Mrinmay Biswas
Hyderabad
Summary
Experienced Staff Engineer at Stellantis with 12+ years of expertise in data analytics and visualization. Skilled in creating impactful reports and dashboards for vehicle data using tools like Power BI, Qlik Sense, Tableau, Power Query, DAX, SQL, Pyspark, Azure Databricks, and AWS(S3). Proficient in transforming, modeling, and visualizing data for optimal performance and security. Collaborates closely with business stakeholders to understand data needs and design user-friendly solutions aligned with organizational goals. Implements best practices for data modeling, performance optimization, and security in Power BI and Tableau. Proven track record of delivering successful projects that provide meaningful insights for data-driven decision making. Continuously learning new tools and models of data visualization. Thrives in team environments and excels at motivating others.
Overview
13
13
years of professional experience
Work History
Staff Engineer
Stellantis
09.2022 - Current
- Owned enterprise visualization platform, improving vehicle data analytics via PowerBI and Qlik Sense dashboards, enhancing business insight
- Self-motivated, with strong sense of personal responsibility.
- Worked effectively in fast-paced environments.
- Optimized visualization and high-performance reporting, working with 80+ advanced Power Query, DAX, and M Query techniques
- Implemented data modeling best practices, performance optimization, and enhanced security, resulting in 25% decrease in data errors and compliance with regulations
- Streamlined data workflows and processes, reducing data processing time by 30% through automation and efficient data pipeline management
- Performing troubleshooting, optimization, and performance tuning
- Handling data extraction, transformation, and loading (ETL)
- Reviewed code to identify SQL changes to improve system performance
- Performed complex SQL queries and stored procedures with parameters
- Assisted in development of Python scripts for data processing and automation
- Participated in agile development processes, contributing to sprint planning and retrospectives
- Implemented unit tests and conducted bug fixes, ensuring high-quality code delivery
- Managed team of 5 junior developers and interns on projects and career growth
- Collaborated with stakeholders to identify data needs, creating user-friendly dashboards aligned with organizational goals
- Led cross-functional teams, developing analytics that influenced decision making and established real-time KPI visualization service for experimentation platforms
- Improved data accuracy and trust by establishing single source of truth for vehicle and software performance, impacting over 80+ reports
- Increased company's efficiency and enhanced communication by identifying and implementing requirements for 20+ instrumentation projects.
Business Operations Analyst IV
Rackspace Technology
06.2020 - 09.2022
- Worked with stakeholders to understand business needs and translate those business needs into actionable reports in QlikSense/Power Bi & Automated excel dashboard saving hours of manual work each week
- Develop data and visualization requirements in support of team performance and metrics and monthly/quarterly business reviews
- Led a cross-functional data analytics team to design and implement advanced data models, resulting in a 20% improvement in predictive accuracy for key business metrics
- Communicate, analyze and derive insights aligned to team KPIs (key performance indicators) and goals
- Manage the planning and development of design and procedures for metrics reports
- Managed the end-to-end data analytics process, from data collection and cleaning to visualization and reporting, ensuring actionable insights were delivered to stakeholders
- Proposed solutions to improve ticket latency, ticket backlog and reduce total ticketing volume and latency
- Optimized data collection procedures and generated reports on a weekly, monthly, and quarterly basis
- Helps establish a framework for business operations reports for various functional areas
- Owns and manages all business operations reporting and HR reporting
- Runs with business operations and analytics needs as pertaining to current projects and Initiatives, ad hoc information requests, CORE requests
- Coordination within internal teams- operations.
