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PORTFOLIO/2026

PritamChakroborty

Founders and operators come to me when they need AI built properly — not wrapped around GPT, not prototyped, but production-grade and actually solving the business problem.

TECHNICAL FOCUS

  • Next.js
  • React
  • TypeScript
  • LangChain
  • Python
  • LangGraph
  • Node.js
  • RAG
  • Agentic Workflows
  • Automation

BUSINESS OUTCOMES

  • AI Automation
  • MVP Development
  • LLM Integration
  • Workflow Systems
  • Agentic Pipelines
Available for workKolkata, IndiaSoftware Developer @ Prep-Piper
Work With Me→Resume→Book a Call
Selected Work6 Projects

Products with sharp UX
and real-world utility.

I focus on interfaces that explain themselves quickly, ship fast, and hold up under real product use.

Project 01
Trupas Merchant Identity Infrastructure

Trupas Merchant Identity Infrastructure

A hardware-meets-software verification system for front desks: kiosk scanning, offline resilience, tamper alerts, and an audit-ready operations console.

Next.jsTypeScriptFramer MotionDashboard UXHardware Product
Project 02
Prep Piper AI Interviewer

Prep Piper AI Interviewer

AI-powered mock interviews with adaptive questioning, live feedback, analytics, and coaching flows built for serious interview prep.

Next.jsTypeScriptAI SDKLangChainAnalytics
Project 03
Private
Zapier Automation

Zapier Automation

An event-driven automation platform with webhook ingestion, Kafka-powered workflow routing, and secure operational dashboards.

Next.jsNode.jsKafkaPostgreSQLPrisma
Project 04
Private
PlayTM Demo App

PlayTM Demo App

A wallet experience with transfers, beneficiary management, money requests, and transaction visibility in a compact UI.

Next.jsPrismaPostgreSQLTailwind CSS
Project 05
Private
Readium

Readium

A Medium-inspired reading product with writing, favorites, profile views, and a distraction-light content experience.

ReactTypeScriptPrismaHono
Project 06
PictureWhisperAI

PictureWhisperAI

Image upload and AI-assisted visual interpretation with rate limiting, response generation, and a focused single-purpose flow.

Next.jsOpenAI APITypeScript
System Stack

My Arsenal

My toolkit evolves with every project — from crafting seamless user interfaces to building intelligent backend systems and deploying production-grade AI workflows.

01Languages
JavaScriptPythonTypeScript
02Frontend
ReactNext.jsTailwind CSSFramer Motion
03Backend
Node.jsExpressPythonREST APIs
04Database & Infrastructure
PostgreSQLPrismaDockerRedisKafkaAWS
05AI Toolkit
LangChainLangGraphCrew AIRAG SystemsAgentic WorkflowsOpenAI API
06Production & Deployment
AWSDockerCI/CDVercelPerformance
FULL STACK // AI SYSTEMS // PRODUCTION GRADE
System ProfileKolkata, India

About Me

I build full-stack AI products that ship fast and hold up in production. From LangGraph agentic pipelines to production Next.js dashboards, I take ownership of the full system — architecture, backend, frontend, and deployment.

Currently building Prep-Piper, an AI-powered interview platform, and open to the right product or consulting opportunity.

Telemetry
Years Building0+
Projects Shipped0
AI SpecialtyLangGraph · RAG
AvailabilityOpen
Experience4 Roles

Roles, teams, and product impact.

A cleaner view of the work done across product delivery, full-stack systems, and AI engineering.

