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$21/hr
100%
Job Success
$40K+ earned
Available now
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With 18+ years of hands-on experience, I specialize in designing and building scalable, secure, and production-grade web & mobile applications for startups, enterprises, and growing businesses. I’ve worked across full product lifecycles, from idea validation and architecture to deployment, scaling, and long-term maintenance.
Over the years, I’ve successfully delivered complex SaaS platforms, enterprise dashboards, marketplaces, AI-powered systems, ERP modules, and high-performance web applications. My strength lies in understanding business logic first, then building clean, scalable, and maintainable solutions.
I don’t just build features, I help architect long-term products.
Core Expertise:
Full Stack Development
- PHP, Node.js, Laravel, Nest.js, Express.js
- React.js, Next.js, Angular, Vue.js
- HTML5, CSS3, Tailwind, Bootstrap
- TypeScript, JavaScript (ES6+)
Database & Architecture
- MySQL, PostgreSQL, MongoDB
- Redis, Elasticsearch
- Multi-tenant SaaS architecture
- Microservices & API-first development
Cloud
- AWS (EC2, S3, Lambda, RDS, CloudFront)
- DigitalOcean, VPS deployments
- Docker, CI/CD, GitHub Actions
- Performance optimization & scaling
Mobile Development
- React Native
- Cross-platform mobile apps
- API-driven mobile architectures
API & Integration Expertise
- REST APIs & GraphQL
- Payment Gateways (Stripe, PayPal, etc.)
- Third-party SaaS integrations
- CRM, ERP, and Accounting integrations
- AI & automation integrations
Types of Applications I've Built:
- SaaS Platforms
- CRM & ERP Systems
- AI-Powered Applications
- Marketplace Platforms
- Booking & Scheduling Systems
- Financial & Accounting Systems
- Real-time Chat Applications
- Multi-tenant SaaS Platforms
- Analytics Dashboards
- Healthcare Platforms
- EdTech Platforms
- On-Demand Platforms
- Property & Rental Platforms
- E-commerce Platforms
- Enterprise Internal Tools
I focus on building production-ready systems, not quick temporary solutions.
If you're looking for a senior developer who understands both technology and business, I’d be glad to collaborate.
Deepak S.
has worked
.
Associated with
Globiz Technology Inc
$6K+
earned
$20/hr
98%
Job Success
$300K+ earned
Available now
Offers consultations
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I help businesses and eCommerce brands grow revenue through fast, mobile-first, and conversion-optimized websites built on WordPress, WooCommerce, BigCommerce, and Shopify.
As a Senior Full- Stack WordPress, Shopify and BigCommerce developer, I specialize in creating high-performance online stores with custom theme development, plugin creation, and seamless checkout experiences that turn your vision into measurable business results.
𝐖𝐡𝐚𝐭 𝐈 𝐎𝐟𝐟𝐞𝐫:
➡️ Custom WordPress & WooCommerce Theme Development
Crafting bespoke themes that represent your brand and integrate seamlessly with WordPress and WooCommerce, ensuring optimal functionality and scalability of the platform
➡️ Shopify & BigCommerce Store Development & Optimization
Expertly building Shopify and BigCommerce stores with custom features, product pages, smooth checkout flows.
➡️ Advanced Plugin & App Development
Creating custom plugins for WordPress and apps for Shopify/BigCommerce to add unique functionalities, integrations, or enhance user experiences.
➡️ WordPress Plugin Development
Whether you need a custom plugin to add specific functionality or integration with third-party services, I specialize in plugin development that is lightweight, efficient, and built to enhance your website's performance.
➡️ Advanced WooCommerce Customization
I have extensive experience in WooCommerce customization, I tailor the shopping experience by optimizing product pages, adding advanced filtering options, and configuring subscriptions, membership systems, and dynamic pricing models to create a smooth, high-converting sales funnel.
➡️ Seamless API Integrations
Connecting third-party services, CRMs, ERPs, and payment gateways to your WordPress, WooCommerce, Shopify, or BigCommerce store for smooth, unified operations.
𝐖𝐡𝐲 𝐦𝐞:
➡️ 10+ years of hands-on experience in WordPress, WooCommerce, and eCommerce development, delivering scalable, secure, and high-performing websites with clean code and best practices.
➡️ 100+ successfully completed projects for startups, SMEs, and enterprise clients, with a proven record of consistent 5⭐ reviews, long-term partnerships, and repeated clients.
➡️ Ongoing Website Maintenance & Support
Providing ongoing support with regular updates, security audits, performance monitoring, and feature enhancements to keep your WordPress, WooCommerce, Shopify, or BigCommerce website secure, fast, and always up-to-date.
