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$34/hr
$40K+ earned
Available now
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I specialize in building modern, scalable SaaS platforms (Web and Mobile) using React.js, Next.js, and TypeScript. My approach combines clean architecture, strong UI/UX principles, and reusable component libraries to deliver products that perform at scale.
Currently, I work at InventorSoft, a software development agency delivering high-quality web and mobile applications to SaaS companies worldwide.
My areas of expertise include:
- 8+ years of React.js development – building fast, modular, and high-performance frontends for SaaS, e-commerce, and enterprise platforms.
- 6+ years of Next.js expertise – delivering SEO-friendly, server-side rendered, and statically generated applications for speed and scalability.
- 8+ years of JavaScript mastery – implementing interactive, maintainable, and optimized UI logic.
- 6+ years of TypeScript-first development – creating type-safe, maintainable codebases for large-scale projects and distributed teams.
- Responsive UI & mobile-first design excellence – ensuring seamless performance and layouts across devices using modern CSS techniques.
- 4+ years of Tailwind CSS & Styled Components experience – crafting scalable, utility-first styles and theme-based UI systems.
- REST API & GraphQL integration – enabling dynamic, data-driven applications with secure, optimized API consumption.
- Figma-to-code expertise – translating pixel-perfect designs into functional, accessible interfaces with consistent design systems.
- Atomic Design & design system implementation – creating reusable UI libraries for long-term scalability and maintainability.
✅ Why Hire Me:
✅ React & Next.js mastery – building component-driven, server-rendered, and static sites for optimal performance.
✅ TypeScript-first approach – ensuring maintainable, type-safe applications that reduce bugs and improve collaboration.
✅ Responsive, accessible UI – leveraging Tailwind CSS, Styled Components, and modern CSS to deliver polished, mobile-friendly interfaces.
✅ API-driven development – integrating REST APIs and GraphQL endpoints for dynamic, scalable data handling.
✅ UI/UX alignment – transforming Figma designs into functional products that match both brand and usability goals.
✅ Team leadership – guiding front-end teams, setting up workflows, and aligning technical execution with business objectives.
🎯 Key Achievements:
🎖 Delivered 40+ production-ready React applications – optimizing for speed, user engagement, and reusable component libraries.
🎖 Built modern front-end architectures – using Next.js, Tailwind CSS, and TypeScript for fast-growing startups.
🎖 Helped clients achieve 5+ successful product acquisitions by building scalable, maintainable, and UI-focused platforms
🎖 Developed a custom React dashboard for a multi-billion-dollar oil corporation, streamlining internal operations via REST APIs and modern UI systems.
Our clients:
💻 Shoeby – React-powered fashion retail platform with personalized product flows and seamless UX
💻 CellRebel – Mobile analytics dashboard built in React + D3.js for real-time telecom performance insights
💻 Blade – Booking and flight-tracking interfaces for an air mobility platform using React + Tailwind
💻 Matics – Real-time operations dashboard for manufacturers with React, REST, and data visualization
💻 MedischeScholing – Medical e-learning platform for tracking certifications and training using React
React JavaScript CSS TypeScript Web Application HTML Web Development Node.js HTML5 API MongoDB Next.js Redux API Integration CSS 3 AI Agent Development Full-Stack Development GraphQL Vue.js Git React Native AJAX Amazon Cognito Angular App Development AWS Amplify AWS Application AWS AppSync AWS Lambda Custom PHP ECMAScript Ecommerce Website Generative AI Java jQuery Material UI Mobile App Dev Tools mui NGINX PHP Python RESTful API SQL Tailwind CSS UX & UI Website Amazon Web Services Flutter FlutterFlow GitHub Sass Bootstrap
Associated with
InventorSoft
$58/hr
100%
Job Success
$900K+ earned
Available now
Offers consultations
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Alexey V.
has worked
.
For over 10 years I have been a reliable full stack developer and React developer partner for SaaS, Healthcare, AI, and IoT companies. My main focus is full stack web development using React, Next.js, and Node.js.
🏆 Expert-Vetted | Top 1% on Upwork | 100% Job Success Score
✅ 10+ Years as a full-stack developer and React developer
🚀 76,800+ hours of full stack React, Next.js, and Node.js development invested across our team
Sounds like a fit? 𝗦𝗲𝗻𝗱 𝗺𝗲 𝗮 𝗺𝗲𝘀𝘀𝗮𝗴𝗲 or book a consultation directly from my profile. I respond same day.
