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digvijay T.
$15/hr
95% Job Success
$70K+ earned
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L𝐞𝐭’𝐬 𝐜𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐞 𝐚𝐧𝐝 𝐭𝐮𝐫𝐧 𝐲𝐨𝐮𝐫 𝐢𝐝𝐞𝐚𝐬 𝐢𝐧𝐭𝐨 𝐫𝐞𝐚𝐥-𝐰𝐨𝐫𝐥𝐝, 𝐟𝐮𝐧𝐜𝐭𝐢𝐨𝐧𝐚𝐥 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐬. With over a decade of experience, I’ve helped startups and enterprise clients transform their concepts into powerful, production-ready applications. My approach goes beyond just writing code. I focus on building solutions that truly align with your business goals, not just your technical specifications. I stay in constant communication throughout every stage — from requirement gathering and sprint discussions to development, testing, and long-term support. Collaboration and clarity are at the core of how I work. I’ve worked with clients across multiple industries in delivering reliable, scalable, and secure software solutions. Many of these projects were long-term partnerships built on trust, consistent results, and clear communication. 𝐌𝐲 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 → Angular, React.js, Vue.js, Next.js, TypeScript, JavaScript, jQuery → Blazor WebAssembly & Blazor Server for fast, modern UI development → Responsive and user-friendly design with component-based architecture 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 → DotNET, ASPNET Core, ASPNET MVC, ABP, BOS Framework, C#, VB, LINQ, Entity Framework, Dapper, Linq2db → API-first development — REST, GraphQL, and secure microservices-based endpoints → Domain-driven design (DDD), Onion Architecture, and clean, modular code principles → High-performance backend systems with caching, async processing, and load optimization 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 & 𝐃𝐚𝐭𝐚 𝐋𝐚𝐲𝐞𝐫 → Microsoft SQL Server, Azure SQL, PostgreSQL, MySQL, MongoDB, Cosmos DB, and Firebase → Query optimization, data modeling, and seamless ORM integration (EF Core, Dapper) → Data integrity and security across multi-tenant and distributed environments 𝐂𝐥𝐨𝐮𝐝, 𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 → Azure (specialist), AWS, and Google Cloud — full deployment, scaling, and CI/CD pipelines → Containerization and automation with Docker, GitHub Actions, and Azure DevOps → Agile, Scrum, and test-driven development practices for reliable delivery 𝐀𝐈 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 → Cutting-edge AI and automation technologies including ChatGPT, OpenAI APIs, and process automation frameworks → Implementing AI-powered chatbots, semantic search, content summarization, and workflow automation → Leveraging AI to enhance business processes, improve efficiency, and deliver smarter applications 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝐈’𝐯𝐞 𝐖𝐨𝐫𝐤𝐞𝐝 𝐖𝐢𝐭𝐡 I’ve successfully delivered software solutions across a wide range of domains, including: → Healthcare – Patient management, appointment scheduling, EHR systems → FinTech – Payment gateways, loan processing, accounting automation → EdTech – Learning platforms, student dashboards, exam & analytics systems → Logistics & Supply Chain – Real-time tracking, warehouse management, and ERP integrations → Scheduling & Operations – Smart calendars, booking, and dispatch systems → and many more industry-specific solutions tailored to each client’s business model. 𝐀𝐩𝐚𝐫𝐭 𝐅𝐫𝐨𝐦 𝐓𝐡𝐢𝐬 — 𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞 → End-to-End Ownership — I take complete responsibility from concept to deployment, ensuring every phase is handled with precision. → Agile & Transparent Collaboration — I stay in constant communication throughout, from requirements gathering and sprint planning to development and support. → Client-Centric Approach — I don’t just build what’s asked — I analyze your business goals and suggest the best technical solutions to achieve them. → Reliability & Long-Term Value — My focus is on building solutions that are maintainable, secure, and scalable, ensuring smooth operation long after delivery. → Cross-Industry Experience — Having worked with clients across domains, I understand the nuances of different business models and tailor my approach accordingly. 𝐇𝐚𝐯𝐞 𝐚𝐧 𝐢𝐝𝐞𝐚 𝐢𝐧 𝐦𝐢𝐧𝐝? 𝐋𝐞𝐭’𝐬 𝐛𝐫𝐢𝐧𝐠 𝐢𝐭 𝐭𝐨 𝐥𝐢𝐟𝐞 — 𝐟𝐚𝐬𝐭, 𝐟𝐮𝐧𝐜𝐭𝐢𝐨𝐧𝐚𝐥, 𝐚𝐧𝐝 𝐟𝐮𝐭𝐮𝐫𝐞-𝐫𝐞𝐚𝐝𝐲.
Esferasoft Solutions Pvt Ltd | Top Rated Plus Agency
Associated with
Esferasoft Solutions Pvt Ltd | Top Rated Plus Agency
$2M+
earned
Hepi C.
