Data Visualization SpecialistPolestar Analytics • Noida, Republic Of India, IN
Data Visualization Specialist
Polestar Analytics • Noida, Republic Of India, IN
24 days ago
Job descriptionOptimize Power BI data models for performance, minimizing load times and improving report rendering. Implement query optimization techniques and ensure efficient use of memory and resources. Troubleshoot and resolve performance issues related to data loading and report execution. Collaborate with business stakeholders, including executives and department heads, to gather and understand business requirements. Translate business needs into detailed technical specifications and functional designs for BI solutions. Provide strategic guidance and insights based on data-driven analysis, aligning BI solutions with business goals. Leadership and Mentorship : Mentor and provide technical guidance to junior Power BI developers, assisting with troubleshooting, performance tuning, and development best practices. Lead or coordinate BI project teams, ensuring that projects are completed on time and within budget. Develop advanced, interactive visualizations that facilitate business decision-making and provide actionable insights. Create interactive visualizations, KPIs, and custom features that enable users to explore data dynamically. Work closely with the IT team to ensure the proper configuration and deployment of Power BI reports and dashboards. Collaborate with database administrators and data engineers to ensure data quality, security, and integration with existing systems. Participate in data warehouse and cloud data architecture discussions to ensure BI tools are fully integrated into the data ecosystem. Manage the end-to-end lifecycle of BI projects, from requirements gathering and design to deployment and post-launch support. Create and maintain project documentation, including user guides, technical specifications, and deployment plans. Continuously monitor and evaluate new features and best practices within the Power BI platform. Stay up-to-date with emerging BI trends, tools, and technologies to ensure the organization remains at the forefront of data analytics. Power BI Expertise : In-depth knowledge of Power BI Desktop, Power BI Service, and Power BI Mobile, including advanced features such as Power BI Embedded and Power BI Premium. Expertise in creating complex, enterprise-level dashboards and reports with interactive data visualizations. Extensive experience with data integration, including the ability to connect Power BI to various data sources (SQL Server, cloud-based data sources like Azure, AWS, Salesforce, etc.). Expertise in using Power Query for advanced data transformations, including merging and appending datasets, filtering data, and applying transformations at scale. Creation of data model in Power BI as per best practices (preferable Star Schema) Advanced skills in DAX (Data Analysis Expressions) for building complex calculations, aggregations, time intelligence, and custom metrics. Ability to troubleshoot and optimize DAX formulas and data models for performance improvements. Strong SQL skills for writing complex queries, working with stored procedures, views, and functions to extract and manipulate data from relational databases. Ability to optimize SQL queries for performance, particularly when working with large datasets. Expertise in optimizing Power BI reports and dashboards for high performance, including query optimization, reducing data model size, and implementing efficient data refresh strategies. Knowledge of Power BI Performance Analyzer, Query Diagnostics, and advanced optimization techniques. Experience with Power BI administration, including managing workspaces, datasets, dataflows, and security policies. Expertise in implementing Row-Level Security (RLS) and other access control methods to ensure proper data governance. Experience with Power Automate for automating workflows, data refreshes, and notifications. Knowledge of integrating Power BI with other Microsoft 365 tools (Excel, SharePoint, Teams) and third-party systems. Business Analysis & Requirement Gathering : Expertise in engaging with stakeholders across the organization to gather detailed business requirements and translate them into scalable, robust BI solutions. Ability to understand the strategic needs of the business and recommend data-driven solutions that align with organizational goals. Proven ability to lead and mentor junior Power BI developers, providing guidance on best practices, troubleshooting, and optimization techniques. Strong leadership skills to manage end-to-end BI project lifecycle and ensure timely delivery of projects. Strong communication skills to effectively present complex data findings and insights to non-technical stakeholders, including executives and business leaders. Ability to create clear, compelling presentations and reports that drive business decision-making. Advanced problem-solving skills to troubleshoot complex data issues, optimize reporting processes, and improve user experience. Ability to think critically about the business impact of data and recommend actionable insights. A proactive attitude toward staying current with the latest Power BI features, industry trends, and advancements in data analytics. Provide innovative ideas and contribute in Organization’s products or assets. Familiarity with cloud-based BI solutions, particularly in the Azure ecosystem. Microsoft Power BI Certification (PL-300, PL-600, or similar) is a plus. Experience in leading a team of BI developers and mentoring junior professionals. Strong problem-solving skills, analytical thinking, and stakeholder management abilities. Clear, concise communication with stakeholders to understand requirements and explain solutions or suggestions or recommendations.
Job Title : Power BI Developer
Location : Noida or Bangalore
Job Type : Full-time
Experience : 5+ years
Industry : IT Services & Analytics
Job Description
Roles & Responsibilities
- Design and Develop BI Solutions :
- Lead the development of interactive dashboards and reports using Power BI, ensuring high-quality, visually appealing, and user-friendly outputs.
- Integrate Power BI with various data sources (SQL Server, Azure, Salesforce, cloud-based platforms, etc.), ensuring seamless data flow.
- Ensure accurate data extraction, transformation, and loading (ETL) from multiple systems or data sources into Power BI.
2.Optimize Data Models and Performance :
3.Business Requirements Gathering and Solution Design :
5.Advanced Reporting and Data Visualization :
6.Collaborate with IT and Data Teams :
7.Project Management and Reporting :
8.Stay Updated on BI Trends and Power BI Features :
Required Technical and Professional Expertise
Technical Skills :
2.Data Integration & Modelling :
3.Advance DAX :
4.Database & SQL Proficiency :
5.Performance Tuning & Optimization :
6.Power BI Administration & Security :
7. Automation & Integration :
Professional Skills :
2.Leadership & Mentorship :
3.Stakeholder Communication & Collaboration :
4.Problem-Solving & Critical Thinking :
5.Continuous Learning & Innovation :
Preferred Skills
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Data Visualization Specialist • Noida, Republic Of India, IN
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