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As a full stack developer I have contributed to products acquired by tech giants like New Relic, built platforms that integrated with LinkedIn, Twitch, SimilarWeb, Philips, and SAP, worked on cloud infrastructure serving over 150 million monthly users, and helped develop an AI and IVF product that resulted in dozens of successful pregnancies.
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𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 as a full stack developer and React developer
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▸ Frontend: React, Next.js, TypeScript, JavaScript, Vue.js, HTML5, CSS3, Tailwind, Bootstrap, Redux, SWR
▸ Backend: Node.js, Nest.js, Express, Koa, WebSockets, Prisma
▸ Databases: PostgreSQL, MongoDB, MySQL, Supabase, Firebase, DynamoDB
▸ Cloud and DevOps: AWS (Lambda, Cognito, Amplify, S3, IoT), CI/CD pipelines, Docker
▸ Mobile: React Native, Flutter
▸ AI Integration: LLM integration, AI-powered SaaS features, data pipeline development
▸ CMS and Web: WordPress, headless CMS, web design, responsive layouts
As a full stack developer I handle both the frontend and backend, meaning you get one senior point of contact who understands how every layer of the product connects. Whether you need a React developer for a complex SaaS frontend, a Node.js backend engineer for a scalable API, or a full-stack developer to own the entire build from design handoff to deployment, I take full ownership from the first line of code to production.
I also bring team lead and CTO-level experience, including code reviews, CI/CD setup, front end developer reporting, and engineering process design. Smaller teams do bigger things, and I have spent 10+ years proving that well-structured processes and a focused full stack React and Node.js team deliver better outcomes than large fragmented ones.
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𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 I have worked with as a full stack developer
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▸ SaaS and DevOps: scalable full stack React and Node.js platforms for engineering and data teams
▸ Healthcare and BioTech: HIPAA-aware React frontends and full stack Node.js backend systems
▸ AI and ML Products: React interfaces for AI-powered platforms with full stack Node.js and AWS backends
▸ IoT and Infrastructure: Next.js dashboards connected to real-time IoT device data via AWS
▸ EdTech and EduTech: interactive full stack React learning platforms with content management systems
▸ Travel and Legal: full stack React and Node.js product builds across consumer and B2B verticals
My full stack developer experience spans these domains because the engineering principles are the same: clean component architecture, reliable Node.js APIs, and a React frontend that feels fast and works correctly on every device.
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𝗠𝘆 𝗮𝗽𝗽𝗿𝗼𝗮𝗰𝗵 as a full-stack developer
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I have found one consistent truth: well-structured product development processes lead to the best outcomes. I implement SSR and PWA approaches in Next.js where they improve performance, I use TypeScript across React and Node.js for type safety and maintainability, and I deliver regular progress reports so you always know where the build stands.
Internal guidelines, structured code reviews, and clear engineering processes mean my team delivers projects with a 90% adherence to initial estimates, which is what long-term clients who have been with us for 1,000+ hours actually care about.
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📩 𝗟𝗘𝗧'𝗦 𝗕𝗨𝗜𝗟𝗗
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Check out my past full stack developer projects below, then 𝘀𝗲𝗻𝗱 𝗺𝗲 𝗮 𝗺𝗲𝘀𝘀𝗮𝗴𝗲 and let us build your product together.
Associated with
OVERCODE
$700K+
earned
$35/hr
100%
Job Success
$300+ earned
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Product & Project Manager at RGB Web Studio with over 10 years of experience in digital projects. My key role is to connect business goals 🎯, users, and the team so that the website, online store, or product is launched on time, without chaos, and with predictable results.
I am responsible for process management, project structure, requirements, communication, and quality control at all stages ✅. I work with both new projects and existing products that need redesign, development, or scaling.
RGB Web Studio consistently receives 5⭐ reviews on Clutch and Google, which confirms the quality of our work and our long-term relationships with clients.
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Services: from concept to comprehensive implementation
Full cycle of work: from concept and analytics to design, development, launch, and further project development.
🏢 Creation of clear corporate websites We help reveal the brand, competently present services, and build trust through a well-thought-out structure, UX, and modern design.
🛒 Development of online stores (eCommerce) We create turnkey online stores: catalog, product cards, shopping cart, order placement, payment, integrations, and a convenient user journey.
🚀 Development of modern landing pages Effective and visually appealing landing pages for lead generation, advertising campaigns, and promotion of products and services.
💻 Development of web services, SaaS products, and mobile applications We create innovative solutions that optimize and accelerate business processes.
