09/23/2025 updated
AP
100 % available
Senior Full Stack Developer
Prague, Czech Republic
Only remote
Bachelor of ScienceAbout me
I am a Full Stack Developer & AI Specialist with experience building scalable web applications and AI-driven solutions. I work across frontend, backend, and cloud systems to deliver products that are both technically strong and business-focused.
Query PerformanceUser Experience (UX)Application Programming Interfaces (APIs)Agile MethodologyArtificial IntelligenceApplication Performance ManagementArchitectureAtlassian JiraDatabasesContinuous IntegrationDevOpsDjangoScalabilityPython (Programming Language)PostgreSQL
Next.js and React Development
Advanced expertise in Next.js (App Router) and React frameworks for building high-performance web applications with optimized frontend architectures and SSR implementation.
AI Integration and Development
Experience implementing AI-powered interfaces using Vercel AI SDK, OpenAI API, and vector embeddings to enhance user experiences and content discovery.
Database Optimization
PostgreSQL database expertise with advanced knowledge of indexing, schema optimization, and query performance tuning to significantly reduce response times.
Frontend Technologies
Proficiency in modern frontend technologies including TypeScript, Vue.js, Tailwind, and shadcn for building consistent and maintainable UI components.
Backend Development
Strong backend skills with Node.js, Express, Python, Django, Flask, and Prisma for creating robust server-side applications.
Microservices Architecture
Experience migrating monolithic platforms to microservices architectures to improve system scalability and reduce deployment downtime.
Performance Optimization
Expertise in clean architecture, SSR, caching strategies, and database indexing to enhance application performance and user experience.
DevOps and Collaboration
Proficient with Git, CI/CD pipelines, Agile methodologies, Jira, and Figma for efficient development workflows and cross-functional collaboration.
Advanced expertise in Next.js (App Router) and React frameworks for building high-performance web applications with optimized frontend architectures and SSR implementation.
AI Integration and Development
Experience implementing AI-powered interfaces using Vercel AI SDK, OpenAI API, and vector embeddings to enhance user experiences and content discovery.
Database Optimization
PostgreSQL database expertise with advanced knowledge of indexing, schema optimization, and query performance tuning to significantly reduce response times.
Frontend Technologies
Proficiency in modern frontend technologies including TypeScript, Vue.js, Tailwind, and shadcn for building consistent and maintainable UI components.
Backend Development
Strong backend skills with Node.js, Express, Python, Django, Flask, and Prisma for creating robust server-side applications.
Microservices Architecture
Experience migrating monolithic platforms to microservices architectures to improve system scalability and reduce deployment downtime.
Performance Optimization
Expertise in clean architecture, SSR, caching strategies, and database indexing to enhance application performance and user experience.
DevOps and Collaboration
Proficient with Git, CI/CD pipelines, Agile methodologies, Jira, and Figma for efficient development workflows and cross-functional collaboration.
Experience
Professional experience10+ years
Freelancer since2011
Languages
EnglishFluent
Project history
Designed and implemented an AI-powered chat interface using Next.js 15 App Router and Vercel AI SDK, improving response accuracy by 35%. Built an interactive onboarding flow that increased activation rates by 40%. Optimized Postgres database queries through indexing and schema improvements, reducing response times by 50%. Led technical strategy discussions with product managers and designers.
Developed a modular component system with shadcn and Tailwind, improving design consistency and reducing frontend development time by 45%. Implemented AI-powered search functionality using vector embeddings and OpenAI API, enhancing content discovery by 30%. Refactored legacy authentication system with JWT and Firebase, reducing unauthorized access incidents by 90%. Collaborated with cross-functional teams to launch real-time dashboards.
Migrated a monolithic platform to a microservices architecture, improving system scalability. Implemented dynamic SSR and code-splitting in a Next.js application, reducing first-page load times by 50%. Designed and maintained Postgres schemas, optimizing database performance. Integrated AI-driven content recommendations, boosting user engagement by 25%.