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Petar Trifunovic

@petartrifunovic

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Senior Front-End Developer and UI/UX Designer building scalable React products and user-centric interfaces.

Serbia

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What I'm looking for

I’m looking for a product-focused team where I can combine my passion for UI/UX, web design, and frontend development by creating polished React/Next.js experiences, improving usability and performance, and collaborating with international teams to deliver high-quality digital products.

I’m a Senior Front-End Developer and UI/UX Designer with 15+ years of experience building scalable web applications, user-centric interfaces, and digital products. I combine strong expertise in React, JavaScript, and TypeScript with a deep understanding of user experience design to deliver high-quality solutions for international clients.

In my recent role as Director & Senior Front-End Developer, I led frontend development and technical strategy for fintech and trading-related platforms, designing scalable React applications used by thousands of users. Earlier, as Frontend Lead Designer & Front-End Developer at LCB Network, I led design and frontend development for a major online casino affiliate platform, improving user experience, performance, and maintainability while establishing design standards and frontend best practices.

Experience

Work history, roles, and key accomplishments

Current

Director & Senior Front-End Developer

Current

FPFX Technologies

Jul 2023 - Present (3 years 1 month)

Led frontend development and technical strategy for fintech and trading-related platforms. Built scalable React applications and managed development processes, improving UX, performance, and maintainability.

React Next.js TypeScript JavaScript HTML CSS REST APIs Frontend Development Technical Strategy Performance Optimization

Current

Freelance UI/UX & Development

Current

Freelance

Apr 2011 - Present (15 years 4 months)

Developed custom websites and web applications and created branding, web designs, and marketing materials for clients. Managed projects from concept and design through development and deployment.

Web Development UI UX Design Branding Marketing Materials Project Management Deployment

Lead Designer & Developer

LCB Network

Jun 2015 - Jul 2023 (8 years 1 month)

Led design and frontend development for a large online casino affiliate platform. Created responsive UI/UX-focused interfaces and supported usability and conversion improvements alongside content and SEO teams.

JavaScript HTML CSS UI UX Design Photoshop Illustrator Figma Responsive UI Landing Page Design Usability SEO Collaboration

Public Relations Manager

IST Media

Jan 2008 - Apr 2022 (14 years 3 months)

Created visual content for digital and print media, including advertisements, promotional materials, and branding assets. Produced and edited video content for marketing campaigns and online/television platforms.

Visual Content Creation Graphic Design Digital And Print Media Advertising Promotional Materials Branding Video Editing Marketing Campaigns

Information Technology Specialist

RTB Bor

Apr 2011 - Jun 2015 (4 years 2 months)

Managed IT infrastructure and provided technical support and system administration. Improved operational stability and internal IT processes through hardware/software and network maintenance.

IT Infrastructure Management Hardware Support Software support Network maintenance System Administration Technical Support

Education

Degrees, certifications, and relevant coursework

Freelance Developer & Graphic/Web Designer

Bachelor of Business Administration (BBA), Web Design & Graphic Design

2011 -

Develops custom websites and web applications for clients, focusing on performance and usability. Creates branding, web designs, and marketing materials for businesses and startups.