$30/hr
100% Job Success
$20K+ earned
Offers consultations
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Senior Java Fullstack Developer with 6+ years of experience building scalable, cloud-native enterprise systems using Spring Boot, React, Angular, Microservices, and AWS. I specialize in: - Java/Spring Boot backend development & REST API design - Microservices architecture with Docker & Kubernetes - Cloud deployment on AWS (EC2, S3, Lambda, RDS) - Frontend development using React, Redux, Angular, TypeScript - Database optimization (PostgreSQL, MySQL, MsSQL, Oracle, Sybase, MongoDB, Apache Solr, Redis, Elasticsearch, DynamoDB) - Event-driven systems with Apache Kafka & RabbitMQ - CI/CD pipelines with Jenkins, Maven & Git Projects I've delivered include real-time analytics platforms, fintech payment systems, e-commerce backends, and enterprise SaaS applications — all built for high availability and performance at scale. Top Rated Plus on Upwork (Top 3%) | 100% Job Success | Toptal Qualified (Top 3% Global Talent) If you need a reliable Java developer to architect and deliver production-ready backend systems, let's connect.
Hepi C. has worked .
Muhammad  B.
$55/hr
100% Job Success
Available now
Offers consultations
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𝐒𝐭𝐨𝐩 𝐥𝐨𝐬𝐢𝐧𝐠 𝐭𝐢𝐦𝐞 𝐚𝐧𝐝 𝐫𝐞𝐯𝐞𝐧𝐮𝐞 𝐭𝐨 𝐝𝐢𝐬𝐜𝐨𝐧𝐧𝐞𝐜𝐭𝐞𝐝 𝐚𝐩𝐩𝐬 𝐚𝐧𝐝 𝐦𝐚𝐧𝐮𝐚𝐥 𝐰𝐨𝐫𝐤𝐟𝐥𝐨𝐰𝐬. I do not just write code or build fragile demos; I build production-ready AI solutions that integrate seamlessly into your business to generate measurable ROI. Whether you need an autonomous AI agent to scale your operations, a high-performance web platform, or a native mobile application, I architect solutions that eliminate bottlenecks and drive growth. With deep expertise bridging Artificial Intelligence with robust Full-Stack and Mobile App Development, I take projects from concept to deployment, ensuring they actually work in the real world. 𝐏𝐫𝐨𝐯𝐞𝐧 𝐈𝐦𝐩𝐚𝐜𝐭: 𝐀𝐈 𝐢𝐧 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧 𝐒𝐮𝐫𝐞𝐒𝐜𝐫𝐢𝐛𝐞.𝐚𝐢 | 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐌𝐞𝐝𝐢𝐜𝐚𝐥 𝐒𝐜𝐫𝐢𝐛𝐞 I engineered a comprehensive AI documentation platform that transcribes clinical conversations and autonomously generates patient visit notes. It is currently live and adopted by multiple medical practices. 𝐓𝐡𝐞 𝐈𝐦𝐩𝐚𝐜𝐭: Saves healthcare providers ~40 minutes/day and nurses ~30 minutes/day on manual paperwork. 𝐓𝐡𝐞 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧: Successfully and securely integrated with major systems like Athena and CharmHealth EHR. 𝐓𝐡𝐞 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞: Deployed on HIPAA-eligible AWS infrastructure (EC2, HealthLake) with strict security controls, zero PHI persistence, and a BAA in place for OpenAI workflows. 𝐖𝐡𝐚𝐭 𝐄𝐥𝐬𝐞 𝐈 𝐁𝐮𝐢𝐥𝐝: 𝐀𝐈 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 𝐒𝐲𝐬𝐭𝐞𝐦𝐬: I design custom AI Agents that handle complex reasoning, NLP, and workflow automation to replace hours of manual operations. 𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐖𝐞𝐛 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦𝐬: End-to-end Web Development, crafting responsive, data-heavy applications that perform flawlessly under pressure. 𝐇𝐢𝐠𝐡-𝐅𝐢𝐝𝐞𝐥𝐢𝐭𝐲 𝐌𝐨𝐛𝐢𝐥𝐞 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞𝐬: Comprehensive iOS Development and Android App Development, delivering seamless native apps. 𝐒𝐲𝐬𝐭𝐞𝐦 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬: Connecting existing CRMs, databases, and third-party APIs with intelligent layers so your business runs on autopilot. 𝐂𝐨𝐫𝐞 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐲 𝐒𝐭𝐚𝐜𝐤: I leverage the most reliable and highly demanded technologies to build your systems: 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐀𝐏𝐈𝐬: Python, Java, Django, Node.js, PostgreSQL, AWS 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 & 𝐖𝐞𝐛: JavaScript, React, Next.js 𝐌𝐨𝐛𝐢𝐥𝐞 𝐄𝐜𝐨𝐬𝐲𝐬𝐭𝐞𝐦𝐬: End-to-End Mobile App Development (iOS & Android) 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐜𝐞 & 𝐀𝐈: Artificial Intelligence, AI Agent Development, OpenAI API, Whisper AI, Hugging Face, Machine Learning 𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞? I approach every project as a strategic partner. I understand that technology fails when it does not fit into real operations. You can expect fast iterations, clear communication, and a focus on building stable, scalable systems that grow with your business. 𝐋𝐞𝐭’𝐬 𝐛𝐮𝐢𝐥𝐝 𝐬𝐨𝐦𝐞𝐭𝐡𝐢𝐧𝐠 𝐭𝐡𝐚𝐭 𝐦𝐚𝐤𝐞𝐬 𝐚 𝐫𝐞𝐚𝐥 𝐢𝐦𝐩𝐚𝐜𝐭. Send me a message with a brief overview of your project, and we will map out your workflow to determine exactly what needs to be built.
