Muhammad Shahiryar
Senior Software Engineer · MERN + AI
I build production systems that scale.
6 years engineering SaaS platforms, high-throughput APIs, and cloud-native systems. Currently building an AI-powered recruitment platform — RAG assistants, real-time messaging, and cloud telephony — after shipping email systems processing 100K+ messages daily with 95%+ deliverability.
Technologies I work with
What I Bring to Your Team
Not just code — production-grade systems with measurable business impact
Production Scale
Email systems handling 100K+ daily messages with 99.9% uptime and 95%+ deliverability
Real-Time & Integrations
WebSocket messaging, Twilio cloud dialers, and marketplace apps (Slack, n8n) serving 50+ enterprise clients
Cloud Architecture
Serverless systems on AWS that reduced infrastructure costs by 40%
AI/LLM Engineering
RAG conversational assistants with OpenAI, LangChain & LangSmith — plus AI features that lifted response rates by 25%
Quality Engineering
85% test coverage, CI/CD pipelines, and code review standards reducing bugs by 35%
Technical Leadership
Driving architecture decisions and establishing development standards for teams
Senior Engineer. Production Systems. Real Impact.
Senior Software Engineer with 6 years shipping production SaaS platforms. I specialize in full-stack MERN development, cloud architecture, and AI/LLM integration — with a track record of building software that handles real traffic and serves real enterprise clients.
6 Years in Production
7 SaaS products shipped to production, serving real users
AWS Certified
Cloud Practitioner with 40% infrastructure cost reduction
High-Throughput Systems
Email systems processing 100K+ daily with 95%+ deliverability
Technical Leadership
Architecture decisions and development standards for teams
Enterprise Scale
Published Slack & n8n apps serving 50+ enterprise clients
AI/LLM Engineering
RAG assistants with OpenAI & LangChain, plus AI features improving response rates by 25%
What I Bring to the Table
I build systems, not just features. From AI-powered email platforms processing 100K+ messages daily, to timezone-agnostic notification engines serving 15+ countries, to marketplace integrations for 50+ enterprise clients — I architect, ship, and scale production software.
Today I'm building AI-powered products end to end: RAG conversational assistants with OpenAI, LangChain, and LangSmith, real-time messaging over WebSockets, and cloud telephony with Twilio — on top of robust NestJS APIs, optimized databases (MongoDB, PostgreSQL, DynamoDB, Redis), and serverless AWS architectures.
I've published apps to the Slack Marketplace and n8n community, integrated OpenAI for business automation, and established development standards that reduced production bugs by 35%. I care about code quality, system design, and shipping software that works at scale.
Key Accomplishments
- •RAG Assistant in Production — Conversational AI over knowledge bases and live application data with OpenAI, LangChain & LangSmith
- •100K+ Daily Email Processing — Built AI-powered email systems with 95%+ deliverability and 99.9% uptime
- •Slack Marketplace App — Designed and published production app meeting enterprise security requirements
- •40% Infrastructure Cost Reduction — Serverless architecture on AWS Lambda vs traditional EC2 deployment
- •75% Query Performance Improvement — MongoDB optimization from 800ms to 200ms average response
- •15+ Countries Served — Timezone-agnostic notification system with zero timezone-related failures
