Supriyo.dev
Full Stack Dev
Open to new opportunities

Hi, I'm Supriyo Kumar Dey
Full Stack Web Developer

Bridging elegant user interfaces with resilient, scalable backend architectures. Specialized in modern TypeScript architectures, Next.js 16, React 19, high-throughput Node.js microservices, and distributed databases.

supriyo-profile.ts
const developer = {
  name: "Supriyo Kumar Dey",
  role: "Full Stack Web Developer",
  experience: "5+ Years Engineering",
  coreStack: [
    "Next.js 16", "React 19", "TypeScript",
    "Node.js", "PostgreSQL", "Docker"
  ],
  architecture: "Scalable Web & Microservices",
  openForHire: true,
  contact: "supriyokumardey.dev@gmail.com"
};
TypeScript 5.0 • Next.js Ready
Available for Hire
5+
Years of Experience
Delivering modern web software
35+
Completed Projects
SaaS, E-Commerce & Web Platforms
98+
Lighthouse Performance
Optimized for speed & SEO
100%
Happy Clients & Teams
Consistent delivery & communication
About Supriyo

Engineering Web Systems with Precision & Passion

A developer who bridges the gap between sophisticated, accessible user interfaces and bulletproof backend infrastructure.

The Full-Stack Mindset

Hello! I'm Supriyo Kumar Dey, a Full Stack Web Developer based in India. Over the last 5+ years, I have turned ideas into scalable digital products, spanning enterprise SaaS dashboards, high-traffic e-commerce storefronts, and collaborative real-time web applications.

My engineering philosophy revolves around simplicity, performance, and craft. I believe great full-stack developers must comprehend every layer of the modern web: from the CSS layout algorithm and React rendering lifecycle to database indexing, connection pooling, and Docker container orchestration.

Next.js 16 & React 19 Expert
End-to-End TypeScript
Microservices & REST / GraphQL
PostgreSQL & Redis Caching
Location & Availability
Kolkata, India • Open to Worldwide Remote
Experience
5+ Years in Full-Stack Web Development
Status
Available for Full-time Roles & High-Impact Projects
Direct Contact
supriyokumardey.dev@gmail.com

Full-Stack Architecture

Building unified solutions where frontends and microservices share end-to-end type safety, high cohesion, and scalable data contracts.

Performance & Core Vitals

Laser-focused on lightning-fast load times, server-side caching with Redis, minimal client JavaScript, and 98+ Google Lighthouse scores.

Resilient Backend & DBs

Engineering high-throughput Node.js APIs, robust PostgreSQL schemas, atomic transactions, and distributed caching capable of millions of requests.

Clean Code & Reliability

Writing maintainable TypeScript, clean architectural boundaries, automated testing suites, and robust CI/CD deployment automation.

Technical Mastery

Skills & Technologies

A battle-tested technology stack refined over 5+ years of delivering high-performance, production-grade applications.

Next.js (App Router)Core96%
Experience: 4+ years
React 19Core95%
Experience: 5+ years
TypeScriptCore94%
Experience: 4+ years
Modern CSS / CSS Modules92%
Experience: 5+ years
Tailwind CSS95%
Experience: 4+ years
State Management (Zustand / Redux)90%
Experience: 4+ years
HTML5 / Web Accessibility (WCAG)94%
Experience: 5+ years
TanStack Query & tRPC88%
Experience: 3+ years
Node.jsCore93%
Experience: 5+ years
Express.jsCore92%
Experience: 5+ years
RESTful API Design95%
Experience: 5+ years
GraphQL85%
Experience: 3+ years
WebSockets & Real-time (Socket.io)88%
Experience: 3+ years
Microservices & Serverless86%
Experience: 3+ years
Authentication (NextAuth / JWT / OAuth)92%
Experience: 4+ years
PostgreSQLCore90%
Experience: 4+ years
MongoDBCore92%
Experience: 5+ years
Redis (Caching & Queues)87%
Experience: 3+ years
Prisma ORM & Drizzle91%
Experience: 3+ years
MySQL88%
Experience: 4+ years
Supabase & Firebase89%
Experience: 4+ years
Docker & ContainerizationCore86%
Experience: 3+ years
AWS (S3, EC2, Lambda)84%
Experience: 3+ years
Vercel & Netlify Deployment96%
Experience: 5+ years
CI/CD & GitHub Actions88%
Experience: 3+ years
Nginx & Linux Server Management85%
Experience: 4+ years
Git & GitHub Workflow95%
Experience: 5+ years
Jest & React Testing Library85%
Experience: 3+ years
Postman & API Testing92%
Experience: 5+ years
Figma to Code Implementation90%
Experience: 4+ years
Turbopack / Vite / Webpack88%
Experience: 4+ years

Always Keeping Pace with Modern Web Innovations

From React 19 Server Actions and Turbopack to microservices containerization and edge middleware, I continually build with cutting-edge tools that provide real business leverage.

