Hire the Best Front-End Developers
in Croatia

⭐⭐⭐⭐⭐ "Bruno has been an amazing contribution to our front-end team. He’s efficient, responsive, and helpful. He has made a new React.js screen to our site with a lot of complex animations and many of those little but important details for UX. He killed it basically, and we will definitely work with him again. Highly recommended freelancer!" I am a communicative person, who has a keen interest in developing scalable, maintainable software with high-quality code, on-time delivery, and adherence to specifications. Why am I good at it? As a passionate learner, I am always seeking new opportunities, and I care about the satisfaction of my customers. I worked on projects of famous companies or projects that famous companies used: ✅ Philip Morris IQOS Greece ✅ Music Supervisor / WeGetArtist (Used by Netflix) ✅ Optilogic Cosmic Frog ⭐ Valuable contributions I can make to your project ⭐ ✅ 4 years of experience in React.js development. ✅ In-depth understanding of React's core concepts. ✅ Proficient in diagnosing and resolving performance issues promptly. ✅ Amazing CSS skills that can make impossible animations possible. ✅ Expertise in refactoring class components into functional components using React hooks. ✅ Exceptional communication skills, providing 24/7 availability to keep you informed about project status. ✅ Dedicated to ensuring your success and delivering tangible value to your business. ⭐ Here are compelling reasons why choosing me sets me apart from other freelancers:⭐ ✅ Focus on providing value to all of my clients and earning their trust through exceptional service. ✅ Core commitment to over-delivering, going beyond expectations to leave clients amazed. ✅ Maintain a high level of responsiveness, keeping communication channels open for seamless collaboration. ✅ Demonstrate resilience in tackling any challenges faced by clients and finding effective solutions. ✅ Embrace kindness as a guiding principle, treating everyone with respect, empathy, and a genuine desire to improve their situations. ⭐Technologies ⭐ - HTML5, CSS3, SASS - Bootstrap, MUI, Tailwind, KendoUI - JavaScript, jQuery - React.js Next.js - Redux, Redux Saga, Redux Toolkit - Vue, Vuex, Nuxt - Typography - WebFonts, Font-Face - Responsive Design - Cross-browser Optimization - Yarn, NPM - Git, GitLab, GitHub, Bitbucket - Trello, Jira, Slack - Mac OS, Linux, and Windows user. Would you be interested in leveraging my skills in order to develop any application and grow your business at the same time? If you would like to discuss the job posting in more detail with me, you can invite me to your job posting.

Frontend Developer with experience building responsive, modern, and user-friendly web applications. I work with HTML, JavaScript, React, and SCSS to create clean, fast, and scalable interfaces. I focus on writing maintainable code, improving user experience, and developing responsive designs that work smoothly across all devices. I am motivated, detail-oriented, and always ready to learn new technologies and improve my skills. Skills: • HTML5 • JavaScript (ES6+) • React.js • SCSS / CSS3 • Responsive Web Design • UI Development • Git & GitHub I am committed to delivering high-quality work on time and helping clients turn their ideas into functional and modern web applications.

I help startups and SaaS teams design and build fast, beautiful, and scalable frontend applications. With 10+ years of experience, I’ve worked on everything from complex dashboards to high performance design systems always delivering with a mix of technical depth and product intuition. ✅ Client Feedback Says It All: “Nik is the best coder I’ve hired on Upwork.” “Top notch! He’s a proactive, goal oriented, and skillful developer.” “Nik delivered clean, beautiful code and improved things I hadn’t even thought of.” “He doesn’t just code, he helps guide the product with expert advice.” 🔧 Core Tech Stack: Frontend: Vue 3, React, Angular, RxJS, NgRx, TypeScript UI/UX: TailwindCSS, Material UI, Element Plus, Bootstrap Data Visualization: Chart.js, D3.js, Three.js APIs & Backend: REST, GraphQL, Node.js, Express Full-Stack: MEVN / MERN / MEAN 🧠 I specialize in: Building modern dashboards, admin panels, and data heavy apps Designing reusable component libraries and design systems Migrating legacy apps to Vue, React, or Angular Improving app speed, structure, and developer handoff ⚡️ What clients love about working with me: Clear, fast communication Proactive suggestions and clean architecture Zero micromanagement, just reliable delivery Always focused on performance, maintainability, and UX Let’s connect if you need a frontend expert who’s not only senior in skill, but senior in attitude, calm, communicative, and committed to outcomes.