Muhammad B. has worked .
Tausif U.
$14.99/hr
97% Job Success
$500K+ earned
Available now
Offers consultations
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🎁 FREE 30-MIN CONSULTATION — tell me your idea and I'll give you a clear, honest plan: what to build first, what to avoid, and what it takes. 🚀 I help founders build production-ready mobile and web apps that scale to real users — React Native iOS & Android apps, Next.js web platforms, and AI-powered products. 900+ apps shipped. $500K+ earned. Top Rated Plus. 🏆 𝗥𝗘𝗔𝗟 𝗣𝗥𝗢𝗗𝗨𝗖𝗧𝗦 𝗜 𝗕𝗨𝗜𝗟𝗧 (live now, you can try them): ✅ T-Plus / SomBank — Somalia's first mobile wallet (ISO 27001, Mastercard) ✅ Chatter — group-first social platform on iOS & Android ✅ ZahraPay — mobile payments app — on the App Store ✅ Nvois — invoicing & billing app — on the App Store ✅ Accounty — accounting platform ✅ Cuddy, AngelsBond, Life-Match — dating & matching apps — live on the App Store ✅ Timezzi, Proposal App, Vehicle Transport Hub — SaaS & on-demand platforms 👑 As CEO of Glowingsoft Technologies, I lead a team of 90+ engineers. When you hire me, you're not getting just a developer — you're getting a partner who's shipped at scale and knows what to build, what to avoid, and how to grow it. 💻 𝗪𝗛𝗔𝗧 𝗜 𝗗𝗢 ✅ Full-stack mobile apps — React Native for iOS and Android from one codebase ✅ Web app development — Next.js, React, modern responsive front-ends ✅ Backend & APIs — Node.js, Express, REST, GraphQL, scalable architecture ✅ AI integration — ChatGPT, Claude, OpenAI APIs, RAG systems, chatbots, automation ✅ SaaS platforms, MVPs, and full product builds from idea to launch 🛠️ 𝗧𝗘𝗖𝗛 𝗔𝗥𝗦𝗘𝗡𝗔𝗟 ▪️ Mobile — React Native, Expo, Swift, SwiftUI, Kotlin ▪️ Frontend — React, Next.js, Angular, JavaScript, TypeScript ▪️ Backend — Node.js, Express, NestJS, Laravel, PHP, Python ▪️ AI & Automation — OpenAI, Claude, LangChain, RAG, LLM, Chatbots ▪️ Databases — MongoDB, Firebase, Supabase, MySQL, PostgreSQL ▪️ Cloud & DevOps — AWS, Docker, CI/CD, Serverless ▪️ Integrations — Stripe, PayPal, Twilio, Google Maps, Firebase Auth 🎯 𝗜𝗡𝗗𝗨𝗦𝗧𝗥𝗜𝗘𝗦 & 𝗪𝗛𝗔𝗧 𝗜 𝗕𝗨𝗜𝗟𝗗 🏦 𝗕𝗮𝗻𝗸𝗶𝗻𝗴 & 𝗙𝗶𝗻𝗧𝗲𝗰𝗵 — full banking apps, end to end: ✅ Secure signup, OTP & social auth, Face ID & biometric login ✅ Payments — cards, bank transfers, wallets, Stripe, PayPal ✅ KYC & identity verification, real-time transactions & history ✅ Bank-grade security, encryption, 2FA, and fraud detection ➡️ A FinTech product I built scaled past 15M users. 🛒 𝗘-𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲 & 𝗠𝗮𝗿𝗸𝗲𝘁𝗽𝗹𝗮𝗰𝗲𝘀 — stores and multi-vendor platforms: ✅ Product catalogs, search, filters, cart, and secure checkout ✅ Multi-vendor marketplaces with seller dashboards & payouts ✅ Payment gateways — Stripe, PayPal, cards, cash on delivery ✅ Order tracking, shipping, ratings, reviews, and loyalty programs 📍 𝗢𝗻-𝗗𝗲𝗺𝗮𝗻𝗱 & 𝗕𝗼𝗼𝗸𝗶𝗻𝗴 — real-time service and booking apps: ✅ Live booking, scheduling, and availability calendars ✅ Real-time GPS tracking and route optimization ✅ Separate customer and driver/provider apps ✅ In-app payments, wallets, automated payouts, and live chat ➡️ Booking apps I've built process millions of transactions across Africa and the US. 🏥 𝗛𝗲𝗮𝗹𝘁𝗵𝗰𝗮𝗿𝗲 & 𝗧𝗲𝗹𝗲𝗺𝗲𝗱𝗶𝗰𝗶𝗻𝗲 — secure, compliant health apps: ✅ Patient profiles, appointment booking, doctor scheduling ✅ Video consultations, secure messaging, prescriptions, health tracking 🎓 𝗘𝗱𝗧𝗲𝗰𝗵 & 𝗘-𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 — course and live-learning platforms: ✅ Student/instructor signup and role-based access ✅ Course catalogs, video lessons, and live classes ✅ Quizzes, assignments, certificates, and subscriptions 💬 𝗦𝗼𝗰𝗶𝗮𝗹 & 𝗗𝗮𝘁𝗶𝗻𝗴 — community and matching apps: ✅ Profiles, verification, smart matching, and discovery feeds ✅ Real-time chat & video calls, moderation, premium subscriptions 🤖 𝗔𝗜-𝗣𝗼𝘄𝗲𝗿𝗲𝗱 𝗔𝗽𝗽𝘀 — smart products built on modern AI: ✅ ChatGPT, Claude, and OpenAI API integration ✅ RAG systems, document processing, and AI chatbots ✅ AI-driven recommendations, smart search, and automation 🔥 𝗟𝗘𝗧𝗦 𝗕𝗨𝗜𝗟𝗗 I don't take every project — only the ones I can fully commit to and deliver beyond expectations. Whether you're launching an MVP or scaling an existing product, I'll help you build the right thing, the right way. 