# Pritam Ghosh - Full Site Context Full-Stack & AI Engineer building TypeScript/Next.js products, Go services, and LangGraph RAG systems. Immediate joiner targeting L4 / SDE II roles. Contact: contact.meghoshpritam@gmail.com ## Work: Agent Evaluation & Voice-UI Sync URL: https://mepritam.dev/work/agent-evaluation-and-voice-ui-platform/ Case study: Designing a voice-first agent (Gemini Live) with real-time UI screen synchronization, prompt versioning, and a unified agent evaluation framework. ## Work: Voice Agent Guardrails & Observability URL: https://mepritam.dev/work/voice-agent-guardrails-observability/ Case study: Architecting an auditable voice agent for tele-calling with multi-layer guardrails, secure tool execution, and OTel tracing. ## Work: B2B Retail GenAI Assistant URL: https://mepritam.dev/work/b2b-retail-genai-assistant/ Case study: GenAI shopping assistant for a B2B retail platform - LangGraph, JSON embeddings for RAG without a vector DB, built for commerce scale. ## Work: Gram Bahar URL: https://mepritam.dev/work/grambahar/ Gram Bahar: E-commerce hub with customer-friendly site & admin panel for seamless product management, orders, payments, and tracking. ## Work: Psicologo Scolastico URL: https://mepritam.dev/work/psicologoscolastico/ Hugo + Tailwind marketing site for a school psychologist: services, credentials, and contact in Italian. ## Work: Easy Quizzz URL: https://mepritam.dev/work/easy-quizzz/ High-traffic European quiz platform - 500K+ DAU, 99.9% uptime, ~25% API latency reduction via Redis caching and PostgreSQL tuning on a Next.js + Hugo stack. ## Work: Examdown URL: https://mepritam.dev/work/examdown/ High-performance Hugo static site delivering fast, searchable certification prep content with Tailwind and minimal JavaScript. ## Work: Psymargiotta URL: https://mepritam.dev/work/psymargiotta/ Italian-language Hugo site for a psychology practice: services, blog-style content, and contact - fast static delivery with Tailwind. ## Work: MyShop Reseller URL: https://mepritam.dev/work/myshop-reseller/ MyShop Reseller helps users resell products from MyShop merchants from home, as a React PWA with a mobile-first UI. ## Work: SCLN Legal Network URL: https://mepritam.dev/work/scln/ Multi-page Hugo site for SCLN Legal Network - tax and fiscal law firm - with Tailwind, Figma-based UI, and a news section for updates. ## Tech Note: Transactional Outbox and CDC for Distributed Systems URL: https://mepritam.dev/references/transactional-outbox-cdc-postgresql-kafka/ Cut dual-write inconsistencies and race conditions across distributed microservices using PostgreSQL WAL logical decoding and Kafka. ## Tech Note: Distributed Tracing in LLM Pipelines with OpenTelemetry URL: https://mepritam.dev/references/distributed-tracing-llm-opentelemetry/ How to instrument OpenTelemetry spans, track token consumption, and capture multi-turn agent tool calls across distributed LLM services. ## Tech Note: Replacing Jenkins with a Single-Binary Deploy Panel URL: https://mepritam.dev/references/minimal-internal-deploy-tool/ Architectural evaluation of zero-CI, local-execution internal deployment tools like deploy-panel, detailing pros, cons, security model, and decision matrix. ## Tech Note: Stateful Agent Orchestration with LangGraph URL: https://mepritam.dev/references/stateful-agent-orchestration-langgraph/ Design deterministic, cycle-safe multi-agent systems using LangGraph state machines with explicit transition states, guardrails, and runtime validation. ## Tech Note: Hybrid Retrieval and Cross-Encoder Reranking for RAG URL: https://mepritam.dev/references/beyond-vector-search-hybrid-retrieval-reranking/ How to combine BM25 keyword search with dense vector embeddings and cross-encoder reranking for reliable production RAG systems. ## Tech Note: Type-Safe LLM Outputs with Zod and JSON Schema URL: https://mepritam.dev/references/constraining-llms-structured-outputs-zod-jsonschema/ Bypass fragile prompt engineering with runtime-checked, schema-constrained LLM outputs in production TypeScript pipelines. ## Tech Note: Building a GenAI Chatbot Without a Vector DB URL: https://mepritam.dev/references/building-genai-chatbot-without-vector-database/ How