Data Visualization Engineer
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Job Location:
Vienna, VA - USA
Monthly Salary:
Not Disclosed
Posted on:
Yesterday
Vacancies:
1 Vacancy
Job Summary
Halvik Corp delivers a wide range of services to 13 executive agencies and 15 independent agencies. Halvik is a highly successful WOB business with more than 50 prime contracts and 500 professionals delivering Digital Services Advanced Analytics Artificial Intelligence/Machine Learning Cyber Security and Cutting-Edge Technology across the US Government. Be a part of something special!
This position will design develop and maintain high-impact data visualizations and interactive dashboards using Tableau and related analytics platforms. The role combines strong SQL skills database optimization knowledge and visual design expertise to transform complex datasets into compelling actionable insights for stakeholders across federal government clients.
Key responsibilities include: (i) developing Tableau dashboards with sophisticated parameters filters and drill-down capabilities; (ii) writing optimized SQL queries and understanding database performance through proper use of partitions indexes and query optimization techniques; (iii) creating visually appealing user-friendly dashboard layouts that follow UX best practices; (iv) embedding and integrating Tableau visualizations into web applications and portals; (v) collaborating with data engineers and architects to design efficient data models that support visualization requirements; and (vi) exploring and implementing AI-enhanced analytics capabilities including natural language query generation automated insights and predictive visualizations as these capabilities mature within BI platforms. This role offers significant growth opportunities to expand into advanced analytics data science applications and emerging AI-powered visualization technologies.
Required Skills
- Tableau Development & Design (3 years)
- Expert-level Tableau dashboard development including complex calculated fields LOD expressions and advanced chart types.
- Strong visual design sense with ability to create clean professional and intuitive dashboard layouts.
- Extensive experience with Tableau parameters actions and filters to create interactive user experiences.
- Proven ability to transform rough requirements into polished production-ready visualizations SQL & Database Optimization (3 years).
- Proficient in SQL for complex queries joins aggregations and data transformations.
- Understanding of database performance optimization including partition pruning index usage and query execution plans.
- Experience with live database connections vs. extracts and knowing when to use each approach.
- Ability to troubleshoot and optimize slow-running visualizations through query and data source improvements
- Application Integration & Deployment (2 years).
- Experience embedding Tableau dashboards into web applications using Tableaus JavaScript API or REST API.
- Understanding of user authentication and row-level security implementations.
- Familiarity with Tableau Server or Tableau Cloud administration and publishing workflows.
- Experience with version control and promoting visualizations across development test and production environments
Preferred Skills:
AI & Advanced Analytics Exposure:
- Interest in or experience with AI-powered analytics features (e.g. Ask Data Einstein Analytics natural language generation).
- Familiarity with Python or R for custom analytics and integration with Tableau.
- Understanding of machine learning concepts and how to visualize model outputs predictions and uncertainty
Technical Breadth:
- Experience with other BI tools (Power BI Qlik Looker) or data visualization libraries ( Plotly).
- Knowledge of cloud data platforms (AWS Redshift Azure Synapse Snowflake Google BigQuery).
- Experience with modern data stack tools (dbt Fivetran Airflow) and how they feed visualization layers.
- Understanding of dimensional modeling star schemas and data warehouse design principles
Soft Skills & Growth Mindset:
- Strong communication skills to gather requirements from non-technical stakeholders and present insights clearly.
- Ability to balance competing priorities between visual appeal performance and functionality.
- Demonstrated ability to learn new technologies quickly and stay current with evolving BI/analytics capabilities.
- Collaborative approach to working with data engineers architects and business analysts
Halviks pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.
Required Experience:
IC
Key Skills
- Apache Hive
- S3
- Hadoop
- Redshift
- Spark
- AWS
- Apache Pig
- NoSQL
- Big Data
- Data Warehouse
- Kafka
- Scala
About Company
Certifications: CMMI DEV L3 | CMMI SVC L2 | ISO 9001:2015 | ISO 14001:2015 | ISO 17025:2017 | ISO 20000-1:2011 | ISO 27001:2013 Contract Vehicles: GSA OASIS SB | ARMY ITES-3S | 8(a) STARS III |
