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Wajahat S.
$25/hr
100% Job Success
Available now
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I build AI agents, mobile apps & full-stack platforms that save businesses time and money. 🔸 Top Rated Plus 🔸 100% Job Success 🔸 500K+ Revenue 🔸 8+ Years Experience Most businesses know they need AI — very few know how to build it properly and actually ship it. I help you go from idea to production: AI-powered apps, full-stack platforms, and scalable mobile products. No handholding required, no half-finished MVPs. Here's what I build: ➡️ AI-Powered Apps & LLM Integrations — chat systems, RAG pipelines, and AI features inside real products ➡️ AI Mobile Apps — AI-driven experiences with chat, recommendations, and personalization ➡️ Full-Stack SaaS Platforms — scalable web apps with real users and real revenue ➡️ Social & Community Apps — high engagement apps with chat, feeds, maps, and real-time features ➡️ Internal Tools & Automation — business tools that improve workflows and reduce manual work ➡️ Vibe Coding & Rapid MVP Development — building fast using tools like Lovable, Cursor, Replit while keeping production quality What working with me actually looks like: ✔️ You move fast — I use AI tools and proven systems to ship quickly without breaking quality ✔️ You get real product thinking — not just code, I help shape features and decisions ✔️ You stay in control — I work well from high-level ideas and execute without constant back-and-forth ✔️ You don’t need to be technical — I keep things simple and business-focused ✔️ Your product is built to scale — not just a demo, but something real users can rely on What clients say: 🏆 “Wajahat is an amazing engineer and problem solver. He understands product, not just code.” 🏆 “Great communication and execution. Delivered exactly what we needed, on time.” 🏆 “Very reliable and skilled developer. Strong React Native expertise.” 📊 $400K+ revenue generated 🔸 100% Job Success 🔸 Top Rated on Upwork 🔸 Clients across USA, UK & Europe 🏗️ Selected Projects — Across Industries, Built to Production: 🔹 SweatPals — Social fitness app used by thousands (React Native, GetStream Chat) — Winner of Sweater Barnburner among 500 startups 🔹 Loosid — Social network app, ranked most innovative social app by FastCompany 🔹 MedEntry — Education platform used by students globally (React Native, Firebase) 🔹 Apeak Tennis — Mental training app used by 140+ college teams 🔹 Silas Health — AI-powered mental health and coaching platform (LLM integrations, chat, recommendations) 🔹 Organised — AI-powered platform integrating multiple LLMs across web and mobile 🛠️ Tech Stack: Core AI: 🔹 LLMs: GPT-5.3 Codex, Claude Sonnet 4.6, Claude Opus 4.7, Gemini 3 Codex 🔹 AI Systems: RAG pipelines, multi-model orchestration, prompt engineering, tool calling, agent workflows Full Stack & Mobile: 🔹 Frontend/Backend: React, Next.js, Node.js, TypeScript, Firebase, Supabase 🔹 Mobile: React Native, Expo 🔹 Vibe Coding: Lovable, Cursor, Replit, Bolt Data & Infrastructure: 🔹 Databases: Firestore, PostgreSQL, Supabase 🔹 Cloud: GCP, AWS 🔹 APIs: REST, real-time systems, chat integrations ✅ I work best on serious products where quality and execution matter. Long-term projects preferred, but I’m open to strong MVPs as well. If you're serious about building something real — not just experimenting — let's talk.
Wajahat S. has worked .
Gitrex Technologies Inc.
Associated with
Gitrex Technologies Inc.
Richa W.
