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Working in the IT sector for more than 10 years. With over 10 -years of freelancing and professional experience taught me all kinds of frameworks and languages, ranging from React, Angular, Vue, Node js, Express js, React Native, Redux, Rx JS, JavaScript, Typescript, WordPress, PHP, MySQL, MongoDB, Firebase, Sqlite, Postgresql, ES5+, Python3, Machine Learning, Deep Learning, RNN, CNN, Android Java/Kotlin, iOS Swift/SwiftUI, C/C#/C++, .Net, Assembly, VBA, VB, Excel Macro, Java, Spring Boot Micro-services, Zoho, Salesforce, Hubspot, R, Shiny, STATA, MATLAB, Google Sheet, App Script, Bubble io, etc. Over my long career, I have come across all kinds of challenges and gained vast experience with different kinds of industries like portals, medical industry, perception exercise, employee management, etc. I have good experience with frontend development using React JS along with Typescript, Firebase, GraphQL, React Native, Native Script, React, Material UI, Ionic, Node.js, Web Sockets, and real-time communication. I have also worked on containerization technologies like Kubernetes, Docker, AWS, GCP, Azure etc. I am very good with backend technologies as well like Java Spring boot, Microservices, MySQL, Postgres, Elasticsearch, AWS/Google integration. Please contact me to get the result done in a professional way.
*AI-Powered Developer (Web & Mobile & Software & Embed devices)* AI Integrate | AI Agents | Generative AI *Need a boost in your skills or results?* *Read my profile before hiring.* I bring expertise in delivering high-quality projects and results using a wide range of technologies and tools: - *AI Integrate and Machine Learning* ChatGPT, Gemini, Claude Integrating AI models(LLM, NLP, CV) Auto-GPT, BabyAGI, SuperAGI Zapier AI, Rewind AI, Otter.ai Machine Learning, CNN, Keras, LSTM, PyTorch, Tensorflow, Computer Vision, sci-kit - *AI-Driven Frontend* React.js, Next.js, Bootstrap, Javascript, Typescript, MUI, TailwindCSS - *Backend & API & AI agents* Node.js, Express.js, Django, Flask, Ruby on Rails, ASP.NET, FastAPI, and GraphQL. - *AI-Powered Mobile Development* Swift (iOS), Java/Kotlin(Android), Dart (Flutter), React Native, Ionic AR / VR, Unity - *General Purpose Languages*: Python (Pandas, NumPy) C/C++, Java, R, Assembly, MATLAB, Rust, Go - *Scripting and Automation*: Shell scripting (Bash), PowerShell, Lua, and Tcl. - *Database Management*: MySQL, PostgreSQL, MongoDB, SQLite, Firebase, MariaDB, Redis, and Cassandra. - *Software*: C#, Asp.net - *DevOps & Cloud*: Docker, Kubernetes, Jenkins, Terraform, Ansible, AWS (EC2, Lambda, S3, DynamoDB), Azure, and Google Cloud Platform (GCP). - *Tools & Platforms*: LaTeX, Excel (advanced functions, VBA), Jupyter Notebooks, Power BI, MS Power Automate, Tableau, and Elasticsearch. - *Miscellaneous Skills*: - *Automation*: Selenium, Beautiful Soup, Puppeteer. - *Data Analysis & Visualization*: Matplotlib, Seaborn, D3.js. - *Version Control & Collaboration*: Git, GitHub, GitLab, Bitbucket. - *Software Development Methodologies*: Agile/Scrum, Test-Driven Development (TDD). I can assist you with: - Adding *extra hands* to your team to speed up development. - *Reviewing, debugging, and optimizing* your code for performance and maintainability. - *Collecting, analyzing, and visualizing data* to build insightful reports, presentations, and dashboards. My ultimate goal is to *over-deliver* and ensure you're 100% satisfied with the results. If my profile resonates with your needs, feel free to send me a message. Let's bring your project to the next level together!