📩 Message me one line about your idea. I'll reply with a clear plan — free, no obligation. Keywords: Full Stack Developer | Full Stack Web Developer | Full Stack Mobile App Developer | Full Stack Engineer | MERN Stack Developer | React Native Developer | React Native App Developer | React Native Mobile App Developer | React Developer | React.js Developer | Next.js Developer | Next.js Web Developer | Web App Developer | Web Application Developer | Web Developer | Mobile App Developer | Mobile App Development | Cross-Platform App Developer | iOS App Developer | iOS Development | Android App Developer | Android Developer | JavaScript Developer | TypeScript Developer | Node.js Developer | Express.js Developer | API Integration | REST API | GraphQL | AI Developer | AI Integration | AI App Develop | Claude
Tausif U. has worked .
Glowingsoft Technologies
Associated with
Glowingsoft Technologies
$100K+
earned
Dhananjay K.
$45/hr
100% Job Success
$300K+ earned
Available now
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⚡ Great software isn’t just built it’s architected for scale, performance, and intelligent automation. I’m a Senior Full-Stack Java Architect with 10+ years of experience building secure, scalable, and production-ready applications for startups and enterprise teams. I don’t just write code I design systems that are reliable today and adaptable for tomorrow. My strength lies in combining deep Java engineering with modern AI capabilities to deliver smarter software, faster development cycles, and long-term business value. 🚀 What I Deliver • Enterprise-grade backend systems (Java, Spring Boot, Microservices) • Scalable SaaS and cloud-native applications • High-performance frontend applications (React, Angular) • Secure APIs and system architecture • AI-powered automation and intelligent workflows → Built for performance, scalability, and real-world usage. 🤖 AI & Intelligent Automation I integrate modern AI capabilities directly into applications to unlock real business value: • OpenAI, Claude, Gemini • LangChain, LlamaIndex • RAG pipelines & semantic search • Vector databases (Pinecone, FAISS) • AI agents & workflow automation Use cases delivered: • AI chatbots & virtual assistants • Document processing & summarization • Knowledge search systems • Business workflow automation → Turning traditional software into intelligent systems. 🛠 Core Technical Expertise Backend & Architecture Java • Spring Boot • Microservices • REST APIs • Hibernate • Secure system design Frontend React • Angular • Next.js • TypeScript • Performance-focused UI Cloud & DevOps AWS • Docker • CI/CD pipelines • Scalable deployments Databases MySQL • PostgreSQL • MongoDB 🌟 Why Clients Work With Me ⭐ Architecture-first approach (not just coding) ⭐ Clean, maintainable, production-ready code ⭐ Strong focus on performance & scalability ⭐ Clear communication and ownership ⭐ AI-enhanced development for faster delivery 💡 What You Can Expect If you're looking for someone who can think beyond development someone who understands architecture, scalability, and modern AI-driven systems I can help you build software that truly supports your business growth. 📩 Let’s Build Something Powerful Whether you're building a new product, scaling an existing system, or integrating AI into your platform I’m ready to help. Let’s discuss your project.
