Ramakrishna Reddy Vaka

• Working on new proposals by understanding client requirements and recommending the most suitable GCP-based solutions, aligned with business needs.
• Creating cloud foundation setups for new GCP clients, and enabling secure, scalable application deployments.
• Analyzing existing GCP environments and delivering cost-effective and performance-optimized architecture improvements.
• Leading GCP project teams and providing end-to-end technical guidance and cloud solution design.
• Managing and supporting core GCP platforms to ensure smooth, secure, and reliable deployments across teams.
• Collaborating with Business and Data Analytics teams to gather requirements and design the supporting technical stack.
• Working with key GCP services, including Compute Engine, Cloud Storage, IAM, BigQuery, Stackdriver, Pub/Sub, and Dataproc.
• Building GCE-based infrastructure for business applications, such as Tableau and Airflow.
• Developing CI/CD pipelines to deploy business processing jobs across DEV, QA, and PROD environments.
• Automating infrastructure provisioning using Terraform, GitHub, and Jenkins for consistent and repeatable deployments.
• Deploying and configuring analytics environments, including Tableau (runtime) and Airflow, for orchestrating Dataproc workflows with BigQuery and GCS.
• Automating VM lifecycle tasks (provisioning, patching, maintenance) using scripts to reduce manual effort and improve reliability.
• Troubleshooting issues related to build, deployment, jobs, and runtime failures, ensuring stability, and quick resolution.
• Implementing and configuring Stackdriver for monitoring, logging, alerting, and operational visibility of cloud resources.
• Ensuring adherence to enterprise security controls, operational risk standards, and cloud governance guidelines.
• Supporting non-functional testing activities, such as performance, resilience, and operational readiness validations.
• Mentoring team members on GCP best practices, automation approaches, IaC patterns, and DevOps processes.
• Driving continuous improvement by identifying opportunities for automation, cost optimization, and process enhancements.
• Communicating technical concepts clearly to cross-functional stakeholders, and delivering cloud solutions within Agile delivery models.

Environment: GCE, BigQuery, Dataproc, Cloud Storage, Cloud Pub/Sub, Cloud IAM, Stackdriver Monitoring.

• Analyzed Business Specification Documents (BSD) and Functional and Technical Specification Documents (FSD/TSD) to understand business requirements and data flow needs.
• Designed and implemented Informatica PowerCenter transformations for extracting, transforming, and loading data from diverse sources, including flat files and ODBC sources.
• Developed simple and complex Informatica mappings to implement business rules and load data into Data Warehouse environments.
• Extracted and transformed data from legacy systems, ensuring accurate and efficient loading into data warehouse target systems.
• Worked extensively with various Informatica transformations, such as Lookup (connected/unconnected), Update Strategy, Stored Procedure, Joiner, Filter, Aggregator, Rank, Router, Sequence Generator, Sorter, Expression, and Source Qualifier.
• Built mappings to load dimension and fact tables using STAR schema methodologies, including Type 1 and Type 2 SCD logic.
• Created reusable transformations, mapplets, mapping parameters, and mapping variables to optimize and standardize ETL processes.
• Extensively used SQL (joins, subqueries) to validate data, perform lookups, and support ETL logic.
• Monitored and managed Informatica workflows using PowerCenter Workflow Monitor; analyzed session logs for failed or aborted sessions, and resolved issues proactively.
• Created and configured sessions and workflows to maintain data consistency and integrity across target systems.
• Used the Informatica Debugger to troubleshoot and validate mappings before workflow execution.
• Performed comprehensive unit testing of sources, targets, mappings, sessions, and workflows.
• Prepared test plans, test designs, and manual test scripts; executed and validated test cases throughout the ETL cycle.

• Analyzed project requirements and participated in review discussions with the onsite team to clarify functional and technical needs.
• Contributed to the design phase by identifying system components and preparing detailed technical documentation.
• Participated in software requirement analysis to ensure alignment between business needs and technical solutions.
• Developed application modules using J2SDK, JSP, Servlets, and Struts 1.3.8, based on business requirements.
• Performed unit testing to validate functionality, fix issues, and ensure code quality.
• Utilized Oracle SQL to execute queries, update records, and support backend data operations.
• Participated in internal meetings to ensure high-quality delivery and adherence to coding and project standards.

Environment: J2SDK 1.5, JSP, Servlets, Struts 1.3.8, Oracle, Eclipse, Tomcat 5.5.