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Schedule Interview NowMy name is Oleksii C. and I have over 10 years of experience in the tech industry. I specialize in the following technologies: Core Java, JUnit, MySQL, MongoDB, Java, etc.. I hold a degree in Master of Computer Science (MSCS). Some of the notable projects I’ve worked on include: Nielsen, Picanova, Internet providers around the world, Cryptocurrency exchange. I am based in Khmelnytskyi, Ukraine. I've successfully completed 4 projects while developing at Softaims.
I am a dedicated innovator who constantly explores and integrates emerging technologies to give projects a competitive edge. I possess a forward-thinking mindset, always evaluating new tools and methodologies to optimize development workflows and enhance application capabilities. Staying ahead of the curve is my default setting.
At Softaims, I apply this innovative spirit to solve legacy system challenges and build greenfield solutions that define new industry standards. My commitment is to deliver cutting-edge solutions that are both reliable and groundbreaking.
My professional drive is fueled by a desire to automate, optimize, and create highly efficient processes. I thrive in dynamic environments where my ability to quickly master and deploy new skills directly impacts project delivery and client satisfaction.
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SoftServe
Nielsen - marketing measurement company. The project involved Big Data, using Java for various modules to perform ETL processes from Netezza to MongoDB and creating REST APIs for data retrieval. Technologies: IntelliJ IDEA, Spring, JUnit, Kafka, Maven, Swagger, Spark Implemented tasks using Java 8 and Scala Developed JUnit tests and conducted integration testing Improved application performance and refactored code Fixed ETL processes Worked with MongoDB, Netezza, Oracle Utilized Docker and Kafka Managed Amazon S3 buckets
As part of a Scrum team of 6 developers, I worked on Picanova's project, a leading manufacturer of personalized wall décor. We enhanced the e-commerce platform, adding new features and improving the user experience. Technologies: Java 8, JavaEE, PostgreSQL 11.8, Tomcat, Instana, REST, OpenAPI/Swagger, AWS (S3, EC2, RDS), Jenkins, Maven, Kibana, Git, SonarQube, JSF, PrimeFaces, Jasper Reports. Mentored developers, conducted code reviews, improved performance, developed features, wrote data migration scripts, and ensured software quality.
Development of a system for finding Internet providers around the world, searching for available services and their prices. Daily communication with the customer. Large distributed development team around the world - about 20 people. Technologies: Java 8; Spring; REST; SOAP; MySQL; Hibernate; Testing tools, RabbitMQ. Responsibilities: ● Implementation of new features and bug fixing ● PR reviewing and management of the development cycle ● Improving application performance ● Support for various ways of working with databases. ● Demo calls with a client
Cryptocurrency exchange with more than 500 trading pairs, KYC, trading monitoring system, and many payment methods. Integration with a test tool. Communication with third-party systems and data synchronization. Showing demo versions and development in teams of various sizes - from 2 to 8 people. Technologies: Java SE, MySQL, AuroraDB, RabbitMQ, Spring JDBC, Docker, microservices, SpringBoot, websockets, payment systems (pay-pal, qiwi, custom payment APIs). Responsibilities: ● Bug fixing, debug and performance issues fixing; ● Design and implement new components; ● Refactoring of existing components; ● Troubleshoot production issues.
Master of Computer Science (MSCS) in Computer science
2014-01-01-2020-01-01