Senior Data Visualization Developer

Excella is a transformative technology firm that helps organizations unlock new possibilities. We believe the key to helping clients challenge the status quo and reach new heights lies in our talented people. That’s why we’re committed to developing talent and providing opportunities for career growth at every stage. Join our collaborative team dedicated to solving complex problems with sustainable solutions while building your future as a leader. At Excella, you’re empowered to make lasting impact, turning today’s challenges into tomorrow’s mission successes.

• Workplace locations look different for everyone. Excellians are a distributed workforce and whether you’re working from your home office or a client site, we support a flexible work/life integration regardless of your location.
• We offer top of industry medical, dental, and vision benefits with multiple options to choose from such as an employer-contributed health savings account, infertility coverage, and orthodontia so you can select the plan that works best for you.
• Regardless of what stage of life you’re in, Excella wants to support you. We provide 8 weeks of Parental Leave, discounted pet insurance, and a Care.com membership with 3 back-up emergency child or elder care days annually – all available to you on your first day.
• Starting day one, every employee is bonus eligible and receives 15 days of paid vacation, 6 federal holidays, and 4 floating holidays.
• Doing your best work means having the best tools! Excella’s TechEleX program provides you with multiple options to suit your technology needs. Choose between a variety of Mac or PC devices, and to ensure your hardware remains current, at the end of a 3-year period Excella will replace your existing computer with a new model from the program. Plus, we’ll even give you the original device to keep for your personal use!
• With Excella’s Annual Internet Reimbursement benefit, all employees receive an additional $25 per month to help offset the cost of internet access. This initiative reflects our commitment to supporting you in staying connected and productive, no matter where you work.
• We’ll invest in your career by providing 3 days of paid professional development every year, including an allowance for registration fees to attend classes, conferences, or obtain professional certifications.
• We encourage mindfulness and overall well-being through employee wellness events, a HeadSpace membership, as well as access to TalkSpace and mental health coverage through our medical plans.

Overview 

The Senior Data Visualization Developer is responsible for designing and developing reports and dashboards to support self-service analytics environments for clients. This role requires strong technical skills in business intelligence tools and SQL, as well as the ability to translate business needs into effective data visualizations.  
 

Responsibilities: 
 

• Interact directly with client stakeholders (business or technical) to understand their data visualization needs.

• Use SQL queries to explore, analyze, and import data sources for report development

• Work directly with clients to understand their business goals, data needs, and reporting requirements.

• Create prototypes based on stakeholder requirements to validate report/dashboard design.

• Develop and optimize reports and dashboards using tools such as Tableau and Power BI.

• Ensure data accuracy by performing quality checks on source data.

• Understand and follow best practices in data visualization, automation, and user experience and participate in the cultivation of data visualization culture and community internally.

• Document and train end-users on BI deliverables to ensure long-term sustainability.

 

Qualifications: 
 

• 3+ years of experience developing reports and dashboards using BI tools (Tableau, Power BI, Looker, D3).

• 3+ years writing SQL queries of medium complexity.

• Strong understanding of relational database structures.

• Proven ability to present complex data in an intuitive and visually compelling manner.

• Experience in analyzing stakeholder needs and developing user-friendly visualizations.

• Detail-oriented with a strong sense of data accuracy and quality assurance.

• Ability to structure and write clear, concise documentation.

• Familiarity with relational databases (e.g., SQL, MySQL) and NoSQL databases.

• Knowledge of data warehousing concepts and cloud platforms like AWS, Googl…