React & React Native Developer | Web, Mobile & Full-Stack Development
I’m a Full-Stack, Front-End, and Mobile Developer with 7+ years of professional experience building and maintaining web and mobile applications. I specialize in JavaScript, React, React Native, and PHP, with hands-on experience developing cross-platform applications for iOS and Android as well as backend systems and REST APIs.
Front-End Development
JavaScript
React.js
HTML5 & CSS3
Responsive Web Development
REST API integration
Firebase integration
Mobile Development
React Native
iOS & Android development
Cross-platform application development
Native iOS integration with Swift
Capacitor
Native modules and platform-specific functionality
Backend & API Development
PHP
Yii 2
REST APIs
MySQL
Backend integration and API development
AI & AI Agents
AI feature integration
AI agent development and integration
Connecting AI models with applications and APIs
Building AI-powered workflows and automation
Integrating AI capabilities into web and mobile applications
Tools & Technologies
Git / GitHub / Bitbucket
Jira / Trello
VS Code
Postman
Xcode
Android Studio
React Native
JavaScript
React
PHP
Claude
Yii
MySQL Programming
Mobile App
Android
iOS
npm
Google APIs
API
Firebase
Web Development
Semen P.
Yerevan, Armenia
$25/hr
5.0
8 jobs
𝟏𝟎 𝐲𝐞𝐚𝐫𝐬. 𝟏𝟓𝟎 𝐣𝐨𝐛𝐬. 𝟓 𝐬𝐭𝐚𝐫𝐬. 𝟑,𝟎𝟎𝟎+ 𝐡𝐨𝐮𝐫𝐬 𝐨𝐧 𝐥𝐨𝐧𝐠-𝐭𝐞𝐫𝐦 𝐜𝐨𝐧𝐭𝐫𝐚𝐜𝐭𝐬.
🔥 𝐅𝐑𝐄𝐄 𝐝𝐢𝐬𝐜𝐨𝐯𝐞𝐫𝐲 𝐜𝐚𝐥𝐥 for new projects. 𝐅𝐑𝐄𝐄 𝐜𝐨𝐝𝐞 𝐫𝐞𝐯𝐢𝐞𝐰 for existing ones.
𝟐-𝐰𝐞𝐞𝐤 𝐭𝐫𝐢𝐚𝐥 - not happy, you pay nothing. 𝟔-𝐦𝐨𝐧𝐭𝐡 𝐜𝐨𝐝𝐞 𝐰𝐚𝐫𝐫𝐚𝐧𝐭𝐲 included 🔥
As a founder and lead engineer at Cortexiva, I personally review the architecture and delivery of every project.
🔥 We build production-ready web products end to end:
- React and Next.js frontends with clean, responsive interfaces
- Node.js or Python backends with scalable business logic
- Authentication, roles, subscriptions, dashboards and API integrations
- PostgreSQL, MongoDB, AWS, Docker and CI/CD
- OpenAI, RAG and AI automation built into existing or new products
🔥 𝐒𝐄𝐋𝐄𝐂𝐓𝐄𝐃 𝐏𝐑𝐎𝐉𝐄𝐂𝐓𝐒:
- AcellusHealth - Full-cycle healthcare platform with multi-role workflows. React, Django, PostgreSQL, AWS.
- Inkeep - AI knowledge assistant with RAG and source-cited responses. Next.js 12 to 15 migration, Supabase integration, +40% performance.
- SpotBOI - Full-stack AI SaaS with custom workflows and subscription logic. React, Node.js, OpenAI, LangChain.
- ChangePlan - Enterprise SaaS with dashboards, role-based access and reporting. React, Meteor, MongoDB.
- Uprise - B2B wellbeing SaaS with employee tracking and HR analytics. React, TypeScript, Django, AWS.
