Hello, and welcome to my profile. I'm Sheikh Sharjeel, a skilled Full Stack Engineer with over nine years of professional expertise, dedicated to developing a diverse range of web and mobile applications. Recently, I successfully developed a Call Centre Automation platform that generated over $1 million in revenue in its first year. I have a quick learning ability and a keen aptitude for solving challenges. I excel in creating SaaS platforms, Management systems, ERPs, and complex Mobile Applications within reasonable time constraints. My Tech Stack: - Typescript - Node (Nest, Express) - Python (Flask, Django) - GraphQL - React | Next | Vue | Gatsby | Electron - MongoDB | MySQL | DynamoDB | Realm | PostgreSQL | Firestore - AWS | Heroku | Azure - Docker - Gulp | Rollup | Webpack | Vite If you're looking for a Full Stack Engineer who can significantly enhance your project or product, feel free to reach out to me!

⭐ Top Rated Plus, 100% Job Success, and 17 years of software engineering experience. I help SaaS, healthcare, fintech, and automation teams build production-ready AI and full-stack systems. Best fit: AI integrations, RAG systems, internal agents, document processing, backend automation, scalable SaaS architecture, and technical rescue work. I work well with clients who need reliable backend design, clean data flow, secure APIs, cloud deployment, and long-term maintainability. Core areas: - AI, LLM, RAG, agents, chatbot workflows, document processing, and semantic search - React, Next.js, Angular, TypeScript - Node.js, NestJS, Python, FastAPI, Django - PostgreSQL, MongoDB, Redis, Prisma, Elasticsearch/OpenSearch - AWS, Docker, Kubernetes, Terraform, CI/CD - Healthcare SaaS platforms involving EMR/EHR, patient portals, billing workflows, and clinical documentation systems - FinTech, bill pay, banking, payment workflows, and multi-tenant SaaS platforms - SaaS refactoring, backend performance, architecture cleanup, and technical rescue work Relevant experience includes: - Healthcare platforms involving EMR/EHR, patient portals, billing, inventory, and clinical workflow automation - AI-powered clinical documentation and voice-to-text workflows - AI dental application using Next.js, NestJS, FastAPI, PostgreSQL, and LLM integrations - AI-powered property management SaaS with workflow automation and document processing - FinTech and bill pay architecture for multi-tenant platforms - AWS Lambda and ETL pipeline optimization - Redis Oplog and Meteor performance optimization - Document processing AI agents and RAG-based workflows I think like an architect, but I still write code. I care about clean architecture, security, testing, failure handling, and simple communication. I do not build fragile demos. I build systems that can survive real users and be maintained after launch. If your project needs a senior engineer who can understand the product, identify technical risk, and ship reliable software, I can help.

Hey! I'm Huzaifa Shakeel, leading a team specializing in Flutter development. With extensive experience in Flutter, we offer top-notch services for building Android and iOS apps. We’re passionate about staying current with mobile design trends, and we excel in creating high-quality designs from Figma to Flutter. We also integrate seamlessly with your backend, including Firebase and REST Apis. Let’s connect and discuss how we can bring your app idea to life! Knows flutter, React, Node.js, Django, Github Full project management from start to finish 24/7 avalibility

Building a scalable SaaS or enterprise platform requires more than just code. It requires technical ownership, strong architecture, security awareness, and a clear understanding of business logic. As a Python Developer and CTO-level technical partner, I help startups and businesses build secure, scalable, and production-ready web applications. Whether you are launching an MVP, upgrading an existing platform, integrating AI automation, or fixing technical debt, I can handle the full development lifecycle from planning to deployment. I specialize in Python, Django, Django REST Framework, React, Next.js, PostgreSQL, API integrations, SaaS architecture, AI automation, and cybersecurity-focused development. How I Help You Succeed: — Python & Django Development: Secure, scalable backend systems using Django, Django REST Framework, PostgreSQL, and clean API architecture. — SaaS & Enterprise Platforms: MVPs, dashboards, subscriptions, multi-role systems, admin panels, analytics, and scalable business logic. — CTO-Level Technical Ownership: I help with architecture planning, technology decisions, system design, technical audits, and product direction. — AI Automation & Integration: Practical AI features using GPT/LLMs, automation workflows, chatbots, document processing, and smart business tools. — Cybersecurity-Focused Development: Secure authentication, role-based access control, API protection, server hardening, vulnerability awareness, and safer deployment practices. — Modern Frontends: Fast, responsive, and premium user interfaces using React and Next.js. — DevOps & Deployment: VPS, AWS/GCP, Docker, CI/CD pipelines, Nginx, SSL, monitoring, and production deployment support. My Promise: I value clear communication, predictable delivery, and long-term maintainability. You will receive a clear execution plan, regular updates, well-structured code, and a product that is built for real users, not just a development server. Ready to build, secure, or scale your platform? Send me a message or invite me to your job, and let’s discuss your project goals.

