Football,Rock Music
Subhayan Roy
Data Scientist/ML Engineer
Kolkata
Summary
An exuberant and analytical professional with nearly 3 years of experience in Data Analytics, Business Analysis & Data science; targeting assignments in the same with a firm of high repute that leads to mutual growth and benefit in versatile sectors, open to PAN India. Profile Summary Currently working as Healthcare Data Analyst in Applied Research Works, Cozeva Gathered adequate exposure in loyalty analytics for one of the top coffee chains Starbucks & largest FMCG in the world along with IT & Healthcare sectors; performed business intelligence for regions like Brazil, UK and Pacific Asia Comprehensive understanding of the concept of data science - advanced analytics, predictive modeler, machine learning algorithm in multiple technical and functional domains Expertise in conducting full lifecycle analysis including data gathering and cleansing, deep dive advanced statistical analysis/modeling and recommendations to optimize performance Skilled in providing data-driven, action-oriented solutions to challenging business problems Acquired project management skills like requirement gathering, client facing, feasibility study, project, and so on Secured 498th rank in 30 days of ML Competition from Kaggle
Overview
4
4
years of professional experience
6
6
years of post-secondary education
8
8
Certifications
3
3
Languages
Work History
Healthcare Data Analyst
Research Works
Kolkata
02.2022 - 05.2023
- Dealing with clients like SHARP Healthcare and PPMSI; creating AMP audit reports for various healthcare measure as per clients’ requirements
- Analyzing files with the help of UNIX; creating User Feed Automations
- Mapping client’s requirements, performing system analysis and finalization of technical/functional specifications and high level design documents for the project
- Analyzing and processing complex data sets using advanced querying, visualization and analytics tools
- Identifying, measuring and recommending improvement plans for KPIs across all business areas
- Developing computationally complex and practical data; ensuring final deliverables are of the highest quality
- Supporting the development, sharing, and enhancement of dashboard and reporting solutions using various software
- Significant Accomplishments:
- Completed HEDIS and AMP Certification within 2 months
- Solved multiple redmine tickets which helped bug removal in data load by 32%
Business Analyst
Marico Ltd
Mumbai
02.2021 - 02.2022
- Understood business problems and conveyed it to developers for implementing action oriented solutions & optimizing profit
- Developed dashboards with the help of Product Managers and Developers for brands like Saffola Honey
- Documented business requirements, prepared process related documentation and coordinated for user acceptance testing
- Coordinated with users for system study, requirements gathering, analysis & testing of applications and managed smooth implementation of the same
- Worked with Product Teams to identify opportunities for product enhancement based on data driven insight
- Acted as a liaison between stakeholders and users
- Managed competing resources and priorities
- Monitored deliverables and ensured timely completion of projects
- Significant Accomplishments:
- Performed Root Cause Analysis of errors in one of the main dashboards and minimized the error by putting checks in SQL level by 70%
- Automated a VBA script job of refreshing pivot table using Python
- Created E-com Tracker Saffola Oodles Tracker with an annualized business profit of 81%
Business Analyst
WNS Global
Bangalore
02.2019 - 10.2020
- Conducted data analytics and business intelligence of Starbucks clients for three regions - Brazil, UK and Pacific Asia
- Performed loyalty analytics using SQL for Starbucks UK and Brazil
- Catered to complex business problems and solved them using SQL
- Created Tableau Dashboard for COVID affliction to business in Starbucks UK
- Automated a Starbucks Germany Dashboard using Python
- Evaluated business processes, anticipated requirements, uncovered areas for improvement, and developed & implemented solutions
- Led ongoing reviews of business processes and developed optimization strategies
- Stayed up-to-date on the latest process and IT advancements to automate and modernize systems
- Conducted meetings and presentations to share ideas and findings
- Effectively communicated insights and plans to cross-functional team members and management Significant Accomplishments:
- Wrote SQL and Python Codes to catch fraudulent transactions in Starbucks UK which led to decrease in risk of fraudulent purchases by 12%
- Wrote R code and SQL commands to identify split-transactions in UK Starbucks
- Made a linear regression model to predict the sale of coffee in UK during the pandemic which gave highly improved RMSE score
Education
High School Diploma -
Modern English Academy
Barrackpore 06.2012 - 05.2014
B.Tech - ECE
Heritage Institute of Technology
Kolkata 06.2014 - 07.2018
As Network - undefined
Bharti Airtel
05.2017 - 04.2017
Skills
MS Excelundefined
Certification
Intermediate Machine Learning Course from Kaggle
Accomplishments
Obrained 498 rank in 30 days ML challenge in Kaggle
FastAI alumni , created various ImageClassifier ,Detection models
Interests
498 rank in Kaggle #) days challenge
30 days challenge in Kaggle with 10000 participants in teams or individuals.Obtained 498 rank by using a multiple models together(bagging) especiallly XGboost.
Timeline
Healthcare Data Analyst
Research Works
02.2022 - 05.2023
Business Analyst
Marico Ltd
02.2021 - 02.2022
Business Analyst
WNS Global
02.2019 - 10.2020
As Network - undefined
Bharti Airtel
05.2017 - 04.2017
B.Tech - ECE
Heritage Institute of Technology
06.2014 - 07.2018
High School Diploma -
Modern English Academy
06.2012 - 05.2014
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