Sanjay Kumar

Data Engineer

REA Group•  January 2020 - Present

• Develop and Maintain ETL pipelines using Breeze, Apache Airflow, and BigQuery • Develop Infrastructure as Code using AWS Cloudformation and Terraform • Develop On-Demand ingestion pipelines using s3, SQS and Lambda. • Develop custom Breeze operators to be used in ETL pipelines using Python • Build and maintain SSIS packages and SSRS reports on Microsoft SQL Servers for data processing • Data Visualisations for dashboards using D3.js and Tableau • Agile development methodology, code versioning using Git, and issue tracking with Trello and Github

Data Engineer

Locally•  June 2018 - June 2019

Built and automated Data Ingestion pipelines for an advertisement-based Data Analytics startup in Melbourne. Data unification from multiple sources in Big Query, Points of Interest spatial resolution using Apache Tez and Presto DB and real-time fast counts generated to display in Dashboard using Verdict DB. Increased the data efficiency of the firm by 25%.

Software Engineer

Cerner Corporation•  January 2016 - January 2018

Primarily worked on C#(for front-end development), CPP(server side development) and CCL for the database. Taking ownership of the tasks at hand. Root Cause Analysis of the client reported issues and providing a fix for the same. Analysis and implementation of various enhancements. Document the design (includes issue, analysis and implementation level details) along with the test cases to be considered. UI Automation of the existing suite of products using White Framework in C# so as to ease out the burden of performing some operations on a regular basis. Followed an agile development process which included planning out the sprint of 4 weeks, attending daily scrum meetings, and regular code reviews.