🔥 𝐂𝐎𝐑𝐄 𝐒𝐓𝐀𝐂𝐊:
- Frontend: React, Next.js, TypeScript
- Backend: Node.js, NestJS, Express, Python, Django, FastAPI
- Data & Cloud: PostgreSQL, MongoDB, AWS, Docker, CI/CD
- AI: OpenAI, RAG, LangChain, AI assistants and automation
🔥 𝐁𝐄𝐒𝐓 𝐅𝐈𝐓 𝐅𝐎𝐑:
- Founders launching web or AI MVPs
- SaaS teams building or scaling React, Node.js and Python products
- Companies adding AI to an existing platform
- Teams needing a reliable long-term full-stack partner
🔥 𝐀𝐯𝐚𝐢𝐥𝐚𝐛𝐥𝐞 𝐭𝐨𝐝𝐚𝐲 - 𝐝𝐫𝐨𝐩 𝐦𝐞 𝐚 𝐦𝐞𝐬𝐬𝐚𝐠𝐞 𝐚𝐧𝐝 𝐥𝐞𝐭’𝐬 𝐠𝐞𝐭 𝐲𝐨𝐮𝐫 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 𝐦𝐨𝐯𝐢𝐧𝐠.
CSS
CSS 3
React
JavaScript
TypeScript
Node.js
HTML
Redux
React Native
Python
HTML5
Django
MySQL
Vue.js
ExpressJS
MongoDB
Tailwind CSS
PHP
Web Design
Bootstrap
Ani G.
Yerevan, Armenia
$30/hr
5.0
5 jobs
I am a Front-End Developer with professional experience since 2017, specializing in building responsive, user-friendly, and high-performance web applications.
I hold a Bachelor's degree in Informatics and Applied Mathematics from the Department of Informatics and Applied Mathematics at Yerevan State University. My academic background has given me a strong foundation in problem-solving, algorithms, and software development, which I apply to every project I work on.
Over the years, I have developed modern web applications using current front-end technologies, focusing on clean, maintainable code and intuitive user experiences. I enjoy collaborating with clients to turn ideas into functional, polished products while ensuring quality, performance, and attention to detail.
I am committed to delivering reliable solutions, meeting deadlines, and maintaining clear communication throughout every project. Whether you need a new application built from scratch, an existing project improved, or ongoing front-end development support, I am ready to help bring your vision to life.
CSS
CSS 3
Bootstrap
AngularJS
jQuery
TypeScript
JavaScript
RxJS
HTML
HTML5
Angular
Angular Material
RESTful API
API
Sass
Progressive Web App
Tailwind CSS
Git
Cross-Browser Compatibility
Performance Optimization
Lusine A.
Yerevan, Armenia
$18/hr
5.0
1 jobs
I’m a Shopify Developer with a strong front-end development background, specializing in building modern, responsive, and high-performing eCommerce experiences. My expertise combines Shopify development with React, Next.js, TypeScript, and JavaScript, allowing me to create scalable solutions that are both visually appealing and technically robust.
I develop and customize Shopify themes using Liquid, HTML, CSS, and JavaScript, build custom sections and templates, improve storefront performance, and create responsive user experiences. I also work with Shopify Admin, managing products, collections, navigation, metafields, and store content to ensure stores remain organized, scalable, and easy to maintain.
Beyond Shopify, I have several years of professional experience developing web applications with React and Next.js. I’ve worked on multilingual platforms, integrated REST APIs, built reusable UI components, optimized application performance, and collaborated closely with designers and backend developers to deliver clean, maintainable code.
I enjoy turning ideas into reliable solutions, whether it’s building a custom Shopify feature, improving an existing store, implementing a new design, fixing bugs, or optimizing performance. I focus on writing high-quality code, maintaining clear communication, and delivering projects on time.
What I can help with:
⚛️ React & Next.js development
🛍 Shopify customization & storefront development
🎨 Responsive UI — Tailwind CSS, MUI
🎯 Figma → pixel-perfect implementation
📱 Mobile-first layouts
🧩 Reusable component architecture
Tech stack: Shopify · React · Next.js · TypeScript · JavaScript · Shopify · Tailwind CSS · MUI · HTML/CSS · Git
Let's build something magnificent.
CSS 3
Shopify Development
Shopify Website Design
Shopify Apps
Shopify
Shopify Theme
Front-End Development
Shopify SEO
SEO Audit
Shopify Templates
Shopify Plus
React
AI Chatbot
Liquid
Landing Page
JavaScript
HTML5
Responsive Design
Git
Manana S.
Yerevan, Armenia
$12/hr
5.0
1 jobs
Hi there! 👋 I’m a Shopify Developer who helps clients build, customize, manage, and improve their Shopify stores. I specialize in Shopify theme customization, Liquid development, Shopify store setup, product management, responsive design, storefront updates, and eCommerce support.