🎨 Redesign of websites, landing pages, and online stores We improve the user experience, structure, and visual perception of existing projects.
📄 Visual and technical specifications We develop detailed technical specifications that reduce risks, define requirements, and simplify the development process.
🔍 Website audit We conduct comprehensive UX, visual-semantic, and technical analysis to improve the usability, conversion, and effectiveness of the website.
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🏆 Industry:
🔸 Fintech: Interfaces for financial services: transfers, balances, transactions, cards, accounting
🔸 Healthcare: Digital offices, trackers, appointment scheduling, performance analysis
🔸 SportsTech: Platforms for sports analysts, managers, scouts
🔸 EdTech SaaS: Educational platforms where design makes learning convenient and understandable
🔸 Startup: A young, fast-growing company that tests new ideas and creates innovations
🔸 AI: Data-driven products: dashboards, AI features, automated reports
🔸 Crypto & Web3: Wallets, NFT marketplaces, charts, token analytics, DeFi products
🔸 Logistics: Systems for tracking cargo, transport accounting, document management, and driver management
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Our technology stack:
📌 Back-end: PHP (Laravel), Node.js (Nest.js)
📌 DevOps: Docker, Dokploy, Linux, S3
📌 Front-end: React.js, Next.js, Vue.js, Nuxt.js, HTML5, CSS3, Tailwind CSS, shadcn/ui, TanStack Query, zustand
📌 UX/UI: Figma, Adobe Creative Cloud, target audience research, prototyping
📌 Databases: MySQL, PostgreSQL, MongoDB
📌 CMS / eCommerce: WordPress, WooCommerce, Elementor, Strapi
📌 Optimization: technical audit, semantic content analysis, author supervision
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Why choose us:
✅ 10 years of practical experience in website development
✅ Transparent process — from briefing to post-launch support
✅ Intuitive structure, modern UI, and strong UX logic
✅ Reputation confirmed by Clutch 4.9 and Google 5.0
Let's create a clear and modern web project together
Contact us in a way that is convenient for you and receive a detailed and clear proposal
$15/hr
95%
Job Success
Available now
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Rakesh K.
has worked
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🏆 𝐀𝐰𝐚𝐫𝐝-𝐖𝐢𝐧𝐧𝐢𝐧𝐠 𝐅𝐮𝐥𝐥 𝐬𝐭𝐚𝐜𝐤 𝐖𝐞𝐛 𝐃𝐞𝐯𝐞𝐥𝐨𝐩er /𝐖𝐞𝐛𝐬𝐢𝐭𝐞 𝐝𝐞𝐬𝐢𝐠𝐧𝐞𝐫 𝐰𝐢𝐭𝐡 𝟏𝟎+ 𝐘𝐞𝐚𝐫𝐬 𝐨𝐟 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞
𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐢𝐧 𝐅𝐮𝐥𝐥 𝐬𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭| 𝐖𝐞𝐛 𝐃𝐞𝐬𝐢𝐠𝐧 & 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 |𝐖𝐢𝐱 𝐄𝐱𝐩𝐞𝐫𝐭 | 𝐖𝐢𝐱 𝐕𝐞𝐥𝐨 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 | 𝐖𝐢𝐱 𝐄𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 | 𝐖𝐢𝐱 𝐒𝐄𝐎| 𝐔𝐗/𝐔𝐈 𝐃𝐞𝐬𝐢𝐠𝐧| 𝐑𝐞𝐚𝐜𝐭| 𝐋𝐚𝐫𝐚𝐯𝐞𝐥 | 𝐂𝐌𝐒 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭| 𝐖𝐞𝐛𝐬𝐢𝐭𝐞 𝐝𝐞𝐬𝐢𝐠𝐧𝐢𝐧𝐠| 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬| 𝐒𝐡𝐨𝐩𝐢𝐟𝐲| 𝐖𝐈𝐗 | 𝐅𝐫𝐚𝐦𝐞𝐫| E𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭
🌟 𝐑𝐞𝐥𝐢𝐚𝐛𝐥𝐞, 𝐇𝐨𝐧𝐞𝐬𝐭, 𝐚𝐧𝐝 𝐏𝐫𝐨𝐟𝐞𝐬𝐬𝐢𝐨𝐧𝐚𝐥 | 💯 𝟏𝟎𝟎% 𝐂𝐥𝐢𝐞𝐧𝐭 𝐒𝐚𝐭𝐢𝐬𝐟𝐚𝐜𝐭𝐢𝐨𝐧 | 🚀 𝐐𝐮𝐢𝐜𝐤 𝐋𝐞𝐚𝐫𝐧𝐞𝐫 & 𝐏𝐫𝐨𝐛𝐥𝐞𝐦 𝐒𝐨𝐥𝐯𝐞𝐫 | ⏰ 𝐎𝐧-𝐓𝐢𝐦𝐞 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐲 | 🤝 𝐋𝐨𝐧𝐠-𝐓𝐞𝐫𝐦 𝐏𝐚𝐫𝐭𝐧𝐞𝐫
With over a decade of experience in Website development, I bring a deep understanding of creating dynamic, high-performing websites that resonate with users. As a skilled Figma and UX/UI expert, I specialize in transforming ideas into visually stunning and user-friendly designs. My background in graphic design allows me to craft cohesive brand identities that captivate and engage audiences.
