Mobile apps rarely fail at launch. They fail when they scale, break, or stop delivering value to users. ***That is where the real work begins*** I work with startups and businesses to build mobile applications that are not just launched, but are stable, scalable, and built to perform under real user demand. From idea to App Store and Google Play, the focus stays on reliability, speed, and long-term usability. Over the past 10+ years, I have delivered 50+ mobile apps across iOS and Android, covering everything from early-stage MVPs to production-scale platforms used by growing user bases. 🔹Technology Stack: - Mobile Apps: React Native, iOS (Swift, SwiftUI), Android (Kotlin, Java), Flutter - AI/ML: ChatGPT, GPT-4o, Claude, RAG, NLP - Backend: Node.js, Python, Firebase, REST APIs - Cloud & Database: AWS, Google Cloud, MySQL, MongoDB - UI/UX Design: Figma, Adobe XD Important Note: All discussed ideas and project details are protected under a strict NDA. 🏆𝗔𝗰𝗵𝗶𝗲𝘃𝗲𝗺𝗲𝗻𝘁𝘀: - 10+ Years of Experience in mobile app development - 50+ Successful App Launches on App Store & Google Play - Fluent English & Client-Verified Communication Skills - 𝐂𝐥𝐢𝐞𝐧𝐭-𝐅𝐢𝐫𝐬𝐭 Philosophy: Quality, Satisfaction & Long-Term Partnerships 🌐 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐲 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞:- 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩𝐬: Dating Apps | Taxi Booking | Food Delivery | Health & Fitness | Education | E-commerce | Social Chat Apps | Music | Restaurant Apps 🔹𝐒𝐤𝐢𝐥𝐥𝐬 & 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞:- - AI & Chatbots: ChatGPT, OpenAI, AI-powered real-time chat - Backend & APIs: Node.js, Python, Firebase, REST API integration - Payments & Subscriptions: PayPal, Stripe, Razorpay, Google Pay, Apple Pay, In-App Purchases - Real-time & Media: Chat, Audio/Video Calls, Live Streaming - Location Services: Google Maps, Real-time Tracking, Geolocation - App Deployment: App Store & Play Store - AI and Chatbot Development: AI-powered chat, ChatGPT, OpenAI, Gemini, Deepseek, Replit, n8n 🔹𝐂𝐎𝐍𝐒𝐔𝐋𝐓𝐀𝐓𝐈𝐎𝐍 – • The best technology stack • App architecture & scalability strategies • Cost & timeline estimates tailored to your needs • Solutions for API integration, UI/UX, real-time features, and more Message me now to schedule a consultation! #MobileAppDeveloper #MobileAppDevelopment #AppDevelopment #iOSAppDevelopment #AndroidAppDevelopment #NativeAppDevelopment #CrossPlatformDevelopment #Flutter #ReactNative #Swift #Kotlin #Java #SwiftUI #AndroidSDK #Dart #APIIntegration #RESTAPIs #BackendDevelopment #Firebase #NodeJS #CloudServices #UIUXDesign #PushNotifications #RealTimeChat #InAppPurchases #PaymentGatewayIntegration #LocationServices #AppStoreDeployment #PlayStoreDeployment #AppOptimization #PerformanceTuning #AIIntegration #ChatGPTAPI #MachineLearningMobile #ARMobileApps #EcommerceApp #SocialAppDevelopment #FinTechMobile #HealthTechApp #OnDemandApps

I'm a Back End Developer with extensive experience in building high-quality sites. I have vast experience building Web services and APIs. I am specialised in backend development using Express in Nodejs or Spring Boot in Java. I love solving problems and I am committed to serve my customers well.