✨ 𝗧𝗘𝗖𝗛 𝗧𝗢𝗢𝗟𝗞𝗜𝗧 & 𝗧𝗘𝗖𝗛 𝗦𝗧𝗔𝗖𝗞
Platforms: BigCommerce, Shopify, WordPress, WooCommerce
Frameworks/Builders: Stencil, Shopify 2.0, Elementor, Next.js
Languages: Liquid, JavaScript (ES6+), PHP, HTML5, CSS3
Tools: Git:Figma, VS Code, Google Lighthouse
Automation/CI-CD: Appstle, Zapier, n8n, GitHub Actions, staging pipelines
Add-ons: Bold Subscriptions, Appstle, Klaviyo, WooFunnels, Mailchimp
✨ 𝗣𝗥𝗢𝗝𝗘𝗖𝗧 𝗦𝗡𝗔𝗣𝗦𝗛𝗢𝗧𝗦
✅ DTC BigCommerce Store: Mobile-first UX redesign & Appstle checkout = +27% checkout conversion & revenue uplift
✅ Marketplace Platform: Vendor dashboard, Stripe payout logic & SEO schema for increased vendor engagement
✅ Subscription SaaS Application: Cloud-native multi-tenant architecture, automated billing & usage analytics dashboards
✅ Wholesale Portal: B2B tiered pricing, order workflows & REST ERP synchronization for streamlined operations
✅ Digital Product Platform: License delivery, Apple Pay integration, GDPR-compliant secure UX
✅ Headless Implementation: Gatsby front-end + BigCommerce backend delivering lightning-fast page loads
✨ 𝗡𝗜𝗖𝗛𝗘 𝗙𝗢𝗖𝗨𝗦 𝗔𝗥𝗘𝗔𝗦
• DTC Brands & Subscription Commerce
• Multi-Vendor Marketplaces & B2B Wholesale Platforms
• SaaS Products with Modular APIs and Usage Dashboards
• Digital Content Delivery & Licensing Stores
• HealthTech / EdTech Platforms, membership & gated content systems
Message me today to turn your vision into a fast, scalable, and conversion-optimized WordPress, WooCommerce, or BigCommerce experience.
Keywords :
WordPress Developer | WooCommerce Developer | Shopify Developer | BigCommerce Developer | Ecommerce Developer | Full Stack WordPress Developer WordPress Developer | Custom WordPress Themes | WooCommerce Customization | BigCommerce Store Development | Shopify Store Expert | WordPress Plugin Development | eCommerce Website Design | WordPress & WooCommerce Integration | WordPress Website Developer | Custom Plugin & App Development for WooCommerce, Shopify & BigCommerce | Full-Stack eCommerce Developer | Web Developer | WordPress Site Build + WordPress Site Upgrade | Senior Full-Stack Developer ( WordPress and Shopify ) Website developer | Elementor Website Fine-Tuning | eCommerce Developer | eCommerce website Developer | Senior WordPress Developer | Shopify Designer | WooCommerce Expert | Shopify Website Developer Needed | WordPress Website Developer Needed | WordPress Subscription Billing Platform | Shopify Developer (Full Stack) for Ongoing Client Support | Shopify Expert
Ranjeet K.
has worked
.
Associated with
Matrix Marketers
$4M+
earned
$25/hr
100%
Job Success
$100K+ earned
Available now
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🚀 Building Scalable Travel Platforms, OTAs & AI-Powered Booking Solutions
I help travel agencies, OTAs, tour operators, and travel startups build and scale high-performance digital travel platforms using Amadeus, Sabre, Travelport (Galileo), NDC, and supplier APIs.
From flight booking engines, hotel booking platforms, and B2B/B2C travel portals, I deliver solutions that automate operations, improve customer experience, and increase booking conversions.
With 21+ years of software development experience and 14+ years as a freelancer, I have successfully integrated leading travel providers including Amadeus, Sabre, Travelport, Hotelbeds, TBO, Tripjack, TravelFusion, EaseMyTrip, and Verteil NDC.
I lead a 120 member team at OneClick IT Solution, specializing includes travel portal development, flight and hotel booking engines, API aggregation, custom booking workflows, and N8N automation to streamline operations and enhance customer experience. From B2C/B2B booking engines to white-label solutions, I focus on delivering reliable, high-performance systems that improve efficiency and drive more bookings.
Core Expertise
- Amadeus, Sabre & Travelport GDS Integration
- Flight & Hotel Booking Engines
- OTA, B2B/B2C & White-label Portals
- Full-Stack Web & SaaS Development
- React.js, Next.js, Node.js, Laravel, PHP
- REST & SOAP API Integrations
- n8n Workflow Automation
- CRM / ERP / Payment Gateway Integrations
- Stripe, PayPal, Webhooks
- AWS, Docker, CI/CD
🔹Frontend : React.js, Next.js, TypeScript, Redux, Tailwind CSS, MUI, Bootstrap, Shadcn
🔹Backend : Node.js, NestJS, Express.js, Laravel, PHP
🔹Databases : MySQL, PostgreSQL, MongoDB
Solutions
OTA Platforms (Flight + Hotel)
Multi-API Integration & Normalization
Booking, Cancellation & Payment Automation
WhatsApp / Email / SMS Notifications
CRM / ERP Integrations
N8N Automation Workflows
Tech Stack
• PHP, Laravel, Node.js, JavaScript
• REST, SOAP, JSON, XML APIs
• MySQL, PostgreSQL
• API Authentication & Secure Integrations
• n8n Automation Workflows
• Git, Cloud Deployment & Scalable Architecture
Why Me
Strong GDS + NDC expertise
Built scalable OTA systems
Focus on performance & automation
Travel Keywords:
Online Travel Agency (OTA) • White Label Travel Portal • Travel API Integration • Amadeus Integration • Sabre Integration • Travelport Integration • Amadeus Development • Flight Booking Engine • Travelport Development • Hotelbeds Integration • TBO Integration • Tripjack Integration • Webbeds Integration • Airline Reservation System • Razorpay Integration • PayPal Integration
Arora R.
