Hire the Best Front-End Developers in Berlin, DE

Need a website that loads fast, scales with your growth, and actually converts visitors into customers? I help companies and startups create custom websites that perform at scale, whether that means building from scratch, improving an existing site, or optimizing for speed, responsiveness, and accessibility. ✅ 7+ years of experience ✅ 30+ clients, including Toyota, Brainsell, Unreal Candy, Shopwise, and Allbuy ✅ 20+ 5-star reviews on Upwork ✅ Skilled across platforms (Shopify, HubSpot, Webflow, WordPress, Bubble, Squarespace) ✅ Strong with AI-assisted dev workflows (Claude, Cursor, Copilot) Recent results I've delivered for clients: Improved site speed by 60%, leading to higher conversions Built custom Shopify themes tailored to increase sales Optimized accessibility to expand reach & compliance I'm EU-based, easy to work with, and pride myself on delivering high-quality work with strong attention to detail. 📌 Let's talk about your project. I'd love to hear what you're building and see how I can help.

Not sure yet what direction fits your project? 𝐖𝐞'𝐥𝐥 𝐦𝐚𝐩 𝐢𝐭 𝐨𝐮𝐭 𝐟𝐨𝐫 𝐅𝐑𝐄𝐄: a quick brief, 3 concept directions with references, and a short call to walk through it, no cost, no obligation. 🔥 We turn complex information into websites and stories that actually work, structure, concept, and trade-offs mapped out before a single pixel goes down. Our sweet spot: products that are hard to explain. FinTech, HealthTech, SaaS, mobility, green-tech, research-based products, B2B services, data-heavy platforms, the harder the story is to tell, the more we want it. We can help with: -- 𝐖𝐞𝐛𝐬𝐢𝐭𝐞 & 𝐋𝐚𝐧𝐝𝐢𝐧𝐠 𝐏𝐚𝐠𝐞 𝐂𝐫𝐞𝐚𝐭𝐢𝐨𝐧 From idea and structure to copy, design, and frontend development. -- 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 React, Vue.js, TypeScript, JavaScript, SCSS, responsive layout, UI implementation, and clean component-based frontend. -- 𝐂𝐨𝐩𝐲𝐰𝐫𝐢𝐭𝐢𝐧𝐠 & 𝐒𝐭𝐨𝐫𝐲𝐭𝐞𝐥𝐥𝐢𝐧𝐠 Clear positioning, landing page texts, product explanations, data-driven stories, PR assets, and research-based narratives. -- 𝐃𝐞𝐬𝐢𝐠𝐧 & 𝐕𝐢𝐬𝐮𝐚𝐥 𝐂𝐨𝐧𝐭𝐞𝐧𝐭 Web design, flat illustration, visual concepts, references, and creative direction. A few relevant examples: ✅Semrush - built a data-driven story around “is it legal to…” search trends across 106 countries, designed as a shareable PR asset to drive traffic back to Semrush’s blog and tools. ✅ThorAvas - explained a technically complex product through a clear narrative and built the website that helped launch it into the market. ✅Bank / NDA project - turned 10+ large-scale research studies into a clear storylanding that helped bank employees better understand customers and improve service quality. ✅Blood Donation / Donors project - turned 50+ sources into an engaging storylanding that eased people’s fears around donation and reached 20,000 views in one month. Our usual process: - Understand your business goal and audience - Suggest structure, references, and concept direction - Write clear copy and map the visual logic - Design and illustrate - Build the frontend in React/Vue if needed - Polish for clarity, conversion, and usability Complicated story, dense research, product nobody can explain in one sentence, that's our lane. 🔥 𝐑𝐞𝐚𝐝𝐲 𝐰𝐡𝐞𝐧 𝐲𝐨𝐮 𝐚𝐫𝐞, 𝐦𝐞𝐬𝐬𝐚𝐠𝐞 𝐮𝐬 𝐭𝐨 𝐬𝐭𝐚𝐫𝐭 🔥 Tags: Website Design, Web Design, Interactive Website, Interactive Web Design, Storytelling Website, Storytelling Websites, Storylanding, Scrollytelling, Landing Page Design, Landing Page, Responsive Web Design, Webflow, React, WordPress, Vue.js, UX/UI Design, UX Design, UI Design, User Experience, Website Development, Front-End Development, Custom Website Design, Website Redesign, Marketing Website, Corporate Website, Business Website, Digital Experience, Interactive Experience, Visual Storytelling, Data Storytelling, Data Visualization, Interactive Infographics, Information Design, Information Architecture, Website Copywriting, Content Strategy, UX Writing, Conversion Optimization, Conversion Rate Optimization, CRO, High-Converting Website, High-Converting Landing Page, Web Animation, Microinteractions, Creative Direction, Art Direction, Illustration, Flat Illustration, 3D Illustration, JavaScript, HTML5, CSS3, HTML, CSS, CMS, SEO-Friendly Website, Startup Website, SaaS Website, Product Website, B2B Website, B2C Website, Research-Based Design, Data-Driven Design, Editorial Design, Presentation Design, Brochure Design, Digital Campaign, Brand Experience, Immersive Website, Motion Design, Nonprofit Website, EdTech Website, FinTech Website, One Page Website, Prototyping, Wireframing