🌟 5-Star | WeWeb, Supabase & Elementor Expert Pixel-Perfect • Conversion-Focused • Scalable Web Apps You need a website or web app that looks premium, ranks on Google, and converts visitors into customers. With 8+ years of front-end experience and deep expertise in WeWeb, Elementor, and modern stacks like Supabase, I build fast, lightweight, SEO driven products tailored to real business goals. When you work with me, you’re not just hiring a developer, you’re gaining a technical partner who cares about performance, growth, and long-term success. 🔧 Here’s a snapshot of my technical expertise and what I bring to your project:
 📌 𝐄𝐥𝐞𝐦𝐞𝐧𝐭𝐨𝐫 & 𝐂𝐮𝐬𝐭𝐨𝐦 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 Crafting bespoke, pixel-perfect themes and templates powered by Elementor—SEO-optimized, ultra-lightweight, and built to scale without unnecessary plugins. 📌 𝐖𝐞𝐛𝐟𝐥𝐨𝐰 & 𝐖𝐞𝐖𝐞𝐛 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 Rapidly prototyping and deploying mobile-first, performance-tuned sites and web apps with clean CMS integrations—delivering full customization and lightning-fast load times. 📌 𝐀𝐝𝐯𝐚𝐧𝐜𝐞𝐝 𝐅𝐫𝐨𝐧𝐭-𝐄𝐧𝐝 & 𝐂𝐮𝐬𝐭𝐨𝐦 𝐂𝐨𝐝𝐢𝐧𝐠 Expert in JavaScript (including React), CSS, Less, SCSS, and custom code—ensuring your project has the flexibility and polish to stand out. 💬 𝐖𝐡𝐲 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐥𝐨𝐯𝐞 𝐰𝐨𝐫𝐤𝐢𝐧𝐠 𝐰𝐢𝐭𝐡 𝐦𝐞
 🎯 𝐆𝐨𝐚𝐥-𝐅𝐨𝐜𝐮𝐬𝐞𝐝 𝐏𝐚𝐫𝐭𝐧𝐞𝐫𝐬𝐡𝐢𝐩 – Every feature maps directly to your KPIs - no fluff, only impact.
 🎯 𝐁𝐮𝐥𝐥𝐞𝐭𝐩𝐫𝐨𝐨𝐟 𝐑𝐞𝐥𝐢𝐚𝐛𝐢𝐥𝐢𝐭𝐲 – Clear timelines, daily progress updates, and on-time delivery 🎯𝐄𝐟𝐟𝐨𝐫𝐭𝐥𝐞𝐬𝐬 𝐂𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐢𝐨𝐧 – You’ll always know what’s next, and I’ll solve blockers before they reach you. 🗣️ 𝐂𝐥𝐢𝐞𝐧𝐭 𝐅𝐞𝐞𝐝𝐛𝐚𝐜𝐤 "𝗟𝗲𝗼𝗻 𝗶𝘀 𝗮 𝗿𝗲𝗮𝗹𝗹𝘆 𝗶𝗺𝗽𝗿𝗲𝘀𝘀𝗶𝘃𝗲 𝗳𝗿𝗲𝗲𝗹𝗮𝗻𝗰𝗲𝗿. 𝗥𝗲𝗮𝗹𝗹𝘆 𝗵𝗶𝗴𝗵-𝗾𝘂𝗮𝗹𝗶𝘁𝘆 𝘄𝗼𝗿𝗸, 𝗲𝘅𝗰𝗲𝗹𝗹𝗲𝗻𝘁 𝗰𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻, 𝗮𝗻𝗱 𝗱𝗲𝗱𝗶𝗰𝗮𝘁𝗲𝗱 𝘁𝗼 𝗲𝗻𝘀𝘂𝗿𝗶𝗻𝗴 𝗮 𝗴𝗿𝗲𝗮𝘁 𝗷𝗼𝗯 𝗶𝘀 𝗱𝗼𝗻𝗲. 𝗜 𝘄𝗼𝘂𝗹𝗱 𝗵𝗶𝗴𝗵𝗹𝘆 𝗿𝗲𝗰𝗼𝗺𝗺𝗲𝗻𝗱 𝗟𝗲𝗼𝗻 𝗮𝗻𝗱 𝗵𝗼𝗽𝗲 𝘁𝗼 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗵𝗶𝗺 𝗮𝗴𝗮𝗶𝗻 𝗶𝗻 𝘁𝗵𝗲 𝗻𝗲𝗮𝗿 𝗳𝘂𝘁𝘂𝗿𝗲." ⭐️⭐️⭐️⭐️⭐️ 🤙 𝐑𝐞𝐚𝐝𝐲 𝐭𝐨 𝐞𝐥𝐞𝐯𝐚𝐭𝐞 𝐲𝐨𝐮𝐫 𝐬𝐢𝐭𝐞?
 Let’s connect and create a WordPress experience that looks incredible, performs flawlessly, and drives real results. 🦸‍♂️