has worked
.
Associated with
OneClick IT Consultancy
$100K+
earned
$15/hr
100%
Job Success
$100K+ earned
Available now
Start of list.
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I’m a 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐚𝐧𝐝 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐰𝐢𝐭𝐡 𝟕+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 building scalable digital products for startups and businesses.
My core expertise lies in developing 𝐨𝐩𝐭𝐢𝐦𝐮𝐦 𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐢𝐧𝐠 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 𝐮𝐬𝐢𝐧𝐠 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐚𝐧𝐝 𝐑𝐞𝐚𝐜𝐭 𝐍𝐚𝐭𝐢𝐯𝐞, along with creating 𝐜𝐮𝐬𝐭𝐨𝐦 𝐰𝐞𝐛𝐬𝐢𝐭𝐞𝐬 𝐚𝐧𝐝 𝐞𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 𝐮𝐬𝐢𝐧𝐠 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 𝐚𝐧𝐝 𝐖𝐨𝐨𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞.
I implement 𝐀𝐈-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐟𝐞𝐚𝐭𝐮𝐫𝐞𝐬 𝐢𝐧 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩𝐬 𝐚𝐧𝐝 𝐰𝐞𝐛𝐬𝐢𝐭𝐞𝐬 to enhance user experience and automate workflows, using 𝐀𝐈-𝐚𝐬𝐬𝐢𝐬𝐭𝐞𝐝 𝐭𝐨𝐨𝐥𝐬 to accelerate development and improve code quality. I follow 𝐦𝐨𝐝𝐞𝐫𝐧 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐩𝐫𝐚𝐜𝐭𝐢𝐜𝐞𝐬 to deliver reliable and scalable solutions.
✅ Core technologies I work with :
🔶 𝐌𝐨𝐛𝐢𝐥𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 ➤ Flutter │ React Native │ Dart │ JavaScript │ TypeScript
🔶 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬 ➤ Firebase │ Supabase │ PostgreSQL │ MySQL │ MariaDB │ Node.js
🔶 𝐂𝐌𝐒 ➤ WordPress │ WooCommerce │ PHP │ Advanced Custom Fields (ACF) │ WP CLI
🔶 𝐀𝐏𝐈 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 ➤ REST API │ GraphQL │ Third-party Services
🔶 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐓𝐨𝐨𝐥𝐬 ➤ Git / GitHub │ Docker │ CI/CD Pipelines
The services I provide include:
════════════════════
✅ For Mobile Apps Development :
🔶 𝐄𝐧𝐝-𝐭𝐨-𝐞𝐧𝐝 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 i.e. planning, architecture, UI development, backend integration, testing, and deployment
🔶 Pixel-perfect 𝐔𝐈 𝐢𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐚𝐭𝐢𝐨𝐧 𝐟𝐫𝐨𝐦 𝐅𝐢𝐠𝐦𝐚, Adobe XD, or Sketch (including design systems and dark mode support)
🔶 𝐌𝐕𝐏 𝐚𝐩𝐩 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭
🔶 𝐀𝐏𝐈 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 (REST, GraphQL, and third-party services such as payments, maps, authentication, analytics, and social logins)
🔶 𝐀𝐩𝐩 𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐨𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧, code refactoring, and bug fixing
🔶 𝐀𝐩𝐩 𝐒𝐭𝐨𝐫𝐞 𝐚𝐧𝐝 𝐆𝐨𝐨𝐠𝐥𝐞 𝐏𝐥𝐚𝐲 𝐝𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭, release management, and crash monitoring setup
🔶 𝐎𝐧𝐠𝐨𝐢𝐧𝐠 𝐦𝐚𝐢𝐧𝐭𝐞𝐧𝐚𝐧𝐜𝐞, feature enhancements, and OS compatibility updates
✅ For Wordpress Development :
🔶 𝐂𝐮𝐬𝐭𝐨𝐦 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 𝐰𝐞𝐛𝐬𝐢𝐭𝐞 development and theme customization
🔶 WordPress 𝐩𝐥𝐮𝐠𝐢𝐧 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 and custom functionality
🔶 𝐖𝐨𝐨𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐬𝐭𝐨𝐫𝐞 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 and advanced store customization
🔶 𝐇𝐞𝐚𝐝𝐥𝐞𝐬𝐬 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 integrations for modern front-end applications
🔶 𝐓𝐡𝐢𝐫𝐝-𝐩𝐚𝐫𝐭𝐲 𝐀𝐏𝐈 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 for payments, shipping, CRM, ERP, and external systems
🔶 𝐖𝐞𝐛𝐬𝐢𝐭𝐞 𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐨𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧 (Core Web Vitals, speed improvements)
🔶 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 & 𝐖𝐨𝐨𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐦𝐚𝐢𝐧𝐭𝐞𝐧𝐚𝐧𝐜𝐞, updates, and security hardening
Feel free to reach out to me. I would be happy to discuss your project in detail.
