Sravan Kumar

SRAVAN KUMAR Lead Data Engineer | GenAI & Databricks Architect Location: Remote (Global / US-Timezone Compatible) [LinkedIn] | [GitHub] PROFESSIONAL SUMMARY Strategic Lead Data Engineer with 13+ years of experience architecting high-performance data platforms and Generative AI systems. Subject Matter Expert in Databricks (Delta Lake, Unity Catalog, DLT) and Apache Spark performance tuning. Proven track record of reducing operational costs by up to 30% through optimized ETL/ELT pipelines and Agentic AI frameworks using LangGraph and RAG. Expert in leading cross-functional teams for US-based Fortune 500 clients, delivering scalable technical solutions in remote-first environments. TECHNICAL SKILLS ● ● ● ● Data Engineering: Apache Spark (Batch/Streaming), Databricks (DLT, Unity Catalog), Delta Lake, Kafka, Snowflake, Hadoop, dbt, Airflow. AI & Machine Learning: Generative AI, LangChain, LangGraph, RAG, Agentic AI, LLM Integration, Vector Databases (Pinecone/Milvus). Programming & Frameworks: Python (Advanced), Scala, SQL, Java, Spring Boot, FastAPI, Pydantic. Cloud & DevOps: Azure Databricks, AWS, CI/CD Pipelines, Git, Docker, PostgreSQL. PROFESSIONAL EXPERIENCE Senior Technical Lead | Nisum Consulting Private Limited Feb 2021 – Present ● ● ● ● ● Cloud Architecture & Migration: Engineered the migration of on-premise data environments to Azure Databricks for a US retail giant, achieving zero-downtime and reducing total cost of ownership (TCO) by 20%. Real-time Intelligence: Architected real-time streaming pipelines using PySpark Structured Streaming and Kafka, delivering low-latency insights for datasets exceeding 10TB+. Generative AI Orchestration: Integrated LLMs into production workflows using Python and LangGraph, automating intelligent document analysis and reducing manual processing time by 50%. Governance & Monitoring: Standardized data governance across the Databricks Lakehouse, implementing automated data masking and lineage to ensure 100% compliance with security audits. Strategic Leadership: Managed a team of 10+ engineers; implemented Python coding standards and CI/CD practices that improved deployment frequency by 35%. Lead Software Engineer | OpenText Sep 2016 – Jan 2021 ● ● ● ● High-Scale Backend Systems: Designed data-intensive microservices using Apache Spark and Scala, supporting a user base of 1M+ active users. Performance Optimization: Tuned Spark jobs via custom partitioning and query optimization, reducing nightly batch processing windows from 8 hours to 3 hours. Event-Driven Architecture: Built robust data ingestion workflows using Kafka Streams, enabling real-time synchronization between disparate microservices. API Design: Developed high-concurrency RESTful APIs using Spring Boot, maintaining 99.9% uptime for mission-critical data services. Senior Software Engineer | Pramati Technologies Limited Jan 2013 – Aug 2016 ● ● Implemented high-availability solutions for Java-based applications, ensuring fault tolerance across distributed systems. Led the deployment of critical feature releases, reducing post-release bug reports by 15% through rigorous automated testing. EDUCATION Bachelor of Engineering in Computer Science NIT Nagpur | 2006 – 2010 ADDITIONAL INFORMATION ● Remote Work Expertise: Extensive experience collaborating with US-based stakeholders (PST/EST) and managing cross-shore project delivery.