Dhananjay K. has worked .
Kunal S.
$50/hr
94% Job Success
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🚀 Top Rated Full-Stack & Mobile App Developer | MVP to Enterprise-Scale Solutions I am a Top Rated Upwork developer with a 100% Job Success Rate, specializing in building high-quality, scalable web, mobile, and backend solutions for startups and growing businesses. I work across the full development lifecycle—from idea validation and MVP development to large-scale, production-ready platforms—ensuring performance, security, and long-term scalability. 💻 Technologies I Work With Backend & Web Development Node.js, Express.js PHP, Laravel WordPress (custom themes, plugins, APIs) Mobile Application Development React Native Flutter Native iOS (Swift) Native Android (Java, Kotlin) Databases MongoDB MySQL PostgreSQL 📦 Domain Expertise Logistics & Warehousing Systems IoT Platforms (large-scale tracking and monitoring) Fleet, asset, and device tracking solutions Inventory and warehouse workflow automation I have hands-on experience developing IoT platforms for large brands, handling real-time data, device integrations, analytics, and scalable backend architectures. 🧠 What I Do Best MVP development for startups Large-scale application development REST & real-time API architecture System integrations & performance optimization Clean, maintainable, production-ready code ⭐ Why Work With Me? ✅ Top Rated on Upwork ✅ 100% Job Success Rate ✅ Proven experience with MVPs and enterprise systems ✅ Clear communication and on-time delivery ✅ Long-term partnership mindset If you’re looking for a reliable developer who can turn your idea into a working product—or scale your existing platform—I’d be happy to help.
Kunal S. has worked .
Igor V.
$35/hr
100% Job Success
$200K+ earned
Available now
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⭐️⭐️⭐️⭐️⭐️ TOP RATED PLUS | Front End Developer | React Developer | Full Stack Developer | Next.js Developer — building scalable, production-grade products used by thousands of users 🚀 🔥 49 COMPLETED JOBS WITH ZERO NEGATIVE FEEDBACK ⭐️ Consistent 5-STAR REVIEWS & LONG-TERM CLIENT PARTNERSHIPS 💼 $200K+ earned on Upwork | ⏱ 8,000+ hours delivered | 🏆 100% Job Success Rate 🌍 40+ products shipped across 18+ countries | 🏅 15+ long-term client partnerships Building a serious product takes more than a polished UI — it takes a Full Stack Developer who understands architecture, scalability, and business impact. I'm a senior Front End Developer and Full Stack Developer with 9+ years building high-performance web apps, SaaS platforms, landing pages, and mobile apps for startups and growth-stage companies with React, Next.js, and Node.js. I keep frontend and backend tightly integrated so every decision serves the business. 📊 Impact & Metrics Products I've shipped serve 10K–100K+ monthly actives and handle 5M+ API requests/month. As a Front End Developer and React Developer I've cut load times 40–60%, lifted conversions 20–35%, and dropped bounce rates 25%+. Recent work: organic traffic +62%, TTI 2–3x faster, and a dashboard rebuild that grew weekly actives from 4K to 18K (+350%) in 4 months. 🏗 Architecture & Scalable Systems As a React Developer I design scalable component systems with Redux or Zustand; with Next.js I build hybrid rendering — SSR, SSG, ISR, API routes — tuned for performance and SEO. As a Full Stack Developer I work in Node.js, ExpressJS, and Python (Django, FastAPI), building REST APIs across PostgreSQL, MySQL, MongoDB, and Supabase, with WebSockets, Docker, and CI/CD on AWS or Vercel cutting release times 50%+. Modular patterns reduce technical debt and bug rates 30–40%. 🤖 AI Development & Intelligent Systems I build production-ready AI apps and agents with the OpenAI API and Claude, connecting LLMs to real product needs, not demos. As a Full Stack Developer and React Developer, I ship conversational interfaces, multi-step reasoning pipelines, ML features inside existing platforms, and AI-powered dashboards that save teams 15–25 hours/week. 📱 Mobile App Development Beyond the web, I build cross-platform apps with React Native for Android and iOS, sharing logic with the web codebase to cut delivery time up to 40%. As a Front End Developer who treats mobile as a first-class surface, I've shipped apps holding 4.5★+ store ratings. 🎨 Design-to-Code & Website Builds I turn Figma and Framer designs into pixel-perfect, responsive interfaces with Tailwind CSS and SCSS — landing pages, full websites, or redesigns, always polished and fast. As a Front End Developer I consistently hit Lighthouse 95+ and median LCP under 1.8s. 