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Shahmar Rzayev

@shahmarrzayev

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Backend Software Engineer building scalable, production-ready Node.js services and secure REST APIs.

Azerbaijan

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What I'm looking for

I’m looking for a backend role where I can build scalable Node.js/NestJS services, design clean REST APIs, and own performance and reliability. I want a team that values maintainable architecture, CI/CD, and long-term system growth.

Backend Software Engineer with 3+ years of experience designing and building scalable backend systems using Node.js, NestJS, Express.js, and MongoDB/PostgreSQL.

My experience includes developing RESTful APIs, integrating payment gateways and third-party services, building background jobs, and delivering backend solutions for e-commerce and commercial products. I focus on writing clean, maintainable code and building secure, reliable systems that scale.

I have hands-on experience with Docker, CI/CD pipelines, API integrations, Redis, and production deployments. I've collaborated with cross-functional teams to deliver backend solutions that support real business needs, while also contributing to frontend projects using React, GSAP, and Three.js when required.

Experience

Work history, roles, and key accomplishments

Backend Developer

Looptech

Jan 2025 - Jun 2026 (1 year 5 months)

Developed backend services for zuvand.az using NestJS and MongoDB, building a scalable and secure API infrastructure. Implemented CI/CD pipelines and Docker-based containerization, and is currently working on an e-commerce platform focusing on order processing, user management, and secure payment flows.

NestJS MongoDB Backend API Security CI CD Docker E Commerce Backend Order Processing

Fullstack Developer

Looptech

Feb 2024 - Jan 2025 (11 months)

Developed interactive, scroll-based animations for commercial web platforms using GSAP, Three.js, and CSS animations. Built performance-optimized visual experiences and collaborated with designers to deliver responsive, brand-consistent frontend experiences.

JavaScript CSS Animations Scrolling Performance Optimization Frontend UI Transitions

Node.js Developer

Looptech

May 2023 - Feb 2024 (9 months)

Built a RESTful API from scratch for santral.az using Express.js and MongoDB. Refactored the payment system to implement customer cashback, integrated automated data synchronization via 1C, and deployed/maintained the production application.

RESTful APIs MongoDB Payment Systems Cashback Mechanism Maintenance

Node.js Developer

Codio Solutions

Sep 2021 - Mar 2022 (6 months)

Developed backend services and API functionality for the World-Telecom platform. Diagnosed and resolved critical issues related to MongoDB and backend infrastructure stability to improve system reliability and performance.

Backend Services API Development MongoDB System Reliability