Neha K.
has worked
.
Associated with
The Brihaspati Infotech Pvt. Ltd.
$10M+
earned
$18/hr
100%
Job Success
Available now
Offers consultations
Start of list.
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Senior AI, Full-Stack & Mobile Application Architect | AI Agents, SaaS & Scalable Product Development
I help startups, SaaS companies, and enterprises build intelligent software products that automate operations, accelerate growth, and create competitive advantages.
With 10+ years of software engineering experience and deep expertise in Artificial Intelligence, Generative AI, Full-Stack Development, Mobile Applications, and Cloud Infrastructure, I specialize in transforming complex ideas into scalable, production-ready solutions.
From AI-powered SaaS platforms and autonomous agent systems to mobile applications and enterprise automation, I bring both technical execution and product thinking to every engagement.
AI Systems, Agents & Automation
I design and build production-grade AI solutions that go beyond simple chatbot integrations.
Core Expertise
* AI Agents & Multi-Agent Systems
* Agentic Workflows & Autonomous Automation
* Generative AI Applications
* Retrieval-Augmented Generation (RAG)
* Knowledge Bases & AI Assistants
* Prompt Engineering & Optimization
* AI Voice Agents & Conversational Systems
* Document Processing & OCR Solutions
* AI-Powered SaaS Products
* Workflow Automation & Business Process Optimization
AI Technologies
OpenAI, Claude, Gemini, Grok, DeepSeek, LangChain, LangGraph, LlamaIndex, CrewAI, AutoGen, MCP Integrations, Vapi, ElevenLabs, Synthflow
Automation Platforms
n8n, Make, Zapier, Pipedream, CRM Automation, API Integrations, Workflow Orchestration
Mobile Application Development
I build high-performance mobile applications for startups, growing businesses, and enterprise organizations.
Technologies
* React Native
* Flutter
* Swift & SwiftUI
* Kotlin
* Java
Experience Includes
* AI-Powered Mobile Applications
* Real-Time Communication Apps
* GPS & Location-Based Services
* Push Notifications
* Offline-First Applications
* Subscription & Payment Systems
* Health & Fitness Platforms
* E-Commerce Applications
* On-Demand Marketplaces
* Social & Community Platforms
Full-Stack SaaS & Web Development
From MVP development to enterprise-scale platforms.
Frontend
React, Next.js, Angular, TypeScript, JavaScript, Tailwind CSS, ShadCN UI, Material UI
Backend
Node.js, Express, NestJS, Python, FastAPI, Django, Flask
APIs & Architecture
REST APIs, GraphQL, WebSockets, Microservices, Serverless Applications
Databases
PostgreSQL, MongoDB, MySQL, Redis, Firebase, Supabase
Cloud, DevOps & Infrastructure
Building secure, scalable, and maintainable systems designed for long-term growth.
Cloud Platforms
AWS, Google Cloud, Azure, Firebase, DigitalOcean
DevOps
Docker, Kubernetes, CI/CD Pipelines, GitHub Actions, GitLab CI, Jenkins
Infrastructure
Linux, Nginx, Load Balancing, Auto Scaling, Monitoring & Logging, Infrastructure Automation
Machine Learning & Emerging Technologies
Artificial Intelligence & Machine Learning
* Predictive Analytics
* Recommendation Systems
* Computer Vision
* Natural Language Processing
* TensorFlow
* PyTorch
* Scikit-Learn
Blockchain & Web3
* Smart Contracts
* Solidity Development
* Ethereum & Solana Integrations
* Wallet Integrations
* NFT Platforms
* DeFi Applications
Industries Served
Healthcare, FinTech, Real Estate, E-Commerce, Education, Logistics, Hospitality, Fitness, Marketplaces, AI Startups, SaaS Platforms
Why Clients Work With Me
* 10+ Years of Software Engineering Experience
* AI-First Product Development Approach
* Strong Architecture & System Design Expertise
* Experience Scaling Products from MVP to Production
* Clean, Maintainable & Scalable Code
* Clear Communication & Reliable Delivery
* Long-Term Technical Partnership Mindset
I don't just build software. I help businesses leverage technology, AI, and automation to create measurable business outcomes.
Whether you're launching a new product, scaling an existing platform, or integrating AI into your operations, I can help you design, build, and deliver a solution that is reliable, scalable, and built for growth.
