Jisan Halder
Jisan HalderCEO @ Zerviqo
Available for Co-Founding & WorkKolkata, West Bengal, India

Jisan Halder

Founder & CEO @ Zerviqo

Full-Stack & Mobile Developer · Product Builder

Founder & CEO of Zerviqo. Full-Stack & Mobile Developer building on-demand service platforms, emergency healthcare workflows, AI visualizers, and cyberpunk media systems. Pursuing B.Tech in CSBS at Narula Institute of Technology. Engineering across Dart, Flutter, TypeScript, React 19, Next.js, Node.js, and Supabase.

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GitHubLinkedInofficial.jisanhalder@gmail.com+91 9332739668
Jisan Halder
Jisan HalderGoogle Play

Founder & CEO @ Zerviqo

1st Runner-Up @ Hack Synthesis 3.0

NearER Emergency Platform

About

Building Real Products from Kolkata, India

Full-Stack & Mobile Developer, Founder of Zerviqo, and CSBS engineer @ Narula Institute of Technology.

Jisan Halder

Founder & Engineer

Zerviqo · Narula Institute of Technology

Founder & CEO of Zerviqo. Full-Stack & Mobile Developer building on-demand service platforms, emergency healthcare workflows, AI visualizers, and cyberpunk media systems.

Currently pursuing B.Tech in Computer Science and Business Systems (CSBS) at Narula Institute of Technology (2026 to Present). Engineering production systems across Flutter, React 19, Next.js, Node.js, Supabase, PostgreSQL, Firebase, and real-time WebSockets.

Education

Computer Science & Business Systems (CSBS)

Narula Institute of Technology

B.Tech in Computer Science and Business Systems (CSBS)

West Bengal, India2026 to Present

Founder & CEO Mindset

Built Zerviqo from concept to Google Play release. Experienced in taking products 0→1 across design, mobile apps, web, and backend.

Full-Stack & Mobile Mastery

Fluent in Dart/Flutter for cross-platform mobile, React 19 & Next.js for web, and Node.js with Supabase & PostgreSQL for backend systems.

Domain Problem Solving

Creator of NearER emergency healthcare routing, WiSight through-wall radar simulator, and Zorynth cyberpunk streaming CMS.

"I build complete products from idea to deployment."

Jisan Halder

Experience

Building & Leading Ventures

Founder and product engineer shipping real production apps to users.

Founder & CEO

Present

Zerviqo

2026 to Present
Kolkata, India

Founded and built an on-demand home-services marketplace connecting customers with nearby service professionals across mobile, partner, and admin experiences. Developed Flutter customer/provider apps & web operations surfaces with Supabase auth, booking, geolocation, and real-time service workflows. Launched provider product on Google Play.

Founder & CEOFlutterSupabaseMarketplaceGoogle Play
Portfolio Showcase

Key Projects & Products

From consumer marketplaces & emergency healthcare routing to cyberpunk streaming and through-wall radar simulators.

Startup / Co-FoundingLive Product
2026 to Present

⚡Zerviqo

On-Demand Home-Services Marketplace

An on-demand home-services marketplace connecting customers with nearby service professionals across mobile, partner, and admin experiences.

  • Founded & engineered on-demand home-services marketplace connecting customers with service professionals
  • Built Flutter customer & provider apps with Supabase auth, booking, geolocation, and real-time updates
  • Implemented payment, notification, PIN-verified completion, and service management flows
  • Launched provider product live on Google Play Store
FlutterSupabasePostgreSQLGoogle PlayNode.jsRazorpay
Full Case StudyLive Site
Metrics

Google Play

Status

App + Web + Admin

Surfaces

Founder & CEO

Role

Hackathon WinnerLive Product
2026

🚑NearER

Emergency Healthcare Coordination Platform

A multi-sided emergency workflow connecting patients, ambulances, and hospitals to reduce delays in finding appropriate emergency care.

