Hey, Hiring Manager ! I am software engineer with 12 years experience. AI Developer | React, Node | SaaS & AI-Powered Apps | Expert in AI chatbot, AI-integration, AI Agents, AI Automation | Pro in modern AI practices My services: 🎨 AI Architecture Design 🚀 AI Development (Agents, Platforms, Products) 🔍 AI Commercialization Advising 🤖 AI Strategy for Market Trends and Insights How I can help: 💼 Identify your best AI opportunities in your business or market 🧠 Design and build your custom AI (agent, platform, product) 💸 Launch your AI to maximize profit & impact 🛍️ eCommerce & Retail AI Shopify-integrated AI pipeline Dynamic product recommendation systems AI-powered sales & support automation 📊 AI Analytics & Insights Personalized recommendation engines AI-driven dashboards & business forecasting Automated reporting with natural-language summaries 💼 Custom AI Use-Cases Legal AI document intelligence (RAG-based) AI content & script generators for marketing Healthcare marketplaces with smart matching I have a deep system approach and able to solve your needs in the most effective way. I bring a great value to my clients working on advanced tasks or rapidly making app from scratch. Efficient communication, possibility to look at project from business side and proactive position is my extra power. Let’s turn your idea into a scalable, intelligent, and ROI-driven web app. Message me today on Upwork. I’ll help you build a product that scales, delights users, and grows revenue. Looking forward to a win-win and long-term partnership. Thanks, Mansi

✔ [ Java ] [ Golang Go ] [Python][ API development ] [ Microservices ] [ REST ] [ gRPC ] ✔ [ iText ] [ POI ] [ JAXB ] [ XJC ] [ XPath ] [ Jackson ] [ mapstruct ] [ RMI ] ✔ [ Struts ] [ Spring ] [ DATA ] [ BOOT ] [ MVC ] [ Batch ] [ SAML ] [ Security ] [ Netty ] [ LightStreamer ] ✔ [ AngularJS ] [ Angular ] [ JavaScript ] [ jQuery ] [ HTML5 ] [ SocketIO ] [ SVG ] [ JSP ] ✔ [ Redis ] [ SQL ] [ MongoDB ] [ MySQL ] [ GraphQL ] [ Hibernate ] ✔ [ Docker ] [ NGINX] [ Apache ] [ Tomcat ] [ Jetty ] [ Server administration ] [ Load Balancing ] [ *NIX ] [ Security ] [ Networking ] [ Cloud ] [ Consul ] [ proftpd ] [ wekan ] [ gogh ] [ rocketchat ] ✔ [ AJAX ] [ JSON ] [ cURL ] [ Graph API ] [ Oauth 2.0 ] [ OOP ] [ UX/UI ] ✔ [ Jenkins ] [ Mockito ] [ Junit ] [ Selenium ] [ Junit ] [ Ganymed-ssh ] [ Quartz ] ✔ [ RabbitMQ ] [ ActiveMQ ] ✔ [ Android native ] ✔ [ Smart Contracts ] [ DApps ] [ Ethereum ] [ EOS ] [ ERC20 ] [ ERC721 ] [ Web3 ] [ MetaMask ] [ oraclize ] ✔ [information security] [iso 27001]

I am a full-stack developer and have got five years of professional experience. In my short career so far, I have been lucky enough to get opportunities to work on multiple technologies. My core expertise is in Web Development, Hybrid Mobile Application Development, and Game Development. Technology stack I have worked in so far. Mean: Mongo, Express, angular node.js, passport, JWT, webpack. Python: Python, Django, UWSGI, GUNICORN, Flask, Django-rest-framework, Celery, RabbitMQ, Tornado. Shopify: (Theme customization/development, custom functionality, app integrations, store designs) Front-end technologies: Bootstrap, JQuery, SPA (AngularJS, ReactJS, VueJS) Hybrid Mobile Applicaiton: Ionic & Ionic 2, Angular.js 1 and Angular.js 2, Apache/Cordova, Phonegap, gulp, webpack. Node: Node.js (Express / Meteor) Databases: (Mongo, PostgreSQL, Mysql, Redis) CSS: Twitter Bootstrap, Foundation, CSS 3 Hosting: Amazon EC2 instance, Amazon Elasticbeanstalk, AWS Load Balancer, AWS auto-scaling, s3 bucket (static websites), Heroku, Docker and Docker Compose. Web Servers: Apache, Nginx Game Development: Unity3d (It is my hobby, and I have created 3 to 4 games to generate passive income from ads.) I am a quick learner, and I can solve problems related to computers, programming, and mathematics. I believe that communication is the critical tool that plays a vital role in any successful project; that is why I put a lot of stress on getting requirements straight from my clients. I always try to provide my clients with efficient yet straightforward solutions that best satisfy their needs.

