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Nikola Jamina
Open to opportunitiesSelf-employed Frontend Dev
Full Stack Developer with 5+ years building scalable React/TypeScript and Node.js applications, optimizing performance for enterprise products.
Bosnia and HerzegovinaSelf-employed Frontend Dev at Clickr Studio
About
I’m a Full Stack Developer with 5+ years of experience building scalable, high-performance web applications using React, TypeScript, and Node.js. I focus on clean, component-driven development and measurable performance optimization.
I’ve delivered enterprise-grade dashboards, influencer marketing platforms, and data-intensive applications. I integrate RESTful APIs, build data-driven UX, and help teams ship reliable features end to end.
I’m experienced in performance optimization techniques like code splitting, memoization, and lazy loading to improve page load times and Core Web Vitals. I also help maintain quality with Jest and Cypress testing practices, reducing production bugs.
From React/Next.js work to backend APIs with Express.js, plus hands-on Symfony/Twig template development, I enjoy turning complex designs into pixel-perfect UI components. I’ve also worked self-employed on landing pages, email templates, checkout pages, and CRM-integrated marketing flows.
Experience
Self-employed Frontend Dev
Transformed landing pages, email templates, checkout pages, and blank app pages from Figma into HTML, CSS, and JavaScript. Managed server content via FTP, integrated pages with CRM systems, and performed UI/UX troubleshooting and performance optimizations.
HTMLCSSJavaScriptFigmaFTPResponsive UIPerformance Optimization
Frontend Developer
Independently led frontend development of enterprise applications, including real-time dashboards built with React and TypeScript. Integrated RESTful backend APIs and supported data-heavy UI with Material-UI, Apex Charts, and quality checks using Jest and Cypress.
REST APIsReactTypeScriptMaterial UIJestCypress
Education
University of East Sarajevo
Built and maintained scalable web applications using React and TypeScript with Redux, and designed RESTful APIs with Node.js and Express.js for authentication, authorization, and complex business logic.