  • 🏆 Secured 1st Runner-Up at Hack Synthesis 3.0 (DriveBlaze)
  • Multi-sided workflow connecting patients, ambulances, and hospital ERs in real-time
  • Live hospital resource visibility & emergency routing interfaces
React 19Next.jsTypeScriptGoogle Maps APIWebSockets
Full Case Study
Metrics

🏆 1st Runner-Up

Award

Hack Synthesis 3.0

Event

Emergency Tech

Focus

Web PlatformLive Product
2026

🎬Zorynth

Cyberpunk VOD Platform

A responsive streaming platform with sub-profiles, personalized watchlists, ratings, and polished content discovery flows.

  • Responsive VOD platform with sub-profiles, personalized watchlists, and user ratings
  • Custom administrator CMS with Supabase Row Level Security (RLS)
  • Real-time session-control logic and sleek cyberpunk interface
React 19TypeScriptSupabaseTailwind CSSCMS
Full Case Study
Metrics

React 19

Core

Supabase RLS

Security

VOD Platform

Type

Mobile AppLive Product
2026

🛍️Valenro

Streetwear Commerce System

Engineered authentication, product catalogue, cart, checkout, and transaction flows across web and mobile surfaces.

  • Engineered unified commerce engine across mobile (Flutter) and web (Next.js)
  • Integrated Stripe payments and Riverpod state management
  • Supabase backend handling auth, product catalogue, and order transactions
FlutterNext.jsSupabaseStripeRiverpod
Full Case Study
Metrics

Web & Mobile

Surfaces

Stripe

Payments

Riverpod

State

Side Projects & Tools

📡2026

WiSight

Wi-Fi CSI Through-Wall Radar Simulator

Wi-Fi CSI through-wall radar simulator visualizing multipath and Doppler-shift signatures for human movement tracking.

PythonJavaScriptSignal ProcessingDoppler Shift
Read Details
💻2026

SimOS

Operating-System Scheduling Visualizer

Operating-system scheduling visualizer for FCFS, SJF, SRTF, Priority, and Round Robin with live Gantt timelines.

JavaScriptReactAlgorithmsGantt Chart
Read Details
💬2026

ChatWave

Real-Time Multi-Room Messaging Application

Real-time multi-room messaging application using Node.js, Express, Socket.io, and WebSocket workflows.

Node.jsExpressSocket.ioWebSockets
Read Details
Technical Stack

Languages, Frameworks & Tools

Engineered cross-platform mobile apps, web platforms, and backends.

Languages

DartTypeScriptJavaScriptPythonJava

Frameworks & Web

FlutterReact 19Next.jsTailwind CSSExpress.js

Backend & Cloud

Node.jsSupabasePostgreSQLFirebaseMongoDBSocket.io

Tools & APIs

REST APIsGoogle Maps APIRazorpayStripeGit
Recognition

Hackathons & Achievements

Honors, competition shortlists, and product milestones.

🏆
2026

1st Runner-Up

Hack Synthesis 3.0 (DriveBlaze)

Secured 1st Runner-Up with NearER Emergency Healthcare Coordination Platform.

🚀
2026

IIT Kharagpur Shortlist

NSSC 2026

Shortlisted for both Pitch the Cosmos and Case Study competitions at IIT Kharagpur NSSC 2026.

🪐
2026

Team Lead | Pitch the Cosmos

Aetheris Dynamics (NSSC 2026)

Led Team Aetheris Dynamics on an evidence-first orbital ZBLAN manufacturing concept.

⚡
2026

Entrepreneurship & Product Launch

Zerviqo (Google Play)

Founded Zerviqo, designed product, built marketplace workflows, and launched provider app on Google Play.

Get In Touch

Let's Connect

Open to full-time roles, startup co-founding, or project discussions.

Direct Contact

Location

Kolkata, West Bengal, India

Website

zerviqo.in
GitHubLinkedIn

Send a Message