03/10/2026 updated
100 % available
Full Stack Engineer with AI and Cloud Infrastructure Expertise
Wroclaw, Poland
Only remote
Bachelor of Computer ScienceJavaScriptApplication Programming Interfaces (APIs)Artificial IntelligenceHTML5AuthenticationsAutomationCascading Style Sheets (CSS)Cloud ComputingDatabasesDatabase DesignDevOpsWeb DevelopmentPostgreSQLMongoDBMySQL
Full-Stack Web Development
Modern web architecture development using JavaScript/TypeScript ecosystems with React, Next.js, Node.js, and Express for scalable platforms
AI Systems Integration
AI-driven systems development integrating large language models, knowledge retrieval pipelines, and automated intelligent search solutions
Cloud Infrastructure and DevOps
Cloud-based applications deployment using Docker, Kubernetes, CI/CD pipelines, and microservices architecture for scalable backend services
Blockchain Development
Web3 application development with smart contracts using Solidity and Ethereum blockchain integration
Database Design and Optimization
PostgreSQL database schema design with advanced indexing, query optimization, and multiple database technologies including MySQL, MongoDB, Oracle
Frontend Technologies
Responsive web interfaces using React, Ethers.js, HTML5, CSS3, and Tailwind CSS for modern user experiences
Backend API Development
Scalable backend APIs using Node.js, Express, NestJS handling high-volume client requests and third-party service integration
Authentication and Security
Secure authentication systems implementation using OAuth2 with JWT and comprehensive security measures
Modern web architecture development using JavaScript/TypeScript ecosystems with React, Next.js, Node.js, and Express for scalable platforms
AI Systems Integration
AI-driven systems development integrating large language models, knowledge retrieval pipelines, and automated intelligent search solutions
Cloud Infrastructure and DevOps
Cloud-based applications deployment using Docker, Kubernetes, CI/CD pipelines, and microservices architecture for scalable backend services
Blockchain Development
Web3 application development with smart contracts using Solidity and Ethereum blockchain integration
Database Design and Optimization
PostgreSQL database schema design with advanced indexing, query optimization, and multiple database technologies including MySQL, MongoDB, Oracle
Frontend Technologies
Responsive web interfaces using React, Ethers.js, HTML5, CSS3, and Tailwind CSS for modern user experiences
Backend API Development
Scalable backend APIs using Node.js, Express, NestJS handling high-volume client requests and third-party service integration
Authentication and Security
Secure authentication systems implementation using OAuth2 with JWT and comprehensive security measures
Experience
Professional experience5 - 10 years
Freelancer since2025
Languages
ChineseNative speakerEnglishGoodPolishFluent
Project history
Designed and implemented AI-driven systems integrating large language models and knowledge retrieval pipelines for automation and intelligent search. Implemented document ingestion systems with automated text chunking and metadata tagging. Developed AI-powered assistants capable of contextual knowledge retrieval. Integrated large language model APIs into production web applications. Designed scalable vector search infrastructure using PostgreSQL with pgvector.
Led development of scalable web applications and backend services for international SaaS and ecommerce clients. Designed and implemented full-stack applications using React, Node.js, and TypeScript. Developed scalable backend APIs using Node.js and Express, handling high-volume client requests. Designed and optimized PostgreSQL database schemas with advanced indexing and query optimization. Implemented secure authentication systems using OAuth2 with JWT. Built microservices-based architecture to improve system modularity and maintainability. Containerized backend services using Docker and deployed them through CI/CD pipelines. Collaborated with distributed engineering teams and participated in architecture discussions.
Worked on enterprise digital platforms and cloud-based applications for clients in finance and retail sectors. Developed responsive web interfaces using React, TypeScript, HTML5, and CSS3. Integrated frontend applications with backend APIs and third-party services. Implemented backend services using Node.js and Express. Designed reusable UI component libraries to improve development efficiency. Participated in Agile development cycles including sprint planning, stand-ups, and code reviews. Assisted in migrating legacy applications to modern cloud infrastructure.