I help startups and growing businesses build scalable, maintainable, and high-performance web applications. With 7+ years of professional experience, I have worked with companies across Europe, North America, and Africa, delivering everything from SaaS platforms and business applications to real-time systems, subscription-based products, and complex backend architectures. I am a former Top Rated Plus freelancer on Upwork with a 100% Job Success Score, reflecting my commitment to quality, reliability, and client satisfaction. My core expertise includes: ✅ React.js & Next.js ✅ Node.js & NestJS ✅ TypeScript ✅ PostgreSQL, MongoDB & MySQL ✅ REST APIs ✅ Docker & Kubernetes ✅ CI/CD & Cloud Deployments ✅ Real-time Applications Over the years, I have: • Built and scaled production applications used by thousands of users • Developed real-time messaging systems and collaborative features • Implemented Stripe subscription and payment solutions • Optimized backend performance and database queries for better scalability • Improved SEO using modern Next.js best practices • Integrated third-party services such as Algolia, payment gateways, and recommendation systems • Designed deployment pipelines and infrastructure for reliable production environments What clients appreciate most about working with me is that I don't simply write code. I focus on building solutions that are maintainable, scalable, and aligned with business goals. My development approach follows proven software engineering principles such as SOLID, DRY, KISS, clean architecture, code reviews, automated testing, and long-term maintainability. I have also mentored junior developers, helping teams improve code quality and engineering practices. While many developers with similar experience charge significantly higher rates, I intentionally keep my pricing competitive to build long-term partnerships and provide exceptional value. If you're looking for a senior developer who can take ownership of a project, communicate clearly, and deliver production-ready solutions without compromising quality, I'd be happy to discuss your project. Let's build something great together.

Hi, I’m Ely Fuentes, a Lead Frontend Developer with 7+ years of experience building and scaling modern web applications. I specialize in React, Next.js, TypeScript, Tailwind CSS, and Node.js, and I’ve led engineering teams to deliver high-performance, user-friendly products for enterprise and startup clients alike. What I bring to your project: Frontend Leadership → Promoted from Frontend → Senior → Lead Developer, mentoring 4 engineers and contributing to the hiring of 5 developers. Modern Stack Expertise → Led migration from a legacy CMS to Next.js, Tailwind, Supabase, Vercel, improving speed (50% faster load times) and user engagement. Full-Stack Capabilities → Experience with Node.js, REST APIs, Supabase/PostgreSQL, MongoDB. Scalable UI/UX → Built reusable component libraries, optimized performance, and integrated analytics (Segment, Algolia). Emerging Tech → Experience integrating AI (OpenAI APIs) into applications and leading React Native mobile app development. I thrive on solving complex problems, delivering clean, maintainable code, and ensuring your app is both beautiful and fast. Services I Offer: Full website/app development (React, Next.js, Tailwind, Supabase, Vercel, ReactNative) Debugging & bug fixes (frontend or backend) Performance optimization (faster load times, smoother UX) API integration (REST, GraphQL, Supabase, Firebase) UI/UX implementation with pixel-perfect responsiveness Mentorship/code review for growing dev teams If you’re looking for a senior-level developer who can both code and lead, I’d love to bring my expertise to your project. Let’s build something great together

