Ganga Maru
Tega Cay,SC
Summary
- AWS Data Engineering Lead with strong experience leading high-performing teams in building scalable cloud data platforms and enterprise-grade ETL/ELT solutions.
- Deep expertise in AWS services EMR, Glue, Lambda, Redshift, S3, API Gateway, Postgres and strong hands-on development using PySpark and Python.
- Additional experience with Azure cloud services for data engineering, integration, and analytics workloads.
- Proven leadership in the utility business domain, driving modernization, data lake architecture, and large-scale cloud transformation initiatives.
- Strong analytical and problem-solving skills, with a focus on developing efficient and scalable applications..
- Ability to communicate technical concepts effectively with both technical and non-technical stakeholders.
- Led a team in successfully migrating a legacy application to the AWS , resulting in reduced maintenance costs and increased scalability.
- Known for mentoring engineers, promoting engineering best practices, and continuously learning new technologies to improve system performance and organizational efficiency.
Overview
15
15
years of professional experience
Work History
Application Developer SME
Duke Energy
Charlotte, NC
10.2013 - Current
- Led a team of data engineers in designing and delivering cloud-based data solutions for utility substations and operational systems.
- Architected and implemented AWS services including EMR, Glue, Lambda, S3, Redshift, and API Gateway for scalable ETL/ELT pipelines.
- Built and optimized Python, .NET, and SQL-based data workflows for batch and real-time processing.
- Designed and maintained data lakes and warehouses supporting substation analytics, reporting, and operational intelligence.
- Designed and implemented ETL processes using PySpark and Spark SQL to transform and load data from various sources into data lakes or data warehouses.
- Implemented CI/CD pipelines using GitHub Actions, Concourse pipelines and automated infrastructure provisioning with Terraform.
- Ensured data quality, security, and governance, while mentoring engineers and enforcing best practices.
- Collaborated with cross-functional teams to deliver end-to-end cloud solutions and drive technology adoption in utility operations.
- Acted as Scrum Master, facilitating sprint planning, daily stand-ups, retrospectives, and backlog grooming to ensure timely delivery of data engineering projects.
- Maintained and managed Jira boards, tracking tasks, dependencies, and team progress while improving workflow efficiency and team collaboration.
.NET Developer
Norfolk Southern
Atlanta, GA
08.2011 - 09.2013
- Responsible for developing WCF Services to exchange data between Web Application and Central Application and consumed WCF service, which is based on SOA (Service Oriented Architecture)
- Created a rich Web application using ASP.NET MVC 3.0 with Razor as View Engine
- Implemented Models, Views, Controllers using MVC design pattern
- Used JQuery accordion, auto complete, multi select, date picker, JQ Grid and for the client-side validations
- And implemented jQuery Ajax to connect to the Controllers
- Implemented Generics for creating object collections and extensively implemented for maintaining type safety so that run time errors are reduced
- Implemented Query Expressions, Expression Trees to get the data from DB2 using LINQ to SQL
- Created separate Windows Services to extract messages from the Queue Managers and updates the database continuously for the train movement updates
- Experienced in Software Configuration Management, creating work items (Tasks), associate work items, setting up company Version policies utilizing TFS (Team Foundation Server)
.NET Developer
Unilever United States Inc.
Englewood Cliffs, NJ
11.2010 - 07.2011
- Proficient in developing web applications using ASP.NET and jQuery.
- Strong understanding of the ASP.NET architecture and the Model-View-Controller (MVC) design pattern.
- Experience with jQuery for DOM manipulation, event handling, and AJAX calls.
- Knowledge of front-end technologies such as HTML, CSS, and JavaScript.
- Experience with server-side programming in C# and .NET Framework.
- Familiarity with databases and SQL, and ability to write efficient queries.
- Strong problem-solving skills and ability to debug complex issues.
- Passion for learning new technologies and staying up-to-date with industry trends.
Education
Master of Science - Electrical Engineering
SUNY (State University of New York)
New Paltz, NY05.2010
Bachelor of Science - Electrical, Electronics and Communications Engineering
Jawaharlal Nehru Technological University
Hyderabad05.2007
Skills
- AWS Services: Lambda, EMR, Redshift, Postgres, S3, EC2, Cloud Front, EKS, Docker, Cloud watch
- Azure Data bricks, App service, Function apps, Key Vault, Service Bus, Azure Storage, App Service, Application Insights
- Net Framework , Net Core, Net Standard, Net 80
- C#, NET, jQuery, Angular, Python, Java, GraphQL
- WEB API, API Gateways, Apigee
- Jenkins, IIS, CICD, Concourse, Github Actions
- SQL, PL/SQL, DB2, Aurora, Redshift
- GIT, Bit Bucket, TFS
- Architecture, Design and Business Solutions
Timeline
Application Developer SME
Duke Energy
10.2013 - Current
.NET Developer
Norfolk Southern
08.2011 - 09.2013
.NET Developer
Unilever United States Inc.
11.2010 - 07.2011
Master of Science - Electrical Engineering
SUNY (State University of New York)
Bachelor of Science - Electrical, Electronics and Communications Engineering
Jawaharlal Nehru Technological University