Data Analyst Resume
Newark, NJ
SUMMARY
- 4+ years of experience in Data Analysis, Machine Learning, Data mining with large datasets of Structured and Unstructured data.
- Strong skills in Machine Learning algorithms such as Linear Regression, Logistic Regression, Naive Bayes, Decision Tree, Random Forest, Support Vector Machine, K - Nearest-Neighbors, K-means Clustering, Neural networks, Ensemble Methods using Python Pandas, NumPy and scikit-learn.
- Proficient in Predictive Modeling, ANOVA, Hypothetical testing, A/B testing and advanced statistical techniques.
- Knowledge in SQL database servers, MySQL, Denodo Database Systems.
- Worked on web scrapping tools like Scrapy and Beautiful Soup in python to extract data form websites.
- Experience in R, using libraries like Stringr, tidyr,dplyr, ggplot2, data.table with R Studio
- Experience in visualization tools like Tableau, Looker and Plotly for web apps, matplotlib and seaborn in Pandas.
TECHNICAL SKILLS
- SQL
- C Programming
- Java
- HTML
- Visual Basic Scripting
- R
- Python
- MS Excel 2016
- Looker
- MS Office 2016
- MySQL
- Oracle SQL
- SDLC
- Agile
- JIRA
- HP Quality Center
- Power BI
PROFESSIONAL EXPERIENCE
Data Analyst
Confidential, Newark, NJ
Responsibilities:
- Gather data using SQL queries to interpret datasets for decision-making on a daily, weekly, monthly, quarterly and annual basis.
- Provide data analyses and coordinate teh development of reports for teh Engineering Department for continual operational improvements
- Use MS Excel's various functions such as Pivot tables, VLOOKUP, Concatenate, transpose, etc. to perform extensive data manipulation on teh raw data, helped in a better, clean dataset to work with.
- Perform Data cleaning, Data analysis using R and Data visualization using Looker, helped in improving effective decision making.
- Develop dashboards in Looker to visualize teh suspicious patterns/activities in real time for business users.
- Implement topic modeling using LDA to predict teh product category of feedback and detect specific issues in each category by analyzing teh feedback collected from customer service.
- Perform sentiment analysis on customer feedback after every release.
- Create and presented executive dashboards and scorecards to show teh trends in teh data using Excel and VBA-Macros.
- Work on multiple datasets alone from data cleaning to data visualization.
- Create and maintain rich interactive visualizations through data interpretation and analysis integrating various reporting components from multiple data sources
Environment: MySQL, Hyperion, Looker, Oasis, JIRA, Microsoft Office Suit (Word, Excel, PowerPoint, Outlook)
Financial Data Analyst
Confidential, Newark, NJ
Responsibilities:
- Gather data using SQL queries to interpret datasets for decision-making on a daily, weekly, monthly, quarterly and annual basis.
- Provide data analyses and coordinate teh development of reports for teh Engineering Department for continual operational improvements
- Provide feedback directly to supervisors, managers, directors and VP concerning daily, weekly and monthly department performance metrics
- Oversee development and maintenance of data repositories, ensure successful data gathering, and validating teh accuracy of teh data prior to publication of reports
- Research and implement methods to streamline and automate manual processes
- In corporate technical skills to fulfill duties associated with financial analytics
- Financial / Data liaison between Finance team and technical team
- Experienced with handling and incorporating multiple billing systems and datasets for statistical analyses
- Generate complex reports and metrics for research and analysis from different aspects of teh business for company growth
- Adept at analyzing and modeling business process, requirements gathering and expectation management
- Perform and generate teh monthly GPM analysis report from teh Hyperion/Looker BI Tools
- Create dashboards on Looker to identify KPIs in specific regions
- Participate in Sprint meeting with Scrum team to discuss about teh latest development in product
Environment: MySQL, Hyperion, Looker, Oasis, JIRA, Microsoft Office Suit (Word, Excel, PowerPoint, Outlook)
Jr. Data Scientist
Confidential, Washington, DC
Responsibilities:
- Participate in Sprint meeting with Scrum team to discuss about teh latest development in product
- Participated in all phases of data acquisition, data cleaning, developing models, validation, and visualization using python Pandas, NumPy, Scikit-learn, R to deliver data science solutions.
- Develop models to accurately detect instances of fraud for further action using Logistic Regression, Decision Trees, Random Forest and Neural networks provided by Scikit-learn in python.
- Designed and implemented Cross-validation and statistical tests including k-fold, stratified k-fold, hold-out scheme to test and verify teh models' significance.
- Design built and deployed a set of python modelling APIs for customer analytics, which integrate multiple machine learning techniques for various user behavior prediction and support multiple marketing segmentation programs
- Validated teh machine learning classifiers using ROC Curves and Lift Charts.
- Segmented teh customers based on demographics using K-means Clustering
- Explored different regression and ensemble models in machine learning to perform forecasting
- Presented Dashboards to Higher Management for more Insights using Power BI
- Used classification techniques including Random Forest and Logistic Regression to quantify teh likelihood of each user referring
- Performed Boosting method on predicted model for teh improve efficiency of teh model
- Designed and implemented end-to-end systems for Data Analytics and Automation, integrating custom, visualization tools using R, Tableau and Power BI
- Collaborating with teh project managers and business owners to understand their organizational processes and help design teh necessary reports
- Articulating business questions and using mathematical techniques to arrive at an answer using available data.
Environment: Python, R, Tableau Desktop, Power BI, Microsoft Office Suite (Word, Excel, PowerPoint).
Research Assistant
Confidential
Responsibilities:
- Articulating business questions and using mathematical techniques to arrive at an answer using available data.
- Conducted 1 noledge sharing sessions per quarter to capture “lessons learned” and streamline teh product improvement process.
- Collected monthly data of customer behaviors on securities trading application and analyzed page conversion rate by drawing Sankey diagram using Tableau.
- Made optimization on page priority and button layouts. Improved application efficiency from 46% to 55%. Clustered customers into 10 groups based on purchase history data by K-Means using Python(scikit-learn). Helped department director filtrate 15% inactive customers
- Designed a customer-based recommendation system on securities trading application based on user browse and click history by Python.
- Collaborated with a team of 6 on reporting performance of teh app based on Power BI charts to department director
Data Analyst
Confidential
Responsibilities:
- Implemented SQL queries to get teh segmented data from teh database by cleaning and massaging teh data to create data dashboard views and designs
- Analyzed teh data in Tableau to develop teh business insights
- Handled challenging responsibilities in organizing and prioritizing tasks to work proactively
- Collaborate with teams and leaders across teh company to develop new strategies for decision-making
- Ensured delivery of project and adhere to agile methodology
- Generated teh weekly deviation reports check teh health of teh business
- Involved in teh entire System study, Analysis, Design and Support.
- Worked on data analysis by using SQL Developer and Excel.
- Wrote and executed SQL scripts, Stored Procedures to develop reports and perform data/report validation and execution.
- Designing, developing, testing, and maintaining Power BI reports and dashboards based on user requirements.
- Creating Tableau scorecards, dashboards using stack bars, bar graphs, scattered plots, geographical maps.
Environment: Tableau 8.0 Desktop, Power BI, Oracle8.0. SQL Developer, Microsoft Office Suite (Word, Excel, PowerPoint).