Are You looking for Full-Stack Developer? Hi, I’m Rishi Raj Singh, a seasoned Full Stack Developer with 8 years of hands-on experience building high-performance web applications. I specialize in MERN stack, WordPress, API integrations. ✅ Core Expertise MERN Stack Development | Scalable Web Apps WordPress Full Stack Development | Custom Themes & Plugins Laravel and PHP Custom APIs & High-Performance Backend Solutions Fast Turnaround & On-Time Delivery 🛠️ MERN Stack Development Full Stack JavaScript (React.js, Node.js, Express.js, MongoDB) Frontend: React.js, Next.js, Vue.js, Nuxt.js Backend: Express.js APIs | Serverless Functions Databases: MongoDB, Firebase, Firestore Hosting: AWS, Vercel, DigitalOcean | CI/CD Pipelines 🛠️ WordPress Development Custom Theme & Plugin Development WooCommerce & Advanced E-commerce Solutions Speed Optimization & Core Web Vitals Improvements Elementor, Divi, WPBakery, Gutenberg Customizations Advanced Custom Fields (ACF), WPForms, Gravity Forms SEO Optimization, Schema Markup, and Technical SEO Security Hardening & Malware Removal Membership Sites & LMS (LearnDash, Tutor LMS, LifterLMS) Hosting Setup: WP Engine, Kinsta, Cloudways, SiteGround 🛠️ Laravel Development Laravel + PHP Backend Solutions API Development (RESTful & GraphQL) Frontend Integration: Blade, Vue.js, React.js, Alpine.js E-commerce, CMS & Admin Panels (Nova, Filament, OctoberCMS) Authentication, Role Management & Payment Gateways Performance Optimization & DevOps (AWS, DigitalOcean, VPS) 🤖 AI & Algolia Search Solutions Custom AI Search & Algolia Integration Natural Language Processing (NLP) for Search Elasticsearch & Full-Text Search Implementation Chatbots, AI Automations & Predictive Search Search Indexing, Ranking, & Query Optimization 📈 Why Clients Work With Me In-depth technical expertise across leading tech stacks Clean, scalable, and secure code tailored to your business goals Transparent communication and reliable project delivery Ongoing support, post-launch optimization, and maintenance 🧠 Technologies & Tools I Work With MERN Stack, React.js, Next.js, Node.js, Express.js, MongoDB, Firebase WordPress, WooCommerce, Elementor, Divi, Gutenberg, ACF, LearnDash, Tutor LMS, LifterLMS, WP Engine, Kinsta, Cloudways PHP, Blade, Vue.js, Alpine.js, MySQL, PostgreSQL, Filament, OctoberCMS Algolia, Elasticsearch, AI/ML, NLP, Chatbots, Tailwind CSS, Stripe, PayPal, OAuth, JWT, REST, GraphQL, AWS, Vercel, Serverless, Microservices. Whether it's crafting custom solutions, integrating APIs, or optimizing performance, I help startups and enterprises bring scalable, secure, and user-centric applications to life — across industries like healthcare, eCommerce, SaaS, job portals, marketplaces, and more. 💬 Let’s talk about your project! I offer free consultations and am ready to bring your ideas to life. Warm regards, Rishi Raj Singh