See Them in Action
Proof of Work

Featured Projects & Systems

Explore production applications, high-throughput backend services, and interactive full-stack architectures built for scalability.

Full Stack

NexusCloud - Cloud Infrastructure & Metrics Platform

Multitenant telemetry monitoring with real-time server health and alerting dashboard.

A comprehensive cloud management platform built to monitor distributed microservices and compute clusters. Features live WebSocket telemetry streaming, automated threshold alerting, and interactive metrics visualization.

Processes 2.5M+ daily events with <45ms average response latency
Next.js 16TypeScriptNode.jsPostgreSQLPrismaWebSocketsRedis
E-Commerce

PulseCommerce - Headless E-Commerce Suite

Ultra-fast headless online storefront with dynamic inventory and Stripe Checkout.

A production-grade modern e-commerce solution with dynamic product filtering, real-time inventory management, one-click checkout powered by Stripe, and comprehensive merchant admin analytics.

99/100 Lighthouse Performance & 3.2x faster checkout conversion
Next.js 16React 19Stripe APIMongoDBRedis CacheTailwind CSS
AI & Tools

Synthetix AI - Intelligent Workflow & Prompt Studio

Enterprise AI prompt orchestration with streaming token responses and vector knowledge bases.

An AI-powered development workspace that allows engineering teams to construct, test, and deploy custom prompt chains, document Q&A embeddings, and multi-model agents with live token streaming.

Used by 1,200+ developers for rapid prototyping & prompt engineering
Next.jsTypeScriptOpenAI APIVector EmbeddingsExpressPostgreSQL
SaaS

DevSync - Real-Time Collaborative Workspace

Instant multiplayer task kanban, interactive code editor, and live team messaging.

A full-featured team productivity platform uniting real-time kanban boards, markdown document drafting, and collaborative code review rooms built with WebSockets and optimistic UI updates.

Zero-latency feeling with sub-30ms socket message broadcast
React 19Node.jsSocket.ioPostgreSQLDockerExpress
Full Stack

FinTrack Pro - Asset & Financial Intelligence

Automated wealth analytics, multi-currency tracking, and predictive portfolio insights.

A financial intelligence platform enabling users to connect bank statements, crypto wallets, and investment assets into a unified dashboard with predictive cash flow simulations and automated tax reports.

Analyzed over $12M in simulated transactions with bank-grade encryption
Next.jsTypeScriptNode.jsChart.jsSupabasePostgreSQL
SaaS

HyperAPI - Microservices Gateway & Portal

High-throughput API token routing gateway with rate limiting and OpenAPI sandbox.

A robust API gateway designed for high-concurrency microservice architectures. Delivers token validation, distributed rate limiting with Redis token buckets, request transformation, and live API exploration.

Sustained 10,000 req/sec benchmark with zero dropped packets
Node.jsExpressTypeScriptRedisDockerOpenAPI
Career Milestones

Professional Experience

A track record of taking software from architectural whiteboards to millions of requests in production.

Lead Full Stack Developer

Apex Tech Innovations
2023 - PresentRemote / Hybrid

Heading architectural decisions and core full-stack engineering for client-facing cloud applications and internal tooling.

Architected scalable Next.js 15/16 micro-frontends and Node.js backend services, reducing page load times by 48%.
Implemented PostgreSQL query optimization, connection pooling, and Redis caching that lowered database compute costs by 35%.
Mentored a team of 6 frontend and backend engineers, instituting code review standards, CI/CD automated test suites, and TypeScript strict mode.
Engineered real-time notification pipelines and WebSocket event listeners supporting 20,000+ simultaneous connections.
Next.jsTypeScriptNode.jsPostgreSQLDockerAWSRedis

Senior Full Stack Web Developer

CodeCraft Solutions
2021 - 2023Bengaluru, India

Spearheaded full-lifecycle development of custom SaaS applications, REST APIs, and e-commerce platforms.