Vikash Kumar T.
has worked
.
$45/hr
100%
Job Success
$100K+ earned
Available now
Offers consultations
Start of list.
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🔵 14+ years developing first-class web, mobile and AI apps that achieve business goals and hit the mark.
As an AI developer and web developer, my expertise led my team to work with Fortune 500 companies such as Philip Morris, Coca-Cola, DANONE, McDonald’s (Ukraine), and Kimberly-Clark.
I started as a programmer in 2006. Now, I'm CTO at Brights — a software company focused on web, mobile and AI products, with 120+ Mobile app developer s and Web developer s who specialize in AI Chatbot systems, advanced AI Integration solutions, AI Saas and Mobile app development. As a deal closer, I also work closely with clients during product strategy and delivery.
At Brights, we support companies through every stage of development backed by experienced AI developer, AI Chatbot, AI API Integration, Mobile app developer, and web developer — from MVPs to scaling including AI developer | AI Chatbot | AI API Integration | Mobile app developer. Our experience includes API integration, complex API integrations, and enterprise-grade AI API Integration.
Within the last 14 years, I have delivered 300+ projects across fintech, insurtech, healthcare, eCommerce, real estate, education, logistics, and more as an AI developer | AI Chatbot | AI API Integration | Mobile app developer.
👩💻 Technical stack I cover as an AI developer | AI Chatbot | AI API Integration | Mobile app developer:
Front-end:
• Vue.js, React, Angular, Next.js, Redux, react native
Back-end:
• ASP.NET, PHP, Node.js, GraphQL
Mobile:
• React Native, iOS, Android, with support from a dedicated Mobile app developer and Flutter developer as well as Mobile game developer
Artificial Intelligence tech stack I cover as an AI developer | AI Chatbot | AI API Integration:
• Python developer workflows, LangChain, GPT-4o, gpt-3, OpenCV, Hugging Face, RAG, LLM, AI machine learning, and scalable machine learning pipelines
Data & Architecture:
• PostgreSQL, MongoDB, Redis, Elasticsearch for both mobile app marketing and web
• Supported by experienced data scientist and full stack developer teams
Integrations:
• Analytics, CMS, Swagger, botpress, chatbots, AI API, and automation systems with reliable API integration
If you are looking for AI developer | AI Chatbot | AI API Integration or Mobile app developer with strong mobile app design experience (Figma mobile app) - drop me a line.
Dmytro U.
has worked
.
Associated with
BRIGHTS
$100K+
earned
$45/hr
100%
Job Success
$700K+ earned
Available now
Offers consultations
Start of list.
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I help startups and businesses build production-ready AI products using OpenAI, Claude, Gemini, RAG architectures, AI Agents, and modern LLM infrastructure.
Over the past 10+ years, I've led engineering teams delivering SaaS products, automation platforms, internal AI assistants, document intelligence systems, and AI-powered business tools.
Today my primary focus is AI engineering:
• RAG (Retrieval-Augmented Generation)
• AI Agents & Multi-Agent Systems
• OpenAI, Claude, Gemini Integrations
• AI Chatbots & Internal Knowledge Assistants
• Vector Databases (Pinecone, Weaviate, pgvector)
• LangChain & LangGraph
• AI Search Systems
• Document Processing & OCR
• AI Workflow Automation
• Custom AI SaaS Platforms
Recent AI projects include:
* Internal AI assistants connected to company knowledge bases
* AI-powered document processing systems
* Competitive intelligence platforms
* AI lead generation and enrichment tools
* AI copilots for operational teams
* Custom RAG platforms with secure knowledge retrieval
Technology Stack
OpenAI, Anthropic Claude, Gemini, LangChain, LangGraph, LlamaIndex, Pinecone, pgvector, Python, FastAPI, Node.js, Next.js, PostgreSQL, Supabase, AWS.
I focus on building reliable AI systems that solve real business problems, not just AI demos.
Rodion S.
has worked
.
Associated with
Brocoders
$300K+
earned
$15.99/hr
100%
Job Success
Available now
Offers consultations
Start of list.
End of list.