An old-school expert backed by AI-era technologies. Helping small- and mid-sized businesses to bring their software experience and web presence to the next level since 2019. Building scalable web and app designs that are perfect for understanding, development, and investment pitching. ✨ Upwork's Top Rated Talent, 100% Job Success Score ✔️ Mobile and Web Design ✔️ $70 000+ earned on Upwork ✔️ 2900+ Upwork hours ✔️ Active since 2019 Most exciting UX/UI Design projects I've been a part of: ☑AI-Based Luxury Travel Platform Startup (18 months) ☑Music Hardware Interface and Plugins Design (4 months) ☑A closed-type Course Learning System for US Universities and Colleges (10 months) ☑A database for Cannabis-related Web-Products in Canada (2 months) ☑A SaaS application for checks, management, and informing in the Health Sector I am always open to telling more about any of the projects I performed and sharing Figma details. Here are some more facts about me: 📌 My expertise includes more than 100 projects on Freelance, Part-Time and Full-Time basis 📌 Over the past years, I've had experience working with the customer directly as a consultant-performer as well as in-house company experience within a team environment 📌 I had experience working with people from 22 countries. 📌 I always make the logo Bigger I enjoy working on innovative challenges and amending my working process to cater to your expectations. I consider feedback and I welcome it. Get in touch with me, and see what we can achieve together! I will support you on all the project's design phases, from research and sitemap to a development-ready file and interactive prototype. While being a team player, I have a passion for acting independently, suggesting and creating solutions for your needs, or transforming your ideas into a completed design document exactly the way you see it.

👋 Hello! 👉 I'm an experienced Software Developer with over 10 years of experience. 👉 You can expect quick turnaround, timely updates about your project with full transparency ✅ Top Rated | 100% Job Success Score ✅ I'm quite flexible and easy to work with 👉 You can hire me as solo freelancer. 👉 If you have an existing team in-house or a team of freelancers I have no problem jumping in quickly learning the ropes and becoming a part of a team. 👉 Also I am able to assemble a team fast to expedite the project according to your specific needs. ✅ I can help you with 👇👇👇 👉 Mobile App Development Flutter, React Native (Expo and React Native CLI) Help with Apple and Google app publishing process on their respective app stores 👉 Web App Development (Frontend, Backend) JavaScript, TypeScript, React, Vue, NextJS, NodeJS, PHP, Laravel Tailwind, Bootstrap, CSS, HTML MySQL, PostgreSQL, MongoDB, Firebase, SupaBase WebSockets, WebRTC, APIs 👉 Artificial Intelligence (AI) Development & Integration OpenAI GPT-4, Anthropic Claude, Google Gemini, LLaMA, Mistral, Gemma, LangChain, LlamaIndex, Transformers QLoRA, RAG, Prompt Engineering Stable Diffusion, Whisper, LLaVA 👉 Cloud & DevOps AWS, Azure, Google Cloud Platform, Heroku, Vercel, Digital Ocean Application Deployment, Domain Setup, Infrastructure Setup, Git & Pipelines 👉 CMS: Wordpress, WooCommerce, Shopify, Strapi Custom Plugin Development, Shop setup, 3rd party integrations, payment gateway setups, theme modifications Automations, AI integrations, Migrations 👉 Project Management / Engineering management Running a project for you, writing technical specification for developers, leading a team ✅ I'm confident that I can help you out and if you think my skillset solves your problem, go ahead and message me. I'm happy to help even if we don't end up working together. Cheers, Neven