# Debraj Paul

**Technical Lead II — Backend / Platform Engineer**

Backend and platform technical lead with 11+ years designing, building, and operating distributed systems across media, fintech, food-tech, and travel. Deep hands-on expertise in Node.js/TypeScript, AWS-native architectures (Lambda, ECS, Glue, OpenSearch), Kafka-based event-driven pipelines, and GraphQL Backend-for-Frontend patterns. Architect of compliance-grade systems: GDPR/CCPA privacy-request orchestration across 6+ microservices, multi-brand async content moderation, and production-aware backfill data pipelines.

## Contact

- Email: debraj@debrajpaul.com
- WhatsApp: https://wa.me/919435221271
- GitHub: https://github.com/debrajpaul
- LinkedIn: https://www.linkedin.com/in/debraj-paul
- Site: https://debrajpaul.com
- Resume (PDF): https://debrajpaul.com/Debraj_Paul_CV.pdf

## Open to

Senior Staff / Principal Engineer · Technical Architect. Remote-first globally · Hybrid · Hybrid globally with employer-sponsored relocation. Comfortable across time zones.

Currently: In Dubai now — Job Seeker Visa. No sponsorship transfer needed.
See https://debrajpaul.com/dubai (markdown: https://debrajpaul.com/dubai.md).

## Highlights

- 11+ years building distributed backend systems (media, fintech, food-tech, travel)
- ~50% transaction-latency reduction — Swiggy Dineout POS event pipelines
- ~95% credit-workflow automation — PT Tujuh Asia P2P lending platform
- GDPR/CCPA orchestration across 6+ microservices via OneTrust

## Core stack

Node.js · TypeScript · AWS · Distributed Systems

## System design deep-dives

Full text of each is available as markdown at the `.md` URL — prefer those over the HTML pages.

- [Privacy / PII Request Orchestrator](https://debrajpaul.com/system-design/privacy-pii-orchestrator) — Compliance · GDPR Article 15 + 17 · Async fan-out across 6+ services. Markdown: https://debrajpaul.com/system-design/privacy-pii-orchestrator.md
- [Multi-Brand Async Moderation Platform](https://debrajpaul.com/system-design/async-moderation-platform) — Trust & Safety · Multi-tenant · In-house text + image moderation. Markdown: https://debrajpaul.com/system-design/async-moderation-platform.md
- [Full Budget App](https://debrajpaul.com/system-design/full-budget-app) — Open source · Serverless · Multi-tenant · Event-driven categorisation · AWS CDK. Markdown: https://debrajpaul.com/system-design/full-budget-app.md
- [Service-Registry-Driven Fan-Out](https://debrajpaul.com/system-design/service-registry-fan-out) — A compliance orchestrator needs to know which downstream services hold a given user's PII before it can fan out a GDPR/CCPA request — and that list… Markdown: https://debrajpaul.com/system-design/service-registry-fan-out.md
- [Two-Stream Kafka Pattern](https://debrajpaul.com/system-design/two-stream-kafka) — Separate Kafka streams for outbound requests and inbound results, each with its own replay point, used across the Privacy / PII Request Orchestrator… Markdown: https://debrajpaul.com/system-design/two-stream-kafka.md
- [Backfill Search-Indexing Pipeline (DynamoDB → OpenSearch)](https://debrajpaul.com/system-design/backfill-search-indexing) — An offline extract-then-transform backfill that uses DynamoDB's native export-to-S3 feature to pull the full content corpus without touching… Markdown: https://debrajpaul.com/system-design/backfill-search-indexing.md
- [Resort-Booking MCP Connector](https://debrajpaul.com/system-design/resort-booking-mcp) — An open-source Model Context Protocol (MCP) connector that turns a personal resort-booking workflow into Claude-callable tools — research, plan… Markdown: https://debrajpaul.com/system-design/resort-booking-mcp.md

## Certifications

- AWS Certified Developer – Associate (2024–2027)
- Apollo GraphQL Developer – Associate (2025)

Everything on this site in one file: https://debrajpaul.com/llms-full.txt