🏆 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 💼 𝟱+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 | ⏳ 𝗦𝗮𝘃𝗲 𝘁𝗶𝗺𝗲 𝘄𝗶𝘁𝗵 𝗔𝗜 𝗳𝗶𝗿𝘀𝘁 𝗮𝗽𝗽𝗿𝗼𝗮𝗰𝗵 𝑆𝑡𝑟𝑢𝑔𝑔𝑙𝑖𝑛𝑔 𝑤𝑖𝑡ℎ 𝑐𝑜𝑚𝑝𝑙𝑒𝑥 𝑤𝑒𝑏 𝑑𝑒𝑣𝑒𝑙𝑜𝑝𝑚𝑒𝑛𝑡 𝑜𝑟 𝐴𝐼 𝑎𝑢𝑡𝑜𝑚𝑎𝑡𝑖𝑜𝑛 𝑐ℎ𝑎𝑙𝑙𝑒𝑛𝑔𝑒𝑠? 𝑊𝑎𝑛𝑡 𝑎 𝑤𝑒𝑏 𝑎𝑝𝑝 𝑡ℎ𝑎𝑡 𝑠𝑐𝑎𝑙𝑒𝑠 𝑒𝑓𝑓𝑜𝑟𝑡𝑙𝑒𝑠𝑠𝑙𝑦, 𝑎𝑛 𝐴𝐼 𝑝𝑜𝑤𝑒𝑟𝑒𝑑 𝑤𝑜𝑟𝑘𝑓𝑙𝑜𝑤 𝑡𝑜 𝑟𝑢𝑛 𝑦𝑜𝑢𝑟 𝑏𝑢𝑠𝑖𝑛𝑒𝑠𝑠 𝑜𝑛 𝑎𝑢𝑡𝑜𝑝𝑖𝑙𝑜𝑡 𝑜𝑟 ℎ𝑖𝑔ℎ 𝑝𝑒𝑟𝑓𝑜𝑟𝑚𝑖𝑛𝑔 𝑐ℎ𝑟𝑜𝑚𝑒 𝑒𝑥𝑡𝑒𝑛𝑠𝑖𝑜𝑛 𝑡𝑜 𝑟𝑒𝑑𝑢𝑐𝑒 𝑔𝑟𝑢𝑛𝑡 𝑤𝑜𝑟𝑘? I specialise in React, JavaScript, TypeScript, Next.js, and AI-powered tools to deliver high-performance, scalable, and visually stunning applications and performant solutions for your business. With over 5+ years of experience building for startups, SaaS platforms, and Chrome extensions, I help businesses automate workflows, enhance productivity, and scale their digital presence. 💡 𝐌𝐲 𝐞𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 🖥 Web Development ✅ Frontend: React.js, Next.js, Gatsby, TypeScript, Redux, TailwindCSS ✅ Performance Optimization: Fast-loading, SEO-friendly, and accessible web apps ✅ AI-Powered Development: Integration with Bolt.new, Lovable.dev, v0.dev, Cursor AI 🛠️ Chrome Extension Development ✅ Custom Chrome Extensions: Productivity tools, automation, scraping, and browser enhancements ✅ API Integration: OpenAI, GPT-based chatbots, WebSocket, and real-time data ✅ Security & Compliance: Optimized, privacy-focused, and seamless Chrome extensions 🌍 Backend & DevOps ✅ Server-side Development: Node.js, Express.js, Firebase Functions ✅ Database Management: Firestore, PostgreSQL, MongoDB ✅ CI/CD Pipelines & Deployment: Docker, Vercel, Netlify 📌 𝐍𝐨𝐭𝐚𝐛𝐥𝐞 𝐏𝐚𝐬𝐭 𝐖𝐨𝐫𝐤 🔹 Scaled an AI tools directory from 0 to 150K+ users – Built a high-traffic platform that connected users to top AI solutions. 🔹 Developed key features for Unifize’s web & mobile platform – Worked on dashboards, authentication, checklists, chat interfaces, and optimized offline search. 🔹 Integrated SAML & SAP authentication in React Native – Secured login experiences across web & mobile. 🔹 Built an accessible early-learning web app – Helping students of all abilities develop math & literacy skills. 🔥 𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞? ✔️ Full-Stack Flexibility: From frontend design to backend development and AI-powered automation. ✔️ AI-Driven Productivity: Leverage AI tools like Bolt.new, v0.dev, and Cursor for faster, smarter development. ✔️ Scalable & Maintainable Code: Performance-first, future-proof solutions that any team can start working in a breeze and fully documented architecture for easy development ✔️ Save Time: Save hours of manual grunt work effort by a custom build chrome extension. 🚀 𝐋𝐞𝐭’𝐬 𝐁𝐮𝐢𝐥𝐝 𝐒𝐨𝐦𝐞𝐭𝐡𝐢𝐧𝐠 𝐀𝐦𝐚𝐳𝐢𝐧𝐠! Looking for a fast, reliable, and AI-savvy developer to bring your idea to life? Click the Invite button, and let’s discuss how I can help your business scale with cutting-edge web solutions.

Your business deserves a developer who not only writes code but creates solutions that empower growth. Let’s build something extraordinary together! Are you looking to elevate your online business and create impactful web applications that not only meet but exceed expectations? I am Diksha , a seasoned Senior Web Developer with 6 years of hands-on experience and 1.8 years of Software Quality Analysis and Testing under my belt. Whether you're a large organization or a small startup, I have a proven track record of developing custom software solutions that power business growth and streamline processes. But here's the thing: It's not just about coding. It's about creating a solution that truly serves your business goals. That’s what I bring to the table. What I Do Best With a deep understanding of both front-end and back-end technologies, I deliver high-quality web applications that help your business thrive. From requirements gathering through to testing and deployment, my goal is simple: Get you the solution you need, on time, every time. I specialize in building scalable, secure, and efficient applications that solve real problems for businesses like yours. I don’t just write code—I listen to your needs and create customized solutions that empower your business to reach new heights. Front-End Expertise: - HTML/CSS - JavaScript/jQuery / jQuery UI - Semantic UI - Bootstrap UI - AngularJS, ReactJS, VueJS - Sass & Tailwind CSS - Progressive Web Apps (PWAs) Back-End Expertise: - Laravel, CodeIgniter, CakePHP, Node.js - MySQL, PostgreSQL, Elasticsearch, and Algolia - AWS, Digital Ocean, Redis, Socket.io - 3rd Party API Integrations (RESTful, SOAP) - Payment Gateways: Stripe, PayPal, and others Areas I Specialize In: 1. E-commerce Solutions – Magento, Shopify, OpenCart, and custom PHP frameworks 2. Custom Web Development – Tailored solutions that fit your exact needs 3. Responsive Design – Optimized for all devices, ensuring an exceptional user experience 4. Payment Gateway Integration – Secure and seamless transactions for your business 5. Performance Optimization – Speed, security, and scalability to ensure your site runs smoothly 6. Debugging & Troubleshooting – I’m a skilled troubleshooter who loves solving challenges and getting things right Why Work With Me? When you partner with me, you're not just hiring a developer—you’re gaining a problem solver. I take pride in delivering results that align with your goals, ensuring a smooth project from start to finish. You get high-quality work, completed on time, and with the kind of attention to detail that ensures long-term success. My approach is rooted in collaboration and open communication. You’re the expert on your business, and I’m here to bring your vision to life. Together, we’ll create something remarkable. Let’s connect today to discuss how I can help your business grow with a custom web solution tailored to your specific needs. Thanks, Diksha Thakur