$20/hr
96% Job Success
$100K+ earned
Available now
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React Native & Expo Expert — From MVP to App Store, Built to Scale & Perform 👋 Hi, I am Richa a Senior React Native Developer with 10+ years of experience building fast, scalable, and production-ready mobile apps using React Native and Expo. I help startups and businesses launch high-quality iOS and Android applications from MVP concept through to App Store success with clean architecture, strong performance, and long-term scalability built in from day one. My focus is not just building apps I deliver complete, production-ready mobile products that are fast to ship, easy to maintain, and built to scale with your business as it grows. ───────────────────────────────────────── 📱 𝗪𝗵𝗮𝘁 𝗜 𝗕𝘂𝗶𝗹𝗱 𝗙𝗼𝗿 𝗬𝗼𝘂 ───────────────────────────────────────── I help startups and businesses build: ✔ Cross-Platform Apps : React Native & Expo for iOS & Android ✔ MVP App Development : concept to App Store, fast & lean ✔ Expo SDK Upgrades & Migrations : zero downtime, full parity ✔ Real-Time Features : chat, live updates & audio/video streaming ✔ Payment Integrations : Stripe, Razorpay & Firebase payments ✔ Custom Native Modules : Swift & Kotlin when platform-specific ✔ Performance Optimization : bug fixing, scaling & speed tuning ✔ App Maintenance & Long-Term Support ───────────────────────────────────────── 🔧 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 ───────────────────────────────────────── Mobile Development ✔ React Native, Expo, TypeScript & JavaScript ✔ Redux & Zustand state management ✔ Authentication & social login ✔ Push notifications : FCM & OneSignal ✔ GPS, maps & real-time location tracking ✔ Camera, audio/video & live streaming ✔ Real-time sync, chat & notifications Backend & APIs ✔ Node.js, Laravel, REST APIs & GraphQL ✔ Firebase, Firestore & Supabase ✔ PostgreSQL & MongoDB ✔ AWS cloud deployment DevOps & Deployment ✔ Fastlane & GitHub Actions CI/CD pipelines ✔ App Store & Google Play Store publishing ✔ Automated build, test & release workflows ───────────────────────────────────────── 🏆 𝗣𝗿𝗼𝘃𝗲𝗻 𝗥𝗲𝘀𝘂𝗹𝘁𝘀 ───────────────────────────────────────── ✔ 10+ years in React Native & mobile app development ✔ 96% Job Success Score Top Rated Plus on Upwork ✔ Successfully launched and scaled multiple production apps ✔ $40K+ fixed-price projects delivered with five-star feedback ✔ Expert in Expo migrations & upgrades without downtime ✔ Dating app MVP praised for exceeding client expectations ✔ Focus on stability, speed & seamless user experience ───────────────────────────────────────── 💡 𝗪𝗵𝗮𝘁 𝗬𝗼𝘂 𝗖𝗮𝗻 𝗘𝘅𝗽𝗲𝗰𝘁 ───────────────────────────────────────── ✔ Clean, scalable & well-documented React Native code ✔ Fast, clear communication & quick response time ✔ Reliable delivery with genuine attention to detail ✔ Long-term support & continuous improvement after launch ✔ One developer who owns the full mobile stack end to end ───────────────────────────────────────── 🌐 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 & 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 ───────────────────────────────────────── ➢ SaaS MVPs & Startup App Development ➢ E-Commerce & Retail Apps ➢ Booking & Appointment Platforms ➢ On-Demand Service Apps ➢ Location-Based & GPS Tracking Apps ➢ Marketplace & Classified Apps ➢ Dating & Social Networking Apps ➢ Healthcare & Fitness Apps ➢ FinTech & Payment Apps ➢ EdTech & E-Learning Platforms ───────────────────────────────────────── 🤝 𝗛𝗼𝘄 𝗜 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗬𝗼𝘂 ───────────────────────────────────────── 1️⃣ Discovery : understand your app goals & technical requirements 2️⃣ Architecture : design scalable React Native structure & stack 3️⃣ Development : sprint-based delivery with clear communication 4️⃣ Testing : fully tested across iOS & Android before release 5️⃣ Launch : App Store & Google Play deployment with CI/CD 6️⃣ Support : post-launch maintenance & performance optimization ───────────────────────────────────────── 🚀 𝗟𝗲𝘁'𝘀 𝗕𝘂𝗶𝗹𝗱 𝗬𝗼𝘂𝗿 𝗔𝗽𝗽 ───────────────────────────────────────── Whether you need a React Native MVP built from scratch, an Expo migration, a performance overhaul, or new features added to an existing app : I am ready to take full ownership of the build from day one. 👉 Send me a message and let's talk about your project. I respond quickly and I am available to jump on a call if that's easier.
