Freelance Frontend Engineers in Petershagen-EggersdorfFreelance Frontend Engineers in Petershagen-Eggersdorf
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Andrii Tovstonos's avatar
Andrii Tovstonos
Berlin, Germany
Expert Website Maintenance & High-Performance Optimization
Expert Website Maintenance & High-Performance Optimization
Cover image for Firewood Delivery Logic & Maps
Firewood Delivery Logic & Maps Integration ➤ The Challenge: A local firewood supplier needed to automate delivery quotes. Manual distance checking was slow and prone to errors. ➤ The Solution: I built a custom Vanilla JS tool with deep Maps API integration: • Google Maps API: Automated real-time distance calculation for every order. • Dynamic Pricing: Logic that factors in wood type, volume, weight, and mileage. • UX/UI: Lightweight, mobile-first interface for instant customer quotes. ➤ The Result: • Automation: Zero manual checks needed; instant pricing for customers. • Efficiency: Eliminated pricing disputes and optimized the booking flow. • Performance: High-speed tool with zero external library dependencies.
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Cover image for Industrial B2B Growth & Maintenance
Industrial B2B Growth & Maintenance Value ➤ The Challenge: A legacy industrial site was invisible to engineers. Goal: Transform it into a lead-gen tool via technical excellence. ➤ The Solution: I deployed a comprehensive technical and content strategy: • Custom JS Engineering: Developed an intricate lifespan calculator for parts. • 100/100 Speed: Reached perfect performance scores via deep code refactoring. • Expert Content: Launched a research-driven blog that dominated technical search intent. ➤ The Result (The Evidence): • Growth Spike: Deployment led to a 400% surge in organic traffic. • The Maintenance Gap: As shown in the chart, the cessation of expert support ("Too Expensive") coincided with a clear loss of momentum. • Proven ROI: Technical excellence isn't just a setup - it's the engine that sustains market leadership.
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Cover image for Achieving 99/100 Mobile Speed &
Achieving 99/100 Mobile Speed & Breaking the Traffic Plateau ➤ The Challenge: The site was stuck in the "Yellow Zone" (~70 PageSpeed). High-quality content was held back by technical overhead, resulting in a stagnant traffic plateau. ➤ The Solution: I executed a deep technical overhaul to unlock the site's ranking potential: • 0ms Blocking Time: Eliminated JS execution delays for instant interactivity. • Visual Stability: Achieved a 0.001 CLS, ensuring a perfect UX. • Speed: Optimized the rendering path to hit 0.9s FCP and 99/100 Mobile score. ➤ The Result: • Plateau Broken: Technical fixes (last green dot on chart) acted as a catalyst for new organic growth. • Elite Performance: Sustained 99+ PageSpeed scores on mobile. • Business Impact: Improved rankings and higher conversion rates.
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Cover image for 100% Organic Growth via Technical
100% Organic Growth via Technical Refactoring The Challenge: Stagnant traffic and poor mobile UX due to bloated legacy scripts (jQuery), unoptimized media, and weak semantic structure. The Solution: I executed a deep technical overhaul to modernize the stack: • Vanilla JS Migration: Replaced jQuery with pure, high-performance JavaScript. • Smart Media: Implemented WebP/AVIF, responsive sizes, and lazy-loading. • SEO Foundation: Cleaned HTML semantics and added Schema.org microdata. • On-Page: Refreshed Meta Tags to align with search intent. • Bootstrap 5 Tuning: Optimized CDN delivery and CSS path for zero speed impact. The Result: 99–100 Mobile PageSpeed: Perfect scores even with a CSS framework. Traffic Surge: Organic growth from 14K to 30K+ monthly sessions in 12 months.