Full Stack Development
⚙️ Frontend: React.js, JavaScript (ES6+), HTML5, CSS3, Tailwind, Bootstrap
⚙️ Backend: Laravel, Node.js, PHP, REST APIs
⚙️ Databases: MySQL, Supabase, Firebase
⚙️ SaaS App Development: Multi-tenant SaaS apps, dashboards, admin panels, authentication, subscriptions
🧑💻Core Skills & Technologies:
⚙️ WordPress: PSD to WordPress theme conversion, WooCommerce integration.
⚙️ Shopify, Wix, PHP, MySQL, React, HTML/CSS, JavaScript: custom and responsive design.
⚙️ Wix: Wix Theme Customization , Wix Template Modification, Custom Wix Development
⚙️ Graphic Design & Optimization: Seamless site migrations, and optimization with tools like GTmetrix and Page Speed Insights
⚙️ Complete knowledge and experience of the custom framework of PHP like Laravel, CodeIgniter etc.
⚙️ Completely custom WordPress themes, coded to meet your needs perfectly.
⚙️ Customization of any theme to match your business and brand, including Elementor, Avada, Divi, BeTheme, The7, and Newspaper, etc.
⚙️ Plugin development and customization, including Woo-commerce, Events Calendar Pro, Slider Revolution, Ninja Forms, Buddy Press, Ultimate Member, BB Press, and others.
⚙️ Complete knowledge of back end development like API integration and database like MYSQL.
⚙️ JavaScript development, including React.js.
⚙️ Social networking and membership sites.
⚙️ Marketplace and Multi vendor website development.
⚙️ Sustainable, user-centered design.
⭐Additionally I also use Figma to design user interfaces and interactive prototypes, ensuring a smooth design process and effective client collaboration.
𝑰𝒏𝒅𝒖𝒔𝒕𝒓𝒊𝒆𝒔 𝑰’𝒗𝒆 𝑺𝒆𝒓𝒗𝒆𝒅:
⚙️ Ecommerce Website: Shoe Store, Furniture ,clothing store, Wellness Shop, T- Shirt Store
⚙️ Business Website: Law firm sites, local service providers, Wealth & Finance, tech company websites.
⚙️ Portfolio Website: Designers, photographers, artists, writers.
⚙️ Personal Website: Personal blogs, online resumes, hobby sites.
⚙️ Blog Website: Lifestyle blogs, travel blogs, niche topic sites.
⚙️ Service providers: Cleaning Company website, Roofing Services, Beauty Salon, Construction Company, Interior Designer, Pet Care Provider, Bookkeeping service
⚙️ Coaching Professional , Health & Fitness, Yoga studio , Spa
⚙️ Food & Hospitality: Cafe & Restaurant Website, Coffee Shop, Luxury Hotel
⚙️ Travel & Tour Website: Hotel Booking website, Ticket booking websites
⚙️ Cannabis lounge/dispensary, Film /Video Production
⚙️ SaaS startups
Whether you're looking to build a robust website using WordPress, Shopify, Laravel, Webflow, Wix, Squarespace , enhance your user experience, or create striking visuals, I have the expertise to deliver results that exceed expectations. Let's collaborate to bring your vision to life!
Thank you for considering my profile. Let’s work together to create something exceptional!
