Senior Java Integration Engineer (1-month contract)
Poland and Middle-Eastern Europe · Bulgaria; Czechia; Hungary; Poland; Romania
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- Company
- Poland and Middle-Eastern Europe
- Location
- Bulgaria; Czechia; Hungary; Poland; Romania
- Posted
- July 15, 2026
About this job
We are looking for a freelance Senior Java Developer for an initial 1-month engagement (August), with the possibility of extension based on project needs and performance. You will be: developing and validating Java-based integration solutions, reproducing and troubleshooting issues with the ClickHouse JDBC connector, debugging and fixing Kerberos/GSS authentication for Tableau Desktop and Tableau Server, migrating the connector from JDBC v1 to JDBC v2, testing and verifying functionality across Windows, VPN and Tableau environments, packaging and signing connector releases for deployment, collaborating with technical stakeholders to resolve complex integration challenges.…
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