Richa W. has worked .
Deftsoft
Associated with
Deftsoft
$10M+
earned
Satya Prakash G.
$50/hr
100% Job Success
$600K+ earned
Available now
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Struggling to launch high-quality mobile apps on time? I am, an Upwork 𝐄𝐱𝐩𝐞𝐫𝐭-𝐕𝐞𝐭𝐭𝐞𝐝 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 with 𝟖+ 𝐲𝐞𝐚𝐫𝐬 in React Native, delivering over 𝟑𝟎 𝐬𝐮𝐜𝐜𝐞𝐬𝐬𝐟𝐮𝐥 𝐚𝐩𝐩𝐬 on the App Store and Play Store that drive user engagement and business growth. 📱 𝐇𝐎𝐖 𝐈 𝐂𝐀𝐍 𝐇𝐄𝐋𝐏 𝐘𝐎𝐔 𝐑𝐞𝐚𝐜𝐭 𝐍𝐚𝐭𝐢𝐯𝐞 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 ✓ Build high-performance, cross-platform apps for iOS and Android with React Native expertise. 𝐀𝐩𝐩 𝐒𝐭𝐨𝐫𝐞 & 𝐏𝐥𝐚𝐲 𝐒𝐭𝐨𝐫𝐞 𝐏𝐮𝐛𝐥𝐢𝐬𝐡𝐢𝐧𝐠 ✓ Seamless deployment and release management to get your app live on both major platforms. 𝐂𝐮𝐬𝐭𝐨𝐦 𝐀𝐏𝐈 & 𝐅𝐢𝐫𝐞𝐛𝐚𝐬𝐞 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 ✓ Connect your app with robust APIs and Firebase for real-time data and push notifications. 𝐔𝐈/𝐔𝐗 𝐃𝐞𝐬𝐢𝐠𝐧 𝐈𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐚𝐭𝐢𝐨𝐧 ✓ Transform Figma designs into intuitive, responsive mobile interfaces. 𝐂𝐈/𝐂𝐃 & 𝐖𝐡𝐢𝐭𝐞-𝐥𝐚𝐛𝐞𝐥 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 ✓ Automate app builds and deliver reusable white-labeled React Native apps tailored to your brand. ============================ 🌟 𝗪𝗛𝗔𝗧 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗦𝗔𝗬 🌟 ❝Successfully completed a super complicated hiring assessment involving native OS functions with a good turnaround time and good quality!❞ – Bogdan Tenea, GT School ❝Satya is a great Developer with hands-on experience in React Native. We've enjoyed working with him.❞ – Sofia Marjanovic, Product Manager ❝Working with Satya was great. He helped us move forward with our Project.❞ – Julia Weigel, Bright Solutions 🏆 Expert-Vetted Mobile App Developer on Upwork 🎖 Upwork Skill Certification - Javascript Front-End Development ============================ ============================ 🤝 𝗟𝗘𝗧'𝗦 𝗕𝗨𝗜𝗟𝗗 𝗬𝗢𝗨𝗥 𝗡𝗘𝗫𝗧 𝗠𝗢𝗕𝗜𝗟𝗘 𝗔𝗣𝗣 Have a mobile app idea or need expert React Native development? 𝗠𝗲𝘀𝘀𝗮𝗴𝗲 𝗺𝗲 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸 𝘁𝗼𝗱𝗮𝘆 for a free consultation and start turning your vision into reality. I typically respond within 6 hours and prioritize timely communication. ============================ 🛠️ 𝐓𝐎𝐎𝐋𝐒 & 𝐓𝐄𝐂𝐇𝐍𝐎𝐋𝐎𝐆𝐘 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 • React Native • Objective-C • Java • Expo • Yarn 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐬𝐢𝐠𝐧 • Figma 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬 • Firestore • Supabase • MySQL • MongoDB 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐀𝐏𝐈𝐬 • Node.js • GraphQL • API Integration • API Development 𝐎𝐭𝐡𝐞𝐫 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 • Firebase • Redux • Push Notifications 𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭 • CI/CD • App Store Publishing • Play Store Publishing • White-labelling React Native apps React Native, Mobile App Development, iOS Development, Android App Development, Firebase, API Integration, JavaScript, CI/CD, Expo, Mobile App Design
Satya Prakash G. has worked .
