Hire the Best Front-End Developers
in Sweden

If you want production-grade engineering: I am a Full Stack + Automation Developer with ownership, speed, and quality. ✅ Built scalable SaaS platforms, automation systems, and production web applications ✅ Years of professional experience delivering full stack systems end-to-end ✅ Strong focus on real business outcomes and reliable production software Hey, I'm Aveen — a results-driven full stack developer and automation specialist. I help startups and businesses turn their ideas into real, working digital products. Fast, reliable, and with full delivery ownership. I work as a full stack developer across React, Next.js, Angular, and Node.js — and as an automation engineer building workflow systems, integrations, and AI-powered tools. Day-to-day I ship full stack web apps, backend systems, API integrations, and automation pipelines. SKILLS & EXPERTISE ✦ Frontend: React, Next.js, Angular, TypeScript, Tailwind CSS ✦ Backend: Node.js, Express, Python, REST APIs, scalable backend architecture ✦ Automation: n8n, Make, Zapier, workflow automation systems, API integrations ✦ Databases: PostgreSQL, MongoDB, MySQL, Redis, Supabase, Firebase ✦ Cloud / DevOps: AWS, Google Cloud, Vercel, Docker, CI/CD pipelines ✦ Tools: Figma, Lucidchart, Canva (system planning and architecture) I deliver end-to-end web applications as a full stack developer, combining clean user interfaces with reliable backend systems. I also build automation pipelines that connect multiple services and eliminate repetitive manual work. When a project needs both development and automation, I connect them into a single scalable system that improves efficiency and business operations. I am comfortable working in production environments including database design, authentication systems, API integrations, payment systems, and scalable backend infrastructure. I've shipped systems across industries — from healthcare platforms to SaaS tools, automation systems to internal business platforms. INDUSTRIES I'VE BUILT FOR ✦ SaaS Platforms ✦ Healthcare & Clinics ✦ Automation & AI Tools ✦ E-commerce Platforms ✦ Operations & Internal Business Tools LET'S CONNECT If you want a calm, reliable full stack + automation engineer who takes ownership from idea → production, send me a message. No fluff — just execution.

PhD in Technical Sciences / Data-Driven Engineering. My academic background allows me to approach complex e-commerce problems with a high-level analytical mindset, ensuring robust system architecture and data-driven optimization of store performance. Been building and optimizing high-performance Shopify stores for 10+ years, helping brands increase conversion rates, site speed, and user experience with custom themes, API integrations, AI-powered features, and advanced checkout flows. Whether you need a Shopify 2.0 migration, headless storefront, or CRO-focused optimizations, I build stores that don’t just look great - they sell better. A slow, underperforming Shopify store kills conversions. If your site loads too slowly, doesn’t look right on mobile, or struggles with checkout drop-offs, I fix that. 🔹Functional & Technical Expertise ✅ Custom Shopify Store Development – Fully tailored themes built with Liquid, React.js, and Next.js. ✅ Conversion Rate Optimization (CRO) – Optimized UI/UX, A/B testing, and high-performing checkout flows. ✅ Headless Shopify Development – Using Shopify API, Next.js, and GraphQL for ultra-fast storefronts. ✅ Advanced Integrations & Features – Loyalty programs, AI-powered product recommendations, and third-party apps. ✅ Shopify Speed & SEO Optimization – Enhancing Core Web Vitals, page load times, and organic search rankings. ✅ Secure Payment Gateway Setup – Stripe, PayPal, Square, Apple Pay, Klarna, and custom checkout flows. ✅ Scalable & Reliable Deployments – AWS, Docker, Kubernetes for high-traffic Shopify stores. 💡 Shopify Projects & Results 🔹 Srsly - Shopify 2.0 Store with Subscription Model✔ Developed a custom Shopify 2.0 theme for a fast, responsive experience. ✔ Integrated a subscription-based checkout for recurring orders. ✔ Improved conversion rates by 30% through checkout optimization. 🔹Luxury Fashion eCommerce - Shopify Plus Customization ✔ Implemented AI-powered product recommendations to increase AOV. ✔ Optimized site speed, reducing page load times by 45%. ✔ Added multi-currency and international checkout options. 