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M2002HR/README.md

Mohammad Hossein Rezayati — AI and Backend Engineer

Hi, I’m Mohammad Hossein Rezayati

I build AI-enabled backend systems, automation platforms, product infrastructure, and developer tools. My work combines software architecture, applied AI, data workflows, client integrations, and production operations.

My product experience includes Takaaneh, Paknevis, and Pajoohyar, where I have worked across full-stack development, backend services, browser and desktop integrations, data and AI features, deployment, and operational infrastructure.

What I work on

  • AI systems: LLM applications, AI gateways, agents, RAG, STT, TTS, NLP, and multimodal workflows
  • Backend and platform engineering: FastAPI, APIs, WebSocket systems, PostgreSQL, Redis, queues, background jobs, and service integration
  • Automation: Telegram and messaging workflows, browser automation, provider routing, retry and failover, and orchestration
  • Product engineering: TypeScript, browser extensions, desktop JavaScript applications, dashboards, RTL interfaces, and PDF workflows
  • Infrastructure: Linux, Docker, Docker Compose, CI/CD, service operations, logging, deployment, and production troubleshooting

Selected systems

Project Engineering focus
OCTOPUS Durable Telegram control plane for AI-assisted software engineering with PostgreSQL, Redis Streams, persistent sessions, browser automation, artifacts, and voice workflows
Ajil Unified AI Gateway Multi-provider AI gateway with routing, failover, observability, WebSocket support, chat, vision, embeddings, image, STT, and TTS capabilities
Lemon Editor Extension TypeScript monorepo combining a Chrome MV3 extension, Express service, rich editing, PDF generation, and RTL/LTR support
Speech-to-Text FastAPI Service FastAPI speech pipeline with FFmpeg preprocessing, local and remote transcription providers, model management, jobs, dashboard, and OpenAPI
Answer Sheet OMR Configurable computer-vision pipeline for answer-sheet alignment, bubble detection, grading, PDF batches, and explainable artifacts
EchoLingua Multilingual TTS and audio-generation workflow with provider routing, recipe-based plans, caching, persistence, and Telegram delivery

More projects

Core stack

Languages: Python, TypeScript, JavaScript, SQL

Backend: FastAPI, Laravel, Flask, Express, REST APIs, WebSocket, background jobs, provider integrations

Data: PostgreSQL, MySQL, Redis, SQLite, Pandas, NumPy

AI and automation: LLM applications, AI agents, Hugging Face, PyTorch, TensorFlow, RAG, STT, TTS, NLP, n8n

Infrastructure: Linux, Docker, Docker Compose, CI/CD, systemd, Cloudflare Workers, FFmpeg

Engineering quality: pytest, Ruff, mypy, integration testing, load testing, structured logging, operational documentation

Engineering principles

I prefer systems that are:

  • observable rather than opaque,
  • recoverable rather than memory-only,
  • explicit about trust and security boundaries,
  • testable at component and integration levels,
  • documented for operation as well as development,
  • honest about implemented features and current limitations.

Current focus

I am currently focused on reliable AI workflows, agentic automation, backend architecture, developer tooling, and production infrastructure.

Links

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  1. OCTOPUS OCTOPUS Public

    Durable Telegram control plane for AI-assisted software engineering with persistent sessions, PostgreSQL state, Redis Streams, browser automation, artifacts, and Telethon voice workflows.

    Python

  2. Ajil_Unified_AI_Gateway Ajil_Unified_AI_Gateway Public

    Unified multi-provider AI gateway for chat, vision, embeddings, image, STT, and TTS with routing, failover, observability, WebSocket support, and an admin studio.

    Python 1

  3. Lemon_Editor_Extension Lemon_Editor_Extension Public

    TypeScript monorepo combining a Chrome MV3 editor extension, Express API, and Markdown/HTML-to-PDF workflow with RTL/LTR support and quality checks.

    TypeScript

  4. Speech_to_Text_FastAPI_Service Speech_to_Text_FastAPI_Service Public

    FastAPI service for local and provider-backed speech-to-text with FFmpeg preprocessing, model management, background jobs, dashboard, and OpenAPI interfaces.

    Python 1

  5. Answer_Sheet_OMR Answer_Sheet_OMR Public

    Configurable computer-vision pipeline for answer-sheet alignment, bubble detection, grading, batch PDF processing, and explainable debug artifacts.

    Python 2

  6. EchoLingua EchoLingua Public

    Multilingual TTS and audio-generation workflow for language shadowing with provider routing, recipe-driven plans, caching, manifests, persistence, and Telegram delivery.

    Python 1