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ujjawalsinghsde/Readme.md

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Hi πŸ‘‹, I'm Ujjawal Singh

Senior Software Engineer | Data Engineering β€’ Backend Systems β€’ GenAI

LinkedIn LeetCode GeeksforGeeks

I'm a Senior Software Engineer at Impetus Technologies, working on large-scale data engineering and cloud data platforms. My experience spans Data Engineering, Backend Development, Distributed Systems, and Generative AI.

I build and optimize data pipelines, streaming systems, scalable backend services, and AI-powered applications using modern cloud-native technologies.

  • πŸ”­ Currently working on: Redshift-to-Databricks migration and streaming pipeline optimization.
  • ⚑ Core expertise: PySpark, Spark Structured Streaming, Databricks, Delta Lake, AWS, Java, and Python.
  • πŸ€– Exploring: Agentic AI, RAG, LangChain, and LLM-powered applications.
  • πŸ† Certification: Databricks Certified Data Engineer Associate.
  • πŸ’‘ Engineering interests: System Design, Data Architecture, Performance Optimization, and Distributed Systems.

πŸ› οΈ Technical Skills

Data Engineering & Processing

PySpark Apache Spark Databricks Delta Lake Apache Airflow Kafka

Cloud & Data Platforms

AWS Amazon S3 Amazon Redshift AWS Lambda AWS Step Functions Unity Catalog

Backend & Databases

Python Java Spring Boot Django PostgreSQL MongoDB Redis gRPC

Generative AI & Engineering Tools

LangChain RAG Agentic AI Docker Git Linux

🀝 Connect With Me

I'm interested in Data Engineering, Backend Engineering, Distributed Systems, Cloud Architecture, and Generative AI.

GitHub β€’ LinkedIn β€’ Instagram

Always learning. Always building. Engineering for scale.

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  1. data-engineering data-engineering Public

    This repository contains notes, examples, assignments, and projects for learning data engineering with Apache Spark and PySpark.

    2

  2. documind-ai-research-assistant documind-ai-research-assistant Public

    AI assistant that searches PDFs and the web to provide simple, reliable, source-based answers.

    Python

  3. User-Management-System User-Management-System Public

    Developed microservices including user-service, auth-service, notification-service, OTP-service, password-service, and API Gateway. Managed user registration, JWT-based authentication, OTP verifica…

    Java 1 1