Hossain Chisty

Full-Stack Developer | Building AI-Powered SaaS

I build scalable web apps and SaaS products — from backend infrastructure to AI-powered features.

Featured Projects

What I've built

ChoyCraft

An all-in-one AI studio for generating text, images, video, and audio, built for production use rather than quick experiments.

Next.jsTailwindCSSClerkSupabaseResendCloudflare R2Brave SearchFramer Motion

NextMind AI

A privacy-first AI knowledge workspace for chatting with your documents using hybrid RAG, pgvector, BM25, reranking, and multi-provider LLMs.

PythonDjangoDjango REST FrameworkNext.jsPostgreSQL pgvectorRedisCeleryTailwind CSSCloudflare R2

MeetShikkha AI

AI academic assistant for Math, Physics, Chemistry, Biology, and English. Helps students learn and practice with a clean, modern interface.

PythonDjangoDjango Rest FrameworkOpenAIPostgreSQLRedisDocker

FreshGerium

All-in-one SME management tool. Track accounts, orders, invoices, expenses, inventory, and reports in one place.

PythonDjangoDjango Rest FrameworkJinja2AjaxChart JSPostgreSQLRedisCloudinarySentryDocker

Nomadly

Platform connecting remote workers with work-friendly stays. Find accommodations built for productivity and comfort.

Node.jsExpressMongoDBReactTailwindDocker

Tech Stack

Technologies I use to build amazing products

Frontend

React

Next.js

Tailwind CSS

JavaScript

TypeScript

Framer Motion

Backend

Python

Django

Django REST Framework

Node.js

Express.js

PostgreSQL

MongoDB

Celery

AI & Automation

OpenAI

LangChain

LLM API Integration

RAG & Vector Search

LLM Orchestration

Agentic Workflows

Multi-modal AI

Prompt Engineering

Cloud & DevOps

AWS

Cloudflare R2

Docker

Terraform

Redis

Vercel

CI/CD & Deployment

20+

Technologies

Mastered

Years

Experience

40+

Projects

Completed

∞

Learning

Never Stops

Experience

Professional journey and career milestones

Choyzenic

Co-Founder & CTO

Self-employed · Remote

Dec 2025 - Present

Co-Founder and Chief Technology Officer at Choyzenic, where I lead the development of AI-powered SaaS products for creators, businesses, and modern digital workflows. I oversee product strategy, software architecture, engineering, and scalable cloud infrastructure from idea to launch.

Key Responsibilities:

Architecting scalable AI SaaS products with a focus on performance, security, and user experience

Leading end-to-end product development across frontend, backend, DevOps, and cloud infrastructure

Building and mentoring the engineering team while establishing development standards and technical direction

Designing AI-powered content creation, automation, and multi-modal asset generation workflows

Driving product innovation from research and prototyping to production deployment and continuous iteration

Technologies & Skills:

AI Product DevelopmentSoftware ArchitectureTechnical LeadershipFull-Stack DevelopmentCloud InfrastructureDevOpsProduct StrategyTeam Leadership

Softmax Ltd

Full Stack Developer

Dhaka, Bangladesh · On-site

Dec 2024 - Present

Full Stack Developer at Bangladesh's first online engineering school. Building and maintaining the core platform serving 100K+ users with Django backend and Next.js frontend.

Key Responsibilities:

Managed AWS production servers with 99.9% uptime across EC2 and VPC infrastructure

Built and optimized RESTful APIs with Django REST Framework for high-traffic edtech workloads

Designed PostgreSQL schemas and optimized queries for fast data access at scale

Implemented Celery + Redis task queues for async email, notifications, and report generation

Containerized services with Docker for consistent dev and deployment pipelines

Developed frontend features with Next.js and TypeScript for the student-facing platform

Technologies & Skills:

PythonDjangoDjango REST FrameworkJavaScriptTypeScriptNext.jsCeleryRedisDockerAmazon VPCAmazon EC2AWSPostgreSQLRESTful APIs

FreshGerium

Co-Founder & CTO

Self-employed · Remote

Nov 2023 - Nov 2024

Co-Founder of a cutting-edge SaaS solution built specifically for small and medium-sized enterprises (SMEs), offering an all-in-one platform for seamless business management.

Key Responsibilities:

Spearheaded product architecture and design for scalability and efficiency

Developed core features including invoicing, customer management, and analytics dashboards

Led vision, strategy, and development spanning product design, backend development, UI/UX

Worked closely with early users to refine the platform through rapid iteration

Oversaw branding, positioning, and go-to-market strategy initiatives

Built and managed a lean team focused on delivering value to customers

Technologies & Skills:

SaaS DevelopmentProduct ArchitectureTeam LeadershipUI/UX Design

3W

Back End Developer

Noida, Uttar Pradesh, India · Remote

Mar 2024 - Sep 2024

Backend Developer building robust authentication systems, scalable APIs, and efficient product management features for client projects.

Key Responsibilities:

Implemented robust authentication and authorization mechanisms with session management and token-based authentication

Achieved secure resource access with average response time of less than 100 milliseconds

Created efficient product listings with advanced search, filter, and sort capabilities

Optimized database queries for fast and accurate search results

Developed expertise in debugging complex issues and designing scalable APIs

Created and maintained REST APIs using Node.js and implemented business and financial logic

Technologies & Skills:

Node.jsTypeScriptREST APIsAuthentication SystemsDatabase Optimization

Abba's Clan

Back End Developer

Freelance · Remote

Mar 2022 - Oct 2023

Freelance Backend Developer responsible for developing back-end components to enhance performance, server-side logic, and highly responsive web applications for a social storytelling platform.

Key Responsibilities:

Designed system architecture for a social storytelling platform

Built REST APIs with Django REST Framework for content management and user interactions

Designed and optimized PostgreSQL database schemas for performance

Collaborated with frontend developers on API integration and UI improvements

Technologies & Skills:

DjangoDjango REST FrameworkSystem ArchitectureDatabase DesignAPI Development

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Let's talk

Have a project, idea, or just want to say hi? My inbox is always open.