
Nayon Kanti Halder
Full Stack Software Engineer
I build scalable web and mobile applications with a focus on performance, clean architecture, and thoughtful user experience. Currently crafting full-stack solutions with React, Next.js, Node.js, and React Native for clients around the world.
Next.js SSR Engine
Client FrontendReact Native Bridge
iOS & AndroidNode.js Microservices
Distributed CoreAI Agent Pipelines
Groq / LangChainPrinciples Powering Every System
The engineering mindset, design principles, and quality standards that underpin every production system I build and every team I work with.
Performance-First Architecture
Every system is engineered for minimal latency, maximum throughput, and graceful scaling under real-world load conditions.
Composable & Modular Design
Components, APIs, and services are designed to be independently deployable, testable, and reconfigurable at any scale.
Global-Ready Engineering
Applications built with i18n, accessibility, RTL support, and optimized CDN delivery for international users from day one.
AI-Augmented Workflows
Integrating LLM agents, RAG pipelines, and intelligent automation to create systems that evolve and adapt over time.
Engineering Tenets
Core Engineering Values
Engineered Ecosystem & Technical Infrastructure
A cohesive full-stack infrastructure spanning native mobile runtimes, high-throughput microservices, hardened databases, and AI orchestration.
4-Tier Enterprise Architecture Blueprint
INTERACTIVE TOPOLOGY — Click tiers to inspect modules
Client & Presentation Layer
Responsive web applications and native cross-platform mobile apps with 60fps gestures, offline caching, and instant SSR hydration.
Next.js
Server Components, SSR, ISR & App Router Architecture
React.js
Reusable Component Architecture, Hooks & Reactive UI
TypeScript
Strict Compile-Time Invariants & Generic Inference
Tailwind CSS
Design Tokens, Utility Styling & Responsive Layouts
Framer Motion
Physics Spring Animations & Spatial Page Transitions
HTML5
Semantic Structure, SEO Tags & Accessibility Standards
CSS3
Modern Flexbox, Grid, CSS Variables & Animations
JavaScript (ES6+)
Asynchronous Logic, Event Loop, Closures & DOM APIs
shadcn/ui & Radix
Accessible Headless UI Primitives & Components
Figma
UI/UX Prototyping, Wireframing & Design Token Handoff
React Native
Cross-Platform Native iOS & Android Engine
Expo & EAS
Managed Native Pipelines, Native Plugins & App Store Builds
React Native Reanimated
60fps UI Thread Gesture Physics & Worklets
MMKV & SQLite
High-Speed Local Storage for Offline-First Architecture
Biometric Auth
FaceID & Fingerprint Hardware Security Integration
Mapbox / GeoJSON
Interactive Offline Maps & GPS Route Navigation
App Store / Play Store
Production Mobile App Release & Distribution
Node.js
Asynchronous Event Loop Server Runtime & Microservices
Express.js
Modular Middleware, Routing & High-Velocity REST APIs
NestJS
Enterprise Modular Architecture & Dependency Injection
Python
Data Processing, Automation & AI Backend Services
FastAPI
Ultra Fast Python Async Web APIs with Pydantic
Django
Robust Python Web Framework & Admin Ecosystem
Socket.IO
Real-Time Bi-Directional Event Rooms & Broadcasting
WebRTC
Low-Latency Peer-to-Peer Audio/Video Streaming Mesh
RESTful APIs
Clean Endpoint Contracts, Idempotency & CRUD Services
Zod Validation
Runtime Schema Validation & Safe Parsing at Boundaries
JWT & NextAuth
Token Rotation, OAuth Providers & RBAC Authorization
Next.js Server Actions
Type-Safe Server RPC Mutations & Form Handling
MongoDB
Document Hierarchies, Dynamic Indexing & 2dsphere Geo
MongoDB Aggregations
Complex Multi-Stage Data Pipelines & Analytics Queries
PostgreSQL
Relational Modeling, Foreign Constraints & ACID Transactions
Prisma ORM
Type-Safe Database Client & Automated Migrations
Drizzle ORM
Lightweight SQL Query Builder with Zero Overhead
Redis
In-Memory Cache Layer, Session Store & Pub/Sub Broker
TanStack Query
Server State Caching, Background Sync & Optimistic UI
Zustand
Minimalist Reactive Client State Stores
Redux Toolkit
Centralized Global State Management & Slices
Firebase Firestore & Auth
Real-Time Cloud Database, Rules & Cloud Functions
Supabase
Postgres Cloud Backend with Auth & Row Level Security
Docker
Containerization, Multi-Stage Builds & Compose Orchestration
Linux VPS (Ubuntu)
Server Hardening, SSH, PM2 Process Manager & Tuning
Nginx
Reverse Proxy, SSL Termination, Load Balancing & Gzip
Git & GitHub
Branching Workflows, Code Reviews & Semantic Versioning
GitHub Actions
Automated CI/CD Pipelines, Linting, Type Checks & Deploy
Vercel
Edge Deployments, Serverless Functions & Preview Branches
Railway / Render / Netlify
Cloud App Hosting & Microservice Deployments
Postman
API Testing, Automated Test Suites & Mock Servers
Vercel AI SDK
Streaming UI Hooks, LLM Completions & Chat State
Groq API
Ultra Low-Latency LPUs for Sub-Second LLM Inference
OpenAI GPT-4o
Context Grounding, Multimodal Analysis & Structured Tools
Gemini API
Multimodal AI Vision & Large Context Reasoning
Whisper AI
Speech-to-Text Audio Transcription & Voice AI
Stripe API
Secure Checkout Sessions, Webhooks & Automated Billing
SSLCommerz
Payment Gateway Integration for Regional Transactions
Resend / Email.js
Transactional Email Dispatch & Automated Notifications
Organizational Experience & Career Audit Trail
A verifiable ledger of engineering ownership, cross-functional delivery, distributed systems architecture, and quantified business outcomes.
Engineered Systems & Production Registries
High-performance web applications, native cross-platform mobile apps, and distributed enterprise suites deployed for international clients.