🔹 DTC Brand - Shopify API & Headless Development ✔ Built a headless Shopify storefront using Next.js + GraphQL API. ✔ Achieved sub-second load times, significantly improving user experience. ✔ Integrated a custom rewards program and automated email flows. Why Work With Me? ✔ 10+ years in Shopify & eCommerce Development – Built and optimized stores across multiple industries. ✔ Full-Stack Expertise – Shopify, Liquid, React.js, Next.js, Node.js, PHP, and Laravel. ✔ CRO & SEO Focused – I make sure your store loads fast, ranks well, and converts better. ✔ Long-Term Support – From Store setup to maintenance, I help brands scale their Shopify success. If your Shopify store needs an upgrade, migration, or better performance, let’s fix it. 📩 Send me a message, and let’s get started! 🔹 Shopify & eCommerce Expertise Shopify 2.0. Shopify Plus. Custom Shopify Themes. Liquid Development. Headless Shopify. Shopify API. React.js. Next.js. Node.js. PHP. Laravel. Conversion Rate Optimization (CRO). A/B Testing. AI Product Recommendations. Checkout Customization. Stripe. PayPal. Square. Klarna. Apple Pay. Shopify SEO. Core Web Vitals Optimization. Loyalty Programs. API Integrations. Subscription Payments. Multi-Currency Support. AWS. Docker. Kubernetes. Scalable eCommerce Deployments. Shopify Store Optimization. Custom Shopify Development. Shopify Theme Customization. Shopify Metafields. Shopify Metaobjects. Shopify Store Customization. Shopify Performance Optimization. Lighthouse Optimization. Shopify SEO. eCommerce SEO. Custom eCommerce Solutions. Scalable eCommerce Architecture. High-Traffic eCommerce Stores. DTC eCommerce Development. B2C eCommerce. B2B eCommerce. Headless Shopify Development. Hydrogen. Oxygen. Shopify Storefront API. Shopify Admin API. Shopify Webhooks. Checkout Optimization. Shopify Checkout Extensibility. One-Page Checkout Optimization. Shopify Scripts. Shopify Functions. Shopify Flow Automation. Shopify CLI. Shopify Public App Development. Shopify Private App Development. Shopify App Extensions. Custom Shopify Apps. Shopify Payments. Subscription-Based Checkout. Product Bundles. Advanced Product Filtering. Upsells & Cross-Sells. Cart Abandonment Recovery. eCommerce CRO. WooCommerce to Shopify Migration. Shopify Migration Expert. Magento to Shopify Migration. BigCommerce to Shopify Migration. Full Store Migration. Shopify Store Redesign. Shopify UX/UI Optimization. Shopify Ongoing Support. Shopify Bug Fixes. Emergency Shopify Fixes, Performance Audits. Klaviyo Integration. Full-Stack Shopify Developer. Full-Stack eCommerce Developer. 📆 Last Updated: 06/30/2026

I am a top-rated senior software engineer with 8+ years of professional experience working with JavaScript frameworks like React, Vue, Angular, Node, Express, Nest, Meteor, Feather, and PHP platforms including Laravel, Symfony, powerful blockchain technologies such as Web3.js, Ethers.js, Solidity, Truffle, and all things about DeFi, dApp, NFT and more. The technologies I use every day include React, JavaScript, TypeScript, Node, MySQL, HTML5, CSS3, Docker and more. Why should you hire Elias? *Extensive experience in web development: With over 7 years of experience in web development, MVP, SaaS, this freelancer possesses a strong understanding of various programming languages, frameworks, and libraries. Their expertise in PHP, Laravel, React, and Vue.js makes him an excellent choice for businesses looking to create a new website or improve an existing one. *Attentive to detail: As demonstrated by their past work and client feedback, this freelancer has a keen eye for detail and a commitment to delivering high-quality work. They are able to identify and resolve issues quickly, ensuring that projects are completed on time and to the client's satisfaction. *Exceptional communication skills: With a proven track record of effective communication with clients and team members, this freelancer understands the importance of keeping everyone on the same page. They are responsive, proactive, and able to explain complex technical concepts in simple terms, making them a valuable asset to any project team. Overall, with their extensive experience in web development, attention to detail, and exceptional communication skills, this freelancer would be an ideal candidate for any business looking to improve their online presence or develop a new web-based project.

