08/11/2026 updated
100 % available
Full Stack Developer & AI Integration | SAAS | React/Next.js | Python/FastAPI/Django, Node.js | API
Koszalin, Poland
Only remote
Bachelor's Degree in Computer EngineeringAbout me
Senior Full Stack Developer with 7+ years of experience. I specialize in scalable web apps, AI integration, and business-driven solutions using React, Python, Node.js, FastAPI, and Django. Focused on clean code, performance, and long-term ROI. Let’s build systems that scale and drive results.
Tailwind CSSLangChainSupabaseHTMLJava (Programming Language)JavaScriptBootstrap (Software)Cascading Style Sheets (CSS)CodeIgniterDjangoGitHubjQueryPython (Programming Language)Relay Ladder LogicLaravel
Frontend Development
Expertise in modern frontend frameworks and libraries including React, Redux, Vue, Angular, and TypeScript. Proficiency in building pixel-perfect, responsive UIs using HTML5, CSS3, Sass, Tailwind CSS, Bootstrap, and jQuery.
Backend Development
Strong background in server-side development using Node.js, Express, FastAPI, Django, Spring Boot, Laravel, CodeIgniter, and RESTful API design. Experience with Java and Python for backend solutions.
Cloud Technologies & DevOps
Hands-on experience with AWS services including EC2, Amplify, Lambda, SNS, SQS, and S3. Deployment and automation using CI/CD pipelines with GitHub, GitLab, Jenkins, and Jira.
Database Management
Proficiency in relational and non-relational databases including MySQL, PostgreSQL, MongoDB, Oracle, AWS DynamoDB, Supabase, and Firebase.
API Integration
Experience integrating RESTful APIs and GraphQL into web applications, ensuring seamless communication between frontend and backend systems.
Python & AI Development
Knowledge of Python-based frameworks such as FastAPI and Django, with involvement in AI development projects.
Version Control
Proficient use of version control tools including GitHub, GitLab, Jira, and Jenkins for collaborative software development and project management.
Authentication & Security
Implementation of JWT token authorization and authentication using Node.js and AWS Cognito to secure web applications.
Expertise in modern frontend frameworks and libraries including React, Redux, Vue, Angular, and TypeScript. Proficiency in building pixel-perfect, responsive UIs using HTML5, CSS3, Sass, Tailwind CSS, Bootstrap, and jQuery.
Backend Development
Strong background in server-side development using Node.js, Express, FastAPI, Django, Spring Boot, Laravel, CodeIgniter, and RESTful API design. Experience with Java and Python for backend solutions.
Cloud Technologies & DevOps
Hands-on experience with AWS services including EC2, Amplify, Lambda, SNS, SQS, and S3. Deployment and automation using CI/CD pipelines with GitHub, GitLab, Jenkins, and Jira.
Database Management
Proficiency in relational and non-relational databases including MySQL, PostgreSQL, MongoDB, Oracle, AWS DynamoDB, Supabase, and Firebase.
API Integration
Experience integrating RESTful APIs and GraphQL into web applications, ensuring seamless communication between frontend and backend systems.
Python & AI Development
Knowledge of Python-based frameworks such as FastAPI and Django, with involvement in AI development projects.
Version Control
Proficient use of version control tools including GitHub, GitLab, Jira, and Jenkins for collaborative software development and project management.
Authentication & Security
Implementation of JWT token authorization and authentication using Node.js and AWS Cognito to secure web applications.
Languages
EnglishNative speaker
Project history
Frontend development with modern JS frameworks (React/Hook/Function, Angular, Vue). API integration with RESTful API and GraphQL. Implemented UIs with SCSS, Sass, Bootstrap, Tailwind CSS, and jQuery. Deployed the frontend app using AWS and Firebase.
Managed and supported many applications using React/Redux/Bootstrap. Research and development of web applications with Angular2 (TypeScript), MongoDB, Express.js, and Node.js. Delivered projects on time and as specified. Developed websites with Laravel and jQuery. Customized layouts using HTML, CSS, and JavaScript.
Implemented RESTful API using Node/Express and Django. Built the backend API using AWS Lambda, API Gateway, MySQL, and PostgreSQL. Developed frontend of applications with React and Vue. Deployed web applications with AWS Amplify, EC2, S3, and Firebase. JWT token authorization and authentication using Node.js and AWS Cognito.