RajLaskar10 (Raj L) · GitHub
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Achievements

Achievement: Pair ExtraordinaireAchievement: Pull Sharkx2Achievement: YOLO

Achievements

Achievement: Pair ExtraordinaireAchievement: Pull Sharkx2Achievement: YOLO

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RajLaskar10/README.md

Hi there, I'm Raj Laskar! 👋

I'm an MS in Computer Science graduate from Northeastern University, Boston. With a consultant's mindset, I focus on solving complex business challenges through strategic thinking and scalable solutions-where code is a tool, not the goal. My approach is driven by outcomes, ensuring that every solution aligns with broader business objectives.

🛠️ Skills

Programming

Python Java SQL R

Tools

AWS Azure Docker Jenkins React

🚀 Featured Projects

  • Cloud Media Pipeline: Serverless, event-driven media pipeline on AWS. A React + Vite frontend uploads images directly to S3 via pre-signed URLs; S3 events trigger a Python Lambda that runs FFmpeg (via Lambda Layer) to encode an H.264 .mp4, which is served globally through CloudFront. Built entirely within the AWS Free Tier using API Gateway, two isolated S3 buckets, and a 1 GB / 300 s Lambda configuration tuned for FFmpeg throughput.

  • Compliance-Aware Marketplace: Full-stack app (React, Express, PostgreSQL, AWS) with KYC verification, real-time transaction flagging (HIGH_VALUE, VELOCITY, SAME_IP, NEW_ACCOUNT rules), append-only audit logging, and admin review queue. Deployed on EC2, RDS, S3, and CloudFront.

  • Fraud Detection Pipeline: End-to-end ML pipeline on the Kaggle Credit Card dataset using Random Forest with threshold tuning. Results persisted in Supabase and surfaced via a live Streamlit dashboard for compliance analyst review.

  • Sports Analytics Dashboard: Football analytics pipeline for the 2018 FIFA World Cup. StatsBomb event data processed and loaded into Supabase, visualized through an interactive Streamlit dashboard.

  • Football Analytica: Computer vision pipeline using YOLOv8 for player/ball detection, jersey-color K-means clustering, optical flow compensation, and perspective transformation to produce real-world metrics (possession, speed, distance).

  • Rate Limiter: Redis-backed rate limiting API using the token bucket algorithm. allows bursts, enforces steady-state limits, and returns retry-after when blocked. Built with FastAPI, deployed on AWS EC2, visualized with a live Streamlit dashboard, and load tested with Locust at ~300 RPS across 100 concurrent users.

  • Contracker: Web app for managing contracts and supplier relationships with renewal alerts, spend tracking, and compliance monitoring.

💼 Experience

  • Consultant, EY: Developed AI-powered automation tools optimizing legal workflows and reducing costs.
  • Workflow Architect, EY: Designed end-to-end workflows and scalable cloud solutions for vendor operations.

📫 Let's Connect

🎯 "Business first, code second-solutions that deliver impact."

GitHub Stats Profile Views

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  1. compliance-marketplace compliance-marketplace Public

    Compliance-aware marketplace with KYC verification, transaction flagging (HIGH_VALUE, VELOCITY, SAME_IP, NEW_ACCOUNT), and an admin audit trail. Built with React, Express, PostgreSQL, and AWS (EC2 …

    JavaScript

  2. cloud-media-pipeline cloud-media-pipeline Public

    Serverless AWS pipeline that converts JPEG images to MP4 video. React frontend uploads to S3, Lambda + FFmpeg processes, CloudFront delivers. Event-driven, no servers.

    JavaScript

  3. fraud-detection-pipeline fraud-detection-pipeline Public

    End-to-end fraud detection pipeline on the Kaggle Credit Card dataset. Random Forest with threshold tuning, Supabase storage, and a live Streamlit dashboard for compliance analyst review.

    Python

  4. rate-limiter rate-limiter Public

    Middleware service that controls API request rates per client using the token bucket algorithm-allows bursts, enforces steady-state limits, and returns retry-after when blocked. Redis-backed, built…

    Python

  5. Football-Analytica Football-Analytica Public

    Football Analytica turns raw match footage into actionable insights. Using YOLOv8 for detection and tracking, jersey-color clustering, optical flow, and perspective transforms, it outputs real-wor…

    Jupyter Notebook 1

  6. CS-7180/Contracker CS-7180/Contracker Public

    A web app for managing contracts and supplier relationships with renewal alerts, spend tracking, and compliance monitoring.

    TypeScript 2 1