#FullStackDeveloper #WebDevelopment #WordPress #Shopify #HTML #CSS #JavaScript #UXDesign #WebDesign #Freelancer #WebDeveloper #UXUIDesign #WebDesign #CMSDevelopment #UIExpert #FrontendDevelopment #ResponsiveDesign #UserExperience #UserInterface #CreativeDesign #WebsiteDesign #WebDevelopment #CustomWebSolutions #ModernWebDesign #FigmaDesign #CMSExpert #UIUXSpecialist #FullStackDeveloper #VisualDesign #WebDesignTrends
Professional Wix Design | Wix Theme Customization | Wix Template Modification | Wix Graphic Elements | Wix Website Customization Packages | Wix Website Branding | Wix Website Marketing | Wix Website Content Strategy | Wix Website Video Integrationwix Website Design | Custom Wix Development | Wix Design Specialist | Responsive Wix Design | Wix Blog Setup | Wix Website Faq Section | Wix Website Contact Forms | Wix Website Social Proof | Wix Website Pop-ups
Associated with
Pixxelu Digital Technology
$30/hr
100%
Job Success
$50K+ earned
Available now
Offers consultations
Start of list.
End of list.
Maksym K.
has worked
.
🏆 Flutter Developer | Mobile App Developer | Full Stack Developer
⭐️⭐️⭐️⭐️⭐️ "Maksym is a rare Flutter Developer who thinks like a Full Stack Developer." — Client, GreenTech
🔥 ACHIEVEMENTS AS A FLUTTER DEVELOPER, MOBILE APP DEVELOPER & FULL STACK DEVELOPER
✔️ 8+ years and 40+ shipped products as a Flutter Developer, Mobile App Developer, and Full Stack Developer across iOS, Android, and web.
✔️ As a Flutter Developer and FlutterFlow specialist, I built a solar energy app with Firebase and real-time IoT data — result: +45% active monthly users.
✔️ As a Mobile App Developer for a gov telemedicine platform, I shipped video consultations in Flutter Firebase — result: +40% remote consultations, –30% in-person visits.
✔️ As a Full Stack Developer, I paired Flutter Dart mobile clients with React and Laravel backends, cutting release cycles by 30%.
✔️ 10,000+ Upwork hours and 100% Job Success as a Flutter Developer, Full Stack Developer, and Mobile App Developer.
✔️ 1.2★ to 4.9★ rating recovery as a Mobile App Developer via Crashlytics-driven fixes on a high-load mobility app.
✔️ As a full stack developer react, I connected Flutter mobile app development to Node.js and MongoDB APIs, lifting checkout conversion by 22%.
✔️ 12+ FlutterFlow / Bubble no-code builds delivered as a Flutter Developer, alongside custom Flutter Dart code for teams needing full control.
✔️ As a Mobile App Developer and senior mobile app developer, I mentor small teams on Flutter Firebase architecture and App Store/Play Store release.
✔️ 20+ mobile app design and mobile app development projects, from mobile ui ux designer wireframes to production Flutter Dart builds.
🚀 WHERE I DELIVER AS A FLUTTER DEVELOPER, MOBILE APP DEVELOPER & FULL STACK DEVELOPER
✔️ Flutter Developer work: FlutterFlow, Flutter Firebase, Flutter Dart, Flutter mobile app developer builds, flutter app developer sprints, flutter laravel backend pairings, and flutter full stack developer integrations.
✔️ Mobile App Developer work: mobile application developer builds spanning mobile app design, mobile app marketing funnels, mobile game developer prototypes, mobile app tester QA passes, and mobile app builder no-code (Bubble, Adalo, Glide) MVPs.
✔️ Full Stack Developer work: python full stack developer APIs, wordpress full stack sites, .net full stack integrations, full stack developer react dashboards, javascript fullstack builds, fullstack web developer and senior fullstack developer architecture — full-stack development end to end.
✔️ As a web developer and react developer, I build react native and react native developer apps sharing logic with Flutter mobile app development, so clients get a Mobile App Developer and Full Stack Developer under one roof.
📌 MORE WAYS I HELP CLIENTS
✔️ As a senior mobile app developer and Full Stack Developer, I run wordpress developer projects on a clean, SEO-first structure — real seo wins, not guesswork.
✔️ As a react developer and react native developer, I extend Flutter mobile app development with flutter app developer sprints, flutter laravel integrations, and flutter mobile app developer consulting for teams that already picked their stack.
✔️ As a full-stack web developer and blockchain developer, I connect smart-contract front ends to mobile app marketing dashboards, mobile application developer backends, and mobile ui ux designer flows.
✔️ From flutter full stack developer builds to python full stack developer APIs, wordpress full stack sites, and .net full stack integrations — plus javascript fullstack, fullstack web developer, and senior fullstack developer work, with full-stack development delivered end to end.
