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Masoud Yousefi

@masoudyousefi

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Backend Engineer at AME-TAMA who built its e-commerce backend and APIs from scratch.

Armenia

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At AME-TAMA, I own backend architecture and feature delivery for a live e-commerce platform, building its NestJS, TypeScript, and PostgreSQL backend and APIs from scratch.

At Basina, I developed backend functionality for a live healthcare platform and implemented an EMR integration using REST APIs and direct interaction with the external system’s database.

At Hooshran, I built the backend and core business logic from scratch, including credit workflows and a service that relayed text and image requests to an external AI server.

At EvaSense, I served as the sole backend developer for a wholesale fragrance e-commerce platform. I integrated Hellow accounting software through RabbitMQ queues for product, customer, invoice, inventory, price, and order synchronization.

Experience

Work history, roles, and key accomplishments

Current

Founder & Backend Engineer

Current

AME-TAMA

Mar 2025 - Present (1 year 7 months)

Owned backend architecture and feature delivery for a live e-commerce platform, building its NestJS, TypeScript, and PostgreSQL backend and APIs from scratch. Developed product and commerce business logic and supported customer-facing functionality in Next.js and React.

NestJS TypeScript PostgreSQL Redis Next.js React Docker Nginx Imgproxy Traefik

Backend Developer

Basina

Mar 2025 - Jul 2026 (1 year 4 months)

Developed backend functionality and resolved production defects for a live healthcare platform spanning NestJS, Express.js, and Strapi services. Designed and implemented an EMR integration using REST APIs and direct interaction with the external system's database.

NestJS ExpressJS Strapi REST APIs EMR Integration

Backend Developer

Hooshran

Jul 2024 - Mar 2025 (8 months)

Built the backend and core business logic from scratch using NestJS, TypeScript, PostgreSQL, and Redis. Implemented JWT authentication and credit purchase, balance validation, usage accounting, and token deduction workflows.

NestJS TypeScript PostgreSQL Redis JWT Authentication

Backend Developer

EvaSense

Jul 2023 - Apr 2024 (9 months)

Served as sole backend developer for a wholesale fragrance e-commerce platform launching with approximately 1,000 products, built with NestJS, TypeScript, and PostgreSQL. Integrated Hellow accounting software through RabbitMQ queues and implemented Redis caching and pgvector-based product search.

NestJS TypeScript PostgreSQL Redis RabbitMQ Pgvector Performance Optimization