📈 Business-Oriented Engineering As a React Developer I've refactored unstable React codebases into maintainable systems, shipped Next.js platforms that grew organic acquisition, built Stripe subscription and marketplace flows, and handled API integration, cutting infra overhead 20–30%. One Full Stack Developer engagement took a signup funnel from 90 to 240/month (+165%) while halving server costs. ⚡ Performance & Optimization I treat Core Web Vitals like LCP and TTI as real product metrics, getting them 2–3x faster through code splitting, lazy loading, caching, and SSR/ISR/static rendering. As a Front End Developer obsessed with speed, I've taken pages from 6s+ to sub-2s, lifting conversion +38% and cutting bounce 25%+. 🔧 Primary Stack Frontend: React.js, Next.js, TypeScript, Redux, Zustand, Tailwind CSS, SCSS, Framer. Backend: Node.js, ExpressJS, Python (Django, FastAPI), REST, GraphQL, WebSockets. AI: OpenAI API, Claude, custom ML. Mobile: React Native, native Android. Infra: AWS, Vercel, Docker, CI/CD, PostgreSQL, MySQL, MongoDB, Redis, Supabase. Need a React Developer for a complex SPA or a Full Stack Developer to own the whole product? The stack flexes to fit. 💡 Data-Backed Results at a Glance ✅ 60% faster load times via Next.js rendering & caching ✅ 35% increase in conversion rates through funnel-focused Front End Developer work ✅ 350% growth in active users on a React Developer dashboard rebuild ✅ 62% lift in organic traffic via SEO-optimized SSR/SSG ✅ 50% shorter release cycles after CI/CD automation ✅ 40% reduction in mobile delivery time through shared React Native logic ✅ 30% drop in technical debt and bugs via modular components ✅ 25% lower bounce rates after Core Web Vitals work ✅ 165% more signups on a Stripe SaaS funnel rebuild ✅ 95+ Lighthouse scores with sub-1.8s LCP 🤝 How I Work I stay product-focused, build clean, scalable architecture from day one, and iterate fast without piling up technical debt. As a Front End Developer and Full Stack Developer who's partnered with 40+ founders, CTOs, and product teams, I prefer long-term partnerships over one-off gigs. Looking for a React Developer who thinks in products, not tickets? Let's talk.
Igor V. has worked .
GoHard
Associated with
GoHard
$300K+
earned
Anton C.
$35/hr
98% Job Success
$400K+ earned
Available now
Offers consultations
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🚀 Specializes in React, Next.js, and Node.js with a strong focus on production-ready SaaS, multi-tenant B2B platforms, and AI-powered web applications. ⭐ Top Rated Plus React developer 📅 6+ years of experience Full-stack development 📦 70+ projects delivered ⏱️ 5,000+ Upwork hours 🔁 ~70% returning clients A full stack developer and React developer with 6+ years of experience building fast, scalable, and secure web applications from MVP to production scale — a proven track record of reliable, high-quality delivery for startups, founders, agencies, SaaS companies, and growing businesses. 🏢 Multi-tenant SaaS & B2B platforms Strong background in multi-tenant SaaS and B2B platforms: secure, role-based systems with custom workflow logic, OWASP-compliant authentication, RBAC, and full Stripe billing (Checkout, Subscriptions, and Connect) — built to scale reliably, reduce manual operations work, and keep subscription billing accurate. This aligns well with SaaS, dashboard, admin panel, and B2B platform projects. 🤖 AI-powered products Experienced in AI-powered products: RAG pipelines, embeddings, semantic search, and prompt engineering with the OpenAI and Anthropic APIs. I build AI SaaS, chatbots, and automation tools with real-time features, streaming responses, and offline-ready PWAs — designed to lower response latency and improve reliability for end users. A strong fit for AI SaaS, automation, and integration projects. 🛒 Web apps, marketplaces & e-commerce As a web developer, I build two-sided marketplaces, e-commerce platforms, booking and scheduling systems, real-time chat and messaging, analytics dashboards, internal tools, and landing pages. Comfortable with complex features like authentication flows, payment processing, real-time data handling, and third-party API integrations. ⚡ Next.js, performance & SEO As a Next.js developer, I work deeply with the App Router, Server Components, SSR, SSG, ISR, and Jamstack builds, plus API routes and middleware — builds that typically improve SEO, reduce time-to-interactive, and deliver faster load times. With strong front end developer experience, I optimize for Core Web Vitals, accessibility, and responsive, cross-browser interfaces — so your product ranks well and feels fast on every device. 🔌 Integrations & features I implement OAuth and SSO, webhooks, payment gateways (Stripe and PayPal), Google APIs, calendar, email and SMS (SendGrid, Resend, Twilio), file uploads, PDF generation and exports, charts and data visualization, advanced search and filtering, notifications, and workflow automation with Zapier and Make. 