I help startups and businesses build scalable SaaS applications, custom web platforms, and API-driven systems using Next.js, React, Node.js, and TypeScript.
With 11+ years of experience and a 100% Job Success score on Upwork, I specialize in developing high-performance applications that are fast, maintainable, and built for long-term scalability.
My expertise includes:
• SaaS application development
• Full-stack JavaScript development
• Next.js & React applications
• Node.js backend systems
• REST APIs & GraphQL APIs
• Authentication & authorization systems
• Stripe integrations & payment workflows
• Shopify custom applications
• Dashboard & admin panel development
• MongoDB & PostgreSQL
• Performance optimization
• Scalable application architecture
I have worked with startups, agencies, and growing businesses to build:
• SaaS products
• eCommerce systems
• Internal business platforms
• Multi-user dashboards
• API integrations
• Custom workflows
• Headless commerce applications
Tech Stack:
Next.js, React, TypeScript, Node.js, Express.js, MongoDB, PostgreSQL, GraphQL, REST APIs, Shopify, Tailwind CSS, AWS, Vercel
Why clients work with me:
• Strong communication
• Clean and maintainable code
• Long-term reliability
• Fast turnaround
• Business-focused development approach
If you need a reliable full-stack engineer who can build scalable and modern applications, feel free to invite me to your project.
Next.js
React
Node.js
TypeScript
JavaScript
SaaS Development
REST API
GraphQL
MongoDB
PostgreSQL
Tailwind CSS
ExpressJS
MySQL
Full-Stack Development
Performance Optimization
Multi-Factor Authentication
Shopify
React Native
Material UI
Supabase
Aazar S.
Indore, India
$12/hr
5.0
4 jobs
𝗜 𝗯𝘂𝗶𝗹𝗱 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻-𝗿𝗲𝗮𝗱𝘆 𝗔𝗜 𝗮𝗻𝗱 𝗟𝗟𝗠 𝘀𝘆𝘀𝘁𝗲𝗺𝘀 𝘁𝗵𝗮𝘁 𝘁𝘂𝗿𝗻 𝗰𝗼𝗺𝗽𝗹𝗲𝘅 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗽𝗿𝗼𝗰𝗲𝘀𝘀𝗲𝘀 𝗶𝗻𝘁𝗼 𝗿𝗲𝗹𝗶𝗮𝗯𝗹𝗲, 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝘀𝗼𝗳𝘁𝘄𝗮𝗿𝗲.
From AI agents and RAG systems to LLM integrations, automation, model deployment, and backend infrastructure, I help businesses move from an AI idea or prototype to a system that actually works in production.
𝗪𝗵𝗮𝘁 𝗜 𝗰𝗮𝗻 𝗯𝘂𝗶𝗹𝗱 𝗳𝗼𝗿 𝘆𝗼𝘂:
• Agentic AI applications and AI copilots
• Multi-agent systems and tool-calling workflows
• RAG systems with vector + keyword search
• Enterprise knowledge bases and document intelligence
• MCP servers and integrations
• AI workflow automation and business process automation
• Custom LLM applications using OpenAI, Anthropic, Gemini, and open-source models
• AI APIs and FastAPI backends
• LLM evaluation, testing, monitoring, and optimization
• Self-hosted LLM deployment and inference infrastructure
• Cloud AI infrastructure with Docker, Kubernetes, AWS, and CI/CD
• LLM fine-tuning, PEFT/LoRA, and domain adaptation
• Machine learning and deep learning solutions
• Predictive analytics, recommendation systems, forecasting, and anomaly detection
• Python backend development, APIs, data pipelines, and automation
For production AI systems, I can also handle the engineering behind the model: authentication, APIs, databases, async processing, queues, caching, monitoring, deployment, scalability, and cost optimization.
𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗛𝗶𝗿𝗲 𝗠𝗲
•𝗘𝗻𝗱-𝘁𝗼-𝗲𝗻𝗱 𝗔𝗜 𝗲𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 — From LLMs and RAG to APIs, integrations, deployment, and monitoring.