Hi! My name is Erdem, and I'm a senior Frontend Developer with over 5 years of experience in developing websites and applications. I am adept at taking full ownership of projects, guiding them from initiation to completion, and handling the development and deployment of all my work. ✨ My competencies include JavaScript, TypeScript, React, Next.js, Svelte, jQuery, and various state management libraries such as Redux, Jotai, and Zustand. ✨ I specialize in creating responsive and user-friendly interfaces using CSS frameworks like Bootstrap and Tailwind CSS, as well as preprocessors such as Sass and Less. ✨ I have experience with the following libraries: • Material-UI • Ant Design • Chakra UI • Shadcn • Headless UI • Flowbite • Framer Motion ✨ Additionally, I have worked with other technologies, including: • tRPC • Git Hooks (such as Husky) • Version Control Systems (including Git, GitHub, Bitbucket, and GitLab) • Backend Technologies (like Node.js and Express.js) • Database Systems (such as MySQL, PostgreSQL, and MongoDB) If you have any questions or are interested in discussing your project, please click "Hire Now" or "Invite to Job." I look forward to the opportunity to work with you. Computer Engineer, Erdem Karakaş

I studied architecture which I left to follow my artistic passion. Worked as an artist and illustrator for several years. Embracing knowledge and being open to learning new things, 11 years ago I started to work as a UI Designer which later led me to be a Front-end Developer. I have gained skills that have given me good positions throughout my career and the ability to work in multiple projects with great amazing people and teams. Skills being in Design, HTML5, CSS3, VanillaJS, JS frameworks, CSS frameworks, JS libraries, tools, and skills in performance and accessibility. I will continue to collaborate with teams to build amazing things and contribute to open-source technology while having fun.

I’m a Senior Software Engineer with strong experience in developing and maintaining scalable, high-performance web applications. I specialize in frontend architecture and development using React, TypeScript, and modern toolchains (Vite/Webpack), and regularly contribute to backend services with Node.js, C# and Python. I design and maintain CI/CD pipelines, automated testing, and code-quality workflows to ensure reliable deployments. Work in Scrum environments, collaborating with cross-functional teams to deliver scalable applications through iterative Sprint cycles. Overview of my technical skills: Frontend Development: React / Vue, JavaScript (ES6+), TypeScript, HTML5, CSS3 React Ecosystem: Hooks, Context API, Redux, React Router, Vite / Webpack Backend Development: JavaScript (via Node.js), Python, C#

⭐️ +10 years as a developer; 🏢 worked on enterprise projects; I help businesses—including e-commerce—streamline operations using automation and AI agents, turning repetitive tasks into efficient workflows. I specialize in lead management, customer support, order processing, and product data automation. Key projects include: Workflow Automation Auto-creating designer tasks when test products sell Filling product info for SEO and geo-targeting Syncing customer data to CRM or AirTable Smart order management highlighting stock, generating reports, and creating tasks or orders automatically With 10+ years in web development, I bridge coding and process automation to build custom, scalable solutions that save time and boost revenue.