🛠️ Tech stack A JavaScript developer proficient in React, React.js, Next.js, Node.js, TypeScript, and JavaScript. Skilled in Express, NestJS, REST and GraphQL APIs, tRPC, Prisma and Drizzle, PostgreSQL, Supabase, Firebase, PlanetScale, and Neon. Frontend with HTML5, CSS3, SCSS, Tailwind CSS, Styled-Components, Shadcn/ui, Framer Motion, and GSAP; state and data with Redux, Zustand, React Hook Form, Zod, and TanStack Query. Cloud and DevOps on AWS (Lambda, S3, EC2, RDS, Cognito), Google Cloud Platform, Azure, Vercel, and Netlify, with CI/CD via GitHub Actions. Testing with Jest, Vitest, and Playwright; monitoring with Sentry; headless CMS with Sanity, Storyblok, Payload, and Contentful. As a React Native developer, I also build cross-platform mobile apps with React Native and Expo. 🔧 Beyond my core stack Having worked across many different codebases, I'm also comfortable with and have worked with Python, PHP, Laravel, MySQL, MongoDB, Redis, WordPress, Java, FastAPI, jQuery, Gatsby.js, Remotion, and Web3 — so if your existing project mixes stacks, I can pick things up quickly, take over inherited code, and keep everything moving. 🎯 What clients hire me for Clients hire me for scalable web applications, secure REST and GraphQL APIs, high-performance Next.js front-ends, clean and modern UI, responsive and intuitive dashboards, and reliable, production-ready SaaS — all built with maintainable, well-architected, and tested code. I work across industries including SaaS, B2B, fintech, e-commerce, healthtech, ed-tech, real estate, and online marketplaces, building everything from MVPs and internal tools to full-scale, multi-tenant products. 🤝 How I work You get a reliable senior software developer who reads the brief carefully, asks the right questions, and communicates clearly. I recommend a pragmatic, scalable approach and ship clean, well-tested, production-ready code with strong ownership of performance, security, and maintainability. 💡 Whether you need a new product built from scratch, an MVP developer for a fast launch, a rescue of an existing codebase, or a long-term development partner, I'm here to help. Open to both fixed-scope MVPs and long-term product work. Let's discuss your project — happy to walk through relevant work and a recommended approach on a quick call. 👇
Anton C. has worked .
UI UX design agency with Full-Stack development expertise
Associated with
UI UX design agency with Full-Stack development expertise
$300K+
earned
Sonal K.
$22/hr
100% Job Success
$50K+ earned
Available now
Offers consultations
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👋 Hi, I’m Sonal Khanpara, a passionate web, mobile, and AI product development expert with over a decade of experience leading innovative projects at Ingenious Minds Lab (IML). I specialize in building scalable, secure, and performance-driven applications that transform ideas into successful digital products. 💡 Core Expertise - Mobile Development: Flutter | React Native | SwiftUI | Kotlin | iOS | Android - Web Development: React.js | Next.js | TypeScript | Node.js | Java Spring Boot | Django | Laravel - Backend & API Development: REST | GraphQL | Microservices | AWS | Firebase | Docker | CI/CD - Databases: MySQL | PostgreSQL | MongoDB | Firestore | Redis 🏆 Key Achievements ✅ Delivered 250+ projects globally with top-rated client satisfaction ✅ Developed fintech apps processing $2M+ in monthly transactions ✅ Scaled eCommerce platforms to handle 50K+ daily orders ✅ Built AI-powered automation systems improving performance by 40% ✅ Delivered enterprise SaaS & cross-platform mobile products ⚙️ Development Process - Discovery & Planning: Requirement gathering & technical blueprint - Agile Development: Iterative builds with demo-ready staging - Testing & QA: Automated + manual testing for reliability - Deployment: Secure production rollout with full documentation - Post-Launch Support: Maintenance, updates, and optimization 🌟 Why Work With Me ✔️ 15+ years of proven technical excellence ✔️ Strong domain knowledge in AI, Fintech, Web3, SaaS, and Mobile Apps ✔️ Transparent communication & daily progress reports ✔️ 40-Hour Risk-Free Trial for new clients ✔️ Complimentary 90-Day Support after delivery 💬 What You Get → Complete web + mobile + backend + AI development under one roof → Clean, modular, and maintainable code built for scalability → Fast MVP-to-Production delivery cycles → Measurable results with real business ROI → A trusted long-term technology partner focused on success 📍 Industries Served: Fintech | AI | SaaS | Healthcare | E-commerce | Education | Real Estate 🌍 Availability: Immediate | Flexible across EST / PST hours 💬 Communication: Slack | Zoom | Email | Daily updates 🚀 Ready to bring your idea to life with innovation, precision, and speed? Let’s connect , I’ll share a detailed technical roadmap and delivery plan within 24 hours.
