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debrajpaul/README.md

Hi there I'm Debraj Paul

Thanks for stopping by — here's a bit about me:


🌐 Building Platform-Scale Cloud Systems

I'm a Senior Platform / Backend Engineer with 10+ years of experience designing, building, and operating distributed backend systems across media, fintech, food-tech, and travel domains. My core expertise lies in cloud-native architectures, event-driven microservices, and platform engineering using Node.js, TypeScript, GraphQL, Kafka, and AWS. I have a strong track record of standardizing platform foundations, integrating complex ecosystems, and delivering high-availability systems with a focus on reliability, performance, and system ownership.


💼 Recent Work Highlights

  • 🧩 Motif Content Platform @ Warner Bros. Discovery

    • Owned and developed Node.js/TypeScript microservices serving global brands (Food Network, CNN, Eurosport, Magnolia, Golf Digest, MotorTrend).
    • Designed a loosely coupled microservices architecture, standardized REST/GraphQL APIs, and delivered a GraphQL-based Backend-for-Frontend (BFF).
    • Architected secure AWS-native infrastructure (Lambda, ECS, SNS/SQS) and integrated OneTrust for GDPR/CCPA compliance.
  • 🍽️ Swiggy Dineout

    • Designed and built a high-throughput event-driven integration platform connecting 10+ third-party POS systems with Kafka and Redis, reducing transaction latency by ~50%.
    • Developed segmentation and analytics pipelines using MongoDB and ElasticSearch, enabling real-time user targeting and supporting revenue-critical workflows.
    • Delivered enterprise microservices on AWS that contributed to a ~25% annual revenue increase.
  • 💸 FinTech Platform (P2P Lending)

    • Built an integrated P2P lending platform using Node.js/Express.js, MongoDB, and AWS.
    • Automated ~95% of credit processing workflows and implemented OCR and facial recognition for KYC.
    • Developed an NLP-based scoring engine to improve risk assessment and reduce processing time by ~50%.

🛠️ Core Skills & Certifications

  • Languages & Frameworks: TypeScript, Node.js, Java, Go, Express.js, GraphQL (Backend-for-Frontend), Spring Boot, Hibernate, Gin
  • Cloud & DevOps: AWS (Lambda, ECS, SQS, SNS, DynamoDB, RDS, S3), Docker, Jenkins, Infrastructure as Code (CDK/CloudFormation), CI/CD (GitHub Actions, CircleCI)
  • Architecture & Systems: Microservices, Event-Driven Architecture, Distributed Systems, Backend-for-Frontend (BFF), RESTful APIs, Test-Driven Development (TDD)
  • Messaging & Streaming: Apache Kafka, AWS Kinesis, Amazon SNS/SQS, gRPC
  • Databases: MongoDB, DynamoDB, PostgreSQL/MySQL, Redis, ElasticSearch
  • Observability & Reliability: Structured logging, OpenTelemetry, AWS CloudWatch monitoring and alerting
  • Compliance & Security: GDPR/CCPA, OneTrust integrations, secure data access and deletion
  • Testing: Jest, Sinon, Newman, Mocha-Chai, JUnit
  • Certifications:

🧠 What Drives Me

I love solving complex engineering problems, streamlining systems through automation, and helping teams build resilient platforms with future-proof architecture. Whether it’s crafting serverless APIs or deploying multi-region solutions — I care deeply about performance, scalability, and clean code.


📊 GitHub Stats


 


📬 Let’s Connect

If you're looking for someone who can bring cloud-native engineering and architectural insight to your team, feel free to connect!

Pinned Loading

  1. full-budget-app full-budget-app Public

    A modular, scalable microservice architecture for managing transactions, budgets, and reviews on AWS. The platform ingests statements, enriches transactions, and serves a tenant-aware GraphQL API.

    TypeScript

  2. property_registration_system property_registration_system Public

    Blockchain is an immutable distributed ledger that is shared with everyone present on a network. Each participant interacts with the blockchain using a public–private cryptographic key combination.…

    Shell

  3. email-engine-core email-engine-core Public

    core system for an email client with essential functionalities. This system will connect with user email accounts (initially focusing on Outlook) and manage email data efficiently.

    TypeScript

  4. debrajpaul.github.io debrajpaul.github.io Public

    CSS

  5. serverless-cake-ordering-system- serverless-cake-ordering-system- Public

    JavaScript 4 1

  6. express-typeScript-boilerplate express-typeScript-boilerplate Public

    TypeScript 3