🏅𝗧𝗢𝗣-𝗥𝗔𝗧𝗘𝗗 𝗼𝗻 𝗨𝗣𝗪𝗢𝗥𝗞
🏅𝟭800+ 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧 𝗛𝗢𝗨𝗥𝗦
🏅𝟭𝟬𝟬+ 𝗦𝗨𝗖𝗖𝗘𝗦𝗦𝗙𝗨𝗟𝗟𝗬 𝗗𝗘𝗟𝗜𝗩𝗘𝗥𝗘𝗗 𝗣𝗥𝗢𝗝𝗘𝗖𝗧𝗦
🏅$𝟮𝟬𝟬𝗞+ 𝗘𝗔𝗥𝗡𝗜𝗡𝗚
🏅𝟳𝟱+ 𝗘𝗫𝗖𝗘𝗟𝗟𝗘𝗡𝗧 𝗥𝗘𝗩𝗜𝗘𝗪𝗦
🚀 MVP / SAAS Specialist Expertise in | AI Developer | RAG | LLM | AI Integration | Python | OpenAI API Integration | Artificial intelligence | Machine Learning | Langchain | Django React JavaScript | FastAPI | AI agent | AI App Development | AI bot | AI chatbot | AI Agent | Restful API | PostgresSQL | Botpress | PostHog | MCP Server
🔑 𝐈 𝐛𝐮𝐢𝐥𝐝 𝐚𝐧𝐝 𝐝𝐞𝐩𝐥𝐨𝐲 𝐜𝐮𝐬𝐭𝐨𝐦 𝐰𝐞𝐛 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬, AI-Powered MVP, AI Healthcare Tools, AI Writing Tool, GPT Clone, Full Stack Application, Multi-Tenant 𝐚𝐧𝐝 𝐢𝐧𝐧𝐨𝐯𝐚𝐭𝐢𝐯𝐞 𝐀𝐈 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 𝐭𝐡𝐚𝐭 𝐬𝐨𝐥𝐯𝐞 𝐜𝐨𝐦𝐩𝐥𝐞𝐱 𝐩𝐫𝐨𝐛𝐥𝐞𝐦𝐬, 𝐜𝐫𝐞𝐚𝐭𝐞 𝐧𝐞𝐰 𝐯𝐚𝐥𝐮𝐞, 𝐚𝐧𝐝 𝐢𝐦𝐩𝐫𝐨𝐯𝐞 𝐮𝐬𝐞𝐫 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞𝐬.
🌉𝐈'𝐯𝐞 𝐬𝐨𝐥𝐯𝐞𝐝 𝐞𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 𝐩𝐫𝐨𝐛𝐥𝐞𝐦𝐬 𝐟𝐨𝐫 𝐭𝐨𝐩 𝐜𝐨𝐦𝐩𝐚𝐧𝐢𝐞𝐬 𝐚𝐧𝐝 𝐬𝐭𝐚𝐫𝐭𝐮𝐩𝐬 𝐚𝐫𝐨𝐮𝐧𝐝 𝐭𝐡𝐞 𝐠𝐥𝐨𝐛𝐞
☑️ Under Armour
☑️ Snowflake
☑️ Estateza
☑️ SearchLook
☑️ Sparrowcharts
💡 𝐖𝐡𝐚𝐭 𝐜𝐚𝐧 𝐈 𝐛𝐫𝐢𝐧𝐠 𝐭𝐨 𝐲𝐨𝐮𝐫 𝐭𝐚𝐛𝐥𝐞?
☑️ Full Stack Development for robust and scalable web applications, including both front-end and back-end technologies
☑️ Custom Web and Application Development utilizing frameworks like Python, React, Django, React.js / Angular / Next.js / Nest / Nust / Golang and Node.js
☑️ Expertise in LLMs and ChatGPT integration to enhance application functionalities
☑️ Proficiency in RESTful APIs, GraphQL, and database management
☑️ Experience with cloud services like AWS, Azure, and Google Cloud for deployment and scaling
☑️ Strong problem-solving skills and ability to optimize user experiences and application performance
🎯 𝐈 𝐩𝐨𝐬𝐬𝐞𝐬 𝐞𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𝐢𝐧 𝐭𝐡𝐞 𝐟𝐨𝐥𝐥𝐨𝐰𝐢𝐧𝐠 𝐝𝐨𝐦𝐚𝐢𝐧𝐬
☑️ Full Stack Development:
☑️ Backend:
☑️ Python
☑️ Django
☑️ Flask
☑️ NodeJs, Express.js
☑️ Rest API, SOAP
☑️ Websocket
☑️ Third party integration
☑️ Frontend:
☑️ Html5, Css3, Bootstrap
☑️ Javascript
☑️ ReactJs, Angular
☑️ VueJs
☑️ NextJs, NuxtJs
☑️ Ajax, JSON, XML, XHTML, SVG, Canvas
☑️ API integration, OpenAI API
☑️ DevOps:
☑️ CI/CD Pipelines
☑️ IaC
☑️ Docker
☑️ Kubernetes / Terraform
☑️ Elasticsearch
☑️ Cloud Computing (Azure, AWS, Google Cloud)
☑️ Version Control (Git, GitHub)
☑️ Containerization + Orchestration (Docker, Kubernetes)
☑️ Spring Boot / Java, Microservices Architecture
☑️ Real-time / Streaming / Event-driven architectures
☑️ Session Recordings / Session Replays
☑️ GraphQL / gRPC
☑️ Kafka / Redpanda (real-time streaming)
☑️ Generative Artificial Intelligence (GenAI)
☑️ Large Language Models (LLMs)
☑️ Natural Language Processing (NLP)
☑️ ChatBots and Virtual Assistants
☑️ Text to Image Modelling
☑️ Vector Databases
☑️ Retrieval-Augmented Generation (RAG)
☑️ ChatGPT
☑️ OpenAI
☑️ AI/ML (Artificial Intelligence + Machine Learning)
☑️ Multimodal AI / NLP
☑️ Agentic AI / Autonomous Agents
☑️ “Vibe Coding” / AI-first / prompt-driven dev workflows
☑️ Explainable AI / Ethical, Sustainable AI
☑️ Edge AI / On-device / Federated Learning
☑️ Web Scraping
☑️ Data Extraction
☑️ Data Scraping
☑️ Scrapy
☑️ Selenium
☑️ Beautiful Soup
☑️ Requests
☑️ Deployment and scheduling the scraping scripts on server
☑️ PostHog / Mixpanel / Amplitude / Segment (Twilio Segment)
☑️ OpenTelemetry (Datadog / Grafana / Sentry
☑️ LaunchDarkly / GrowthBook / VWO / Optimizely / Klaviyo
☑️ Airbyte / Fivetran / DBT
☑️ Auth0 / Clerk / SuperTokens / Google Auth
☑️ Stripe / Paddle
☑️ Plaid
AI + Analytics Integrations
☑️ LangSmith / LangFuse – Observability and evaluation layer for LLM apps.