we built a production LangGraph GenAI chatbot with JSON embeddings and semantic retrieval, achieving 95% Jest coverage without a vector database. ## Tech Note: Clean Code: Rules and Best Practices for Readable Software URL: https://mepritam.dev/references/clean-code/ A summary of clean code principles, design rules, naming conventions, and testing practices to help you write maintainable, readable software. ## Tech Note: The Best of the Best Practices (BOBP) Guide for Python URL: https://mepritam.dev/references/python-best-practices/ A compilation of the best of the best practices (BOBP) for developing clean, performant, readable, and highly maintainable Python applications. ## Tech Note: System design cheat sheet URL: https://mepritam.dev/references/system-design-cheatsheet/ A practical cheat sheet for system design and architecture, covering trade-offs, scalability, microservices, load balancing, caching, and databases. ## Tech Note: Frontend Development Bookmarks URL: https://mepritam.dev/references/frontend-development-bookmarks/ Curated collection of frontend development bookmarks, design assets, performance tips, and CSS utilities gathered from years of professional web engineering. ## Tech Note: Reactive Programming URL: https://mepritam.dev/references/reactive-programming/ An easy-to-understand introduction to reactive programming, explaining RxJS observables, data streams, and asynchronous event-driven architectures. ## Tech Note: Windows 11 | Windows 10 Setup URL: https://mepritam.dev/references/windows-10-windows-11-setup/ Detailed setup guide for configuring Windows 11 and Windows 10 for web development, featuring WSL2, terminal optimization, and development toolchains. ## Tech Note: Setup Ubuntu 22.04 for Developer URL: https://mepritam.dev/references/setup-ubuntu-22-04/ Setup guide to configure Ubuntu 22.04 LTS Desktop for web developers, featuring terminal tuning, editor configs, and docker installation instructions. ## Tech Note: Setup Node.js, Nginx, SSL to server URL: https://mepritam.dev/references/setup-node-nginx-ssl/ Learn how to deploy a Node.js server behind Nginx as a reverse proxy and configure free SSL certificates from Let's Encrypt on Ubuntu or Debian hosts. ## Tech Note: Setup ESLint, Prettier, EditorConfig, and JSConfig in React Apps URL: https://mepritam.dev/references/setup-eslint-prettier-editorconfig-jsconfig-in-react-apps/ A practical guide to configuring ESLint, Prettier, EditorConfig, and JSConfig in React projects to automate linting, code formatting, and import resolution. ## Tech Note: Install PostgreSQL in Ubuntu 20.04 URL: https://mepritam.dev/references/install-postgresql-in-ubuntu-2004/ Step-by-step developer guide to installing PostgreSQL on Ubuntu 20.04 LTS, setting up a database user, and configuring secure remote access connections. ## Tech Note: Comparison among different operating systems URL: https://mepritam.dev/references/comparison-among-desktop-operating-systems/ Comparison among different operating systems considering the features like user convenience, support, adaptability, safety, security etc. ## Tech Note: Awesome Design Tools URL: https://mepritam.dev/references/awesome-design-tools/ A working index of design tools, plugins, UI kits, and conferences for product designers and developers. ## Tool: Font File Downloader URL: https://mepritam.dev/tools/font-file-downloader/ Download font files with automatically modified CSS styling. A handy client-side tool optimized for developers self-hosting web fonts securely and easily. ## Tool: Plain Text Editor for Clean Copy URL: https://mepritam.dev/tools/text-editor/ Clean AI drafts into personal plain text, then copy without dark-mode background formatting for Gmail and chat. ## Tool: Gold & Silver Price Calculator URL: https://mepritam.dev/tools/gold-silver-calculator/ Calculate the real-time price of gold and silver based on weight and current market rates with this free, interactive, client-side currency calculator. ## Tool: Attendance Tracker URL: https://mepritam.dev/tools/attendance-tracker/ Track attendance, manage daily check-ins, and export digital records efficiently using this lightweight, client-side, browser-based tracker tool.