Rehan Uddin Email and Phone Number

• Responsible for Gathering, Documenting, and Analyzing business and technical requirements to improve system capabilities and to automate process flows. • Worked very closely with product owners, project managers and vendors to satisfy all the business needs. • Created requirements & boundary conditions for defining user personas and created end-user segmentation to ensure requested data is shared to respective teams.• Cloud deployed SaaS models using AWS – Lambda Functions, DynamoDB and securing it using KMS keys.• Creating new Service Catalog requests and items with variables.• Search, populate, and customize the Knowledge base.• Developed Python scripts to parse XML & JSON files to load the data onto SQL & AWS Dynamo DB databases.• All projects adhered to agile principles to deliver commitments, meet acceptance criteria, and ensure fast releases.• Debugging the failure of regularly occurring issues by capturing log dumps using Python scripts, traces and performing several experiments by interacting with the design team using fishbone diagram.• Used Restful web service calls for the validation. Designed and developed webpage using HTML.• Worked with complicated List comprehensions and various built-in functions like map, filter etc.• Worked on Python Modules and Packages.• Resolved performance related issues using efficient coding practices securely.• Optimized SQL query through best practices for quick response time, reduced from 2 hours to 34 min.• Worked on Bug fixes for python code on AWS Lambda function.• Manage collaborate and coordinate the work of an offshore development team.

• Implemented business logic using Python 2.7. Worked with HR team to reduce attrition rate.• Data Model Creation based on requirements using python and basics of excel.• Created a Git repository and added the project to GitHub.• ETL (Extract, Transform and Load) data using Informatica integrated with SQL and Oracle Database.• Collect, transform, move, store, aggregate and optimize data using Informatica – ETL.• Optimized Informatica mappings by filtering the data at source and time taken to run by 30%.• Created Cron jobs to trigger Informatica Jobs that trigger Shell scripts on old servers.• Worked on Python OpenStack APIs and used NumPy for Numerical analysis.• Deployed AWS Lambda functions that use Dynamo DB and KMS keys for encryption/decryption.• Install and configuring monitoring scripts for AWS EC2 instances to improve cost of maintaining infra.• Managed large datasets using Pandas data frames and MySQL.• Handled the client-side validation using JavaScript.

• Interacted with the Business Team to understand the requirements and prepared technical documents for implementing the solutions as per Business needs.• Worked with multiple teams to analyze data from various SQL databases and different Microsoft excel data sheets to generate monthly and quarterly business insights.• Designed a model identify peak months and days of products and minimum stock required to avoid out of stock for product thereby increasing product availability and company sales by 4.2%• Improved the accuracy of predicted prices using data using multiple Python and excel models.• Coordinated a team of 16 customer sales representatives working on 5 different projects across 3 locations to gather and sanitize data.• Used data mining to extract information from data sets and identified correlations and patterns across data sets from both SQL Database and excel data sheets.• Conducted market analysis and prepared presentations for business leaders.• Performed analysis of C++ code to figure out the business logic and prepared documentation for future users.

Responsibilities:• Aggregated data across various stores, cleansed, organized, and analyzed customer purchase history.• Performed various reviews on Excel to identify areas for improvement across 15 parameters and variables impacting sale of products.• Built an excel model to predict customer genre who would buy and accept our current services.• Worked with the customer success team to understand feedback on different products to improve customer satisfaction and reduce issues with services.• Formulated and designed software using C++ for multiple versions of Windows operation systems.• Increased the productivity of the business users by reducing the time to generate reports to click of a button and doesn’t require any installation of any software.Environment: C, C++, Windows, Microsoft Excel, Microsoft Word.