I use Shopify Liquid, HTML, CSS, and JavaScript to customize Shopify themes, create custom sections, improve layouts, update product and collection pages, fix storefront issues, and make stores work smoothly across desktop and mobile.
🛠️ Shopify Development & Theme Customization
I can help with:
• Shopify theme customization
• Shopify Liquid development
• Custom Liquid sections
• HTML and CSS customization
• JavaScript improvements
• Responsive Shopify website design
• Custom styling and layout changes
• Shopify bug fixes and troubleshooting
• Homepage, product page, and collection page updates
Whether you need a small theme adjustment or several storefront improvements, I focus on clean implementation, consistent design, responsive layouts, and a better customer experience.
📦 Shopify Store Setup & Management
I can also handle the day-to-day work of managing your Shopify store, including:
• Shopify store setup and configuration
• Product listing and product uploads
• Product and collection management
• Inventory updates
• Content and storefront updates
• Navigation and category organization
• Store maintenance
• Ongoing Shopify support
I’m comfortable working with detailed product information and repetitive eCommerce tasks while keeping your store accurate, organized, and consistent.
📈 Shopify Optimization & CRO
A Shopify store should not only look good — it should also be easy to navigate and provide a smooth experience for customers.
I can help with:
• Shopify SEO
• Conversion Rate Optimization (CRO)
• Product page optimization
• Collection page improvements
• Responsive UX and mobile optimization
• Storefront performance improvements
• Shopify store audits
• Troubleshooting and optimization
My approach is practical: I understand the issue, identify what needs to be improved, and implement a solution that fits your store and its goals.
💡 What I Bring to Your Project
✔️ Shopify development and store management
✔️ Shopify Liquid, HTML, CSS, and JavaScript
✔️ Responsive and user-focused Shopify design
✔️ Product, collection, and inventory management
✔️ Detail-oriented and organized work
✔️ Clear communication and reliable support
Whether you need Shopify theme customization, Liquid development, Shopify store setup, Shopify website design, product management, inventory updates, SEO/CRO improvements, or ongoing Shopify support, I can help.
📩 Send me your project details or DM me here on Upwork, and let’s discuss how I can help improve your Shopify store. 🚀
CSS
Shopify
Shopify Development
HTML
Liquid
Shopify Website Design
Store Management
Shopify Theme
JavaScript
Ecommerce Store Setup
Product Listings
Category Management
Conversion Rate Optimization
Inventory Management
Ecommerce
Shopify SEO
Process Optimization
Customer Support
GitHub
Microsoft Office
Naira K.
Martuni, Armenia
$20/hr
5.0
26 jobs
😎 Looking for someone who can build and grow your online presence? You're in the right place.
I'm a Digital Marketing Specialist & Website Builder with hands-on experience creating WordPress and Shopify websites, running SEO campaigns, and managing social media and content for e-commerce and service-based brands.
🌐 Website Development:
▪️ WordPress / Elementor / WooCommerce
▪️ Shopify
▪️ Cloudflare setup & domain configuration
▪️ Responsive, conversion-focused design
📈 Digital Marketing:
▪️ SEO (On-Page / Off-Page / Technical / Local)
▪️ Link Building
▪️ Content Marketing & AI Content Creation
▪️ SMM & Social Media Strategy
▪️ Ad Copywriting
✅ What I bring:
✅ Full website builds on WordPress & Shopify
✅ SEO strategy that grows organic traffic
✅ Content, AI-assisted content, and social media management end-to-end
✅ A background in journalism, PR, and project management — so I understand both the message and the mechanics behind it
I've worked with e-commerce brands and small businesses to build their web presence and grow it through content, search, and social. I care about clean execution and measurable results, not just deliverables.
If you need someone who can build the site and market it — let's talk 🚀
CSS 3
WordPress
Figma
SEO Audit
HTML5
GitHub
Local SEO
On-Page SEO
Off-Page SEO
Technical SEO
Link Building
Outreach Strategy
Content Marketing
Social Media Marketing
Influencer Marketing
Email Marketing
Advertising
Shopify
AI Content Creation
Sales & Marketing
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