Are you looking for a Full Stack Developer who delivers clean code, scalable architecture, and real business results? You're in the right place. I'm a Full Stack Developer specializing in SaaS platforms, AI-powered web applications, and high-performance APIs. With deep expertise in React, Node.js, MongoDB, and Python, I help startups and businesses turn ideas into fully functional, production-ready products. 𝐖𝐇𝐀𝐓 𝐈 𝐁𝐔𝐈𝐋𝐃 𝐅𝐎𝐑 𝐘𝐎𝐔: ✅ SaaS Platforms & MVP Development ✅ AI Integrations (OpenAI, LangChain, Claude API) ✅ Full Stack Web Applications (MERN + Next.js) ✅ REST & GraphQL API Development ✅ Database Design (MongoDB, PostgreSQL, MySQL) ✅ Python Automation & Backend Development ✅ Third-Party API Integrations (Stripe, Twilio, Firebase) ✅ Cloud Deployment (AWS, Vercel, Netlify, Docker) 𝐌𝐘 𝐓𝐄𝐂𝐇 𝐒𝐓𝐀𝐂𝐊: ► Frontend: React.js | Next.js | TypeScript | Tailwind CSS | Redux ► Backend: Node.js | Express.js | Python | FastAPI | Django ► Database: MongoDB | PostgreSQL | MySQL | Supabase | Firebase ► AI/ML: OpenAI API | LangChain | Hugging Face | Claude API ► DevOps: AWS | Docker | Vercel | GitHub Actions | CI/CD ► Tools: REST APIs | GraphQL | Stripe | WebSockets | JWT Auth 𝐖𝐇𝐘 𝐂𝐋𝐈𝐄𝐍𝐓𝐒 𝐂𝐇𝐎𝐎𝐒𝐄 𝐌𝐄: ✔ Clean, well-documented & scalable code ✔ On-time delivery always ✔ Clear communication throughout the project ✔ Post-delivery support included ✔ Agile workflow with regular progress updates ✔ NDA-friendly & long-term partnership focused 𝐓𝐘𝐏𝐄𝐒 𝐎𝐅 𝐏𝐑𝐎𝐉𝐄𝐂𝐓𝐒 𝐈 𝐋𝐎𝐕𝐄: ► SaaS dashboards and subscription-based platforms ► AI chatbots, automation tools & LLM-powered apps ► E-commerce platforms with payment gateway integrations ► Real-time apps using WebSockets ► Custom CRM, ERP & business management systems ► API development & third-party service integrations 𝐈𝐍𝐃𝐔𝐒𝐓𝐑𝐈𝐄𝐒 𝐈'𝐕𝐄 𝐖𝐎𝐑𝐊𝐄𝐃 𝐖𝐈𝐓𝐇: FinTech | HealthTech | EdTech | E-Commerce | Real Estate | Logistics LegalTech | HRTech | TravelTech | SaaS Startups | Social Media Platforms On-Demand Services | Food & Restaurant | CRM & ERP Systems | Cybersecurity Blockchain & Web3 | Media & Entertainment | Non-Profit | Insurance | Retail 𝐂𝐋𝐈𝐄𝐍𝐓 𝐑𝐄𝐒𝐔𝐋𝐓𝐒 𝐓𝐇𝐀𝐓 𝐒𝐏𝐄𝐀𝐊: 1. "Wahid consistently finds creative solutions and is always available to work through challenges. I’ve completed two site projects with his team, and both exceeded expectations. In each case, they added features I hadn’t originally considered that meaningfully improved the site’s functionality. I would absolutely recommend Wahid and his team" 2. "Outstanding experience working with Mian.Strong expertise in PHP and React, delivered clean and efficient code. Very responsive and reliable. Would definitely hire again" 𝐋𝐄𝐓'𝐒 𝐁𝐔𝐈𝐋𝐃 𝐒𝐎𝐌𝐄𝐓𝐇𝐈𝐍𝐆 𝐆𝐑𝐄𝐀𝐓: Whether you need a complete web application from scratch, an AI-powered feature added to your existing product, or a scalable backend API I'm here to make it happen. 𝐒𝐞𝐧𝐝 𝐦𝐞 𝐚 𝐦𝐞𝐬𝐬𝐚𝐠𝐞 𝐨𝐫 𝐢𝐧𝐯𝐢𝐭𝐞 𝐦𝐞 𝐭𝐨 𝐲𝐨𝐮𝐫 𝐣𝐨𝐛 𝐭𝐨𝐝𝐚𝐲. 𝐋𝐞𝐭'𝐬 𝐝𝐢𝐬𝐜𝐮𝐬𝐬 𝐲𝐨𝐮𝐫 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 𝐚𝐧𝐝 𝐠𝐞𝐭 𝐬𝐭𝐚𝐫𝐭𝐞𝐝!

