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Hassan Mohagheghian

@hassanmohagheghian

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Senior Backend Engineer at Independent Contractor building WorkGraph and an AI-powered career intelligence platform.

Armenia

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At Independent Contractor, I architected WorkGraph, a multi-tenant backend platform using FastAPI, JWT authentication, RBAC, and PostgreSQL. I also built an AI-powered career intelligence platform that analyzes jobs and companies, scores opportunities, and recommends career paths.

Previously, I developed invoice and ERP services at IDEX, including an invoice microservice that processed invoices 3x faster. At Payampardaz, I maintained a SIEM platform and led a migration from Python 2 to Python 3 and Django 1 to Django 3.

Experience

Work history, roles, and key accomplishments

Current

Senior Backend Engineer

Current

Independent Contractor

Oct 2026 - Present (0 months)

Architected WorkGraph, a multi-tenant backend platform using FastAPI, JWT authentication, RBAC, and PostgreSQL. Built an AI-powered career intelligence platform using Python, FastAPI, and React.

fastAPI JWT RBAC PostgreSQL Python React AI

Senior Backend Engineer

IDEX

Sep 2023 - Sep 2025 (2 years)

Developed a high-performance invoice microservice in Python, achieving 3x faster processing. Architected ERP backend systems using AWS, improving response time by 60% and engineering productivity by 35%. Modernized legacy systems and mentored junior developers.

Python AWS ERP Microservices Legacy Modernization Mentorship Test Driven Development

Senior Backend Engineer

Hengam

Mar 2022 - Mar 2023 (1 year)

Delivered AI-powered Shopify SaaS services using Python and AWS, increasing merchant revenue by 20%. Optimized real-time restock notification system and reduced system coupling by 20% through refactoring.

Python AWS Shopify AI Real Time Systems Refactoring

Backend Engineer

Payampardaz

Mar 2018 - Mar 2021 (3 years)

Maintained a SIEM console platform managing microservices with Kubernetes and Docker, reducing production bugs by 30%. Owned a ticketing platform and implemented a WebSocket-based notification system, reducing latency by 60%. Led migration from Python 2 to Python 3 and Django 1 to Django 3.