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Hi, I’m Vanja Culum, a React developer based in Banja Luka. I specialize in building fast, maintainable front-end applications using ReactJS, Next.js, TypeScript, and Redux, with a keen eye for responsive design and clean state management. I’ve collaborated with cross-functional teams to deliver new features, refactor legacy code, and optimize performance. Fluent in Serbian and English, I enjoy learning new technologies and contributing to teams that ship high-quality software.…Hi, I’m Vanja Culum, a React developer based in Banja Luka. I specialize in building fast, maintainable front-end applications using ReactJS, Next.js, TypeScript, and Redux, with a keen eye for responsive design and clean state management. I’ve collaborated with cross-functional teams to deliver new features, refactor legacy code, and optimize performance. Fluent in Serbian and English, I enjoy learning new technologies and contributing to teams that ship high-quality software.

Vanja Culum

Web Developer, Front-End Developer, Full Stack Developer, +4

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Hi, I’m Vanja Culum, a React developer based in Banja Luka. I specialize in building fast, maintainable front-end applications using ReactJS, Next.js, TypeScript, and Redux, with a keen eye for responsive design and clean state management. I’ve collaborated with cross-functional teams to deliver new features, refactor legacy code, and optimize performance. Fluent in Serbian and English, I enjoy learning new technologies and contributing to teams that ship high-quality software.…Hi, I’m Vanja Culum, a React developer based in Banja Luka. I specialize in building fast, maintainable front-end applications using ReactJS, Next.js, TypeScript, and Redux, with a keen eye for responsive design and clean state management. I’ve collaborated with cross-functional teams to deliver new features, refactor legacy code, and optimize performance. Fluent in Serbian and English, I enjoy learning new technologies and contributing to teams that ship high-quality software.

Available to hire

Hi, I’m Vanja Culum, a React developer based in Banja Luka. I specialize in building fast, maintainable front-end applications using ReactJS, Next.js, TypeScript, and Redux, with a keen eye for responsive design and clean state management.

I’ve collaborated with cross-functional teams to deliver new features, refactor legacy code, and optimize performance. Fluent in Serbian and English, I enjoy learning new technologies and contributing to teams that ship high-quality software.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Serbian

Fluent

English

Fluent

Work Experience

React developer at Bitlab

March 1, 2021 - September 8, 2025

Joined forces with cross-functional teams to realize new features, fix bugs, and optimize front-end performance in React applications. Refactored legacy code, and applied best practices to ensure maintainability and scalability of React applications.

React developer at Media INFO

June 1, 2024 - September 8, 2025

Developed interactive user interfaces for Media INFO Digital Library. Participated in software development for Arabic Language Academy in Sharjah. Collaborated with cross-functional teams to plan and implement scalable and maintainable components for web applications. Improved application performance by identifying and resolving bottlenecks in code and implementing best practices. Conducted code reviews and provided constructive feedback to improve code quality and ensure adherence to coding standards.

Full stack developer at FatCat Coders

June 1, 2025 - September 8, 2025

Developed an internal product management website, which streamlined project tracking and improved team collaboration, helping everyone stay aligned and efficient. Collaborated closely with clients to create a restaurant management platform, which enhanced operational efficiency for restaurant owners, leading to smoother daily operations. Built a React Native app that allowed customers to see restaurant suggestions on their mobile devices, increasing user engagement. Developed a Next.js application that provided a seamless user experience on the web, helping clients attract and retain more customers by offering a fast and intuitive interface. Worked on the backend repository using Go programming language, which optimized performance and scalability.

React Developer at Bitlab

March 1, 2021 - September 8, 2025

React Developer at Media INFO

June 1, 2024 - September 8, 2025

Full Stack Developer at FatCat Coders

June 1, 2025 - September 8, 2025

Developed an internal product management website, which streamlined project tracking and improved team collaboration, helping everyone stay aligned and efficient. Collaborated closely with clients to create a restaurant management platform, which enhanced operational efficiency for restaurant owners, leading to smoother daily operations. Built a React Native app that allowed customers to see restaurant suggestions on their mobile devices, increasing user engagement. Developed a Next.js application that provided a seamless user experience on the web, helping attract and retain more customers by offering a fast and intuitive interface. Worked on the backend repository using Go programming language, which optimized performance and scalability.

React Developer at Bit Lab

March 1, 2021 - September 8, 2025

React Developer at Media INFO

June 1, 2024 - September 8, 2025

Full Stack Developer at FatCat Coders

June 1, 2025 - September 8, 2025

Developed an internal product management website, which streamlined project tracking and improved team collaboration, helping everyone stay aligned and efficient. Collaborated closely with clients to create a restaurant management platform, which enhanced operational efficiency for restaurant owners, leading to smoother daily operations. Built a React Native app that allows customers to see restaurant suggestions on their mobile devices, increasing user engagement. Developed a Next.js application that provided a seamless user experience on the web, helping to attract and retain more customers by offering a fast and intuitive interface. Worked on the backend repository using Go programming language, which optimized performance and scalability.

React Developer at Bitlab

March 20, 2021 - September 8, 2025

Refactored legacy code, implemented new features, and optimized front-end performance in React applications; collaborated with cross-functional teams to deliver scalable, maintainable components.

React Developer at Media INFO

June 20, 2024 - September 8, 2025

Developed interactive user interfaces for Media INFO Digital Library; collaborated with cross-functional teams for Arabic Language Academy in Sharjah; improved performance and maintainability; conducted code reviews.

Full Stack Developer at FatCat Coders

June 20, 2025 - September 8, 2025

Developed an internal product management website; built a restaurant management platform; created a React Native app for customers; built a Next.js web app; implemented backend in Go to optimize performance and scalability.