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Frontend Engineer(3)
Dave Waldorf's avatar
Dave Waldorf
Berlin, Germany
Full-stack engineer
Full-stack engineer
Cover image for davewaldorf/CMS
davewaldorf/CMS
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Cover image for davewaldorf/Style-Me
davewaldorf/Style-Me
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Cover image for Lava
Lava
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Frontend Engineer(2)
Malik Adek's avatar
Malik Adek
Berlin, Germany
Software Engineer and Product designer
94
Followers
Software Engineer and Product designer
Cover image for Portfolio Projects
Portfolio Projects
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Cover image for 🏛 The Museum of Possible
🏛 The Museum of Possible Lives "Every choice creates another version of you. This is where they live." If you could walk through every life you never lived... which one would you choose? What if every decision you didn't make became a life you could visit? The Museum of Possible Lives is an interactive mobile experience that transforms alternate futures into a curated museum. Instead of scrolling through profiles or timelines, visitors walk through beautifully designed exhibition rooms, each representing a different version of themselves shaped by a single choice. Inside the museum, every life is told through artifacts, memories, voice recordings, branching timelines, and curated exhibits. From The Architect to The Musician and The Astronaut, each room reveals how one decision could have unfolded into an entirely different story. I wanted to explore a simple idea: our lives are defined not only by the choices we make, but also by the ones we leave behind. Built in Flowstep as a fully interactive multi-screen prototype, I focused on creating a cinematic, emotionally driven experience with polished interactions, seamless navigation, and a consistent design system that feels more like walking through a world-class museum than using a traditional mobile app. This project was designed to answer one question: If you could walk through every life you never lived... which one would you choose?
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Cover image for 🏛️ 𝗧𝗵𝗲 𝗠𝘂𝘀𝗲𝘂𝗺 𝗼𝗳 𝘁𝗵𝗲
🏛️ 𝗧𝗵𝗲 𝗠𝘂𝘀𝗲𝘂𝗺 𝗼𝗳 𝘁𝗵𝗲 𝗥𝗲𝗷𝗲𝗰𝘁𝗲𝗱 What if the most beautiful creations were never chosen? For this challenge, I wanted to explore the part of creativity that AI can't automate: judgment. Using Envato's AI tools, stock assets, VideoGen, music generation, and creative resources, I created a fictional museum where every exhibit is visually stunning… yet rejected. Not because it wasn't beautiful—but because it needed something only a human could provide: taste, intuition, emotion, context, and the courage to choose. Rather than showcasing prompts and outputs, I wanted to tell a story about the invisible decisions behind every creative process. Every gallery, every artwork, every camera movement, every soundtrack, and every final edit was intentionally curated to answer one question: What makes great creative work truly human? This project is my interpretation of Human by Design—where AI expands what's possible, but human creativity gives it meaning. Huge thanks to @envato for the inspiring challenge and for providing such an incredible creative toolkit. Instagram: Instagram Link (https://www.instagram.com/reel/Da-kF2MtaHS/?utm_source=ig_web_copy_link&igsh=MzRlODBiNWFlZA==) Twitter/X: X Link (https://x.com/Localhost_5000/status/2078858319477854534?s=20)
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Cover image for ✨ 𝐅𝐫𝐨𝐦 𝐎𝐮𝐭𝐝𝐚𝐭𝐞𝐝 𝐭𝐨 𝐎𝐮𝐭𝐬𝐭𝐚𝐧𝐝𝐢𝐧𝐠