Reliable, detail-oriented Frontend Developer I bring a strong work ethic and deliver every project on time with precision. Skills: HTML (Pug, Slim), CSS (SCSS), JavaScript (Vanilla, jQuery, CoffeeScript), React.js, Next.js, Gatsby, responsive design. Experience with Python, Ruby, PHP, Perl, Backendless. Tools: Webpack, Git (GitHub/GitLab/Bitbucket), Gulp, Figma, Trello, Jira, Slack, Zoom, Webex. Clean code, smooth communication, and user-friendly results—every time. Got a great and complicated design? I’ll turn it into a flawless, responsive interface.

- Upwork Skill Certification - Javascript Front-End Developper A proficient front-end developer specializing in ReactJS, responsive web design, and JavaScript applications. I have successfully developed performant web applications for high-traffic platforms and redesigned landing pages enhancing user conversion rates. My work includes building onboarding websites, implementing RESTful API integrations, and optimizing code for performance. Core skills include React, HTML5, CSS3, and modern JavaScript frameworks, applied to create seamless user experiences and robust interfaces

I will help elevate your business to new revenue levels as a Top Rated Software Engineer 💻 with over half a decade of experience in Web Development. I have worked for companies of different sizes, starting from small outsourcing companies at the beginning of my career to the leading companies in 🇺🇦 in the middle and, finally, with big startups from the 🇺🇸 with over 💲100M+ yearly revenues. This gives me an understanding of the major pitfalls and problems when developing software of different sizes. Here are some more facts about me: ✔️ Successfully led a team of developers for over three years. ✔️ Have a Master's degree in System Analysis 📊 (computer science discipline), which helps me to understand complex problems with all their edge cases, which in turn helps to solve them faster and better. ✔️ Very attentive to my work. Each defect should be removed, and each detail should be considered. ✔️ Communicate flawlessly and respond quickly 🚀. My services include the following: ✅ Development of the SaaS platforms. ✅ Development of the Micro-Services. ✅ Development of the Analytical Portals. ✅ FullStack development of complex web-based systems. ✅ API Development and Integration. ✅ Deploying services on cloud platforms. ✅ Maintaining existing codebases. I am working with the most popular and powerful technologies in the field: 🔥 Node.js, Express.js, Nest.js, Fastify.js, Loopback 4, etc. 🔥 React.js, Next.js, Angular.js, Vue.js, Meteor.js etc. 🔥 JavaScript, TypeScript, and Python. 🔥 Queues and messaging: Apache Kafka, RabbitMQ, AWS SQS, and BullMQ. 🔥 Amazon Web Services: ElasticBeanstalk, EC2, RDS, S3, Lambda, ECS, EKS, SQS, SES, and others. 🔥 Other cloud platforms, including Google Cloud Platform. Azure, and others. 🔥 Relational databases such as PostgreSQL, MySQL, and others. 🔥 Non-relational databases such as MongoDB, Redis, and others. Throughout my career, I have integrated many external APIs, such as: 📌 Financial APIs, including QuickBooks, Xero, Wave, and Revel. 📌 Payment Gateways, including Stripe and PayPal. 📌 Google Services' APIs, including Spreadsheet, Drive, and YouTube. Ready to face new challenges and discuss details on the call. Send me an invitation 📨 and let's bring your idea into reality 🌠 using my expertise and experience. UPD: I am in a safe place with a stable internet connection and electricity. The current situation in Ukraine does not disturb me from my job. Moreover, I am more motivated than ever because I understand the responsibility I hold before my nation and economy. Therefore, I am deeply encouraged and focused on succeeding with new opportunities and growing my business to maintain Ukraine's economic stability.

🏆 Top 5% of UpWork software engineers based on React skills. 🏆 Top 10% of talents overall. I have more than 7 years of experience in developing web applications. I am also well experienced in React and React Native and have worked with many clients on architecting, designing and implementing hybrid mobile Applications. My area of focus consist of: - PHP 7.1+ - Laravel Framework 5.0+, - React.js / React Native ( + Redux ) - Vue.js ( + VueX ) - Angular.js - TypeScript - Node.js - Meteor.js, - Adonis.js framework 4.0+ - Relational Database (SQL) and Non-Relational (NoSQL) - Deploying cloud architectures to AWS & GCP - From Sketch/Photoshop design to front-end mockup code - HTML5 - CSS3