Lokesh D.
$19.99/hr
100% Job Success
$100K+ earned
Available now
Offers consultations
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Helped build Insight Timer and grew to 20M+ downloads | Built TabRabbit POS, which is handling thousands of orders/day. Startup-focused AI mobile app development and rapid MVP with React Native, React, and Node. I’m a React Native app developer, React developer, and full-stack developer (React/Node) who ships investor-ready MVPs fast. Need traction quickly? I design and launch MVPs in weeks, not months, while laying the foundation to scale. ▶️ Why me: ✅ Rewarded as 🏆 TOP RATED PLUS🏆 by Upwork (𝗧𝗼𝗽 𝟯%) ✅ 5000+ hours and still counting ✅ 70+ jobs completed successfully ✅ 100% Job Success (Client Satisfaction Ratio) ▶️ From MVP to millions: ✅ Helped build Insight Timer → 20M+ downloads; engineered TabRabbit POS from MVP to production, handling thousands of daily orders. ✅ Award Winning Android App "Apps of the Year Winner - TIME magazine and Womens Health" and "Happiest App in the World - Tristan Harris" ▶️ Speed via AI: I use Cursor, Copilot/Codex, Claude code to accelerate scaffolding, tests, refactors, and docs → faster iterations, lower cost, higher code quality. ▶️ Typical MVPs: ✔ Fitness trackers & habit apps ✔ AI chat/recommendation apps ✔ Dating/social apps ✔ AI Music apps ✔ POS/ordering ✔ SaaS dashboards ▶️ Engagement model: Lean roadmap → clickable prototype → core features → beta → iterate with metrics. Fixed-price milestones or weekly. NDA welcome. 🤝 CTA: If you’re validating a concept or raising, Invite to Job and I’ll outline a fast MVP plan and timeline. ––––––––––––––––––––––––––––––––––––––––––––– 🌟 My Upwork Clients Sharing Their Experience Working With Me: ––––––––––––––––––––––––––––––––––––––––––––– ★★★★★ 5.00 "Lokesh is an amazing developer. If you need someone who knows ReactJS he's the guy." - Milan, USA ★★★★★ 5.00 "Lokesh carrier out the frontend React Native work with one swoosh, flawlessly. He properly implemented the Figma design into React Native code and followed best practices. Very impressed with his work, and will hopefully work with him again." - Fahmid Uddin, Canada ★★★★★ 5.00 "It was great working with Lokesh! He is incredible communicative, professional, and provides great work. Highly recommend him to anyone and will work with again!" - Phil, USA ▶️ 𝗪𝗵𝗮𝘁 𝘆𝗼𝘂 𝗰𝗮𝗻 𝗲𝘅𝗽𝗲𝗰𝘁 𝗳𝗿𝗼𝗺 𝘄𝗼𝗿𝗸𝗶𝗻𝗴 𝘄𝗶𝘁𝗵 𝗺𝗲? ✅ Trust ✅ On-time delivery ✅ Great communication level ✅ Daily Updates ✅ Regular Scrum ✅ Long term relationship (which is very important for me) ▶️ Skills I have: Mobile App Development • Mobile Application Developer • React Native • React • Node.js • Full-Stack Development • Web App Development • Android • iOS • TypeScript • Next.js • Express • GraphQL • REST API • Firebase • AWS • GCP • PostgreSQL • MongoDB • WebSockets • AI Mobile Apps
Lokesh D. has worked .
