Java Developer

Experienced Performance Engineer with expertise in Hadoop, HBase, and Java. Skilled in team leading, product ownership, estimation, and analysis. Proficient in English and Czech, with elementary knowledge of Russian, German, and Spanish. Holds certifications in Kubernetes, Linux Administration, Advanced Java, relaxation massage, and functional programming in Java 8. Has worked in various software development and consulting roles, including Senior Software Developer, Software Development Contractor, and Software Development Consultant. Strong background in Java programming, backend development, and performance tuning. Holds a Master's degree in Information Systems from Prague University of Economics and Business.

Performace Engineer (December 2023 - Present): Currently working as a Performace Engineer in Prague, Czechia. Senior Software Developer (August 2022 - November 2023): Worked remotely for Barclays bank's HPC team. Software Development Contractor (August 2021 - July 2022): Developed the main auction system for Aukro remotely. Software Development Consultant (February 2019 - July 2021): Worked on the backend side of the Collaboration Hub project for MSD in Prague, Czech Republic. CIO (October 2012 - March 2021): Oversaw a small team developing cloud-based portal products for schools and offered internet-connected vending machines, attendance systems, and RFID chip-based payment systems. CIO (August 2008 - September 2012): Coordinated, developed, and administered vending machine control applications and provided Czech-English translations. Software Development Consultant (February 2020 - March 2020): Developed a next-generation broker platform for Alpiq in Prague, Czech Republic. Consultant (September 2017 - December 2018): Developed java backend for mobile apps for Homecredit China and India, handled API specifications, and participated in production monitoring and performance tuning. Product Manager (January 2017 - July 2017): Managed backlog and represented the team on product management level. Java Team Lead (November 2016 - December 2016): Led a small team of java developers creating a message sending microservice. Developer (September 2015 - October 2016): Worked on agile product development in JavaEE/Spring/EclipseLink and configured and deployed Weblogic/Oracle in Docker on Azure. Senior Programmer (November 2010 - March 2014): Developed Java big data applications using Hadoop, HBase, and MapReduce. Specialized HW vendor and SW developer (April 1996 - March 2014): Developed various software applications and provided PC hardware services. C,C++ programmer and Linux server administrator (January 2001 - October 2010): Developed software in the energy networks field and handled Linux server administration. External consultant and programmer (May 1997 - December 2000): Provided software development and HW+SW consulting services. SW developer (July 1993 - May 1997): Worked as a software developer.