Prep-Piper

Software Developer

2025 — Present
Developed and maintained the core AI and full-stack architecture for Prep-Piper, an AI-powered interview preparation platform.
Implemented advanced Agentic Workflows and RAG Systems to deliver personalized, real-time interview analysis and feedback.
Key technologies: Next.js, React, TypeScript, Node.js, LangChain, LangGraph.
TruPass

Full Stack Developer

2025 — 2026
Owned end-to-end architecture and development of the TruPass merchant platform — from system design and PostgreSQL schema to frontend UI and Python backend APIs, containerized with Docker and deployed on AWS.
Designed and built RESTful backend services in Python with Redis caching to power merchant operations including billing, access control, and team management.
Engineered a full-featured merchant dashboard with real-time analytics and transaction visibility using Next.js, React, and Tailwind CSS.
Chingu

Frontend Developer

Dec 2023 — Mar 2024
Developed interactive web experiences with dynamic motion and spotlight-driven visual depth using Next.js, Framer Motion, and Tailwind CSS.
Mentored a team of five developers using Agile methodology, improving delivery predictability by 60%.
0101 DIGIT ALL

Trainee Full Stack Developer

Feb 2023 — Apr 2023
Developed and deployed a resumeless hiring platform using reusable React components, improving future development speed by 25%.
Collaborated with senior developers during daily stand-ups, increasing sprint velocity by 30% and reducing bug-related rework by 45%.
MISSION STATUS // ALL SYSTEMS

Working with Clients

I also build for founders and operators who need AI execution, not just advice.

  • →Building an AI product with no technical co-founder — I own the full build end to end.
  • →Running a team on manual workflows that should be automated — I build the agentic system that runs it instead.
  • →Have a working product that needs AI features — I integrate cleanly without breaking what's live.
SEE HOW I WORK WITH CLIENTS →
Published Work

My Writings

Sharing learnings and explorations in generative AI, fullstack development, and the journey of building products that matter.

#TitleCategoryDateRead
01

Prompting Techniques: Your Toolkit for Mastering AI Communication

A beginner's guide on basics of prompting techniques. Learn how to craft effective prompts to get the best results from AI models like GPT-4 and Claude.

AI & LLMs·Nov 4, 2025·12 min
01

Prompting Techniques: Your Toolkit for Mastering AI Communication

A beginner's guide on basics of prompting techniques. Learn how to craft effective prompts to get the best results from AI models like GPT-4 and Claude.

AI & LLMsNov 4, 202512 min
02

Beyond Prompts: The Rise of Context Engineering

Why modern AI systems need more than good prompts, and how context engineering changes the way we design reliable model behavior.

AI & LLMs·Oct 28, 2025·15 min
02

Beyond Prompts: The Rise of Context Engineering

Why modern AI systems need more than good prompts, and how context engineering changes the way we design reliable model behavior.

AI & LLMsOct 28, 202515 min
03

Prompt Engineering: The Art of Effective AI Communication

A practical look at how better prompt design improves output quality, control, and consistency across real product workflows.

AI & LLMs·Oct 15, 2025·10 min
03

Prompt Engineering: The Art of Effective AI Communication

A practical look at how better prompt design improves output quality, control, and consistency across real product workflows.

AI & LLMsOct 15, 202510 min
04

Deep Agents: LangChain Context Engineering in Action

A practical look at how deeper agent workflows and context engineering come together inside LangChain-based systems.

AI & LLMs·Oct 8, 2025·14 min
04

Deep Agents: LangChain Context Engineering in Action

A practical look at how deeper agent workflows and context engineering come together inside LangChain-based systems.

AI & LLMsOct 8, 202514 min
05

RAG Systems Explained: Building Intelligent Document Assistants

Understand Retrieval-Augmented Generation from first principles. Build a document Q&A system using embeddings, vector databases, and LLMs.

AI & LLMs·Sep 30, 2025·18 min
05

RAG Systems Explained: Building Intelligent Document Assistants

Understand Retrieval-Augmented Generation from first principles. Build a document Q&A system using embeddings, vector databases, and LLMs.

AI & LLMsSep 30, 202518 min
06

PostgreSQL & Prisma: Building Type-Safe Database Applications

Leverage Prisma ORM with PostgreSQL to write type-safe, scalable database code with zero runtime errors.

Database·Sep 22, 2025·11 min
06

PostgreSQL & Prisma: Building Type-Safe Database Applications

Leverage Prisma ORM with PostgreSQL to write type-safe, scalable database code with zero runtime errors.

DatabaseSep 22, 202511 min
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Pritam Chakroborty

KOLKATA, INDIA // UTC+5:30