Vadim T.
$50/hr
100% Job Success
$200K+ earned
Offers consultations
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🏆 Certified by Upwork: React / React.js Developer React ⚛️ React Native 📱⚛️ Next.js 🌐 JavaScript 🟨 TypeScript 🔷 With over 8 YEARS of commercial experience as a Senior React Native Developer, I focus on building high-performance WEB & MOBILE apps using React and React Native. From idea 💡 to launch 🚀, I cover the entire development lifecycle — ensuring SCALABLE, MAINTAINABLE & USER-FOCUSED SOLUTIONS. 🌟 CORE COMPETENCIES: 🧠 FRONT-END DEVELOPMENT Skilled in React, React Native, Redux Toolkit, React Query, TypeScript & modern UI libraries. As a Senior React Native Developer, I bring deep expertise in creating sleek, efficient UIs that delight users. 🏗️ ARCHITECTURE DESIGN Designed scalable front-end architectures for complex projects — a key strength honed through years as a Senior React Native Developer on enterprise-grade applications. 🔁 STATE MANAGEMENT Redux, Redux-Saga, Context API – keeping your app’s logic clean and organized. This has been a cornerstone of my role as a Senior React Native Developer, ensuring maintainability across teams. 🔌 DATA INTEGRATION Efficient API handling with Apollo Client & React Query. My work as a Senior React Native Developer often involves architecting smart data layers that improve app responsiveness and reliability. ⚙️ CI/CD Experience with CircleCI, GitLab CI & GitHub Actions – delivering fast, stable builds. I’ve implemented robust delivery pipelines in multiple teams as a Senior React Native Developer, accelerating release cycles. 📌 KEY ACHIEVEMENTS: 🏗️ SCALABLE ARCHITECTURE DESIGN Built modular front-end structures for long-term maintainability. 👥 TEAM LEADERSHIP Led cross-functional teams and delivered high-quality results on time. 🤖 PROCESS AUTOMATION CI/CD pipelines that cut deployment time and reduce manual tasks. 📊 DATA MANAGEMENT EXCELLENCE Advanced integration with Redux Toolkit, React Query, Apollo Client. 📶 OFFLINE-FIRST SOLUTIONS Built resilient apps with Redux Offline for unstable networks. 🧩 COMPLEX FEATURE IMPLEMENTATION Interactive maps, in-app purchases, SSO, real-time notifications – done & delivered. 🧹 CODEBASE OPTIMIZATION Refactored code for performance, scalability & developer happiness. 📱 MOBILE DEPLOYMENT AUTOMATION Fastlane-powered workflows for seamless mobile updates. 🎨 UI/UX ENHANCEMENTS Crafted interfaces with Radix UI, MUI, TailwindCSS – always with the user in mind. 🏆 GAMIFICATION FEATURES Boosted engagement with well-designed gamification systems. 📚 DOCUMENTATION & KNOWLEDGE SHARING Created thorough docs to streamline onboarding and dev knowledge transfer. 🔍 SEO OPTIMIZATION Improved visibility with better web app SEO. 🛠️ INNOVATION IN TOOLS & TECH Always exploring new tech to drive efficiency and better results. 👨‍🏫 MENTORSHIP & GUIDANCE Supported junior devs through code reviews and skill development. 🚀 DELIVERED COMPLEX PROJECTS CRM systems, booking platforms, social apps, health solutions – built and shipped successfully. 🤝 EFFICIENT COLLABORATION Tight coordination with backend, design & product teams to ensure alignment. 📩 LET’S CONNECT Looking for a Senior React Native Developer with real-world experience and a passion for clean, innovative code? Let’s chat and bring your product vision to life! ✨
Seedium
Associated with
Seedium
$2M+
earned
Varun C.