Experienced software architect and developer with over a decade of expertise in building cloud-based applications. I specialize in web development, creating scalable, high-performance solutions, and have extensive experience in machine learning, including developing predictive models and integrating AI features to enhance applications. Proficient across the full software development lifecycle, I excel at understanding complex codebases, addressing bugs, refactoring for performance, and implementing new features to meet evolving requirements. Committed to Object-Oriented Programming principles and design patterns, I ensure code is clean, maintainable, and scalable. I focus on delivering well-tested, reliable solutions that support long-term success. My expertise in machine learning enables data-driven decision-making, while my .NET skills meet demanding technical requirements. I thrive in collaborative environments, valuing open communication and innovative problem-solving. Driven by a passion for technical excellence, I consistently deliver solutions that align with user needs and business goals.
I'm an expert software engineer and I handle application development with PHP (Laravel), Dart (Flutter), Golang, Javascript (VueJs & ReactJs, Nodejs), and Typescript. Github: [github.com/omept](https://github.com/omept) LinkedIn: [linkedIn.com/in/george-onwuasoanya](https://linkedin.com/in/george-onwuasoanya)
🏅TOP-RATED ⭐ 5-star service ✅ Upwork verified 👍🏼100% client satisfaction 4+ years of Mobile App development experience and more than 15 high-quality apps delivered for iOS, Android, and the Web. ➥ Services Offered: • Full Stack development for Android, and iOS using Flutter & FlutterFlow • Rapid Prototyping and MVP Development • User Interface & User Experience Design (UI/UX) • App Deployment and Publishing Assistance • App performance optimization I began my career developing native apps such as Todo lists, note-taking tools, and chat applications like WhatsApp. After discovering Flutter, I was intrigued by its ability to streamline Android and iOS development into a single codebase. Over time, my interest in Flutter grew, leading me to explore FlutterFlow for developing apps with low-code solutions. For the past 4 years, I have dedicated myself to mastering Flutter and FlutterFlow, consistently delivering exceptional applications. I'd love to learn about your project and see if we can be a great fit. Let’s transform your app ideas into reality together!
A senior web / mobile developer 10+ years of experience in all phases of the SCRUM Software Development Life Cycle model including Requirement Analysis, UX Design, Development, Testing, Deployment, and Maintenance, provides ➤ Deliver clean and high-quality code ➤ Support and maintenance with a quick turnaround time ➤ Daily, weekly, monthly detailed SCRUM reports ➤ Excellent communication with fluent English ➤ 24x7 online & availability to work in a different timezone ⭐ My Skills ⭐ ➤ Front-end: ReactJS (Redux, ES6) | VueJS (Vue, Vuex, NextJS) | AngualrJS ➤ Back-end: PHP (Laravel, Codeigniter, CakePHP, YII) | Python (Django, Flask) | NodeJS (ExpressJs, SailsJS, [Socket.io](http://socket.io/), Selenium) | Ruby (RoR) | Java (Spring) | [ASP.NET](http://asp.net/) (Core) | Go | Erlang | Scala ➤ Mobile: Native App (Android - Java, Kotlin | iOS - Swift, Objective C) | Hybrid App (React Native, Flutter, Ionic, Phonegap, Xamarin) ➤ Desktop: C++ | .NET (Windows Form, WPF, DevExpress) ➤ Game: Unity 3D | Unreal ➤ eCommerce: Shopify | Magento | Prestashop | OpenCart | WooCommerce ➤ CMS: WordPress | Joomla | Drupal | DNN | Wix ➤ Database: MySQL | MS SQL | Oracle | MongoDB | Redis | SQLite Expertise: ➤ Social Network Web / App ➤ Dating Web / App ➤ Food delivery Web / App ➤ Taxi Booking Web / Apps ➤ Travel & Entertainment Web / App ➤ Real Estimate Web / App ➤ Online Music Web / App ➤ Online Education Web / App ➤ Image & Video Editing Web / App You can expect: ➤ Quality of Deliverables ➤ Very Quick Response ➤ Free Consultation and Support My workflow: ➤ Collect, Analyze and Research Requirements ➤ Wireframe and Prototype ➤ Design ➤ Development ➤ QA and Test ➤ Maintenance and Support
*** Featured Codementor of the week for Feb 2025 *** *** Featured Codementor of the week for Jan 2023 *** *** Featured Codementor of the week for Dec & Nov 2022 *** *** Featured Codementor of the week for Sept 2021 *** *** Full refund in case I am unable to solve your problem. You may choose to pay $5 for effort/time invested. *** • Passionate About Computer Science And Technology and any problem that can be solved with technology. • Be it debugging any error you have been facing for hours or some config issue or general help on code, i can be your tech guy and mentor. • Sold knowledge of No Code and Automation tools such as Zapier, Make (Integromat), etc. • Good knowledge of CRM tools such as Hubspot, Zoho and more ======================== For Live 1:1 sessions with me: Full refund in case I am unable to solve your problem. You may choose to pay $5 for effort/time invested I would help you learn the concepts and enable you to do assignments yourself. ============================ Freelance work: The cost of freelance work is difficult to estimate based on one-liners. If you don't have a detailed requirement specification I am not interested in taking it up as freelance work. However, we can have a paid session where I help you draft one, after which I may be interested.