Hello, I am Steve ✔️ I am an all rounded, digital solutions creator working with a small, very skilled, IT "seal" team. ✔️ My 100% focus is on building custom web & mobile applications with a bold, outstanding, and articulate design ✔️ I graduated with a Diploma in IT in 2001, a Degree in Computer Science in 2005, and a Master's Degree in Applied Computer Science in 2008 from the University of Maryland ✔️ Since 2011, we have served dozens of small & medium businesses, startups & individuals helping turn their ideas into reality. ✔️ We have successfully completed 3 projects funded by the federal government and done a project for Microsoft ✔️ If you want a reliable, serious, truly commited partner whom you can easily reach, I am here. ✔️ We enjoy what we do & want to keep building a strong reputation as reliable and trustworthy experts in providing technology solutions ✔️ Besides work, I love reading, ice skating, roller skating, traveling and speaking Here is some feedback from Upwork clients like you: ⭐ Stephen's strength is his timely communication. He tries his best to adhere to the specifications and feedback provided along the way and genuinely wants to create the best product and satisfy user needs. It was a very professional and transparent experience working with him. ⭐ Best developer on upwork. Will never use anyone again, This guy is the real deal and the best I've ever worked with ⭐ It was a great work by an Excellent Freelancer! ⭐ Great vision and ability to make sense of non-technical people like me. ⭐Steve did a great job. Working with him is a pleasure and very productive ⭐ I have had problems with some other freelancers in the past, so I posted a portion of a larger project as a test. Stephen amazed me with a flawless deliverable on the first try... ⭐Steve is great! Attentive and got the job done right! ⭐Great communication and quick responses. ⭐ Great Work. Pleasure to work with ⭐ A+++ ⭐Very professional. Great work and service. Thank you. ⭐A+ wirk again Stephen. Thank you ⭐Steve produced great webdesign and is very motivated to understand the clients vision ⭐Steve is a good webdesigner who invests time and energy to find out what the client has in mind for his project. I enjoyed working with him. ⭐Steve works hard and takes pride in his work. He pushes hard when he needs to and made sure we were satisfied with our apps and website work! ⭐Great and trustful freelancer with wonderful design skills. I highly recommend him for any freelance job. Core Expertise: ⚡️UI/UX and Design: Web & Mobile UI Design, HTML5, CSS3, JS, Bootstrap, Responsive design ⚡️Mobile: iOS development, (Swift + Xcode), Android development (Java + Android Studio) ⚡️Development: Custom PHP, Laravel, React, Angular, JQuery Framework, Yii, CodeIgniter, WordPress, Backend Systems ⚡️eCommerce: Custom eCommerce, Shopify, WooCommerce, Apple Pay, Google Pay, Stripe API, PayPal API, Amazon Payments, 2-Checkout, PayU, First Data

I help startups and businesses launch AI-powered mobile apps and MVPs — fast. From idea to App Store, I build scalable full-stack applications using React Native, modern backend systems, AI integrations, subscriptions, and production-ready architecture. Over the past 10+ years, I’ve developed apps used by thousands of users, including Top 20 fitness apps, AI SaaS platforms, event systems, fintech products, and subscription-based mobile applications. I specialise in helping founders: • Launch MVPs quickly • Validate ideas before scaling • Avoid common architecture and performance mistakes • Build apps that are ready for real users and future growth What I can help with: • Full-stack mobile app development • AI-powered applications & SaaS platforms • React Native iOS & Android development • MVP development for startups • Backend/API architecture & development • OpenAI / ChatGPT integrations • Payments & subscriptions (Stripe / RevenueCat / IAPs) • Firebase / Supabase / Node.js backends • App performance optimisation • App Store & Google Play launches Why clients work with me: • 10+ years commercial development experience • End-to-end product delivery • Strong focus on performance, scalability, and maintainability • Full-stack expertise across mobile, backend, and cloud systems • Startup-friendly and fast-moving • Clear communication and reliable delivery If you’re looking for a senior full-stack developer who can help turn your idea into a polished, scalable product — feel free to send me a message.

