Hamed

Hamed Fouladi
Fullstack Software Engineer | Node.js / React Developer
📧 [відкрити контакти](див. вище в блоці «контактна інформація») | 📞 [відкрити контакти](див. вище в блоці «контактна інформація») | 🌍 Kyiv, Ukraine
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Summary
Fullstack Software Engineer with 4+ years of experience building real-time, high-load systems across multiple platforms, including gaming services. Specialized in Node.js, SQL/NoSQL, Redis, and REST/WebSocket API architecture. Focused on clean code, performance optimization, and scalable infrastructure.
Experience
Fullstack Developer | Enixan
Mar 2023 – Feb 2025
- Built and maintained real-time game servers using Node.js (Socket.IO & REST APIs).
- Optimized MongoDB performance with indexes and schema refactoring.
- Created asynchronous background processing via BullMQ and Redis.
- Performed load and stress testing with Artillery (WebSocket + HTTP).
- Delivered admin dashboards and interactive visualizations (online stats, IAP validation, event calendars).
- Ensured system scalability, security, and maintainability.
Node.js Developer | DashDevs
Dec 2021 – Aug 2023
- Developed REST APIs and backend services using Node.js.
- Migrated architecture to microservices, reducing inter-module coupling.
- Refactored legacy code for better modularity and performance.
- Optimized AWS infrastructure with Lambda, DynamoDB, and CloudWatch.
- Wrote tests to ensure system stability and quality.
Node.js Developer | Telesens IT
Mar 2021 – Aug 2021
- Designed and maintained backend architecture using Node.js and Express.
- Ensured performance and uptime of critical systems.
PHP Web Developer | TempStars
Feb 2020 – Mar 2021
- Built web platforms using PHP and Laravel.
- Managed AWS infrastructure (EC2, S3, RDS, CloudWatch).
- Delivered robust backend services and monitoring solutions.
SEO Specialist | NDA
Apr 2018 – Jan 2020
- Increased search engine visibility through strategic SEO initiatives.
- Conducted keyword research and content optimization.
Key Achievements
- Reduced server response time by over 90% (from 7000 ms to 100 ms) using BullMQ, Redis, and optimized MongoDB queries.
- Designed scalable real-time infrastructure supporting 2M+ users and 50k+ concurrent connections.
- Cut MongoDB load by over 60% via Redis-based caching.
- Implemented fault-tolerant background processing and queuing.
- Hardened authentication with JWT and role-based access.
- Built a comprehensive testing strategy with Jest and Artillery for real-world simulation.
Skills
Node.js, NestJS, Express, Koa, React.js, JavaScript, TypeScript, MySQL, SQLite, MongoDB, PostgreSQL, Redis, BullMQ, Grafana, Docker, Jest, Artillery, Jasmine, REST API, GraphQL, WebSockets, Socket.IO, AWS (EC2, Lambda, DynamoDB, CloudWatch, S3), Git, GitHub, CI/CD, HTML, CSS, JSON, OOP, SOLID, TDD, E2E, Linux, PHP, Laravel, MVC, GameDev, SEO, OWASP