Team Leader
Bank of America
02.2019 - 05.2020
- Managed a team of data analysts in delivering quality, accurate, and timely periodic and ad-hoc management reports, dashboards, and analysis
- Developed and mentored a team of data analysts, fostering a culture of continuous learning and professional development, leading to a 15% increase in team productivity
- Designed, developed, tested, and maintained Tableau functional reports based on user requirements
- Mastered the ability to design and deploy rich Graphic visualizations with Drill Down and Drop-down menu option and Parameters using Tableau
- Extensively involved in creating graphs by using measures and dimensions data from various databases by using data blending concept
- Converted existing BO reports to tableau dashboards
- Created different KPI using calculated key figures and parameters
- Developed Tableau data visualization using Cross tabs, Heat maps, Box and Whisker charts, Scatter Plots, Geographic Map, Pie Charts and Bar Charts and Density Chart
- Developed donut charts and implemented complex features in charts like creating bar charts in tool tip
- Worked extensively with Advance analysis Actions, Calculations, Parameters, Background images, Maps, Trend Lines, Statistics, and table calculations
- Trained end-users on effective usage of Tableau dashboards, increasing their efficiency in data-driven decision making
- Implemented row-level security measures within Tableau to ensure proper access controls over sensitive information while maintaining compliance with industry regulations.
Senior Process Executive Data
Cognizant
08.2016 - 02.2019
- Mining data from various sources; transforming the data to build ad hoc reports, dashboards, projects and process automation
- Providing analysis support, managing data and data sources, preparing reports, forecasting the results and making a recommendation for improvement to key stakeholders and measuring via the dashboards, scorecards to measure KPI's scoreboard and Time Tracking process
- Preparing weekly scorecards to provide changes on a weekly basis, and suggested ways for better improvement
- Performing advanced-level calculations on the data set and creating reports on Datastudio
- Delivering Data Sets, Data Visualizations and Final Reporting to the business users
- Performed daily data queries and prepared reports on a daily, weekly, monthly, and quarterly basis on performance & pacing dashboard for all the APAC, EMEA clients
- Created Quarterly business review (QBR), End of Campaign, Campaign Analysis, and Adhoc request report as requested by the client and internal management
- Build a customized dashboard in Data Studio Tool based on client requirement
- Prepared and documented specifications for business intelligence reports.
Reporting Analyst
Randstad
09.2015 - 07.2016
- Successfully completed training on in-house databases, extracted data from various data sources, applied Excel functions to transform raw data in business information required for reporting and data analysis purposes
- Prepared various statistical data analysis reports for the internal division of Randstad technologies, provided daily target/deals updates, and modified report templates as required
- Scripted VBA code which helped managers to store daily recruiters activity information in an automated way and also to segregate & consolidate huge data in the fastest manner
- Created Rich dashboards using DOMO & Tableau BI tool and prepared user stories to create compelling dashboards to deliver actionable insights.
Senior Officer
ICICI Bank
10.2011 - 08.2015
- International Banking Group (NRI) Department of ICICI Bank & MIS Analyst
- Creating the productivity tracker with macro for the process and generating and updating the MIS report
- Execute and maintain reports for external clients and internal support
- Support Adhoc data analysis requests from business owners and support management team
- Develop and maintain databases necessary for projects and department functions
- Develop graphs, reports, and presentations for project results
- Perform basic statistical analysis create and present quality dashboards
- Identify opportunities to automate manual data pulls
- Communicate analysis effectively to internal team and clients
- Streamlined data processing for faster results by implementing advanced analytics tools.
Education
Bachelor of Technology, Electrical, Electronics and Communications Engineering -
Jawaharlal Nehru Technological University, Hyderabad
Hyderabad04.2011
Skills
- SQL
- Azure Databricks
- Performance Optimization
- Extract, Transform, Load (ETL)
- Stakeholder Management
- Data Modeling
- Microsoft Power BI
- Tableau
- Microsoft Fabric
- PySpark
- Microsoft Excel
Timeline
Staff Engineer
Stellantis
09.2022 - Current
Business Operations Analyst IV
Rackspace Technology
06.2020 - 09.2022
Team Leader
Bank of America
02.2019 - 05.2020
Senior Process Executive Data
Cognizant
08.2016 - 02.2019
Reporting Analyst
Randstad
09.2015 - 07.2016
Senior Officer
ICICI Bank
10.2011 - 08.2015
Bachelor of Technology, Electrical, Electronics and Communications Engineering -
Jawaharlal Nehru Technological University, Hyderabad
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