🌟 𝐈𝐬 𝐲𝐨𝐮𝐫 𝐰𝐞𝐛 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦 𝐟𝐚𝐜𝐢𝐧𝐠 𝐬𝐥𝐨𝐰 𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞, 𝐜𝐨𝐝𝐞 𝐢𝐬𝐬𝐮𝐞𝐬, 𝐨𝐫 𝐛𝐚𝐜𝐤𝐞𝐧𝐝 𝐥𝐢𝐦𝐢𝐭𝐚𝐭𝐢𝐨𝐧𝐬? 𝐋𝐞𝐭 𝐦𝐞 𝐡𝐞𝐥𝐩 𝐲𝐨𝐮 𝐛𝐮𝐢𝐥𝐝 𝐟𝐚𝐬𝐭, 𝐬𝐞𝐜𝐮𝐫𝐞, 𝐚𝐧𝐝 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐟𝐮𝐥𝐥-𝐬𝐭𝐚𝐜𝐤 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 — 𝐟𝐫𝐨𝐦 𝐩𝐨𝐰𝐞𝐫𝐟𝐮𝐥 𝐀𝐏𝐈𝐬 𝐭𝐨 𝐬𝐦𝐨𝐨𝐭𝐡 𝐔𝐈𝐬 𝐮𝐬𝐢𝐧𝐠 𝐍𝐨𝐝𝐞.𝐣𝐬, 𝐑𝐞𝐚𝐜𝐭, 𝐆𝐨𝐥𝐚𝐧𝐠, 𝐚𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 𝐥𝐢𝐤𝐞 𝐀𝐖𝐒 🌟 I’m 𝐊𝐢𝐫𝐚𝐧, a 𝐓𝐨𝐩-𝐑𝐚𝐭𝐞𝐝 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 & 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 with 𝟕+ 𝐲𝐞𝐚𝐫𝐬 of experience building high-performance 𝐰𝐞𝐛 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬, 𝐜𝐮𝐬𝐭𝐨𝐦 𝐀𝐏𝐈𝐬, 𝐜𝐥𝐨𝐮𝐝-𝐧𝐚𝐭𝐢𝐯𝐞 𝐚𝐩𝐩𝐬,and 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐛𝐚𝐜𝐤𝐞𝐧𝐝 𝐢𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞𝐬. From intuitive frontends to powerful server-side systems, I handle the entire stack — so you can focus on growth. 🧰 𝐖𝐡𝐚𝐭 𝐈 𝐎𝐟𝐟𝐞𝐫: 🟢 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐖𝐞𝐛 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 ✔ React, Next.js, Vue, Angular ✔ Tailwind, Bootstrap, Material UI ✔ TypeScript, Redux, Zustand ✔ Next.js SSR optimization ✔ Server-side rendering for SEO ✔ Next.js performance tuning 🟢 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & 𝐀𝐏𝐈𝐬 ✔ Node.js, Express.js, NestJS, Golang, Ruby on Rails ✔ PostgreSQL, MongoDB, MySQL, Firebase ✔ REST APIs, GraphQL, WebSockets ✔ JWT Auth, OAuth2, Role-Based Access ✔ Microservices, Monolith Refactoring 🟢 𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐂𝐥𝐨𝐮𝐝 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 ✔ AWS (EC2, S3, Lambda, CloudWatch) ✔ Docker, Kubernetes, DigitalOcean, Vercel ✔ CI/CD: GitHub Actions, GitLab, Jenkins ✔ Load Balancing, Auto Scaling, Domain Setup 🟢 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐒𝐮𝐩𝐩𝐨𝐫𝐭 ✔ Flutter, Swift, Kotlin integration ✔ Real-time Database APIs (Firestore, Supabase) ✔ App Store-ready APIs and Authentication ✔ Firebase Cloud Messaging & Push Notifications 🟢 𝐄-𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 & 𝐂𝐌𝐒 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬 ✔ Shopify Theme Integration & Storefront APIs ✔ WordPress + WooCommerce Custom Plugins ✔ CMS: Webflow, Duda, Bubble ✔ Stripe, PayPal, Braintree API integrations 🟢 𝐓𝐨𝐨𝐥𝐬 & 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 ✔Node.js, React.js, Vue.js, Angular, TypeScript, ✔Tailwind, Golang, Ruby on Rails, PostgreSQL, ✔MongoDB, MySQL, Firebase, AWS, Docker, ✔Vercel, Kubernetes, GitHub Actions, CI/CD, ✔Redis, GraphQL, REST APIs, Stripe, Twilio, Figma, WebSockets 💡 𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞? ✔ Full Stack Expertise — frontend, backend, cloud ✔ Strong communication & clear timelines ✔ Top Rated with 100% Job Success ✔ Detail-oriented & scalable architecture ✔ Clean, well-documented, testable code ✔ On-time delivery, reliable collaboration 🧩 𝐏𝐫𝐨𝐣𝐞𝐜𝐭 𝐓𝐲𝐩𝐞𝐬 𝐈 𝐖𝐨𝐫𝐤 𝐎𝐧: 🔸 SaaS platforms 🔸 Admin dashboards 🔸 Multi-user web apps 🔸 E-commerce integrations 🔸 CMS customizations 🔸 DevOps deployments 🔸 API integrations 🔸 MVP to Enterprise scaling 📬 𝐑𝐞𝐚𝐝𝐲 𝐭𝐨 𝐁𝐮𝐢𝐥𝐝 𝐒𝐨𝐦𝐞𝐭𝐡𝐢𝐧𝐠 𝐏𝐨𝐰𝐞𝐫𝐟𝐮𝐥? If you need a reliable 𝐟𝐮𝐥𝐥-𝐬𝐭𝐚𝐜𝐤 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 who can ship fast, communicate clearly, and build systems that scale — let's connect! I’m always ready to jump into meaningful projects. ✅ 𝐊𝐞𝐲𝐰𝐨𝐫𝐝𝐬: Next.js SSR Optimization, SaaS Microservices Architecture, Realtime Dashboard Developer, GraphQL Subscriptions, Node.js Performance Optimization, Serverless AWS Lambda, Headless CMS Integration, Shopify Storefront API, Next.js i18n Developer, Monolith to Microservices Migration, CI/CD Pipeline Optimization, Cloud-native API Development, MVP Prototyping for Startups, PostgreSQL Optimization, WebSocket Engineer, Dockerized Deployment

