Hamad Nasir Email & Phone Number

Implemented ETL Jobs and Transformations using Pentaho Data Integration for data loading, cleansing, and moving to target tables from different sources.Conducted Data Wrangling and Change Data Capture processes.Developed end-to-end ETL pipelines, extracting data from diverse sources, performing Data Merging, Cleansing, Validation, Email Notifications, and Error Handling.Scheduled ETL jobs efficiently using a Custom-built scheduler in Pentaho.Provided support and optimization for running ETL processes, ensuring smooth operations.Collaborated with the customer's technical team to gather technical requirements, ensuring performance, maintainability, and scalability.Produced design documentation for clear project understanding.Managed approval and acceptance process for designs and implementation in cooperation with clients.Resolved maintenance issues and performed bug fixes, closely monitoring daily scheduled jobs and optimizing transformations and jobs for better performance.Interacted cross-functionally with non-technical departments, conveying complex messages in a clear and understandable manner for effective collaborations.Currently focused on migrating existing data pipelines architecture to AWS Serverless using AWS Lambda, S3, Athena, Redshift, CloudWatch, SQS services, and AWS Glue.

Lahore, Punjab, Pakistan

Proficient in end-to-end SDLC and agile testing methodologies.Collaborated with various product teams, including Web/API, Batch, OLTP and Business Intelligence (BI).Developed detailed test cases and conducted unit, integration, system, and regression testing.Performed smoke, sanity, and reactive testing on different products.Conducted load and stress testing using JMeter and in-depth profiling of critical applications using JProfiler.Executed SQL queries during the testing of diverse products.Conducted testing on PowerBI.Logged and monitored defects and change requests using the JIRA tool.Specialized in ETL Testing, ensuring seamless data transition from source databases to data warehouses (DWH) and from Excel files to DWH on various projects.Conducted User Acceptance Testing (UAT) with International Clients and Internal teams, communicating issues promptly to the development teams for resolution.

Lahore, Punjab, Pakistan

Performed In-depth troubleshooting to identify the root cause by eliminating step-by-step possible root causes of the reported incident /issue.Provided technical guidance to other technical support staff.Followed standard procedures for proper escalation of unresolved issues to the appropriate internal teams.Coordinated and discussed technical issues with development and T3 teams.Maintained overall ownership of client's issues and services, ensuring that they receive resolution within a committed SLA.Performed comprehensive root cause analysis and advise how to avoid such incidents in the future.Research, diagnose, troubleshoot and identify solutions to resolve customer issues.Documented knowledge in the form of knowledge base tech notes and articles.Provided basic/intermediate level analysis of SIP call flows, including problem isolation and resolution.Created structured testing/replication methodology and summary finding reports to support issue resolution.

Lahore, Punjab, Pakistan

Implemented Customizations for core banking modules.Developed new screens and functionalities for core banking modules.Tested implemented functionalities and fixed the issues.Wrote Design Documents and Maintenance documents for customizations.

Pakistan

I did freelancing for over a year, I provided my clients with quality services related to programming problems, content writing, research work, web development, virtual assistant, data entry work and much more.

Islamabad, Pakistan

I have done an Internship in ASR Speech Recognition with the ultimate goal to develop an ASR Speech Recognition System for local Regional Languages of Pakistan.

Islamabad

Worked in designing and developing the front end of the website. Wrote quality content on latest topics related to tech, gadgets, gaming, entertainment and sciences.