🚀 Full-Stack Engineer | Back-End Specialist | 8+ Years of Experience Hi! I'm a Full-Stack Engineer with over 8 years of experience building scalable, high-performance web applications and APIs. I specialize in designing robust architectures, optimizing system performance, and delivering clean, maintainable code that drives business success. 🔧 Back-End Expertise Languages: Go (Golang), Node.js, PHP ( Laravel ), Ruby ( Ruby on Rails ), Python ( Django ) Architecture: Microservices, gRPC, RESTful APIs, GraphQL Messaging & Queues: RabbitMQ, Background Workers Databases: PostgreSQL, MySQL, MongoDB, DynamoDB, Supabase 🎨 Front-End Skills React.js, Next.js JavaScript (ES6+), HTML5, CSS3 Responsive UI development, component-based architecture Webflow Framer ☁️ DevOps & Deployment Cloud Platforms: AWS (EC2, S3) Containerization & Orchestration: Docker, Kubernetes (K8s) Deploying and managing scalable services in production environments 💡 What Sets Me Apart Deep understanding of both server-side and client-side technologies for cohesive end-to-end solutions. Strong experience deploying and maintaining production systems using AWS and Kubernetes for scalability and reliability. Proven track record of delivering production-ready, secure, and fast applications in agile environments. Focus on clear communication, timely delivery, and writing code that’s easy to maintain and scale. 🌍 Let’s Build Something Great Whether you need to design a system from scratch, scale your architecture, or improve an existing product, I’m here to help. I pride myself on aligning technical solutions with real business value — let’s talk about how I can bring your project to life.

🕒 3+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐩𝐫𝐨𝐟𝐞𝐬𝐬𝐢𝐨𝐧𝐚𝐥 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 🕒 679+ hours on Upworks ✅ 25+ projects delivered (Websites, Backend Servers) 🔥 Skilled in scalable, secure, and high performing applications Hi there! I'm a Senior Full Stack developer, expert on Upwork, with a proven track record of delivering high impact solutions for companies. I specialize in building custom Websites based on (MVPs, SaaS, Web3). I work as a hands on technology partner, supporting every stage of the development lifecycle from concept and design to deployment and long-term maintenance. 𝗦𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: Full-Stack Development | WebDevelopment | Web Application | SaaS Development | MVP | Database Architecture | API Development | AWS | MERN | Whatsapp Bot 𝗧𝗲𝗰𝗵-𝘀𝘁𝗮𝗰𝗸: ⁃ Front-End Development: React.js, NextJs , JavaScript, TypeScript, Tailwind CSS, HTML ⁃ Back-End Development: Node.js, Express.js, NestJS ⁃ Database Management: MongoDB, MY SQL, MS SQL, DynamoDB ⁃ API Integration: RESTful APIs, REST, OpenAPI, WebSockets, Microservice ⁃ AI Integration: Open AI, Gemini , Claude ⁃ AWS Tools: EC2, S3, Sqs, Cloud Watch, DynamoDB. Lambda ⁃ Version Control: GitHub 𝗚𝗲𝘁 𝗮 𝗙𝗿𝗲𝗲 𝗪𝗲𝗯𝘀𝗶𝘁𝗲 𝗖𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝘁𝗶𝗼𝗻 + 𝗟𝗼𝗼𝗺 𝗩𝗶𝗱𝗲𝗼 𝗕𝗿𝗲𝗮𝗸𝗱𝗼𝘄𝗻 (𝘄𝗶𝘁𝗵𝗶𝗻 𝟰𝟴 𝗵𝗼𝘂𝗿𝘀)! 𝗟𝗲𝘁’𝘀 𝗱𝗶𝘀𝗰𝘂𝘀𝘀 𝘆𝗼𝘂𝗿 𝗶𝗱𝗲𝗮 𝗮𝗻𝗱 𝘁𝘂𝗿𝗻 𝗶𝘁 𝗶𝗻𝘁𝗼 𝗮 𝗽𝗲𝗿𝗳𝗲𝗰𝘁 𝗹𝗶𝘃𝗲 𝘄𝗲𝗯𝘀𝗶𝘁𝗲!