☑️ Weaviate / Pinecone / Qdrant – Vector DBs for
#AIdevelopment
#AIagents
#CustomAI
#AgenticAI
#RAG
#NLP
#Computervision
#A2SPA
#Machinelearning
#pychart
#Python
#Django
#flask
#FastAPI
#dataengineering
#MVPDevelopment
#StartupMVP
#SaaSDevelopment
#BubbleApps
#MarketplaceDevelopment
#APIIntegration
#AIDevelopment
#NoCodeApps
#StartupDevelopment
#WebAppDevelopment
Romil S.
has worked
.
Associated with
XCode Web Solutions LLP
$30/hr
69%
Job Success
$10K+ earned
Available now
Start of list.
End of list.
I'm a 𝐒𝐫. 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 specialize in 𝐉𝐚𝐯𝐚𝐒𝐜𝐫𝐢𝐩𝐭, 𝐑𝐞𝐚𝐜𝐭, 𝐍𝐨𝐝𝐞.𝐣𝐬 and 𝐏𝐲𝐭𝐡𝐨𝐧 for building modern web applications, mobile apps, and Machine Learning solutions. My expertise spans 𝐀𝐏𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭, 𝐓𝐲𝐩𝐞𝐒𝐜𝐫𝐢𝐩𝐭, and stable systems using 𝐍𝐞𝐱𝐭.𝐣𝐬, 𝐑𝐞𝐚𝐜𝐭 𝐍𝐚𝐭𝐢𝐯𝐞, and 𝐂𝐨𝐦𝐩𝐮𝐭𝐞𝐫 𝐕𝐢𝐬𝐢𝐨𝐧
If you are looking for someone who can handle full-stack development and also bring in machine learning or computer vision when it makes sense, that’s exactly where I fit.
𝗪𝗵𝗮𝘁 𝗜 𝗗𝗼:
𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗪𝗲𝗯 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁
• Custom web application development with MERN / MEAN / Next.js / Node.js / .NET
• Front-end engineering with React, Vue, Angular, and TypeScript
• Back-end development with Node.js, .NET, Golang, and well-structured REST APIs, Node.js, .NET
𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁
• Cross-platform apps using React Native and Flutter
• Android / iOS app integration with your existing backend or newly built APIs
𝗠𝗮𝗰𝗵𝗶𝗻𝗲 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 & 𝗖𝗼𝗺𝗽𝘂𝘁𝗲𝗿 𝗩𝗶𝘀𝗶𝗼𝗻
• Prediction, ranking, recommendation, and anomaly detection systems
• Computer vision for images and video: OCR, tagging, detection, and recognition
• Deploying ML models as Dockerized REST APIs for easy integration into your product REST APIs
𝗧𝗲𝗰𝗵 𝗜 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵
• 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React.js, Next.js, Vue.js, Angular, Tailwind CSS, modern UI frameworks
• 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: Node.js (Express / Nest), .NET, Golang, Django, Flask, REST API, design
• 𝗠𝗼𝗯𝗶𝗹𝗲: React Native, Flutter, Android (Kotlin / Java)
• 𝗔𝗜/𝗠𝗟: Python, TensorFlow, PyTorch, scikit-learn, OpenCV
• 𝗗𝗲𝘃𝗢𝗽𝘀 & 𝗜𝗻𝗳𝗿𝗮: Docker, CI/CD pipelines, PostgreSQL, MySQL, MongoDB, Redis, cloud hosting platforms
𝗛𝗼𝘄 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗧𝘆𝗽𝗶𝗰𝗮𝗹𝗹𝘆 𝗥𝘂𝗻
• We clarify your goals, constraints, and must-have features.
• I propose a clear architecture and tech stack (MERN, Next.js, .NET, etc.) along with milestones.
• I implement the backend, frontend, mobile apps, and ML components as needed.
• You receive tested, documented deliverables plus guidance and support for deployment.
