Shahzaman

Software Engineer

Jstay • Vollzeit

Jul 2025 - Present • 10 mos

Worked on a multi-tenant SaaS platform built with Laravel and Rust. The system handled operations for distributed facilities using 10+ Rust microservices with Kafka event-driven messaging and a Backend for Frontend layer. I built core backend APIs and identity systems including OTP and OAuth and passkey authentication. I also designed a 13-agent AI system using Claude Code for automated code review and testing and deployment. Built a conversational AI receptionist using Claude API with function calling. The stack included PostgreSQL and Redis and Docker with a Progressive Web App frontend and React Native mobile apps. • Built and integrated 10+ Rust microservices with a Backend for Frontend layer using Kafka event-driven messaging • Designed a 13-agent AI system using Claude Code for automated code review and testing and deployment • Built a conversational AI receptionist using Claude API with function calling for intake and scheduling • Built identity and auth systems with OTP and OAuth and passkey support and multi-identifier login • Worked on multi-tenant architecture with strict data isolation and REST APIs consumed by React Native and PWA

Full Stack Developer & Team Lead

Enzipe • Vollzeit

Sep 2023 - Jul 2025 • 1 yr 10 mos

Worked on AI-powered platforms serving 1M+ monthly users, including text processing tools, OCR solutions, and content optimization systems used by students, writers, and professionals. I also built business tools like a complete POS system with inventory and billing. My focus was backend architecture, database optimization, payment integrations, and keeping everything running smoothly under heavy traffic. • Developed and maintained Summarizer.org, a platform with 30+ AI-powered text tools • Scaled platform to 1M+ monthly users • Managed Imagetotext.io, an OCR tool for extracting text from images and PDFs • Built Minifier.org, a web asset optimization tool that ranks on the first page of Google • Built a complete Point of Sale (POS) system with inventory management and billing • Implemented subscription-based payment systems using Stripe and PayPal • Reduced API response times through optimization and caching • Mentored junior developers through code reviews and technical guidance

Senior Laravel Developer

TechTrack • Vollzeit

Dec 2022 - Sep 2023 • 9 mos

Built SaaS platforms and AI-integrated web applications from initial design to production. Worked on multi-tenant systems, payment integrations, and real-time features across different business domains. Led backend development while also contributing to frontend work using Vue.js and Inertia.js. This role involved close collaboration with designers and junior developers through code reviews and pair programming. • Designed and built Matgarli, a multi-tenant SaaS platform for order and product management • Implemented role-based access control and payment integrations • Led backend development for Taam AI, an AI platform combining text generation, image analysis, and a multilingual chatbot • Built real-time features using WebSockets • Designed clean REST APIs for frontend integration • Mentored junior developers and improved overall code quality