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Software engineer building high-performance systems and full-stack solutions. Focused on game server architectures and scalable infrastructure.

Warsaw, PolandAVAILABLE FOR HIRE
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Experience

CoCo 2.0

2025 - Present

Lead Developer (Contract)

Architecting and managing a high-traffic real-time system. Responsible for designing event-driven multiplayer architecture, ensuring 24/7 system availability, and operating high-performance backend scripting. Leading the engineering team, mentoring developers, and maintaining rigorous code quality standards through CI/CD pipelines.

Event-driven ArchitectureReactLuaTypeScriptNode.jsGitMySQL

GCamp Sp. z o.o.

2024 - Present

Full Stack Developer

Development of a comprehensive resource management platform migrated to a microservices-ready architecture. Key achievements include: Replaced legacy CMS with a robust NestJS + TypeORM backend, containerized the application using Docker, and implemented Redis for caching. Built a complex booking system with multi-participant flows, integrated Stripe payment processing, and created administrative panels for operational oversight.

ReactNext.jsNestJSTypeORMTypeScriptDockerRedisMySQLTailwind CSSGitStripe

FiveCity

2025 - 2025

Fullstack Developer (Project-based)

Engineered advanced logical modules for a large-scale real-time distributed system. Responsible for optimizing high-concurrency event handling and implementing custom backend logic.

Event-driven ArchitectureLuaReactTypeScriptGitMySQL

Davis 90's RP

2025 - 2025

Fullstack Developer (Project-based)

Developed specialized service modules for a legacy-emulation real-time application. Implemented period-specific data constraints and focused on immersive user experience through embedded logic optimization.

Event-driven ArchitectureLuaReactTypeScriptMySQL

DiamondRP

2024 - 2025

Lead Developer (Contract)

Architected and maintained a high-availability application from the ground up. Responsible for entire infrastructure including Linux server administration, firewall configuration, and security hardening. Designed complex economic modeling systems and state management solutions. Implemented CI/CD pipelines and managed deployment workflows. Led development of internal administrative tools.

Event-driven ArchitectureReactLuaTypeScriptNode.jsGitMySQL
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Stack

TypeScriptTyped programming language
RustGeneral purpose programming language
ReactFrontend web framework
Next.jsReact meta framework
TailwindCSSUtility-first CSS framework
LuaEmbeddable scripting language
Event-driven ArchitectureAsynchronous communication pattern
Node.jsJavaScript runtime
NestJSProgressive Node.js framework
ExpressWeb framework for Node.js
Passport.jsAuthentication middleware
JWTToken-based authentication
OAuthOpen authorization standard
MySQLOpen-source relational database
StrapiOpen-source headless CMS
DockerContainerization platform
RedisIn-memory data structure store
TypeORMORM for TypeScript and JavaScript
GitVersion control
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Featured Projects

GCamp Sp. z o.o.

GCamp Sp. z o.o.

GCamp is a comprehensive web platform for managing youth camps and summer programs. The system runs on a modern architecture using NestJS and TypeORM, fully containerized with Docker. It uses Redis for efficient caching and session management. Key features include an advanced booking system with Stripe integration, automated PDF generation for invoices, extensive administrative dashboards, and a responsive frontend built with React and Next.js.

#React#Next.js#NestJS#TypeORM#TypeScript#Docker
Launch ↗
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Contact

Interested in working together or have a question?

I'm currently looking for new opportunities and my inbox is always open.

email[email protected]githubLINK ↗cfxforumsLINK ↗discord@salam4n