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asapouya User

@asapouyauser

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Back-end engineer specializing in TypeScript and server-side systems.

Iran

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What I'm looking for

I seek backend roles focused on building reliable, performant server-side systems, working in collaborative teams, with opportunities to improve data integrity and scale services.

I am a back-end engineer with a strong focus on server-side technologies, TypeScript, and delivering domain-driven systems. I build reliable APIs and backend services, emphasizing data integrity, performance, and maintainability.

At Bitium agency I engineered MVP-ready systems using TypeScript, Express.js, and PostgreSQL, delivering features like booking, payments, KYC, messaging, and admin panels; I also built an online gold exchange and internal stock/price management systems. At Majara Group I re-engineered MongoDB index structures to achieve a 100% performance gain for core order operations.

I am proactive, communicate clearly with team members, and enjoy solving challenges such as preventing race conditions and avoiding vendor lock-in through isolated middleware and background processing. I am familiar with Docker, Redis, bullMQ, testing with Jest, and Linux environments.

Experience

Work history, roles, and key accomplishments

Current

Back End Engineer

Current

Bitium Agency

Feb 2025 - Present (1 year 4 months)

Engineered domain-driven backend systems using TypeScript, Express.js, and PostgreSQL to deliver MVPs; built a pet clinic app with booking, payments and KYC, an online gold exchange, and an internal stock/price management system while preventing race conditions via strategic DB locks.

TypeScript PostgreSQL Redis BullMQ Docker API Design Database Transactions

Back End Engineer

Majara Group

Oct 2023 - Jan 2025 (1 year 3 months)

Built and maintained MVC backend applications with JavaScript, Express.js and MongoDB; re-engineered indexes and queries to achieve a 100% performance gain for core orders database operations.

JavaScript MongoDB MVC Query Optimization Indexing Agile Git Performance Tuning

Back End Engineer

TritApp

Oct 2023 - Jan 2025 (1 year 3 months)

Designed and developed an isolated middleware for cloud file management to avoid vendor lock-in and implemented background event-processing to eliminate UI blocking and improve performance.

Middleware API Integration Cloud Storage Performance Optimization Docker Messaging