✨ 𝐅𝐫𝐨𝐦 𝐎𝐮𝐭𝐝𝐚𝐭𝐞𝐝 𝐭𝐨 𝐎𝐮𝐭𝐬𝐭𝐚𝐧𝐝𝐢𝐧𝐠 — 𝐆𝐢𝐯𝐢𝐧𝐠 𝐚 𝐑𝐞𝐚𝐥 𝐁𝐨𝐮𝐭𝐢𝐪𝐮𝐞 𝐇𝐨𝐭𝐞𝐥 𝐭𝐡𝐞 𝐆𝐥𝐨𝐰-𝐔𝐩 𝐈𝐭 𝐃𝐞𝐬𝐞𝐫𝐯𝐞𝐝 Sometimes, the biggest opportunity isn't creating something entirely new—it's recognizing the hidden potential in something that already exists. For this challenge, I chose Locanda Boutique Hotel, a real boutique hotel in Germany. The hotel itself offers a warm, premium hospitality experience, but after exploring its online presence, I felt its website wasn't telling the same story. It worked, but it didn't inspire. It informed, but it didn't immerse. Most importantly, it missed opportunities to simplify operations and elevate the guest experience through modern automation. So I asked myself: What if booking a boutique hotel felt as premium as staying in one? That question became the foundation of this project. Rather than redesigning a few pages, I reimagined the entire digital journey—from the moment a guest discovers the hotel to long after they've checked out. ✨ 𝐖𝐡𝐚𝐭 𝐈 𝐁𝐮𝐢𝐥𝐭 I created a modern, fully responsive hotel platform powered by Base44 that transforms the hotel's online presence into a complete guest experience. Guests can: • Discover and compare rooms • Book their stay seamlessly • Reserve airport transfers • Schedule spa treatments • Reserve restaurant tables • Book local experiences and attractions • Manage their reservations through a personalized guest dashboard • Interact with an AI Concierge that recommends rooms, answers questions, plans itineraries, and assists with bookings Behind the scenes, I also introduced meaningful automations that save staff time while improving the guest experience. ⚙️ 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐇𝐢𝐠𝐡𝐥𝐢𝐠𝐡𝐭𝐬 ✔ Instant booking confirmation ✔ Automated check-in reminders ✔ Smart upsell recommendations for breakfast, spa treatments, airport transfers, and experiences ✔ Reservation management ✔ Post-stay review requests ✔ Guest engagement workflows These aren't just convenience features—they're practical tools that help increase operational efficiency, improve customer satisfaction, and unlock additional revenue opportunities. 💡 𝐖𝐡𝐲 𝐓𝐡𝐢𝐬 𝐌𝐚𝐭𝐭𝐞𝐫𝐬 Because a hotel's website shouldn't simply display information, It should welcome guests before they even arrive and should answer questions before they're asked. Thank you, Base44, for making it possible to turn this idea into a fully functional product. I'd love to hear your thoughts! Live demo: Link to Locanda Demo (http://locanda-stay-luxe.base44.app/) #GiveItAGlow #Automation #ProductDesign #BuiltWithBase44
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Frontend Engineer(1)
David Pinheiro's avatar
David Pinheiro
Berlin, Germany
Full-Stack Dev · React, NestJS & AI integrations
5.0
Rating
1
Followers
Full-Stack Dev · React, NestJS & AI integrations
Cover image for DJ Tracklist Identification and Playlist Conversion
DJ Tracklist Identification and Playlist Conversion
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Cover image for Dashboard Agency
Dashboard Agency
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Cover image for Export API Youtube V3
Export API Youtube V3
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Cover image for Phase-Radar - own product
Phase-Radar - own product
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Frontend Engineer(4)
Abdul Rafay's avatar
Abdul Rafay
Berlin, Germany
Full Stack Dev focused on Next.js, WordPress, Shopify, AI
Full Stack Dev focused on Next.js, WordPress, Shopify, AI
Cover image for Sublet Directory - Easy Sublet Finder
Sublet Directory - Easy Sublet Finder
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Cover image for Recovered WordPress Hacked Website
Recovered WordPress Hacked Website
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Cover image for xsavr - scrapes post data from x.com
xsavr - scrapes post data from x.com
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Frontend Engineer(1)
Matthias Jakisch's avatar
Matthias Jakisch
15 Petershagen-Eggersdorf, Germany
25+ Years Experienced Software Engineer (Front/Back/AI/API)
25+ Years Experienced Software Engineer (Front/Back/AI/API)
Cover image for Additional Product Details, configurable | Codixio
Additional Product Details, configurable | Codixio
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Cover image for Add Product / Discount via URL to Cart | Codixio
Add Product / Discount via URL to Cart | Codixio
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5
Cover image for PreOrder Function for UpComing Products | Codixio
PreOrder Function for UpComing Products | Codixio
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Frontend Engineer(1)