I am an expert full stack web application developer and have a thorough knowledge of JavaScript frameworks, MEAN Stack (MongoDB, Express.js, Angular.js, NodeJS), MERN Stack (MongoDB, ExpressJS, React.js, Node.js), LAMP Stack (Linux, Apache, MySQL, PHP) development. What I Can Do for You: ✔️ Build large-scale applications in MERN, MEAN, and LAMP stacks. ✔️ Develop quality Minimum Viable Products (MVPs) for startups. ✔️ Create modern Progressive Web Apps (PWAs) for superior mobile experiences. ✔️ Design SEO-friendly, fast, and scalable applications with Next.js (SSR, SWR, Incremental Static Regeneration). ✔️ Develop e-commerce platforms and e-portals (Job, support, etc.). ✔️ Fix bugs in existing applications. ✔️ Integrate payment, SMS, and email systems. ✔️ Design beautiful email templates, web pages, and professional landing pages. ✔️ I integrate third-party APIs (Google/Facebook OAuth, Maps, YouTube API). ✔️ Handle development, testing, deployment, and maintenance of scalable applications. ✔️ Set up and manage cloud servers, DNS records, Apache, and Nginx HTTP servers. ✔️ Azure cloud setup: Virtual machines, SQL databases, and serverless applications. My Core Strengths: 🔸ReactJS, Node.js, MongoDB, SQL, MySQL, AngularJS 🔸D3.js, DC.js, Meteor.js, TypeScript, JavaScript 🔸Angular (8, 9, 10), ExpressJS, BackboneJS Offered Services: ✔️ Enterprise Solutions ✔️ Website Development & Design ✔️ Mobile App Development ✔️ Web Application Development ✔️ UI/UX Design ✔️ Content Management Systems (CMS) ✔️ E-Commerce Development & Solutions ✔️ Cloud Solutions (AWS & Azure) Recent Work with WooCommerce: 🔸Custom Checkout and API integrations 🔸Fancy Product Designer plugin 🔸Membership and subscription solutions (Memberpress) 🔸Various payment gateway integrations (NMI, Stripe, QuickBooks, Worldpay, Payme) 🔸Booking plugins and product customizers 🔸Multivendor plugins (Dokkan, Yith WC Vendor Pro, WC Marketplace) 🔸Custom shipping and dropshipping solutions 🔸Event Calendar Pro, POS APIs, and more 🟢Availability: Full-time (40-45 hrs/week), working according to Indian Business Hours (GMT+5:30) and available for US/UK/Australian time zones. 🟢Communication: Active on Upwork and email with a 12-hour turnaround time.

Programming is both my hobby and my job, so I enjoy working on challenging projects. For the past 7 years I've been working as a software developer growing my skills increasingly. I've got plenty of experience in different fields and technologies. My key skills are: - JavaScript (browser based web app, server-side with NodeJS) - Native iOS apps - Browser extensions for Chrome, Firefox, Safari, Internet Explorer and EDGE - Amazon Web Services (EC2, Lambda) Also I have strong knowledges in: C++, network and socket programming (VPN, Proxy), multi-threading, WinAPI.

I am an expert in web application development and have a thorough knowledge of JavaScript frameworks, MEAN Stack (MongoDB, Express.js, Angular.js, Node.JS) and MERN Stack (MongoDB, ExpressJS, React.js, Node.js) development. In addition to this I am well versed with Laravel MVC framework, PHP, MySql. I've been working with DevOps and Cloud solutions such as Gitlab CI, Kubernetes, Docker, AWS, Azure, Heroku which has helped in developing and maintaining large scale back end extensive applications. My Strength also lies in blockchain and I have developed dAPPS, Wallets, Web3, ICO's, Crypto Gaming Apps etc 🌐DOMAIN EXPERTISE: • Social Networking Apps • Fleet Management • Day Care Management • Blockchain ICO • Taxi Apps • Chat & Dating Apps • Shopping Apps • Health & Fitness Apps • Food & Drink Apps • Photo Editing & Sharing Apps • Travel Apps • Music & Video Player Apps • Quiz & Poker Games • Wordpress, Laravel. Magento, NoSQL, MongoDB etc 💪 My Core Strengths: - Node.js - AngularJS - AWS - Lambda - Docker - Kubernetes - D3.JS - DC.JS - Meteor.js - Angular7 - Angular8 - React.JS - ExpressJS - BackboneJS - MongoDB 💪 With the growing power of Blockchain I have gained proficiency in: - Ethereum - Smart Contracts - Dapp - ICO - Cryptocurrency Wallet - Solidity - Metamask - Digital Assets - Stellar Blockchain - Steem Blockchain - Bigchain DB - MIST I also possess a great command in Front end and data visualization JavaScript frameworks like Angular.js, React.js, Vue.js, Chart.js and D3.js. I focus on human centric design, great user experiences and interfaces for achieving a streamlined user flow. To achieve this I use Bootstrap which is a sleek, intuitive powerful HTML, CSS, and JavaScript front-end framework that incorporates ease and speed into developing Responsive websites. 💡 Offered Services : - Enterprise Solutions - Website Development & Design - Mobile App Development - Web Application Development - Blockchain Development - UI/UX - Content Management System (CMS) - E-Commerce Development/E-commerce Solutions - Cloud Solutions (AWS & Azure) Availability: I am available full time i.e. 40-45 hrs/week and work according to Indian Business Hours(GMT+ 5:30)and readily available on US/UK/Australian time zone for project discussion. Communication: I am active on Upwork, Sk-ype and Email with a turnaround time of 12 hrs.