Accomplished Software Architect and Technology Leader with over 17 years of experience designing and delivering scalable, high-performance software systems across enterprise environments. Proven expertise in cloud-native architecture, distributed systems, DevOps, and microservices, combined with a strong track record of leading cross- functional teams, modernizing infrastructure, and executing complex, business-critical projects. Proficient in Java, Python, Typescript, PHP, cloud services (AWS, GCP), SQL/NoSQL databases, and AI-enabling technologies, with hands-on experience managing cloud infrastructure costs, optimizing resource utilization, and ensuring high availability across global deployments. Adept at leading AI-driven automation initiatives, integrating machine learning platforms (e.g., AWS SageMaker, GCP Vertex AI, Gemini AI), and building intelligent workflows that improve operational efficiency and enable data- informed decision-making. Skilled in driving AI/ML adoption from prototype to production, including the implementation of inference pipelines, RAG pipelines, AI-assisted development tools, and ML-based data extraction solutions. Deeply familiar with modern MLOps practices, including model deployment, monitoring, and scalability within secure and compliant environments. A strategic leader with a passion for innovation, cloud security, and continuous improvement. Experienced in building and mentoring high-performing engineering teams, promoting best practices in Infrastructure as Code (IaC), Zero Trust security models, and observability. Demonstrated success in delivering enterprise-grade solutions across industries, including POS systems, firewall cloud platforms, and AI-enhanced web applications. Driven by a passion for aligning technology with business goals, reducing operational overhead through automation, and delivering measurable value through next-generation infrastructure and intelligent systems.

MSG Sphere/former Disney Studios Innovation Engineer branching out for freelance projects, after casting a vast net of a career with Disney, Activision, Fox, NBC, and many more, creating interactive experiences for in VR, AR, android, iOS, and web. A decade in the advertising and web development sector before this as well, creating interactive experiences (One earning an Emmy nomination), and interactive media advertisements, as well as years in the gaming world, working with numerous gaming platforms such as Unity, Unreal engine, and countless mobile platforms such as cocos2d, phaser, impactjs, construct, and many more. Would love to talk about your project needs and help bring it to life!

I'm a Fractional CTO, AI Engineer and software architect with over 20 years of experience building and growing software platforms. Typical engagements include: - Fractional CTO and technical leadership - Review AI generated codebases and prepare for production release - AI-powered SaaS product development - Completing or rescuing stalled software projects - Converting AI/vibe-coded prototypes (Lovable, Bolt, Replit, Cursor, Claude Code, etc.) into secure, scalable production applications - Technical due diligence and architecture reviews - Modernising legacy applications - Mentoring developers and engineering teams I work with founders, startups and established companies who need an experienced technical partner rather than just another developer. AI is now transforming the way software is built, and I specialise in bridging the gap between rapid AI-generated prototypes and production-quality systems. I regularly review AI-generated code, redesign architecture where needed, improve quality and security, integrate LLMs and AI agents, and help businesses implement practical AI solutions that deliver real value. Alongside consulting, I mentor developers and technical founders on software architecture, modern development practices, AI-assisted engineering, React, Angular, Node.js, TypeScript and cloud technologies. My goal is to help teams become more productive while maintaining high engineering standards. Over the last two decades I've led the design and delivery of SaaS platforms across sectors including healthcare, enterprise software, data analytics, ecommerce, logistics and education. My technical background includes React, Angular, Node.js, TypeScript, MongoDB, PostgreSQL and cloud-native development on AWS and Google Cloud, delivering scalable, secure, multi-tenant platforms from concept through to production. Clients hire me because I combine strategic technical leadership with hands-on delivery. I can help shape the roadmap, challenge assumptions, guide your team, write production code when needed, and ensure your product is built on solid technical foundations that will scale as your business grows.