Need an experienced developer & UI/UX designer who understands how to build scalable, enterprise-ready SaaS applications that convert users and drive business growth? I have 13+ years of experience specializing in UI/UX design & Front-end development, having delivered solutions for: ✅ Large enterprises (+1000 employees, +$50M yearly revenue) ✅ Government organizations with strict compliance requirements (EU/GDPR) ✅ SaaS startups and scale-ups worldwide My Expertise: • Frontend Development: Next.js, TypeScript, React, Tailwind CSS • UI/UX Design: User-centered design that transforms complex workflows into intuitive experiences • Enterprise Compliance: ISO 27001, SOC 2, GDPR, OWASP Top 10 security standards • Scalable Architecture: Multi-tenant SaaS applications built for exponential growth I've developed SaaS applications for governmentally owned companies in the EU with some of the most strict privacy and compliance requirements in the world. This experience has taught me to build security and compliance into every layer of the application from day one, not bolt it on afterward. What Makes Me Different: I combine technical expertise with design excellence to create SaaS applications that not only meet enterprise compliance standards but also deliver exceptional user experiences. I understand that beautiful design means nothing if it doesn't convert, and robust code means nothing if users can't navigate it intuitively. My Tech Stack: • Frontend: Next.js, React, TypeScript, Tailwind CSS, Shadcn/ui • Backend Integration: Supabase, Stripe, Vercel AI SDK • Design: Figma, Design Systems, WCAG Compliance • DevOps: Vercel, GitHub, Sentry, PostHog, Playwright --- Client Feedback: "I have used Upwork (previously Odesk/Elance) for the past 6 years. Once in a while you meet someone who is exceptionally talented. When it comes to graphics/branding design, Fabian is really the person who I can work with. He combines his experience and rich background with his exceptional skills to produce work that was beyond what I expected. He is very professional, diligent, strong character, team player, and speaks English like a native. He really went beyond what I have expected. It is so easy on Upwork to look for someone cheap to get the job done, but I would have paid up to double to work with Fabian." "Fabian was a pleasure to work with! His knowledge and guidance was highly appreciated when having the difficult task of merging three corporate logos into one entity. I will enjoy working with Fabian again, and give him our highest recommendations." “Easy to work with, creative, positive and always available! And most importantly; you understand exactly what your clients are trying to achieve. I’m looking forward to more collaboration in the future.” “Super pleased with what Fabian created and it is totally in line with my wishes and wants. An easy collaboration with great service! Thank you again Fabian.” "Great presentation skills and creativity to think outside of the box and bring concepts to life. Very professional and punctual with deadlines. Loved his work ethic. I will certainly be using his services over and over again in the future." --- Services I Provide: • SaaS Application Development (MVP to Enterprise) • Enterprise UI/UX Design & User Research • Frontend Development & Performance Optimization • Design Systems & Component Libraries • Compliance Implementation (GDPR, SOC 2, ISO 27001) • Multi-tenant Architecture Design • Responsive Web Applications • API Integration & Development Ready to transform your SaaS vision into a scalable, compliant, and user-friendly reality? Let's discuss your project. 🚀

Front-end developer with 10+ years of experience building and maintaining high-traffic websites and web applications. Proven ability to work independently and as part of a team to deliver high-quality products. Expertise in HTML, CSS, JavaScript, Typescript, and popular front-end frameworks such as React, React Native, and Next.js. Strong problem-solving and debugging skills. Experience with Node.js and Express.js for backend development.