Descubrelo
AI-Powered Travel Companion for Colorado
Whisky Cask Club
Premium Luxury Cask Portfolio Tracking



TW Solutions
Stop Losing Thousands to Missed Calls



Stream Lab
AI-Powered Movie Studio & Streaming Platform



Wedding AI
AI-Powered Wedding Management & Concierge Agent



Law Firm
Professional Legal Case & Client Portfolio Platform



Simfrii
Global eSIM Marketplace & Carrier Telemetry Platform




REDUCO
SaaS CRM with HR Analytics & Groq AI Assistant



TruckFlow
Fleet Logistics & Dispatch Management Platform


Weather Now
Global Accurate Forecasts & Severe Weather Telemetry



Alamo City
High-Traffic Online Newspaper & Editorial Portal



Restaurant Management System
Full-Featured POS, Orders, Tables & Inventory Engine


Real Estate Property Live Auction
AI-Powered Distressed Property Acquisition & Bidding Hub



LMS - Learning Management System
Full-Stack Course & Payment Platform with Stripe & Firebase

Fresh-Harvests
Organic Products E-Commerce Platform with Redux RTK
SDLC Workflow & Delivery Methodology
A battle-tested 5-stage engineering pipeline that consistently delivers production-grade systems on time and within scope.
Discovery & Architecture
Deep-dive into requirements, define system architecture, select optimal technology stack, and establish scope boundaries.
Engineering Craftsmanship & System Exploration
Continuous research into cutting-edge frameworks, developer velocity tools, AI agent orchestration, and disciplined human-centric design.
Continuous Learning
I treat learning as a daily practice — exploring new frameworks, reading source code, and staying current with the ecosystem so I can choose the right tool for each job.
Clean Architecture
I obsess over code structure — boundaries, dependencies, and data flow — because maintainable code pays dividends long after the initial build.
Performance Mindset
Every millisecond matters. I profile, optimize, and measure because performance directly impacts user trust and conversion.
Accessibility
I build for everyone — keyboard navigation, screen readers, color contrast, and semantic HTML are part of my default toolkit.
AI Integration
I see AI as a practical tool for solving real problems — not a gimmick. I integrate it where it creates genuine value for users.
UI/UX Appreciation
I think like a designer — spacing, hierarchy, motion, and micro-interactions. Great engineering should be invisible; great design should be felt.
Mentoring & Collaboration
I share knowledge through code reviews, documentation, and pair programming. Teams grow stronger when knowledge flows freely.
Problem-Solving Mindset
I break complex problems into smaller, solvable pieces. I prototype, iterate, and validate assumptions before committing to a path.
United International University
Bachelor of Science in Computer Science & Engineering
Initiate Project Inquiry & Engineering Engagement
Ready to ship a high-impact MVP, build a cross-platform React Native app, or scale your web architecture? Submit a dispatch request for rapid response.