Built responsive, accessible user interfaces using React, Next.js, and modern CSS systems that achieved 95+ accessibility audits.
Designed and maintained resilient REST and GraphQL APIs using Express.js and Prisma ORM, handling high-volume transaction traffic.
Integrated multi-provider payment gateways (Stripe, Razorpay, PayPal) with idempotent webhook processing.
Configured automated GitHub Actions workflows for continuous integration, automated linting, unit testing, and Docker builds.
ReactNode.jsExpressMongoDBPostgreSQLREST APIsTailwind CSS

Full Stack Developer

DigitalWave Studios
2019 - 2021Kolkata, India

Engineered web applications, marketing portals, and content management systems for international clients.

Developed 20+ responsive web applications from concept to deployment using modern JavaScript, React, and Node.js.
Collaborated closely with UI/UX designers to translate Figma design prototypes into pixel-perfect, accessible code.
Optimized client asset pipelines, image delivery, and bundle splitting, resulting in 40% faster time-to-interactive.
Authored comprehensive API documentation and client onboarding guides for custom backend integrations.
JavaScript (ES6+)ReactNode.jsMySQLCSS3 / SassGit
Value Proposition

Services & Engineering Capabilities

Tailored full-stack solutions for high-growth startups, established tech firms, and enterprise digital products.

Full-Stack Web Application Development

End-to-end web application architecture from database modeling to responsive frontend interfaces with modern frameworks.

Custom Next.js & React Apps
Scalable Component Architecture
Server-Side Rendering (SSR) & ISR
Full TypeScript Type Safety
Discuss Your Project

Backend Engineering & REST/GraphQL APIs

High-throughput, secure, and clean server architectures designed to handle complex business logic and scale effortlessly.

RESTful & GraphQL Endpoints
Authentication & Role-Based Security
WebSocket Real-Time Systems
Third-Party API Integrations
Discuss Your Project

Database Modeling & Performance Optimization

Structured database architectures, indexing strategies, and caching solutions that ensure lightning-quick data retrieval.

PostgreSQL & MongoDB Schemas
Prisma & Drizzle ORM Setup
Redis Caching Layers
Query Profiling & Tuning
Discuss Your Project

Performance, Core Web Vitals & SEO

Auditing and elevating your web applications to achieve near-perfect Lighthouse scores, fast first contentful paint, and search rankings.

Core Web Vitals Audit & Remediation
Bundle Size & Asset Optimization
Dynamic Metadata & OpenGraph
Schema Markup / Structured Data
Discuss Your Project

Cloud Infrastructure & CI/CD DevOps

Streamlined deployment pipelines and containerized environments ensuring seamless releases with minimal downtime.

Docker Containerization
GitHub Actions CI/CD Automation
AWS & Vercel Cloud Deployments
Environment & Secret Management
Discuss Your Project

UI/UX Engineering & Design Systems

Translating design visions into reusable, accessible, and responsive component libraries with micro-interactions and dark mode.

Pixel-Perfect Figma Conversion
Cross-Browser Compatibility
Accessible WCAG Compliant UI
Micro-Animations & Smooth Transitions
Discuss Your Project
Client Testimonials

Trusted by Engineers & Founders

Feedback from team leaders and clients who have collaborated with Supriyo on mission-critical software.

“Supriyo is one of the most reliable full-stack developers I've worked with. He took our complex SaaS specs and delivered a clean, production-ready Next.js platform ahead of deadline. His backend architecture handles our spike traffic with zero hiccups.”

AM
Alex Morgan
VP of Product • CloudScale Technologies

“Working with Supriyo was exceptional. He doesn't just write code; he thinks through user experience, edge cases, and API resilience. Our e-commerce checkout speed increased by 3x after his optimization work.”

ER
Elena Rostova
Founder & CTO • ModaVibe Global

“Supriyo's mastery of the modern Next.js ecosystem, TypeScript, and database performance saved us months of refactoring. He communicates clearly, delivers high-quality code, and takes immense pride in his craft.”

DC
David Chen
Engineering Director • VenturePulse Labs
Let's Connect

Have a Project in Mind? Let's Talk

Whether you have a technical question, an open engineering position, or a bold new venture, my inbox is always open.

Direct Contact Information

Feel free to email me directly or copy my email address. I usually respond within a few hours.

Email Address
supriyokumardey.dev@gmail.com
Kolkata, India • Open to Worldwide Remote
Average response time: < 24 hours
Timezone flexibility: US, EU & APAC overlap
Collaboration Guarantee

Clean, documented code with strict type safety, fast turnaround times, and daily asynchronous progress updates.

Send a Message

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