Position: Senior Data Visualization Developer
Company: Matrix
Experience required: 5y
English level: upper

If you are looking for stability, professional growth, long-term career, and technology challenges in the sought-after companies – come and join us today!

Matrix Eastern Europe, the offshore division of Matrix IT, one of the leading global R&D services companies with more than 10,000 professionals, is looking for a Senior Data Visualization Developer to join one of our teams-Gett!

Location - **POLAND!**

Here is our offer:

• Additional 20 days of paid leave 
• Remote work and flexible working hours 
• Professional and career benefits 
• Top-quality work environment 
• Online courses
• Online sports activities 
• Team Buildings and Christmas Parties 

**Areas of responsibility:**
 
 Dashboards development:
● Collection and analysis of business requirements;
● Development of dashboard backend - creation of data sources by combining data from the DWH or connection to published data sources;
● Visualization of the data using the corporate template and best vis practices;
● Quality checks - functionality tests, data accuracy checks;
● Presentation/adoption of the result to the stakeholders and collecting feedback.

 Tableau Server administration:
● Systems performance analysis and tuning using TSM and RMT or alternatives;
● Users, content, and jobs management;
● Technical dashboards creation based on Tableau repository data;
● Process automatization.
  
Users support & Bugs resolution:
● Resolution of user requests and bugs through the Helpdesk and other channels;
● Quality checks of existing dashboards and data in the DWH.
 
 Development of data-driven culture:
● Development of users' communities;
● Active participation in infra-optimization projects;
● New processes & approaches development.

**Requirements:**
● 5+ year work experience in BA / BI / Data Vis;
● Graduate from a top-tier university with specialization in Computer Science/Math/Data analytics - advantage;
● Proficiency in SQL: the ability to quickly write the efficient code selecting data from multiple sources (CTEs, temp tables, sub-queries, views), knowledge of query optimization techniques, proficiency in window functions;
● 2+ year of development experience in Tableau - calculated fields, LODs, parameters, actions, dashboard containers layout;
● Solid knowledge of data vis principles /practices and aesthetic awareness;
● Experience with other BI technologies (i.e. Power BI, QlikView etc.) - advantage;
● Experience with Linux, command line, Python, Git - advantage;
● Ability to work with large amounts of information and see the wood behind the trees along with attention to deep details;
● Fluent English;
● Can-do attitude, self-discipline, ability to push things to happen, passion for learning;
● Strong communication, problem-solving skills and proactivity;
● Proven team player.