led the successful migration of data from Hybris to Microservices using various design patterns such as (Circuit Breaker, API Gateway, Event-Driven Architecture, ...etc.) to ensure a smooth transition, reducing processing time by 30%.- Created and implemented job functions for systematic system monitoring and parallel task execution, aiming to enhance operational efficiency and ensure a more streamlined and responsive system.- Introduced a retry mechanism for the primary order processing workflow. This implementation aims to increase the system's resilience and improve its ability to handle ordering processes more reliably, providing a smoother experience for users.- Contributed to the analysis and enhancement of database queries, resulting in a 10% increase in overall system performance.Technologies: Java 11+, Spring Framework (Boot, Core, Data, Security, Test, Cloud, Integration), Tomcat, Hibernate, MapStruct, Lombok, Mockito, JMS, ActiveMQ, Docker, Liquibase, Hazelcast.Database: MSSQL, H2.Tools: Gradle, Jenkins, Jira, Git (Bitbucket), Confluence, Sonar, Postman, JMeter,Kibana, New Relic, Microsoft Azure, IntelliJ IDEA, Checkstyle, Swagger.

Ukraine

Description: acting as a Java Mentor within the study course, where students practically learn and apply such technologies and approaches as Java, Hibernate, Spring (Boot, Security, Data JPA, Web), MySQL, Liquibase, Multithreading, Docker, Web development, Scrum.Key Responsibilities & Achievements:- As a Java Mentor, I have been responsible for conducting technical check sessions and practice exams to effectively diagnose areas for improvement and reinforce learning. - I have also performed homework code reviews and facilitated Q&A sessions for students, clarifying complex concepts and topics.- Provided guidance and support to students in their Java programming projects, helping them to develop their skills and knowledge in the language. - Have also been responsible for creating and delivering training materials and presentations to help students learn and understand Java programming concepts. - Have been responsible for monitoring and evaluating the progress of students, providing feedback and guidance to help them improve their skills and knowledge.- Conducted technical check sessions and practice exams, effectively diagnosing areas for improvement and reinforcing learning.- Performed homework code review, and facilitated Q&A sessions for students, clarifying complex concepts and topics.

Ivano-Frankivsk, Ukraine

Project Description: Working on several internal projects, our team was actively involved in various aspects of customer service and process optimization. These internal projects interacted to create a unique approach to solving customer service problems and optimizing the company's business processes.Key Responsibilities & Achievements:- In one of the projects, we worked to ensure reliable customer service in the electricity sector. We efficiently processed applications from citizens regarding problems with the power grid, ensuring that they were resolved quickly and that the entire process was monitored.- Developed a project aimed at organizing electricity supply services. This project included the installation of electricity meters, replacements, repairs, and other services, as well as the preparation of all necessary documents for these services.- One of the projects was related to databases and reporting, which expanded our field of activity. We actively optimized the data in the databases, ensuring their efficient use. A special emphasis was placed on accurate reporting, which allowed us to provide clear and analytical data for all stakeholders.Technologies: Java 7-8, Spring Framework (Core, Boot, Data, Security, Test), JavaEE 6, Hibernate, Lombok, Tomcat, HTML, XML, CSS, JavaScript.Database: MSSQL.Tools: Git (GitLab), Maven, Ant, IntelliJ IDEA, NetBeans, Postman, MS SQL Management Studio.

Ivano-Frankivsk, Ukraine

Project: A network of gas stations in Ukraine. A mobile application that meets the needs of both motorists and shopping enthusiasts. This app allows users to earn cashback on fuel purchases, use personalized discount cards to save money at their favorite stores and participate in bonus programs. They can also track promotions for automotive services and receive special offers based on their geolocation.Key Responsibilities & Achievements:- Contributed to the project by adding new features and fixing bugs, ensuring the continuous improvement of the project.- Developed unit tests and integration tests to assess the entire project thoroughly.- Produced detailed bug reports using Google Cloud Platforms, ensuring effective communication and streamlined issue resolution.- Developed and integrated push notification functionality for mobile platforms using Firebase. This enhancement enabled effective communication with users, providing timely updates and improving overall engagement with the mobile application.- Designed and developed a user-friendly admin panel to facilitate efficient and effective product management, offering streamlined oversight and control over key project aspects.Technologies: Java 8 Spring Framework (Core, Boot, Data, Security, Test), Hibernate, Lombok, JUnit, Mockito. Database: MySQL.Tools: Maven, IntelliJ IDEA, Swagger Build, Postman, MySQL Workbench, Google Cloud Platforms, Firebase, Git (Bitbucket), GitKraken.

Ivano-Frankivsk, Ukraine

Description: I created a user page that allowed users to input personal details and upload media files, focusing on simplicity and user-friendliness for effective information management and file sharing.Technologies: Java 8 Spring Framework (Core, Boot, Data, Security, Test), Hibernate, Lombok, JUnit, Mockito. Database: MySQL.Tools: Maven, IntelliJ IDEA, Postman, MySQL Workbench, Git (GitHub).

System Engineering, Institute Of Information Technologies

Throughout my academic journey, I explored both fundamental and advanced aspects of System Engineering, applying my understanding in both.

Education record

• Enrolled in an impactful educational program aimed at enhancing the skills, habits, and mindset of seasoned engineers. • Actively.

Computer Programming

Successfully completed the Java course at the Programming Academy under the guidance of Sergey Ishcheryakov. Sergey's expert instruction.