Senior Data Visualization Developer

Role Overview

• 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.

Requirements

• 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, Google Cloud, or Azure.
• Familiarity with Agile methodologies and collaboration tools (e.g., Jira).
• Enthusiastic about learning and adopting new features within BI tools.

Tech Stack

• AWS
• Azure
• Cloud
• D3.js
• MySQL
• NoSQL
• SQL
• Tableau

Benefits

• 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.