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EXPERTISE • PRODUCTION TAXONOMY

Technical Skills & Stack Receipts

Every technology listed below represents practical, production-tested implementation backed by real systems code in ResuPulse or Furniture E-Commerce.

Languages

3 technologies

Primary development in strictly-typed TypeScript across client, server, and worker layers. Python utilized for secondary scripting, benchmarks, and data analysis.

TypeScriptJavaScript (ES6+)Python

Frontend Engineering

5 technologies

Building responsive, high-performance interfaces with Server Components (RSC), decoupled client state (Zustand), and reactive server cache synchronization (TanStack Query).

Next.js (App Router)React 18Tailwind CSSZustandTanStack Query

Backend & Queuing

6 technologies

Developing high-throughput REST APIs, asynchronous worker priority lanes, runtime input validation with Zod schemas, and transactional payment workflows.

Node.jsExpress.jsREST APIsBullMQZodRazorpay

Databases & In-Memory Caching

5 technologies

Multi-document ACID transaction sessions, complex compound indexing, in-memory queue broker management, and non-blocking cursor-based SCAN cache invalidation.

MongoDBMongooseRedisAWS ElastiCacheUpstash

AI & LLM Orchestration

7 technologies

Orchestrating 8 parallel specialist LLM agents with pre-inference structural PII anonymization, deterministic fact grounding, and sub-5s real-time SSE progress streaming.

Groq AIMulti-Agent OrchestrationTool CallingStructured Outputs (Zod)Prompt EngineeringSSE StreamingPII Redaction

Cloud, Infrastructure & DevOps

8 technologies

Deploying standalone Next.js builds on AWS EC2 (Mumbai) with PM2 zero-downtime rolling reloads, Cloudflare edge proxies, and automated GitHub Actions verification workflows.

AWS EC2AWS S3AWS ElastiCacheCloudflareDockerNginxPM2CI/CD (GitHub Actions)

Security & Access Control

6 technologies

Dual-plane auth systems, role-based access control, cryptographic HMAC webhook signature verification, and server-side blanked entitlement projections.

OAuth 2.0JWTRBACbcryptCSRF ProtectionHMAC-SHA256

Testing, Tools & Tooling

5 technologies

Comprehensive unit and integration test suites with Vitest, API contract verification via Postman, production error telemetry via Sentry, and git branching hygiene.

VitestPostmanSentryGitGitHub

Looking to see these skills in action?

Read the ResuPulse architectural breakdown to observe how BullMQ, Redis, Groq multi-agent orchestration, and AWS EC2 operate in production.

View Architecture Case Study →