$25/hr
100% Job Success
$50K+ earned
Available now
Offers consultations
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Senior Mobile App Developer specializing in React Native & Expo. 8+ years shipping production apps for startups and product teams — Top Rated on Upwork with 100% Job Success, 1,300+ hours, and 20+ apps live on the App Store and Play Store. I help founders and product teams turn ideas into App Store-ready mobile apps — and rescue React Native codebases that have stalled. Whether you're building an MVP, scaling an existing app, or migrating from native to cross-platform, I deliver clean, performant code and ship on time. What I build: React Native & Expo apps (managed and bare workflow, SDK 50+) Native iOS apps in Swift and SwiftUI Full App Store & Play Store release cycles, including builds, signing, and review Refactors, performance fixes, and codebase cleanups on legacy projects Backend integrations — REST, GraphQL, Firebase, Supabase, Node.js Tech stack: React Native, Expo, TypeScript, Redux Toolkit, Redux-Saga, React Navigation, React Query, Swift, SwiftUI, Xcode, Node.js, Firebase, push notifications, in-app purchases, deep linking, EAS Build, OTA updates. How I work: Daily updates, fast response (usually under an hour during my work window), honest timelines, and I raise risks before they become blockers. Comfortable owning the full mobile track solo or plugging into an existing engineering team. A good fit if you: Need a senior developer who can ship without hand-holding Value clean code, clear communication, and reliability over the lowest hourly rate Want someone who'll still be around in 6 months for v2 and maintenance Send a message with what you're building — I'll reply within a few hours with honest feedback on scope, timeline, and whether I'm the right person for the job.
Varun C. has worked .
Fly IT Solution
Associated with
Fly IT Solution
$20K+
earned
Rajat M.
$30/hr
100% Job Success
Available now
Offers consultations
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Looking to build a web or mobile app that works in production, not just in demos? I've shipped 20+ complex applications for startups and businesses across the US and Canada — 100% Job Success, Top Rated Plus on Upwork. I specialize in three areas where most React developers have no experience: HEALTHCARE PLATFORMS — HIPAA-compliant clinical systems, appointment scheduling, session notes, insurance management, EDI billing, and claims processing. Built and delivered, not just claimed. FINTECH AND PAYMENTS — Stripe integration, invoicing systems, revenue cycle management, and real-time payment processing. Systems that handle real money with zero tolerance for bugs. E-COMMERCE AND SAAS MVPs — Shopify, custom backends, headless CMS, end-to-end product builds from database to deployed app. WHAT I BUILD: - React and React Native mobile apps for iOS and Android - High-performance web apps with Next.js and MERN stack - REST APIs, third-party integrations, real-time features - Chrome extensions, PWAs, cloud deployments on AWS - Complex dashboards and data-heavy applications AWS CERTIFIED DEVELOPER — ASSOCIATE. I don't just write code — I architect, deploy, and maintain production systems. MY STACK: Frontend: React, Next.js, React Native, TypeScript, Tailwind CSS Backend: Node.js, NestJS, GraphQL, RESTful APIs Databases: MongoDB, PostgreSQL, MySQL, Firebase Cloud: AWS (certified), Google Cloud, Vercel, DigitalOcean
Rajat M. has worked .
