Ihor Shulha

Ihor Shulha Software Engineer | Full Stack Developer-| - | Germany | www.linkedin.com/in/ihorshulha PROFILE SUMMARY Skilled Java Software Engineer with several years of experience designing, developing, and maintaining robust backend systems across industries such as payment system, healthcare, finance, and cryptocurrency. Proficient in microservice architecture, modular systems, and cloud-based solutions. Adept at integrating third-party systems, optimizing legacy platforms, and implementing secure, scalable infrastructure. Strong team collaborator with a passion for learning and performance optimization. TECHNICAL SKILLS Programming languages: Java (8–21), Python, Kotlin, Groovy, SQL Web/FE Technologies: Angular, REST, WebSocket, gRPC Frameworks/Libraries: Spring Boot, Hibernate, Webflux, Spring Security, Flutter Cloud & Infrastructure: AWS (S3, EC2), Azure DevOps, Docker, Docker Swarm, Kubernetes DevOps: Jenkins, CI/CD pipelines, NewRelic Messaging & Event-Driven Architecture: Kafka, AWS SQS Databases: PostgreSQL, MySQL, Redis, Cassandra Agile & Collaboration: Cross-functional teams, customer support (L3), proactive troubleshooting Languages: English – Professional working proficiency | Ukrainian, Russian – Native PROFESSIONAL EXPERIENCE 09.2023 — present​ Java Software Engineer - PayGames Developed and maintained a proprietary payment system using modular architecture. ●​ Integrated over 20 third-party payment systems into the company platform. ●​ Delivered features such as payment cascading, currency conversion, and data analytics. ●​ Provided third-level customer support, ensuring technical reliability and high system availability. Tech Stack: Java 21, Spring Boot, Webflux, AWS, PostgreSQL, Angular, NewRelic, Postman. 07.2022 — 08.2023​ Java Software Engineer - Intellias Contributed to microservices-based SaaS solutions for media and finance sectors. ●​ Developed and maintained new microservices in a cloud-native architecture. ●​ Maintained and optimized Jenkins CI/CD pipelines for Kubernetes. ●​ Migrated and enhanced legacy services to improve performance and scalability. Tech Stack: Java 17, Spring Boot, Kafka, gRPC, RESTful API, AWS S3, Swagger, Jenkins. 03.2020 — 07.2022​ Java Software Engineer - GlobalLogic Ukraine Delivered service-oriented healthcare systems compliant with Class B medical software standards. ●​ Developed secure RESTful and gRPC services to manage medical data. ●​ Built tools for testing A-class medical devices. ●​ Collaborated closely with multiple development teams for integration and delivery. Tech Stack: Java 11/17, Spring Boot, Groovy, Cassandra, PostgreSQL, Azure DevOps, Docker. 10.2019 — 03.2020​ Java Software Engineer - WizardsDev Worked on a cryptocurrency platform with a focus on secure user management. ●​ Developed and tested features for the crypto trading application. ●​ Focused on Spring Security, PostgreSQL data persistence, and WebSocket communication ​ Tech Stack: Java 8, Spring Framework/Security, PostgreSQL, WebSocket, Unit & Integration Testing-​ Self-Employed Entrepreneur​ ●​ computer systems and network support ●​ management and administrative work ●​ logistics ●​ training and professional development ​ ​ ​ -​ ​ ​ ​ Engineer in Solid Modeling - Ukrainian State University of Science and Technologies Design and implementation of solid models and computer-aided design of building structures using SolidWorks software. EDUCATION 08.1994 - 07.1999​ Ukrainian State University of Science and Technologies Engineer's degree, Building Construction Technology