🏭 INDUSTRIES: GreenTech · Public Healthcare · FinTech · Mobility · E-commerce · EdTech
⚙️ TECH STACK IN ACTION
✔️ 40+ cross-platform builds in Dart and Flutter across Smartphone, Android App Development, and iOS Development projects — plus native Android and Swift / Apple Xcode when a client needs a fully native layer.
✔️ Full Stack Developer web layer: Node.js, PHP, and JavaScript APIs served through HTML, CSS, and Angular front ends, wired to the same Flutter mobile app development codebase.
✔️ Engineering discipline: Git-based workflows, Agile Software Development sprints, and Software Architecture & Design reviews keep Mobile App Developer and Full Stack Developer builds — mobile and Desktop Application alike — shippable on schedule.
✔️ Cloud and data layer: Google Cloud Platform hosting, Firebase Cloud Firestore models, secure User Authentication, and REST API integrations power the backend for every Flutter Developer project.
💼 EVERY PROJECT INCLUDES As a Flutter Developer, Mobile App Developer, and Full Stack Developer, I own the build end-to-end — clean architecture, tested releases, clear handoff docs.
📩 Explain me your app idea or codebase — I'll reply with a free technical breakdown as your next Flutter Developer, Mobile App Developer, or Full Stack Developer.
Associated with
NVCoding
$50K+
earned
$25/hr
77%
Job Success
$80K+ earned
Available now
Start of list.
End of list.
With over a decade of experience and successful collaborations with 30+ startups, I bring a unique blend of deep technical expertise and creative problem-solving to deliver scalable, secure, and user-focused solutions. As a Senior Full Stack Developer, I specialize in building everything from SaaS products and modern e-commerce platforms to AI-driven applications, bridging the gap between business vision and technical execution across front-end, back-end, DevOps, and AI/ML domains.
🛠️ Full Tech Stack Breakdown:
🔍 Back-End Magic:
Languages & Frameworks:
Node.js (Express, NestJS) | Python (Django, FastAPI, Flask) | Ruby on Rails | PHP (Laravel)
Databases:
PostgreSQL | MySQL | MongoDB | Redis | SQLite
API Design & Integration:
RESTful APIs | GraphQL | gRPC | WebSockets
Third-party API integrations (Stripe, Firebase, AWS, Twilio, Social Media APIs)
🖌️ Front-End Innovation:
Libraries & Frameworks:
React.js | Next.js | Angular | Vue.js | Svelte
UI & Styling:
TypeScript | Tailwind CSS | Bootstrap | Material UI | Chakra UI | SCSS | LESS
State Management:
Redux | Context API | Recoil | Zustand
Build Tools & Bundlers:
Webpack | Vite | Babel | ESLint | Prettier
📱 Mobile App Development:
React Native | Expo | Flutter (Dart)
☁️ Cloud & DevOps:
Platforms:
AWS (EC2, S3, RDS, Lambda, CloudFront) | GCP | Azure | Heroku | Vercel | Netlify
Containerization & Orchestration:
Docker | Kubernetes
CI/CD & Deployment:
GitHub Actions | GitLab CI | Jenkins | Bitbucket Pipelines
Monitoring & Logging:
Prometheus | Grafana | ELK Stack | Sentry
🤖 AI / Machine Learning / Data Science:
Languages & Libraries:
Python | R | Scikit-learn | TensorFlow | Keras | PyTorch | XGBoost | OpenCV
NLP & LLMs:
spaCy | Hugging Face Transformers | NLTK | GPT (OpenAI API) | LangChain | LLaMA | RAG
Data Science & Analytics:
Pandas | NumPy | Matplotlib | Seaborn | Plotly | PowerBI
Big Data & Cloud AI:
Apache Spark | PySpark | Databricks | Google BigQuery | Azure AI Studio | AWS SageMaker
Database & ETL:
Snowflake | Airflow | dbt | PostgreSQL | MongoDB | Kafka
🔄 Development Workflow:
Version Control: Git (GitHub, GitLab, Bitbucket)
Agile/DevOps: Jira | Trello | Slack | ClickUp
Code Quality & Testing:
RSpec | PyTest | Jest | Mocha | Cypress | Postman
🌟 Client Satisfaction:
I’ve delivered results to high-growth startups across industries like e-commerce, media tech, fintech, healthcare, real estate, and education. My focus is always on performance, security, scalability, and user experience. Clear communication, reliable delivery, and a proactive mindset are what I bring to every project.