🚀 15+ Years of Experience as Senior Full-stack Developer position 🔥 Mastering Javascript, Reactjs, React Native, Nextjs, Nodejs (Expressjs, Nestjs), Python (Django/Flask) 🔥 Expertise in Databases: Postgres, MongoDB, Firebase 🔥 Cloud platform: I have many experiences on both AWS and GCP 🎓 M.Sc. in Computer Science, Vietnam National University, TOP 1 University in Vietnam 𝐈'𝐦 𝐊𝐡𝐚𝐧𝐡 𝐍., 𝐚 𝐬𝐞𝐚𝐬𝐨𝐧𝐞𝐝 𝐒𝐞𝐧𝐢𝐨𝐫 𝐅𝐮𝐥𝐥-𝐬𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐰𝐢𝐭𝐡 𝐨𝐯𝐞𝐫 𝟏𝟓 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞. My journey in software engineering is defined by growth, technical prowess, and innovative solutions. With a Master's in Computer Science, I excel in front-end and back-end development: 👨‍💻 Proficient in front-end development using Javascript, Reactjs, React Native, Nextjs. 👨‍💻 Well-versed in back-end development, employing NodeJS, Python, and working with databases such as Postgres, Firebase, MongoDB, as well as cloud platforms like AWS and GCP. 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝐈'𝐯𝐞 𝐢𝐦𝐩𝐚𝐜𝐭𝐞𝐝: 🔸 Education Technology 🔸 Uber-like Services 🔸 Logistics 🔸 Blockchain 🔸 Social Networking 🔸 Autonomous Vehicles 🔸 Marketing 🔸 Property Technology 🔸 Gaming My expertise is grounded in real-business problem-solving, leveraging machine learning and software engineering for impactful solutions. I'm an independent researcher, staying ahead and adopting emerging tech. I'm also a mentor, ensuring tech is harnessed effectively. Through global partnerships, I've delivered coding excellence across sectors. In their business, I specialize in bridging technological and knowledge gaps for my partners. 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐏𝐫𝐨𝐟𝐢𝐜𝐢𝐞𝐧𝐜𝐲: ✔️ 15+ Years in Full Stack Web & Mobile Dev ✔️ Frontend: Javascript, Reactjs, React Native, Nextjs ✔️ Backend: NodeJS, Python, ExpressJS, NestJS, Django, .Netcore ✔️ Databases: Postgres, MySQL, MongoDB, Firebase, Algolia ✔️ Cloud: AWS, GCP ✔️ Other Skills: Optimization, GIS, ML, Deep Learning Furthermore, I have adept management capabilities, leading teams that exceed 10 individuals. Excited to drive innovation together. Let's connect!

