Senior Tableau Developer

• It is a 100% onsite position.
  
• Selected candidate must be able to obtain and maintain a public trust clearance.
  
• Selected candidate must be willing to work on-site in Woodlawn, MD 5 days a week.
  

• SME on Tableau BI Dashboard development, Data Management & Analysis. Strong proficiency in Tableau Desktop and SQL (PostgreSQL preferred) and NoSQL database (Mongo DB preferred) querying.
  

• Dashboard Development
  

• Develop and enhance Tableau dashboards in enterprise environments
  
• Modify and extend existing reporting solutions.
  
• Utilize advanced Tableau Desktop features (parameter actions, LOD expressions, relationships/joins, complex interactions, custom visualizations).
  
• Design intuitive, visually clean, and story-driven dashboards focused on user experience.
  
• Translate loosely defined requirements into polished, functional dashboards with minimal oversight.
  

• Data Management & Analysis
  

• Write and optimize SQL queries, especially in PostgreSQL environments.
  
• Work with messy or imperfect data; identify and resolve data quality issues.
  
• Troubleshoot and resolve Tableau performance issues (workbook optimization, calculations, filters, queries).
  

• Testing & Quality Assurance
  

• Deliver accurate, thoroughly tested, and low-defect dashboards.
  
• Perform dashboard testing, validation, and bug fixing, preferably in Agile/Scrum environments.
  
• Follow written technical requirements and implementation instructions with minimal rework.
  

• Documentation & Communication
  

• Document dashboard changes, testing results, and technical implementation details.
  
• Communicate proactively regarding risks, blockers, and implementation considerations.
  
• Manage multiple enhancement requests, defects, and ad-hoc analysis tasks efficiently.
  

Requirements

• Master's and 5+ years of experience, Bachelor's and 7+ years of experience or 13+ years in lieu of a degree.
  
• 8+ years of experience with analysis, design and developing systems using skills identified in this requirement.
  

• Demonstrated experience with Tableau dashboard development and enhancement
  
• Strong proficiency in Tableau Desktop and SQL (PostgreSQL preferred) and NoSQL database (Mongo DB preferred) querying
  
• Experience with dashboard UX/UI principles and data quality troubleshooting
  
• Experience in Agile/Scrum development environments
  
• Experience in translating loosely defined requirements into polished, functional dashboards with minimal oversight
  
• Strong experience writing and optimizing SQL queries, especially in PostgreSQL environments
  
• Excellent Communication skills
  

• Familiarity with Snowflake or cloud data warehouse concepts
  
• Experience in government or public-section Agile environments
  
• Tableau Certification(s).