09/29/2026 updated
100 % available
Senior Frontend / Full-Stack Developer - React, Next.js, TypeScript
Osijek, Croatia
Only remote
Master of Computer Science (Mag.ing.comp.) - Software EngineeringAbout me
Developer with ~10 years of experience building production software and business solutions. I help people, small teams and startups get exactly the functionality they need — without unnecessary complexity or subscriptions. I work end-to-end: planning, architecture, implementation and delivery.
PWAJavaScriptWeb DevelopmentUi PatternsNext.jsTypeScriptReact.jsDesign Analysis
React & TypeScript Development
Expertise in building production-grade web applications using React and TypeScript, including advanced patterns such as React Context, Redux, React Hook Form, and component-driven architecture with Storybook.
Next.js & Modern Frontend Architecture
Deep knowledge of Next.js App Router, Server Components, Server Actions, SSR/SSG/ISR rendering strategies, and deployment on Vercel for scalable, performant web applications.
Full-Stack Development with Node.js & Supabase
Hands-on experience building full-stack features using Node.js, Supabase, PostgreSQL, REST APIs, Keycloak, and Server Actions, covering both frontend and backend layers of modern web systems.
UI & Tooling
Proficiency with modern UI and tooling libraries including Vite, PrimeReact, Tailwind CSS, CSS/SCSS, HTML5, and Figma for design-to-code workflows.
AI Integration & Claude API
Experience integrating AI capabilities into web applications using Claude API, Cursor, and AI-assisted development workflows, including AI-powered task management features.
Backend & Java/Spring
Background in backend development using Java, Spring, Hibernate, REST APIs, PostgreSQL, and MySQL, with experience delivering full-stack SaaS applications.
CI/CD & DevOps Tooling
Familiarity with Git, CI/CD pipelines, Vercel deployments, and modern development workflows supporting continuous integration and delivery.
WordPress & Headless CMS
Experience building and deploying WordPress sites with Elementor and integrating headless CMS solutions using Strapi for content-driven web projects.
Progressive Web Apps (PWA)
Knowledge of PWA standards including Web Push notifications, service workers, and offline-first architecture, demonstrated through production-ready personal projects.
Testing & Quality Assurance
Experience with Jest for unit and integration testing, as well as maintaining code quality and architecture standards in enterprise-level frontend projects.
Expertise in building production-grade web applications using React and TypeScript, including advanced patterns such as React Context, Redux, React Hook Form, and component-driven architecture with Storybook.
Next.js & Modern Frontend Architecture
Deep knowledge of Next.js App Router, Server Components, Server Actions, SSR/SSG/ISR rendering strategies, and deployment on Vercel for scalable, performant web applications.
Full-Stack Development with Node.js & Supabase
Hands-on experience building full-stack features using Node.js, Supabase, PostgreSQL, REST APIs, Keycloak, and Server Actions, covering both frontend and backend layers of modern web systems.
UI & Tooling
Proficiency with modern UI and tooling libraries including Vite, PrimeReact, Tailwind CSS, CSS/SCSS, HTML5, and Figma for design-to-code workflows.
AI Integration & Claude API
Experience integrating AI capabilities into web applications using Claude API, Cursor, and AI-assisted development workflows, including AI-powered task management features.
Backend & Java/Spring
Background in backend development using Java, Spring, Hibernate, REST APIs, PostgreSQL, and MySQL, with experience delivering full-stack SaaS applications.
CI/CD & DevOps Tooling
Familiarity with Git, CI/CD pipelines, Vercel deployments, and modern development workflows supporting continuous integration and delivery.
WordPress & Headless CMS
Experience building and deploying WordPress sites with Elementor and integrating headless CMS solutions using Strapi for content-driven web projects.
Progressive Web Apps (PWA)
Knowledge of PWA standards including Web Push notifications, service workers, and offline-first architecture, demonstrated through production-ready personal projects.
Testing & Quality Assurance
Experience with Jest for unit and integration testing, as well as maintaining code quality and architecture standards in enterprise-level frontend projects.
Experience
Professional experience5 - 10 years
Freelancer since2026
Languages
EnglishFluentCroatianNative speaker
Project history
Next.js SaaS-style dashboard (in progress) focused on daily work/task management with AI-powered task creation and completion via text/voice commands (Claude API). Server Components, authentication and protected routes.
Frontend Tech Lead on the redesign of the national tax administration system and related citizen-facing platforms. Leading frontend implementation from scratch in close collaboration with architects, analysts and design team. Tech stack: React, TypeScript, Vite, React Context, PrimeReact, SCSS, Keycloak, Storybook, Jest, Figma. Responsible for architecture of reusable components, code quality and delivery of user requirements.
Production-ready private PWA for shared household tasks and shopping lists. Built with Next.js App Router, TypeScript (strict), Supabase, Server Actions, Row Level Security and Web Push notifications. Demonstrates clean architecture, server-first approach and real-world deployment on Vercel.