Xebia is a global AI-first, digital transformation, and engineering partner. With over 25 years of experience and a team of 5,000 professionals across 16 countries, we help organizations design and build scalable products, platforms, and data-driven solutions.
We specialize in Artificial Intelligence, Data and Cloud, Intelligent Automation, and Digital Products, combining deep technical expertise with a strong focus on engineering excellence and a people-first culture.
In the CEE region, we’re a team of nearly 1,000 experts delivering modern applications, data platforms, and AI solutions for clients such as McLaren, Aviva, Deloitte, Spotify, Disney, ING, UPS, Tesco, Truecaller, AllSaints, Volotea, Schmitz Cargobull, Allegro, InPost, and many, many more. We work with leading technologies including AWS, Azure, GCP, Databricks, and Snowflake, and combine strong engineering culture with a consulting mindset and a continuous focus on growth and knowledge sharing.
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.
- 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.
Your profile:
- extensive experience with Java development and integration projects,
- practical experience using AI-powered assistants (e.g. Claude Code, GitHub Copilot, Cursor) to improve productivity, quality, or decision-making in software delivery,
- strong knowledge of JDBC driver development and debugging,
- hands-on experience with Kerberos/GSS authentication,
- experience integrating Java applications with Tableau or similar BI platforms,
- solid understanding of ClickHouse or other analytical databases,
- experience working with legacy code and migrating existing solutions,
- familiarity with Windows-based development environments and VPN access,
- experience with packaging, signing and releasing Java applications,
- strong troubleshooting and debugging skills,
- ability to work independently and deliver technical solutions with minimal supervision,
- good communication skills and fluent technical English (at least B2 level).
Work from the European Union region and a work permit are required.
Nice to have:
experience applying GenAI in a more structured way within the SDLC, including defined workflows, prompt patterns, or tool integrations embedded into daily work.
- interest in and familiarity with emerging AI-driven practices (e.g. agent-based workflows, automation patterns, AI-augmented development), with a willingness to explore and experiment beyond standard approaches.
Recruitment Process:
CV review – HR call – Interview – Client Interview – Decision
Skills Required
- Extensive experience with Java development and integration projects
- Practical experience using AI-powered assistants (e.g., Claude Code, GitHub Copilot, Cursor)
- Strong knowledge of JDBC driver development and debugging
- Hands-on experience with Kerberos/GSS authentication
- Experience integrating Java applications with Tableau or similar BI platforms
- Solid understanding of ClickHouse or other analytical databases
- Experience working with legacy code and migrating existing solutions
- Familiarity with Windows-based development environments and VPN access
- Experience with packaging, signing and releasing Java applications
- Strong troubleshooting and debugging skills
- Ability to work independently and deliver technical solutions with minimal supervision
- Good communication skills and fluent technical English (at least B2 level)
- Work from the European Union region and a valid work permit
- Experience applying GenAI within the SDLC, defined workflows or tool integrations
- Interest in emerging AI-driven practices (agent-based workflows, automation patterns)
Xebia Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Xebia and has not been reviewed or approved by Xebia.
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Healthcare Strength — U.S. offerings include health, dental, and vision insurance alongside an Employee Assistance Program, strengthening total compensation where available.
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Leave & Time Off Breadth — Vacation/PTO and paid holidays, with mentions of parental leave in certain regions, broaden time-off options and support work-life balance.
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Retirement Support — A U.S. 401(k) plan with matching is noted, enhancing long-term financial benefits as part of total rewards.
Xebia Insights
What We Do
We are a pioneering IT consultancy company, following 1 mission, 4 values, and 4 business principles. WHO WE ARE With over 20 years of experience, our global network of passionate technologists and pioneering craftsmen deliver cutting-edge technology and game-changing consulting to companies on the brink of transformation. Founded in 2001, Xebia was the first Dutch organization to embrace the Agile way of working, with gurus like Jeff Sutherland. Since then, we have grown from a Java company into a full-service digital consulting company with 4500+ professionals working on a worldwide ambition. We are organized in complementary chapters – teams with a tremendous amount of knowledge and experience within a particular field, such as Agile, DevOps, Data and AI, Cloud, Software Technology, Low Code, and Microsoft. We help the world’s top 250 companies and category leaders overcome digital challenges, embrace innovation, adopt new technology, and implement new business models. In addition to high-quality consulting, we also provide offshoring and nearshoring services. WHAT WE DO ★ Digital Strategy ★ DevOps and SRE ★ Agile ★ Data and AI ★ Cloud ★ Microsoft Solutions ★ Software Technology ★ Security ★ Low Code ★ Xebia Academy HOW WE ARE ORGANIZED Xebia has launched specific labels, like GoDataDriven, Binx, Xpirit, Qxperts, Stackstate, Instruqt, Xccelerated, and Xebia Academy Complementing our organic growth, other specialized companies join our successful journey and also operate within the Xebia network under their own brand name, like Appcino, coMakeIt, g-company, Oblivion, PGS Software, and SwissQ. Together we are Xebia. With 17 offices in Atlanta, San Francisco, UK, Vietnam, Canada, Amsterdam, and Hilversum (the Netherlands), Belgium, Germany, Gurgaon, Jaipur, Hyderabad, Pune, Bangalore, Poland, Melbourne, Mexico, and Dubai. ✉️ [email protected]
