Data Visualization Developer

Constellation Inc; Washington (District of Columbia); On-site; USD 125,000 - 135,000; Full time

Benefits offered by this job

401(k)

401(k) contribution

Medical insurance

Dental insurance

Vision insurance

Life & Disability Insurance

Flexible Spending Account

Paid time off

Professional development

Employee assistance program

Work-life balance

Job summary

Constellation seeks a Data Visualization Developer to join our Homeland Security Team in Washington, DC. The role focuses on designing, building, and maintaining Power BI dashboards that integrate operational and financial data to deliver actionable insights for stakeholders.

The candidate will work with SQL, Power BI, and collaborate with other developers to extract, transform, and load data. Strong communication is required to translate complex outputs into business value.

Qualifications

• Bachelor's degree required in Data Science, Computer Science, Statistics or related field.
• Minimum 4 years of experience with large datasets and data visualization tools.
• Strong SQL skills including optimization and complex joins.
• Proficient in Excel for data analysis (Pivot tables, VLOOKUP, formulas).
• Excellent communication to translate technical outputs to business value.

Responsibilities

• Design, build, and maintain ETL pipelines from SQL databases, SharePoint, and Excel.
• Develop dashboards and data models using Power BI and other tools.
• Optimize SQL queries and maintain documentation for clients.
• Collaborate with clients and technical teams to translate requirements into visualizations.
• Translate data findings into clear insights for stakeholders to support decisions.
• Ensure data accuracy and integrity across reports and dashboards.

Skills

Communication skills

Analytical thinking

Education

Bachelor's degree in Data Science/Computer Science/Statistics

Tools

Power BI

Tableau

Qlik

SQL

Excel

Python (Pandas)

PowerApps

Power Automate

Job description

Pay: $125,000.00 - $135,000.00 per year

Data Visualization Developer

Constellation seeks a Data Visualization Developer to join our Homeland Security Team in Washington, DC. This role requires advanced dashboarding and data analysis skills. The developer will design, build, and maintain Power BI dashboards that integrate operational and financial data to create meaningful, actionable insights for stakeholders. This role requires a strong understanding of SQL, Power BI and coordination with other developers for extraction, transformation, and loading of data. This position is client-facing and requires excellent communication to translate complex technical outputs into clear business value.

Key Responsibilities:

• Design, build, and maintain data ETL pipelines from sources such as SQL databases, SharePoint, and Excel.
• Build, maintain, and automate dashboards, reports, and data models using Power BI and other visualization tools.
• Optimize and refine existing SQL queries and dashboards while maintaining accurate documentation for client dashboards and associated SQL queries.
• Collaborate with clients and technical resources to understand and integrate business requirements into effective data visualizations.
• Translate complex data findings into clear, digestible insights for stakeholders to support data-driven decision-making.
• Ensure data accuracy, consistency, and integrity across reports and dashboards.

The ideal candidate must have the following experience, background, and credentials:

• At least 4 years of experience working with large datasets in a Data Visualization tool like Power BI, Tableau, Qlik.
• Advanced understanding of SQL including query optimization, common table expressions (CTEs), and complex joins for deep-dive analysis
• Advanced proficiency in Excel for standard data analysis tasks (pivot tables, VLOOKUP, complex formulas)
• Excellent communication skills with the ability to gather requirements, present solutions, and translate complex data findings into clear insights for non-technical stakeholders.
• Bachelor’s degree is required, with major in Data Science, Computer Science, Statistics, or a related field preferred
• Be a U.S. citizen able to pass a background investigation by the client agency. DHS clearance with CBP or ICE preferred.
• Experience developing in Python (Pandas) for data analysis is preferred.
• Experience developing PowerApps and Power Automate solutions is preferred.

Job Type:

Full-time

Work Location:

Hybrid

Benefits:

• 401(k)
• 401(k) contribution
• Medical insurance
• Dental insurance
• Vision insurance
• Life & Disability Insurance
• Flexible Spending Account
• Paid time off
• Professional development
• Employee assistance program
• Work-life balance