With +7 of experience as a Senior Developer, I have honed a diverse skill set that spans across various technologies and platforms. My proficiency in both front-end and back-end development enables me to create high-performing, user-friendly web applications. I am passionate about leveraging my skills to develop innovative solutions that meet client needs and drive business growth. Let’s connect and explore how I can contribute to your team’s success. 𝗞𝗲𝘆 𝗦𝘁𝗿𝗲𝗻𝗴𝗵𝘁 💪Problem-Solving: Adept at identifying issues and implementing effective solutions to ensure project success. 💪Collaboration: Proven ability to work effectively in team environments and contribute to cross-functional projects. 💪Adaptability: Quickly learning and integrating new technologies to stay ahead in a rapidly evolving industry. 💪Attention to Detail: Ensuring high-quality code and design standards in every project. 𝗞𝗲𝘆 𝗦𝗸𝗶𝗹𝗹 ✔️Front-End Development → React / ReactNative, NextJS, Tailwind, MUI, Antd, Bootstrap : Crafting dynamic, pixel-perfect, and high-performance interfaces with modern, intuitive UI/UX, ensuring optimal user experiences across all devices. ✔️Back-End Development → NodeJs, ExpressJs, NestJS, PHP, CodeIgniter : Crafting robust APIs, server-side logic, and efficient applications. ✔️Database Management → Relational Databases (MySQL, MariaDB, PostgreSQL, SQLite) and NoSQL Databases (MongoDB, DynamoDB): Ensuring data integrity, scalability, and performance. ✔️DevOps and Deployment → CI/CD, Docker, PM2, AWS, DigitalOcean: Automating testing and deployment, containerizing applications, and managing cloud infrastructure.

👋 𝗛𝗲𝗹𝗹𝗼! ✅ Full-Stack & Back-End Developer with 5+ years of experience ✅ Node.js · NestJS · Django/DRF · React · Next.js · TypeScript · PostgreSQL · Docker I build reliable, scalable web applications — from clean REST APIs and microservices to full-stack products with polished frontends. I work across the entire stack and take ownership of infrastructure too. ⚡️ 𝗪𝗵𝗮𝘁 𝗜 𝗰𝗮𝗻 𝗱𝗼 𝗳𝗼𝗿 𝘆𝗼𝘂: + Build or extend back-end APIs (NestJS, Express, Django/DRF) + Develop full-stack web applications (React, Next.js + Node.js/Django) + Set up and manage server infrastructure (Docker, VPS, Nginx, CI/CD) + Integrate third-party services and payment systems + Improve and refactor existing codebases 𝗖𝗼𝗺𝗽𝗲𝘁𝗲𝗻𝗰𝗶𝗲𝘀: ⚒️ Back-End: NestJS, Express.js, Django/DRF, Node.js, TypeScript, GraphQL, WebSockets, Celery (Beat & Worker), Redis, JWT, AWS Cognito ⚒️ Front-End: React, Next.js (SSR/SSG), Redux, Zustand, D3.js, Chart.js, styled-components, Material UI, Ant Design, SCSS/SASS ⚒️ Databases: PostgreSQL, MySQL, MongoDB, Supabase — TypeORM, Prisma, Sequelize ⚒️ DevOps & Infrastructure: Docker, Docker Compose, Nginx, PM2, GitHub Actions, GitLab CI, VPS setup & management, SSH, DNS, SSL certificates, Cloudflare ⚒️ Cloud & Storage: AWS (S3, EC2), Cloudflare R2, Firebase, Supabase, GoDaddy ⚒️ Monitoring: Sentry ⚒️ Third-Party Integrations: ❇️ Payments: Stripe, Monobank, PayPal, Webhook solutions ❇️ Messaging: SendGrid, Mailjet ❇️ Documents: PandaDoc ❇️ CMS: Strapi, Contentful ❇️ Auth: AWS Cognito, JWT, OAuth2 ❇️ AI: OpenAI API ❇️ Other: AWS Amplify, Firebase On the back end, I build production-grade REST APIs and microservices using NestJS (TypeORM, PostgreSQL, WebSockets, GraphQL, Redis) and Django/DRF (PostgreSQL, Celery for async tasks, background workers). I focus on clean architecture, performance, and maintainability — whether it's a greenfield project or extending an existing codebase. On the front end, I build responsive, performant UIs with React and Next.js — covering SSR/SSG, state management (Redux, Zustand), and third-party API integrations. For infrastructure, I handle the full DevOps cycle: Docker containerization, CI/CD pipelines (GitHub Actions, GitLab CI), Nginx reverse proxy with SSL, VPS provisioning, and cloud storage with AWS S3 or Cloudflare R2. I take pride in clear communication, clean code, and delivering work I'd be happy to put my name on. Looking forward to hearing from you! I'm ready to start 𝗔𝗦𝗔𝗣 🔥