🚀 Ready to Elevate Your Vision?
If you're looking for a senior-level developer who can lead and build full-stack applications, integrate AI/ML capabilities, and deliver secure, modern solutions. Let's talk.
✉️ Contact me now, let’s build something great together!
$60/hr
100%
Job Success
$1M+ earned
Start of list.
End of list.
Ivan P.
has worked
.
I am a business developer leading a dedicated in-house team of highly skilled web and mobile development professionals with over 30 years of combined experience. Our team specializes in delivering comprehensive digital solutions, including custom websites, web applications, mobile applications, CMS platforms, e-commerce systems, and crowdfunding solutions. Our mission is to help businesses achieve their goals by combining technical expertise, strategic thinking, and creative design.
We have extensive experience working with a wide range of content management systems, including Drupal, WordPress, Joomla, and Magento, enabling us to build flexible, scalable, and secure websites that align with our clients’ unique requirements. On the e-commerce side, we design and develop high-performance online stores and web applications using WooCommerce, Drupal Commerce, BigCommerce, Shopify, as well as fully custom solutions tailored to specific business needs.
Our development team is proficient in multiple programming languages, including PHP, Ruby, Python, and Perl, and leverages modern front-end and back-end frameworks such as AngularJS, Angular, Polymer, React, Bootstrap, Semantic UI, Laravel, Symfony, Django, and Catalyst. This allows us to deliver robust, scalable, and maintainable web applications. Our database expertise spans MySQL, PostgreSQL, and MongoDB, ensuring efficient and reliable data management for all types of projects.
In addition to web development, we create seamless mobile application experiences using NativeScript, React Native, PhoneGap, as well as native iOS and Android development using Objective-C, Swift, and Java. Our team has extensive experience integrating payment gateways and processors, including Stripe, PayPal, Moneris, Braintree, and Authorize.net, supporting everything from simple integrations to fully customized web and mobile payment solutions.
Beyond development, we provide end-to-end hosting, deployment, and infrastructure services. Our offerings include fully managed dedicated and shared hosting on our high-speed, custom infrastructure, complete with monitoring, backup, and maintenance. We also manage deployment and configuration on external cloud platforms such as AWS, GCP, Digital Ocean, Vultr, Acquia, Pantheon, and Rackspace, ensuring smooth, secure, and reliable operations.
A key differentiator for our team is that all work is completed in-house—we do not outsource any projects. This allows us to maintain consistently high quality, security, and responsiveness, while fostering strong client relationships through direct communication and collaboration. Our offices in Vancouver and Kelowna, Canada, operating in the PST time zone, allow us to serve clients efficiently across North America and internationally.
Our approach combines technical excellence, creative problem-solving, and strategic insight. From initial consultation and concept design to development, deployment, and ongoing support, we provide comprehensive solutions that drive measurable results for businesses of all sizes. With our expertise and full-service capabilities, we ensure that every project we undertake is delivered on time, on budget, and to the highest standards of quality.
Associated with
DevRadius Inc.
$100K+
earned
$75/hr
100%
Job Success
$100K+ earned
Available now
Offers consultations
Start of list.
End of list.
David P.
has worked
.
Shopify Plus Expert Developer | Expert-Vetted • Top Rated Plus
I help startups, growing, and enterprise eCommerce brands design, develop, and scale high-performing Shopify and Shopify Plus stores with over 15 years of experience in full-stack development and more than 10 years specializing in Shopify. You can expect clear timelines, weekly check-ins, complete transparency, and clean code that’s always version-controlled. I’m available for video calls, consistent communication, and post-launch support. The technologies I work with, but not limited to, are: Shopify, Shopify Plus, Figma, GitHub, Klaviyo, Google Analytics, HTML, CSS, JS, Liquid, and JSON.
