11/14/2025 updated
HM
100 % available
Senior Full Stack Developer with 7+ years experience in React.js, Node.js and AI technologies
Zary, Poland
Only remote
Bachelor's Degree in Computer ScienceFlutterJava (Programming Language)JavaScript.NET FrameworkPHPApplication Programming Interfaces (APIs)Artificial IntelligenceAmazon Web ServicesApple IOSUnit TestingC Sharp (Programming Language)Cascading Style Sheets (CSS)Mobile Application DevelopmentCloud ComputingDatabases
Full Stack Development
Expertise in building scalable web applications using React.js, Next.js, Vue.js, Node.js and various backend technologies including Python/Django, PHP/Laravel, C#/.NET, Golang, and Ruby.
AI & Machine Learning
Experience implementing AI-powered features using TensorFlow, PyTorch, LangChain, and LLM APIs to create intelligent solutions like chatbots and recommendation systems.
Mobile Development
Strong knowledge in iOS and Android mobile development with React Native, Flutter, Swift, and Java (Kotlin) for creating cross-platform applications.
Database Management
Proficiency with various database technologies including MySQL, PostgreSQL, MongoDB, Firebase, and Redis for ensuring data integrity and performance optimization.
DevOps & Cloud
Experience with Docker, Kubernetes, AWS, CI/CD pipelines, and cloud platforms to streamline deployment processes and ensure efficient application delivery.
Testing & Quality Assurance
Knowledge of testing methodologies and tools including Unit Testing, Jest, Vitest, PyTest, and Integration & E2E Testing for maintaining application stability.
UI/UX Development
Skills in creating responsive, interactive UIs with Tailwind CSS, Radix UI, CSS3, and Framer Motion to deliver seamless user experiences.
Expertise in building scalable web applications using React.js, Next.js, Vue.js, Node.js and various backend technologies including Python/Django, PHP/Laravel, C#/.NET, Golang, and Ruby.
AI & Machine Learning
Experience implementing AI-powered features using TensorFlow, PyTorch, LangChain, and LLM APIs to create intelligent solutions like chatbots and recommendation systems.
Mobile Development
Strong knowledge in iOS and Android mobile development with React Native, Flutter, Swift, and Java (Kotlin) for creating cross-platform applications.
Database Management
Proficiency with various database technologies including MySQL, PostgreSQL, MongoDB, Firebase, and Redis for ensuring data integrity and performance optimization.
DevOps & Cloud
Experience with Docker, Kubernetes, AWS, CI/CD pipelines, and cloud platforms to streamline deployment processes and ensure efficient application delivery.
Testing & Quality Assurance
Knowledge of testing methodologies and tools including Unit Testing, Jest, Vitest, PyTest, and Integration & E2E Testing for maintaining application stability.
UI/UX Development
Skills in creating responsive, interactive UIs with Tailwind CSS, Radix UI, CSS3, and Framer Motion to deliver seamless user experiences.
Experience
Professional experience5 - 10 years
Freelancer since2025
Languages
EnglishNative speaker
Project history
Designed and developed full-stack web applications using React.js, Next.js, Vue.js, and React Native. Built and optimized databases with MySQL, PostgreSQL, and MongoDB. Created AI-powered features including chatbots and recommendation systems. Integrated RESTful and GraphQL APIs for modern frontend interfaces. Deployed applications to cloud platforms with CI/CD pipelines.
Developed web applications using JavaScript, React.js, Angular, Laravel, PHP7, Django, C#, ASP.NET, and Ruby. Optimized mobile applications with Flutter, Swift, Java (Kotlin), Xcode, iOS SDK, SwiftUI, and Android Studio. Built and optimized databases with MSSQL and PostgreSQL. Collaborated on REST APIs and responsive UIs with HTML5, CSS3, and MaterialUI.