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rajvir1602/README.md

Rajvir Singh

Software Engineer | Backend & Distributed Systems
MS Computer Science – University at Buffalo

📫 Email: rajvirsinghfeb16@gmail.com
🔗 LinkedIn: https://www.linkedin.com/in/rajvir13
🌐 Portfolio: https://rajvir1602.github.io

About Me

Backend-focused software engineer with 2+ years of production experience building scalable microservices, distributed systems, and full-stack applications.

At Fastr and Cvent, I engineered Java/Clojure-based services serving 50k+ users, improved analytics performance by 35%, reduced production outages by 40%, and automated CI/CD pipelines to accelerate release cycles.

Currently focused on distributed data systems, high-performance backend design, and scalable infrastructure.

Experience

Role Company Highlights
Software Engineer Fastr Built full-stack dashboards (ClojureScript + gRPC/SQL), improved analytics speed 35%, reduced outages 40%, automated CI/CD
Software Engineer Cvent India Developed React + Next.js interfaces, built Java Dropwizard services for 50k+ users, optimized backend queries 40%

Tech Stack

Languages
Java • Python • TypeScript • JavaScript • Clojure • C++

Backend & APIs
Spring Boot • Dropwizard • REST • GraphQL • gRPC

Distributed & Data
Apache Spark • Hadoop (HDFS) • Microservices • Distributed Systems

Cloud & DevOps
AWS • Docker • CI/CD (GitHub Actions, Jenkins) • Linux

Observability
Grafana • Kibana • Structured Logging

AI / ML Exposure
LangChain • LangGraph • PySpark ML • Keras

Featured Projects

Project Description Tech
Financial Analytics Pipeline Distributed Spark-based pipeline for equities time-series modeling, anomaly detection, and volatility prediction Hadoop, Spark, PySpark, Docker, ML
Symbolic Music Generation Sequence modeling pipeline generating MIDI melodies from 18k datasets Python, Keras
LULC Classification Geo-spatial ML classification of satellite imagery using remote sensing indices Google Earth Engine, Random Forest, SVM

Currently Learning

  • Advanced Distributed Systems
  • Database Internals
  • System Design at Scale

Pinned Loading

  1. Scalable-Financial-Analytics-Pipeline-Hadoop-Spark Scalable-Financial-Analytics-Pipeline-Hadoop-Spark Public

    Jupyter Notebook

  2. Symbolic-Music-Generation-using-Neural-Networks Symbolic-Music-Generation-using-Neural-Networks Public

    Jupyter Notebook

  3. Receipe-finder-web-application Receipe-finder-web-application Public

    React-based single-page application enabling real-time recipe search and filtering via external REST APIs. Implements asynchronous data fetching, pagination, and controlled state management using R…

    JavaScript

  4. Land-Use-Land-Cover-LULC-Classification-using-Google-Earth-Engine Land-Use-Land-Cover-LULC-Classification-using-Google-Earth-Engine Public