$14.5/hr
100% Job Success
$30K+ earned
Available now
Offers consultations
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Need a reliable developer to build, scale or maintain your mobile or web application? I am a Senior Full Stack Developer with 7 plus years of experience helping startups and businesses turn ideas into production ready products. I can help you with: React Native & Expo Mobile Apps Build iOS and Android apps from scratch Upgrade and maintain existing React Native apps App Store and Google Play deployment Push notifications, authentication, payments, maps, and third-party integrations Performance optimization and bug fixing Full Stack Web Development Next.js and React applications Node.js backend development REST API development and integration Dashboard and admin panel development Authentication and role-based access systems Real Time Applications Live chat systems Real time notifications Tracking and monitoring dashboards Database & Cloud Services PostgreSQL MongoDB Supabase Firebase AWS S3 Why work with me? 100% Job Success Score across 32 completed projects Currently leading a remote engineering team for a US-based healthcare company Experience building healthcare, logistics, fitness, SaaS, and on-demand applications Clean, scalable and maintainable code Clear communication and reliable delivery Whether you need a new application built from scratch, additional features added to an existing product, bugs fixed, or long-term development support, I can help. Let's discuss your project and find the best solution for your business.
Ahtsham S. has worked .
Mubasshir H.
$25/hr
100% Job Success
$30K+ earned
Available now
Offers consultations
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Most clients come to me with an idea, a problem, or a half-built React Native app that needs saving. Whatever stage you're at, you're in the right place. 𝐈 𝐝𝐨𝐧'𝐭 𝐣𝐮𝐬𝐭 𝐰𝐫𝐢𝐭𝐞 𝐜𝐨𝐝𝐞 𝐈 𝐰𝐨𝐫𝐤 𝐚𝐬 𝐚 𝐩𝐫𝐨𝐝𝐮𝐜𝐭 𝐩𝐚𝐫𝐭𝐧𝐞𝐫 who understands your business goal first, then builds the right React Native solution around it. From the first screen to live on both the App Store and Google Play, I take full ownership so you don't have to manage five different people. Shipped React Native apps: Food delivery with 100K+ downloads, GPS gaming active in 100+ countries, HealthTech with medical-grade APIs, blockchain fitness on Solana, AI-powered real estate platform. I build: React Native apps for iOS and Android, store submissions, payment integrations, API integrations, and broken app rescues.
Mubasshir H. has worked .
$17/hr
100% Job Success
$10K+ earned
Available now
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💯 100% Success Rate on Upwork 🏆 5 Years of Industry Experience 🏆 5-Star Rated Professional Senior MERN, Next.js, and React Native Developer | Data Scientist I specialize in building high-performance, scalable web and mobile applications with a strong focus on efficiency, quality, and timely delivery. Over the past 5+ years, I have successfully delivered projects ahead of schedule and consistently exceeded client expectations. My expertise spans frontend and backend development, API/plugin development, site migrations, speed optimization, and much more. Alongside my development skills, I have solid experience in data science, leveraging statistical analysis, machine learning, and data visualization to provide actionable insights that drive smarter business decisions. My background uniquely positions me to develop full-stack solutions powered by data-driven intelligence. Frontend & Mobile Development: ✅ React.js, Next.js, React Native, Angular.js ✅ UI Frameworks: Bootstrap, Material UI, Semantic UI, Tailwind CSS ✅ JavaScript (ES6+), TypeScript Backend & APIs: ✅ Node.js, Express.js, GraphQL ✅ API & Plugin Development, Site Migrations, Performance Optimization Databases: ✅ PostgreSQL, MySQL, MongoDB, Firebase / Firestore Cloud & Deployment: ✅ AWS, Heroku, Vercel, Docker Data Science & Analytics: ✅ Data Wrangling & Cleaning with Python & Pandas ✅ Statistical Analysis & Visualization (Matplotlib, Seaborn) ✅ Machine Learning: Supervised & Unsupervised Learning, Model Development ✅ Data-Driven Solutions & Insights for Business Growth Methodologies: ✅ Agile, Scrum, Git Version Control With strong communication skills and a client-centric approach, I am committed to helping you build state-of-the-art applications and data solutions tailored to your needs. Feel free to share your project ideas—I’m here to turn them into reality.
Nouman S. has worked .