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@vivekcsein-logo

A portfolio full stack developer with a passion for building scalable and high-performance web applications.

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  • Backend & APIs
  • Performance Optimization
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© @vivekcsein. All rights reserved.

Full Stack Developer

I build digital products that are fast, scalable and built to last.

Full Stack Developer specializing in React, Next.js, Node.js and modern web technologies. I help startups and businesses turn ideas into production-ready products.

View My WorkDownload Resume
Connect with me
  • GitHub
  • LinkedIn
  • X (Twitter)
@vivekcsein
AI
Code
Config
React
Automation
Database
TypeScript
3D illustrated developer desk setup
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Featured Article

Business

The Best Freelance Platforms to Get Clients (2026 Guide for Developers, Studios & Small Teams)

A 2026 guide to the best freelance platforms for dev teams and studios: open marketplaces, vetted networks, job boards and B2B directories, with fees and a practical stack.

11 min readSep 12, 2026Read Guide
  • freelancing
  • freelance platforms
  • clients
  • agency
  • marketplaces

Technologies I work with

React
React
Next.js
Next.js
TypeScript
TypeScript
Node.js
Node.js
Express.js
Express.js
Hono
Hono
Fastify
Fastify
PostgreSQL
PostgreSQL
MySQL
MySQL
Supabase
Supabase
Redis
Redis
Tailwind CSS
Tailwind CSS
Shadcn UI
Shadcn UI
Redux Toolkit
Redux Toolkit
Zustand
Zustand
Zod
Zod
Selected Work

Engineering through projects

View All Projects →
Cloak Shield

Cloak Shield

A developer-focused authentication product and marketing site: Next.js on the front, a Hono API behind it, and Supabase and MySQL handling identity, sessions, and user data.

Next.jsTypeScriptHonoSupabaseMySQLTailwind CSSVercel
Six Teal Store

Six Teal Store

A modern e-commerce storefront with product discovery, persistent cart management, and animated shopping flows, backed by a scalable Supabase and PostgreSQL stack.

Next.jsTypeScriptSupabasePostgreSQLZustandTailwind CSSGSAPVercel
Sparkverse

Sparkverse

A tech news platform covering AI, startups, CEO insights, developer conversations, and gaming, with a content-first reading experience built on Supabase and PostgreSQL.

Next.jsTypeScriptSupabasePostgreSQLTailwind CSSGSAPVercel

2+

Years Experience

30+

Projects Completed

100%

Client Satisfaction

Top 1%

On TopDev & GitHub

My Journey

The path that shaped me

Learning & Exploring

Started my journey with HTML, CSS & JS and discovered the joy of building on the web.

Frontend Developer

Deep dived into React, Next.js and modern frontend ecosystem.

Backend Developer

Explored Node.js, databases, APIs and authentication systems.

Full Stack Developer

Building scalable full stack applications and helping businesses grow.

Building & Sharing

Contributing to open source, writing blogs and sharing knowledge.

Future Goals

Continuously learning and building impactful products that make a difference.

Interactive 3D Showcase

Explore what I build

Interactive 3D models of the tools, systems, and experiences I work with.

Web Apps
01 / 04

Web Apps

Fast, accessible Next.js and React interfaces with clean architecture, from marketing sites to full dashboards.

APIs & Backend
02 / 04

APIs & Backend

Typed Node.js and Hono APIs with validation, authentication and clear error handling that scale with your product.

Databases
03 / 04

Databases

Schema design, queries and migrations on PostgreSQL, MySQL and Supabase, built for integrity and speed.

AR Experiences
04 / 04

AR Experiences

Immersive 3D on the web: interactive models, scroll-driven scenes and playful product demos.

View 3D Showcase

Let's build something amazing together

I'm open to freelance projects, full-time opportunities and exciting collaborations.

Let's Connect →

“Vivek is an exceptional developer who delivers high-quality work on time. His expertise in Next.js and backend architecture is top-notch.”

Sandeep Singh

Salesforce Developer

“Vivek brings a strong technical mindset and a keen eye for detail to every project. His ability to turn ideas into modern, scalable web experiences makes him a valuable developer to work with.”

Yashi Mishra

Co-Founder, Techkilla Technologies

“Working with Vivek was a great experience. He understands project requirements well and focuses on building clean, responsive, and user-friendly interfaces. His dedication to delivering quality work makes him a reliable developer for freelance projects.”

Nilesh Singh

Freelance Client

Building Global Digital Experiences