Sandesh Shingare

• Transformed Dream11's data acquisition system, migrating from Spring Boot to Vert.x, achieving 300 million Clickstream events per minute with 30% less infra, resulting in a 30% daily cost reduction.
• Engineered an in-house Customer Data Platform, eliminating Google Analytics and Segment, saving millions in subscription costs.
• Developed Concord, a Clickstream events standardization platform, enhancing onboarding efficiency and event flow control.
• Architected Streamverse, a central streaming ecosystem (Go CLI, Java/Vert.x/Flink/Python SDKs), enabling seamless data streams creation, storage, retrieval, and management with robust RBAC.
• Successfully transitioned from Apache Kafka to Apache Pulsar, demonstrating superior performance, features, and cost benefits.
• Implemented batch jobs (Spark/Iceberg/Hudi) for large data processing with ACID compliance.
• Implemented Apache Flink streaming jobs for diverse sources/destinations - Kafka, AWS S3, Redshift, and RDS.
• Designed optimized data models and SQL queries for efficient data retrieval and storage (OLAP/OLTP).
• Led complex ETLs on Apache Airflow dags for scheduled data processing.
• Initiated interviews, onboarding, and mentored team members on Dream11's tech ecosystem and practices.
• Conducted technical brown bag sessions on Streamverse, Funnels, and Concord.
• Led Data Engineering fun committee, planning and executing engaging team activities.

Tech Stack: Java, RxJava, Vert.x, Python, Scala, Go, Spark, Flink, Kafka, Pulsar, Hudi, Delta Lake, Iceberg, Trino, AWS, Docker, Terraform, Ansible.

• Led the revamp of Zycus's core product, iSource, driving innovation and improvement.
• Conducted a comprehensive analysis of the existing iSource product, documenting key functionalities and features.
• Provided guidance to onshore and offshore design and development teams, ensuring alignment with functional and non-functional requirements of the revamped product.
• Established an automation test suite from the ground up using Katalon Studio and Jmeter (Java), covering both functional and non-functional aspects of the product.
• Designed and executed SQL queries for inserting and ingesting application and test data, contributing to data integrity and application performance.
• Developed a Java application for automating test data preparation, enhancing efficiency and accuracy in testing processes.
• Successfully deployed software changes to UAT and Production environments, ensuring seamless integration.

Tech Stack: Java, SQL, Jmeter, Katalon Studio

• Collaborated closely with development and design teams, employing Agile methodologies to understand, analyze, and deliver client requirements.
• Designed and implemented an automation test suite using Selenium WebDriver (Java) for both new functional and regression test cases.
• Executed SQL queries on MySQL databases for efficient setup and validation of application data.
• Developed custom tools in Java for automating test data creation, enhancing testing efficiency.
• Designed and documented comprehensive test cases covering positive and negative scenarios to ensure thorough testing of application components.
• Conducted API testing to validate API contracts for various application components.
• Conducted onboarding sessions for peers, introducing a self-developed test preparation tool that was later adopted at the project level.
• Recognized with the "Accenture Apex Extra Miler Award" for outstanding contributions to Automation and Innovation.
• Received the "British Telecom All Rounder Award" for excellence in Automation, Innovation, and Engagement.

Tech Stack: Java, SQL, VBA, REST API, XML