Ready to launch a million-dollar startup? My AI-Driven Development approach helped 100+ small businesses with 𝐂𝐮𝐭𝐭𝐢𝐧𝐠-𝐞𝐝𝐠𝐞 𝐀𝐈/𝐌𝐋, 𝐁𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧 𝐚𝐧𝐝 𝐀𝐩𝐩𝐬 solutions. Let's turn your online business into a success story. 𝐋𝐞𝐭'𝐬 𝐭𝐚𝐤𝐞 𝐚𝐝𝐯𝐚𝐧𝐭𝐚𝐠𝐞 𝐨𝐟 𝟑𝟎 𝐦𝐢𝐧𝐮𝐭𝐞𝐬 𝐨𝐟 𝐟𝐫𝐞𝐞 𝐜𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐭𝐢𝐨𝐧. 𝐯𝐚𝐥𝐮𝐞𝐝 𝐚𝐭 $500. ➡️ With a top-rated 100% job score and over 12 years of commercial experience, I deliver ✅ 6000+ Working hours ✅ 100+ Successful projects ✅ 120+ Happy clients worldwide ✅ Proven track record of successful projects ✅ High code quality and an agile approach. My clients have achieved significant funding and a 4X their startup success within a few months, from my Cutting-edge strategies in Artificial Intelligence, Blockchain, and Mobile Apps. I can help you achieve similar results using AI/ML, Blockchain, and Mobile Apps. These cutting-edge technologies like AI/ML, Blockchain, and Mobile Apps are the foundation of your ideas, not just additional features. With over 12 years of extensive experience in cutting-edge AI/Blockchain and Mobile App development, I specialized in creating highly efficient, user-friendly, and visually appealing applications. Use our advanced AI Development Services for business growth with the next enterprise solution. AI Development services i know which change for your business growth with next enterprise solutions  ➡️ 𝐁𝐨𝐨𝐬𝐭 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐠𝐫𝐨𝐰𝐭𝐡 𝐰𝐢𝐭𝐡 𝐨𝐮𝐫 𝐀𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐟𝐨𝐫 𝐞𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 - 👉 Artificial Intelligence Development  👉 Expert AI / ML Strategy Consulting 👉 Machine Learning Development 👉 Generative AI Development 👉 OpenAI (ChatGPT-3.5 / 4) 👉 Predictive Analytics 👉 Business Intelligence 👉 Natural Language Processing (NLP) 👉AI Automation / Recommendation 👉 Image Recognition and Computer Vision 👉 Chatbots and Virtual Assistants 👉 Recommendation Systems 👉 Speech Recognition and Voice Assistants 👉 Autonomous Vehicles and Robotics 👉 Sentiment Analysis 👉 Fraud Detection 👉 Personalized Healthcare and Medicine ➡️ 𝐇𝐞𝐫𝐞 𝐚𝐫𝐞 𝐭𝐡𝐞 𝐤𝐞𝐲 𝐩𝐫𝐨𝐜𝐞𝐬𝐬𝐞𝐬 𝐭𝐡𝐚𝐭 𝐞𝐧𝐬𝐮𝐫𝐞 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 𝐬𝐮𝐜𝐜𝐞𝐬𝐬  - 1. Data Collecting 2. Data Preparation 3. Model Training 4. Testing and Validating the Model 5. Model Deployment and Integration 6. Model Monitoring and Maintenance ➡️ Technologies that make me the top 1% ✅ 𝐒𝐤𝐢𝐥𝐥𝐬 - Python,R, Java, C++, JavaScript, Julia, Scala, MATLAB, Swift, Go (Golang), Lisp, Prolog, TensorFlow.js, Keras, PyTorch ✅ 𝐃𝐞𝐯𝐎𝐩𝐬 -  AWS, Google Cloud, Azure,Puppet, Docker, Kubernetes, CI/CD, Ansible, Chef etc.  ✅ 𝐓𝐡𝐢𝐫𝐝-𝐩𝐚𝐫𝐭𝐲 𝐀𝐏𝐈 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 -  Docker, Trello, Jira, CloudFront, GitHub, Gitlab, Spotify, AWS, Google API, AWS bucket, XMPP, Socket IO, ✅ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 -  MongoDB, MariaDB, PostgreSQL, SQLite, Mysql, Oracle, Firebase, Firestore, Elastic search ✅ 𝐏𝐚𝐲𝐦𝐞𝐧𝐭 𝐀𝐏𝐈 - PayPal, Stripe, Square, Adyen, Worldpay, Authorize.Net, PayU, Braintree, 2Checkout, Razorpay ✅ 𝐒𝐌𝐒/𝐄𝐦𝐚𝐢𝐥 𝐀𝐏𝐈 - Twilio SendGrid, Amazon Simple Email Service (SES), Mailchimp, Sendinblue, Mailgun, SMTP.com, ClickSend, Nexmo, MessageBird, Elastic Email ✅ 𝐍𝐨𝐭𝐢𝐟𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 - Push notification, Firebase, OneSignal, Reteno, Pusher, Airship, PushEngageOmnisend. ✅ 𝐋𝐢𝐯𝐞 𝐯𝐢𝐝𝐞𝐨 𝐜𝐨𝐧𝐟𝐞𝐫𝐞𝐧𝐜𝐢𝐧𝐠 𝐚𝐧𝐝 𝐜𝐡𝐚𝐭 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧- Skype, Zoom, Slake, Gotomeeting, Google Meet, Google Hangout, Cisco WebEx ✅ 𝐕𝐞𝐫𝐬𝐢𝐨𝐧 𝐂𝐨𝐧𝐭𝐫𝐨𝐥 - Git, Github, Bit bucket, Apache Subversion, GitLab, Assembla, Fossil, BitKeeper. ✅ 𝐓𝐞𝐬𝐭𝐢𝐧𝐠 & 𝐃𝐞𝐛𝐮𝐠𝐠𝐢𝐧𝐠 -  Selenium, Postman, JUnit, TestNG, Apache JMeter ✅ 𝐔𝐈/𝐔𝐗 𝐃𝐞𝐬𝐢𝐠𝐧 -  Figma, Sketch, Adobe XD, InVision, Axure RP, Adobe Illustrator, Adobe Photoshop ✅ 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲 - Authentication, Authorization, Encryption, Input Validation, Session Management ,Secure Communication (HTTPS), OWASP Mobile Security ➡️ 𝐔𝐧𝐥𝐨𝐜𝐤 𝐀𝐈'𝐬 𝐩𝐨𝐭𝐞𝐧𝐭𝐢𝐚𝐥 𝐚𝐜𝐫𝐨𝐬𝐬 𝐝𝐢𝐯𝐞𝐫𝐬𝐞 𝐢𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬  -  On Demand │Healthcare │ Finance, Restaurant │eCommerce Logistics │Social Media│Game & Sports│Travel, Real Estate Education│Agriculture│Government│News & Entertainment Events│Wellness ➡️ 𝐖𝐡𝐲 𝐈'𝐦 𝐭𝐡𝐞 𝐏𝐞𝐫𝐟𝐞𝐜𝐭 𝐅𝐢𝐭 𝐟𝐨𝐫 𝐘𝐨𝐮𝐫 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐆𝐫𝐨𝐰𝐭𝐡: -  🔸Top-rated 100% job score with 12+ years of commercial experience. 🔸 Successfully completed over 150 projects with 100 + satisfied clients. 🔸 Accumulated over 5000 hours on Upwork with consistent 5-star ratings. 🔸 Well Commented & Agile Approach into code level. 🔸 Let's take advantages of 30 Min Free Consulting ? 🔸 Demonstrated strong problem-solving abilities. 🔸 Maintain effective communication throughout projects. 𝐋𝐞𝐭'𝐬 𝐭𝐚𝐤𝐞 𝐚𝐝𝐯𝐚𝐧𝐭𝐚𝐠𝐞 𝐨𝐟 𝐨𝐮𝐫 30-𝐦𝐢𝐧𝐮𝐭𝐞 𝐟𝐫𝐞𝐞 𝐜𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐭𝐢𝐨𝐧, 𝐯𝐚𝐥𝐮𝐞𝐝 𝐚𝐭 $500. 𝐃𝐨𝐧'𝐭 𝐦𝐢𝐬𝐬 𝐨𝐮𝐭—𝐰𝐡𝐚𝐭'𝐬 𝐡𝐨𝐥𝐝𝐢𝐧𝐠 𝐲𝐨𝐮 𝐛𝐚𝐜𝐤?