Tableau Developer

Interexy is a U.S.-based outsourcing and outstaffing company offering full-cycle development services to our clients. We specialize in both native and cross-platform development solutions. Now we’re looking for a Tableau Developer.

Tasks:

• Design, build and optimize enterprise Tableau dashboards

• Develop reporting-friendly data models on Cloudera Data Platform (Hadoop) and Azure Databricks (Delta Lake, SQL Warehouses)

• Implement and tune SQL queries (Hive, Impala, Spark SQL, Databricks SQL) for performance, cost efficiency and concurrency

• Apply Tableau performance optimization strategies (extract vs live, push-down optimization, query tuning)

• Design and implement secure enterprise Tableau configurations, including row-level security aligned with role concepts

• Ensure compliance with IT security, data governance and regulatory requirements

• Collaborate with data platform teams, DataOps, IT security/compliance and controlling solutions

• Produce professional documentation: data models, dashboard specifications, data-source definitions, security concepts, test cases

• Conduct testing for accuracy, performance, access control and stability of dashboards and data models

• Provide knowledge transfer, coaching and structured handover to internal teams

Requirements:

• Strong hands-on experience with Tableau Desktop and Tableau Server/Cloud in enterprise environments

• Proven ability to build management-ready dashboards for finance/controlling or other regulated industries

• Practical experience with Cloudera Data Platform, Hadoop ecosystems, and Azure Databricks integrations

• Advanced SQL skills across Hive, Impala, Spark SQL, Databricks SQL

• Solid understanding of Delta Lake, parquet/ORC formats, and BI-oriented data modeling principles

• Experience implementing row-level security and with enterprise BI solutions

• Strong knowledge of performance optimization in Tableau, Hadoop and Databricks environments

• Ability to operate in regulated financial environments with security, compliance and data governance constraints

• Excellent communication and documentation skills in English