📊 Client Results:
✓ +25% conversion rate through optimized product pages & A/B testing
✓ Mobile PageSpeed score boost from 42 → 85
✓ +18% AOV using cross-sell/upsell logic and cart drawer
✓ 100+ migrations from WooCommerce with zero SEO loss
I’ve built, migrated, and optimized thousands of stores across various categories such as:
🧥 Fashion & Apparel
🧴 Health & Beauty
🛋 Home & Living
🛠 Home Improvement & Hardware
🧸 Toys & Baby Products
🐶 Pet Products
🎨 Art & Collectibles
🍫 Food & Beverage
🧘 Fitness & Wellness
🛠 Tech & Gadgets
📚 Books, Digital & Educational Products
Let’s bring your vision to life — here’s how I can help make it happen:
🛠️ Store Setup & Development
Store setup, redesigns & migrations (e.g., WooCommerce, Wix)
Custom Shopify theme development (Liquid, HTML, CSS, JS)
Shopify Plus & checkout customizations
Landing page creation (e.g., product launches, promos)
Bundles, subscriptions, and memberships
Multi-currency setup
Product listing and bulk upload, custom fields
🎨 Design & UX/UI
Mobile-first UX/UI design & branding
Mobile-responsive design optimization
Store UX/UI audit and improvement
🔌 App & API Integrations
App integrations (Recharge, Klaviyo, CRMs, shipping APIs)
Fulfillment services (dropshipping, warehouse API integration)
Upsell/cross-sell apps & strategies
📈 Performance, Marketing & SEO
SEO, speed optimization & CRO strategies
Shopify SEO (on-page & technical)
Google Ads, email marketing setup (Klaviyo, Omnisend)
📦 Ongoing Support & Strategy
Monthly support & troubleshooting packages
Monthly support packages
Consulting & Training
Let’s build a high-converting Shopify store that reflects your brand and drives results. Message me to get started!
Site Examples:
★ healthyline.com
★ uppababy.com
★ aquablumosaics.com
★ shopkoopman.com
★ shopstage.co
★ invigor8.com
★ zebracbd.com
★ irvingfarm.com
★ chomps.com
★ flamingoestate.com
★ licorice.com
★ bcdevices.com
★ bloomist.com
★ schuilcoffee.com
★ beeandkin.com
★ pinkdoorfabrics.com
Associated with
LMP Tech Solutions
$70K+
earned
$30/hr
100%
Job Success
$300K+ earned
Available now
Offers consultations
Start of list.
End of list.
Shubham P.
has worked
.
🌟 Top Rated Plus | Top 1% Talent on Upwork
Hi, I'm Shubham - I help funded startups turn an idea into a working, scalable MVP, and I help growing companies add AI features that actually improve their product's numbers.
Over 8 years and 170+ completed projects, I've built full-stack web apps, mobile apps, and AI-integrated products for startup founders and small teams who need a technical partner, not just a coder for hire.
What I actually do well:
Take an MVP from idea to live product in 6-10 weeks
Add AI features that work - chatbots, recommendation engines, automation - using OpenAI, LangChain, and similar tools, built to solve a real user problem, not just because "AI" sounds good
Build on MERN / Next.js / TypeScript for web, Flutter / React Native for mobile
Set up the cloud and DevOps side properly (AWS, Docker, CI/CD) so it doesn't fall over at 1,000 users
Where I've built the most: fintech, healthtech, and e-commerce products - but the underlying skill (fast, clean, scalable full-stack builds) transfers to most industries.
How I work:
✅ Fixed-scope proposals with clear milestones - you know what you're getting and when
✅ Direct communication - you talk to me, not a rotating cast of account managers
✅ Async-friendly across time zones, fast response time
✅ 100% Job Success on Upwork, Top Rated Plus
If you're a founder trying to get to a real MVP without over-hiring, or a product team that wants to add AI features without a 6-month detour - message me and tell me what you're building. I respond within a few hours.
Shubham Pareek
Associated with
Appic Software Development LLP
$200K+
earned
$30/hr
97%
Job Success
$1M+ earned
Available now
Start of list.
End of list.
Indrajit G.
has worked
.
With over 15 years experience in successfully providing real solutions to my clients as a freelancer, I am proud to have used this success to create the FortMindz , expanding my offering with a in-house dedicated team of collectively minded experts. FortMindz has evolved and will continue to evolve on the traditional values of creative thinking and high-quality design and development that create a tailored solution which reflects the client, enables their story to be told, and enhances their bottom line.
Having delivered on multiple enterprise clients needs, with the utmost regard for their confidentiality, FortMindz will deliver a digitally transformative experience for your business, with specialisation in multi-disciplinary verticals including but not limited to Creative Service, Custom Software Development, Mobile Application Development, Web Application Development, Digital Transformation, E-Commerce Solutions, and Product Engineering.
At FortMindz we strive to offer you a broad experience with industry leading development practices and innovation. No job is too small, we are capable of creating a customised solution for your every need. From something as simple as an appealing company website with a spotless design and solid, dependable back-end logic, to a complex application that runs in the most demanding B2B or B2C marketplaces.
Contact us for a free consultation today.
Associated with
Fortmindz Private Limited