Sonal K. has worked .
Ingenious Minds Lab
Associated with
Ingenious Minds Lab
Sagarkumar S.
$16/hr
100% Job Success
$300K+ earned
Available now
Offers consultations
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Are you looking for a Mobile app developer who can design and develop your app for the next millions of users? ARE YOU - Looking for a mobile app development service starting from the design, development to release and publish a mobile app to Play Store and App Store for mobile app users/customers. - Looking for a mobile app developer who can integrate new features into your existing Android app, iOS app or Flutter app based projects? - Individual | Big company | Startup who wants to build and create Android app or iOS app from scratch? - Looking for a mobile app developer who can transform your idea into reality? - Someone who invests in the best so you get better results? If any of that is what you need, message me and I am here to help you. Who am I? - I'm Sagarkumar Surani, a Senior Mobile App Developer with 10+ years of experience and a Master’s degree in Computer Science and Engineering. - I worked with big brands, startups and individuals to create mobile apps for their requirements. My work also got featured a few times in the market store. Apps developed by me have 100 million+ downloads on store and users love to keep the app on their phone as a permanent app. - I’ve worked with clients from over 40 countries, such as the USA, UK, Germany, India, and Australia, which has given me a strong understanding of different international markets. My experience covers a variety of industries, including Travel and Tourism, train ticket booking, transport, educational, hospitality, health & wellness, real estate, live streaming, Marketplace, food & delivery, human resources, fitness, financial & banking sectors, e-commerce, dating, sports, Betting, music/audio, and automotive. I specialize in these high-quality Mobile App Design and Development areas: - Android app development - Kotlin, Java, Android SDK, Android Studio - iPhone app development - Swift, SwiftUI, Objective C, iOS SDK, Xcode - Backend Development | Node.js - Cross Platform Mobile App Development using Flutter, Dart - UI/UX: Mobile design - Mobile & Web app design - UX/UI design - Landing page design Skills : - Have experience developing, releasing & maintaining applications as a Mobile app developer - Strong skills in executing pixel & animation perfect UI's relative to good app performance - Have great communication skills and ability to work with your team - Have a great understanding of MVC, MVP, MVVM and take great care to ensure each project is well-architecture with best practices and easily maintainable so it can be enhanced as feature grows. - The ability to take initiative and work independently with very little supervision - Application requirement analysis - Translating requirements to technical languages In addition to Mobile app development services, my topic areas of expertise include: - Mobile Application Architect - Native Mobile Application Development consultation - Mobile Application UI/UX design using Figma, Adobe XD - Mobile Application backend services Firebase, AWS Mobile Hub - Mobile Application backend development: Node, Express, TypeScript, JavaScript, MongoDB, MySQL, PHP, RESTful API development, Google App Engine - Website development, Web Scraping, Web Admin Panel, CMS Development - Chatbot development, Facebook Messenger If you still think this is right for you, contact me. Thank you in advance for your time and consideration. Kind Regards Sagarkumar Surani P.S. - When you work with me your satisfaction is 100% guaranteed. - Every person who ever worked with me got results. EVER! - Even if you don’t hire me now, keep my profile link in case you need a Mobile App Developer later. FAQ Q: Can you provide maintenance support after development? A: Yes, I provide free of cost maintenance support for 12 months after mobile app development. Q: Can you help with Mobile app design? A: Yes, I offer a Mobile app UX design as an additional service. Q: Can you help with the landing page website for my mobile app product? A: Yes, I can help to build the landing page for a mobile app product. Warmly, Sagarkumar Surani ----------------------------------------------------- Native Android App Developer, iOS App Developer, Cross-Platform Flutter App Developer, Top Flutter Developer, React Native, Hire Best MERN Stack Developer, RESTful API Developer, API Integration, Frontend Developer, React.js, Backend Developer, Nodejs, Javascript, Figma, UI/UX Design, Prototype, In-app purchases, Location, Payment Gateway Integration, Apple Xcode, Android Studio, Push notifications, User authentication, User profile creation, QA, Unit Testing, Regression Testing, Dating App, Ecommerce App, RevenueCat, Adapty, 3rd Party SDK Integration, SQLite, MySQL, Firebase Cloud Firestore, Realtime Database, Kotlin, Swift, Java, Dart, SwiftUI, Twilio, Mapbox, HealthKit, Google Analytics, Amazon Web Services, DigitalOcean, Core Data, UIKit, MapKit, Phone, Full Stack Developer, iPad, OpenAI ChatGPT LLM, ChatGPT API Integration .
Sagarkumar S. has worked .