Whether you need a straightforward full-stack web or mobile build, or a product that combines APIs, AI, and interactive 3D experiences, I can help you scope it, architect it, and ship it.
Send a short message with what you’re building and your timeline, and I’ll respond with a realistic roadmap and technical plan you can use right away.
Nasir A.
has worked
.
$35/hr
100%
Job Success
$500K+ earned
Available now
Offers consultations
Start of list.
End of list.
🧩🌍7 years as a Shopify developer expert, certified by Shopify - building everything from standard or custom Shopify stores to public Shopify apps and Shopify headless storefronts, and there's always a way to make it work.
My Shopify web developer achievements:
- launched 79 Shopify websites for fashion, lifestyle, supplement, entertainment brands - they earn around $155M+ yearly based on my work. As a Shopify developer, I built 35+ themes with expertise converting Figma and HTML website design to Shopify. Every project focuses on and includes comprehensive Shopify SEO, conversion rate optimisation shopify, and Klaviyo integrations to maximize growth.
- as a Shopify app developer skilled in Shopify app development, built 46 Shopify public apps for the Shopify app store and 20 Shopify custom apps for internal customer needs, for example a custom configurator app. I am a Shopify app developer who delivered 30+ apps with a "Built for Shopify" badge. Ready to be the React developer for your next Shopify public app or Shopify custom app.
- 55 Shopify theme customization projects for Shopify 2.0 themes using Liquid, HTML, CSS, and JavaScript. As a full stack developer, I heavily focus on improving design and Shopify speed with a proven ability to customize a modern OS 2.0 theme using Liquid developer skills for your Shopify store.
- assisted 46 clients in boosting sales via conversion rate optimization and mobile-first approach. As a Shopify developer, I eliminate bugs and gaps holding your Shopify website or Shopify store back. As a web developer I provide design refinement + implementation to seamlessly optimize both desktop and mobile UX for growth, with affiliate marketing apps integrations for better UX.
- 30 migrations made: Woocommerce to Shopify migration; Shopware to Shopify migration; Magento to Shopify migration or other CMS to Shopify migration. I’ve handled collections, customer, order and other data migrations with protecting existing Shopify SEO rankings which is always critical for Shopify management. As your Shopify developer expert, I always ensure the transition is invisible to your customers.
- with more than 100 Shopify development and Shopify app development audits under my belt, where I specialize in turning underperforming stores around to boost Shopify speed and Core Web Vitals metrics, I delivered $10M+ in incremental revenue for my last 20 clients. I always achieve improvements for my clients through enhancing Shopify SEO, applying my Liquid, HTML, CSS, and JavaScript skills to clean the code and avoid third-party apps that slow down site speed.
My Shopify developer skills:
🟢 Shopify developer seo marketing, shopify va - I set up shopify site for beauty and fashion, luxury, wellness, supplement, jewelry, lifestyle, other brands and sync instagram social media posts
🟢 Shopify OS 2.0 theme customization beyond template limitations - huge experience with themes like Dawn, Impulse, Focal, Impact, Be Yours and 35 more
🟢 Shopify app developer - strong understanding of JavaScript, React Router v7, TypeScript, Prisma, Polaris, Remix.js, Python shopify
🟢 Shopify developer building custom headless storefronts using Hydrogen and Oxygen with seamless headless CMS integration.
🟢 Shopify developer CRO & Shopify designer specializing in landing page builder solutions to accelerate growth for e-commerce using GemPages / Replo.
🟢 Shopify app development with focus on Shopify Admin API, Shopify API integration, webhooks (HMAC verification, idempotency), OAuth install flow, Theme App Extensions / App Embed Blocks - shopify backend developer.
🟢 Translating Figma, HTML designs into a polished, high-converting Shopify store and storefronts
🟢 Shopify Plus development, with significant checkout customization for B2B companies and brands
🟢 Shopify Plus developer - custom Shopify app development, Shopify Functions, Shopify customer account extensibility and API integration experience
🟢 Deep experience in theme customizations using Liquid, HTML, CSS, and JavaScript skills
🟢 Custom theme development and Shopify UX improvements based on Figma designs
🟢 Homepage, Product Page, supporting pages optimization and refinement for better Shopify marketing - theme customization as well - not an industrial designer
🟢 Shopify website configuration expert - subscriptions, Klaviyo email marketing, Judge.me, Loox review apps, Shopify dropshipping setup, payment integration and checkout, quiz apps (Octane AI, Shop Quiz), Google Analytics 4, Meta Pixel & Conversion API, google ads, inventory management, kajabi, etsy store migration.
Shopify developer, Shopify web development, Shopify developer speed - 10x boost, shopify speed optimization, Shopify SEO, checkout customization, and Shopify 2.0 sections and blocks. With Wordpress shopify developer background, I handle end-to-end Shopify migrations including WooCommerce to Shopify migration (not fintech / odoo)
Please DM me or send an invite to proceed!
Associated with
DevIT
$6M+
earned