Working on new ventures makes me happy! I have experience working at a hedge fund and other fintech organizations, which had similar concerns - would love to further discuss the role with you. With a strong engineering foundation I apply knowledge, tools and experience to create fit-for-purpose technical architectures. With a strong knack for entrepreneurship I can confidently manage needs in both business and technology. 10+ years of experience bringing new products and applications to life, leading teams from the front. I do my best work when I am challenged to create structure from uncertainty and I don't break under pressure. The values that characterize my work are: efficiency, mutual trust, expertise.
I have been in this industry for 10+ years with consistent knowledge in developing mobile apps and website with expertise at: - React Native, - Flutter, - ReactJS, Javascript, Typescript, HTML, CSS, JQuery - NodeJS, ExpressJs - PHP/CodeIgniter, Laravel - MYSQL, MongoDB - iOS, Swift, SwiftUI - Android, Java, Kotlin I also have a deep understanding of cloud computing platforms such as AWS, Azure, and Google Cloud. Contact me if you: have a technical issue to solve. want mobile/web application developed from scratch. want me to work on an on-going project. want me to develop a difficult module want me to implement new functionality in an on-going project want me to create or change UI/UX want me to develop a database. My availability: Usually 8 Hours per day and 6 days in a week, but can work for more hours depending on project and client demand. Feel free to ask me anything you may want to know. **FIRST 15 MINS FREE SESSION**
✅ Top 1% Leader in Full Stack Flutter Mobile and Web App Development with Gen AI | 7 Years of Proven Expertise Testimonials: ⭐️⭐️⭐️⭐️⭐️ "Johannes' dedication and development skills are top-notch." ⭐️⭐️⭐️⭐️⭐️ "Johannes consistently exceeds our expectations with outstanding results." ⭐️⭐️⭐️⭐️⭐️ "Johannes' clear communication and punctuality make the process seamless." With over 7 years of experience as a Full Stack Mobile App and Web Developer, I have successfully developed numerous outstanding mobile applications and websites. 🏆 Services Offered: ✓ Mobile Applications (Android, iOS, Flutter, React Native, FlutterFlow) ✓ Generative AI Capabilities (ChatGPT, Gemini, Vertex AI, GenKit and Vector DBs) ✓ Responsive Websites (Flutter, React, WordPress, HTML5, CSS, JavaScript) ✓ Full-Stack Development (Firebase, AWS, NodeJS, etc.) ✓ Database Development (AWS, Firebase, MongoDB, MySQL, Oracle, etc.) ✓ UI/UX Design for Apps & Websites (Figma, Photoshop) 🏆 Mobile App Development: ✓ E-Commerce Apps ✓ Social Media Apps ✓ Fintech Apps ✓ Healthcare Apps ✓ Tourism Apps ✓ Education Apps ✓ Fitness Apps ✓ Booking Apps ✓ Payment Apps(In-App Purchases, Stripe, PayPal, etc.) ✓ Video Streaming Apps ✓ Food Delivery Apps ✓ Dating Apps 🏆 Website Development: ✓ E-Commerce Website ✓ Corporate Websites ✓ Landing Pages ✓ Social Media Websites ✓ Promotional Websites ✓ Catalog Websites ✓ CMS Website Let’s discuss your project! ⚡️ My exceptional communication sets me apart from other developers.
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