I help founders and product teams build scalable mobile applications using React Native and native iOS technologies without costly architecture mistakes, unstable codebases, or delivery uncertainty. With 10+ years of experience in mobile engineering, I specialize in building production-grade applications with complex mobile functionality, scalable architecture, native integrations, subscription systems, and performance-focused user experiences. I’m not just focused on shipping features , I focus on building mobile products that are technically sustainable, scalable, and ready for real users. 𝐖𝐡𝐚𝐭 𝐈 𝐬𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐞 𝐢𝐧: • React Native & Native iOS Development (Swift / UIKit / SwiftUI) • Offline-First Architecture & Local Database Systems • Native iOS Integrations & Custom Modules • Subscription Systems (StoreKit, Adapty, RevenueCat) • Performance Optimization & Memory Management • Firebase, Supabase & Real-time Systems • A/B Testing & Remote Configurations • HealthKit & Device-Level Features • Vision Framework & Advanced Media Processing • Scalable Mobile Architecture & Production Stability 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐬 𝐈’𝐯𝐞 𝐰𝐨𝐫𝐤𝐞𝐝 𝐨𝐧: • Subscription-based mobile apps • Social and engagement platforms • Utility and productivity applications • Health & wellness applications • Offline-capable enterprise apps • Media-heavy iOS applications • AI-enabled mobile experiences One of the strongest examples of my work is PhotoPurge an advanced iOS utility application focused on intelligent photo cleanup and media optimization using Apple Vision Framework, background processing, duplicate image detection, and performance-focused architecture. 𝐈 𝐚𝐥𝐬𝐨 𝐡𝐚𝐯𝐞 𝐞𝐱𝐭𝐞𝐧𝐬𝐢𝐯𝐞 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 𝐰𝐢𝐭𝐡: • Large-scale localization systems (26+ languages) • In-app purchases & subscription optimization • Adapty paywalls & Firebase Remote Config • Real-time features & synchronization systems • Advanced animations using UIKit & Lottie • SQLite / Realm local database management • App performance optimization & scalable architecture Beyond development, I actively contribute to: • Technical strategy • Product scalability discussions • Architecture planning • Team leadership & mentoring • Code reviews & delivery management I work best with technically serious founders and product teams who value quality engineering, long-term scalability, and clear communication. If you’re building a serious mobile product and need a reliable engineering partner who can contribute beyond implementation, I’d be happy to discuss your project.

Hi, I’m Andrés — a Frontend & Mobile Developer with 5+ years of experience building sleek, fast, and functional apps using React Native, Next.js, Firebase, and Supabase. What I can do for you: - Cross-platform mobile apps using React Native + Expo - Fast, responsive websites using Next.js, Tailwind - Scalable backends using Firebase or Supabase (Auth, Firestore, Functions) - UI implementation from Figma/Sketch with pixel-perfect precision. - Professional designer, bring ideas to a high quality prototype in Figma. Why hire me: - 100% Job Success | Clients love my speed and attention to detail - Clear communication in English & Spanish - I handle both design and development, end to end Let’s build something great. Feel free to contact me to discuss your idea!

I’m a senior software engineer with over 10+ years of experience designing, building, and scaling modern web applications with a strong focus on cloud-native and backend development. My core strengths lie in architecting backend systems using FastAPI, Node.js with Express, C# with .NET Core. I build secure, scalable APIs and microservices architectures following REST and GraphQL standards. I work confidently with both SQL and NoSQL databases, including PostgreSQL, MySQL, SQLite, MongoDB, Microsoft SQL Server, with hands-on experience using ORMs like Prisma, Sequelize, TypeORM, and Entity Framework. As a cloud-native engineer, I have deployed and managed infrastructure on AWS, Azure, Firebase, Supabase, Heroku, and GCP. I’m experienced with Docker, serverless functions, Kubernetes basics, and CI/CD pipelines using GitHub Actions, GitLab CI, and Bitbucket Pipelines. For front-end integration and full-stack delivery, I also work with modern frameworks like React, Next.js, Tailwind CSS, Bootstrap, and Material UI. I’m comfortable building end-to-end solutions from the user interface to the cloud. My work spans SaaS platforms, internal dashboards, e-commerce systems, real-time apps, and custom APIs for startups and enterprise clients. I follow best practices in clean architecture, automated testing, version control, performance tuning, and deployment workflows. I’m skilled at authentication using OAuth2, JWT, and Firebase Auth and have integrated systems with tools like Stripe, Twilio, Algolia, Google Maps, and SendGrid. I value clear communication, fast iteration, and writing code that is easy to scale and maintain. Whether you need a backend-heavy developer or a full-stack lead who can own architecture and delivery, I’m ready to contribute from day one. Let’s build something reliable, efficient, and cloud-ready.

I've spent 4+ years as the lead Shopify developer for Gobi Cashmere a luxury fashion brand shipping to 30+ countries. I owned the storefront end-to-end: theme architecture, custom Liquid sections, app integrations, and production deployments. What I can do for your store: - Liquid theme development and customization - Bug fixes and responsive layout improvements - Custom sections and third-party app integrations - Shopify Plus support - Performance and speed optimization - Headless Shopify with Next.js and TypeScript I write clean code, communicate clearly, and deliver production-ready work. If you need a Shopify developer who has actually run a store at scale not just built demos, I can help.