I am a Certified Full Stack Developer with expertise in React, Node.js, Next.js, AWS, SQL, and NoSQL databases. I specialize in building fast, secure, and scalable web applications that deliver real business value. With strong experience across both front-end and back-end development, I focus on writing clean, maintainable code, optimizing performance, and ensuring seamless deployment on the cloud. My goal is to provide reliable, high-quality solutions that help clients turn their ideas into successful digital products.

Python Full Stack Developer who steps in where products stall - fixing broken ownership, tightening architecture, and turning messy delivery into a system that actually ships 10+ years in web product development, I now lead UASOFTDEV as CTO & Co-Founder, building and scaling teams of senior Ukrainian engineers who can integrate fast and take real technical responsibility from day one. If your product is slowed down by handoff gaps, weak architecture, or fragmented ownership, I help turn it into a clear delivery process with strong technical control My strongest core role is a python developer for backend-heavy products, with additional experience in C# .NET when projects require enterprise-grade backend logic. When the scope expands, I work as a full stack developer with end-to-end ownership, or as a web developer focused on scalable execution. 📌 What I typically cover Web and Mobile Development backed by 10+ years of product work, supported by a python full stack developer approach when APIs and UI must evolve together Full-Stack Development aligned into 1 clear delivery flow, shaped through python full stack thinking for faster releases and fewer handoff gaps E-commerce Web Development across 3 core layers - business logic, integrations, and user flows - delivered with full stack python experience API development and Integration for internal platforms and 3rd-party systems, handled in a full stack developer python role when architecture must stay practical ⚙️ My current capability set covers React with JavaScript, Next.js, Nest.js and TypeScript, plus Vue.js and Angular. On the backend, I work with Node.js, laravel, python, Django, Flask, .NET, C++, Go, Ruby on Rails and Java. Mobile and cloud delivery includes iOS, Android, flutter, React Native, AWS, Azure, GCP, Docker, Kubernetes, and openstack. I also support CMS and platform work through wordpress, Drupal, Symfony, Magento and Shopify. 🛠️ Delivery across product layers Lean API products often benefit from a python full stack developer flask setup User-facing systems need a full stack web developer mindset when flow affects adoption Interface-heavy platforms grow faster with a full stack developer react profile Cross-layer execution works well in a full stack developer react python environment System reliability improves early with a backend python developer focus 🤖 I build AI features for real workflows, not for demo value alone. In that context, I work as a python ai developer on assistants, automation and internal tools. My python ai work is strongest where adoption matters, and clients also bring me in as an ai developer or ai software developer when implementation must connect product, backend, and rollout. 🧠 AI, frontend, and product execution ✔️Practical ai machine learning features tied to support, search, and operations ✔️Applied machine learning developer work when smart functionality must fit an existing product ✔️Business-facing machine learning integrations designed for measurable value ✔️Custom chatbot systems built with react python flows and fastapi services ✔️Scalable UI delivery as a react developer with clean html front end execution and thoughtful app design ☁️ I stay close to architecture because strong delivery depends on clear ownership. That is why I regularly handle back end development, step in as a backend developer when technical decisions affect release quality, and support python devops workflows across cloud and deployment planning. 🔧 Collaboration and adjacent exposure In a startup, delivery often means working beside a data scientist, then translating that work with a product manager into usable features. Release quality improves when a qa analyst joins early, especially in products shaped by compliance. Some founders also involve me as a startup consultant before code begins. ✔️Broader platform exposure includes sharepoint workflows, material ui dashboards, payment gateway implementation ✔️Cross-team delivery has also touched full stack java environments and adjacent java devops processes. ✔️Finance-related work has included trading python flows, algorithmic trading logic, binance integrations, and tools built for a trader. ✔️Adjacent product contexts have involved data entry operations, support for a journalist workflow, technical resume writing solutions, selected dall-e use cases, prototype work around crypto bot ideas, and tools requested by gaming developers. ✔️Growth-focused engagements may also involve a seo specialist, a practical it consultant, or teams building in marketing saas. 🌍 My domain expertise includes AI Startups, Data Analytics, Healthcare, Fintech, E-commerce agencies, IT Consulting/Softdev companies, Real Estate, Non-Profit, Blockchain and Gambling 🤝 If you need senior technical ownership Python Full Stack Developer, fast ramp-up and delivery that stays aligned with business goals, let’s talk."

Top Rated Full-Stack Developer with a 100% Job Success Score. I build production-grade web apps, cross-platform mobile apps, and AI-powered tools that ship to real users, not just demos that die in staging. Where I help clients most: → Full-stack web apps — React, Next.js, Node.js/NestJS, Django, FastAPI. From dashboard-heavy SaaS to customer-facing storefronts and internal tools. → AI integration — RAG pipelines, context-aware chatbots, and LLM workflows that actually work in production. I've integrated OpenAI, Claude, Gemini, and local open-source models. Vector stores: Pinecone, Qdrant, Weaviate, Supabase Vector, pgvector. → Automation & bots — Telegram bots, web scrapers, and custom internal tools that replace manual work. Python + TypeScript. → Mobile — React Native and Flutter apps backed by real APIs, not templates. My stack: - Frontend: React, Next.js, React Native, Flutter, TypeScript - Backend: Node.js, Express, NestJS, Django, Flask, FastAPI, Laravel - AI: LangChain, LangGraph, LlamaIndex, OpenAI, Claude, Gemini - Databases: PostgreSQL, MongoDB, MySQL, Supabase, Firebase, Prisma, Sequelize - APIs & Infra: REST, GraphQL, WebSockets, microservices How I work: Clear async updates, questions before code, and zero ghosting. I'd rather spend 20 minutes scoping properly than 20 hours building the wrong thing. Comfortable in Agile teams and handling end-to-end ownership solo. If you're starting a new build or inheriting legacy code that needs rescuing, let's jump on a quick call and see if we're a fit.