• 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀-𝗳𝗼𝗰𝘂𝘀𝗲𝗱 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 — I build AI systems around your actual workflow, goals, and requirements.
• 𝗣𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻-𝗿𝗲𝗮𝗱𝘆 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁— Focused on reliability, scalability, security, performance, and cost.
• 𝗜𝗱𝗲𝗮 𝘁𝗼 𝗱𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 — I can take your AI concept, improve an existing prototype, or build the complete system from scratch.
𝗠𝗼𝘀𝘁 𝗦𝗲𝗮𝗿𝗰𝗵𝗲𝗱 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀
AI Engineer, AI Developer, LLM Engineer, LLM Developer, Generative AI, AI Agent Development, AI Agents, Agentic AI, RAG, RAG Development, LLM Applications, AI Automation, AI Chatbot, Custom AI Solutions, OpenAI, Python, FastAPI
𝗛𝗮𝘃𝗲 𝗮𝗻 𝗔𝗜 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝗶𝗻 𝗺𝗶𝗻𝗱? 𝗟𝗲𝘁'𝘀 𝗱𝗶𝘀𝗰𝘂𝘀𝘀 𝘆𝗼𝘂𝗿 𝗿𝗲𝗾𝘂𝗶𝗿𝗲𝗺𝗲𝗻𝘁𝘀 𝗮𝗻𝗱 𝗯𝘂𝗶𝗹𝗱 𝘁𝗵𝗲 𝗿𝗶𝗴𝗵𝘁 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻.
If you already have an AI product, prototype, workflow, or technical challenge in mind, send me the details. I can help you define the right architecture and turn it into a working solution.
Best Regards,
Aazar S.
Python
TensorFlow
Python Scikit-Learn
C++
NumPy
pandas
Machine Learning
Deep Learning
SQL
Deep Neural Network
Linux
Python Script
Django
Web Development
JavaScript
AI Bot
AI Chatbot
AI Model Training
AI Security
AI Marketplace
Abhishek A.
Indore, India
$15/hr
5.0
21 jobs
100% JSS | $3K+ Earned. I fix broken PHP, wordpress code, build secure custom API layers, Build Scalable Custom Web Applications and configure high-traffic Linux server environments.
Instead of hiring a separate developer and sysadmin who blame each other when a site crashes, I handle the code and the infrastructure simultaneously.
🛠️ TECHNICAL STACK & CAPABILITIES:
• PHP Frameworks: Clean MVC architecture using Laravel and CodeIgniter.
Legacy script debugging and upgrading old PHP versions.
• Databases & Async: MySQL database schema design, index optimization for slow queries, and real-time AJAX workflows.
• APIs: Building secure RESTful endpoints from scratch and integrating third-party systems via webhooks (Stripe, Twilio, CRMs).
• WordPress Core: Custom theme/plugin development from scratch without heavy page-builder bloat. WooCommerce optimization.
• Server Admin / DevOps: Bare-metal Linux (Ubuntu/Debian) configuration on AWS EC2, DigitalOcean Droplets, or Linode. Nginx/Apache reverse proxies, Redis caching, and automated SSL termination.
📦 EXACT ISSUES I SOLVE FOR CLIENTS:
• "My website is throwing 500 Internal Server Errors under high traffic."
• "I need a secure, custom API to sync our database with an external application."
• "Our WordPress site is slow and failing Core Web Vitals."
• "We need to migrate a production app to a clean, hardened VPS without losing data."
● Customized 100s of Codecanyon script and fixed bugs, Varient Scrip, Infinite Script, Modest Script, 6valley Script, Magic AI, Bictypto Crypto Script, etc..
No agency overhead. No generic templates. Just clean code and optimized servers.
Click "Invite to Job" and let's look at your repository or server logs.
PHP
Laravel
CodeIgniter
WordPress
MySQL
JavaScript
Linux System Administration
Web Hosting
cPanel
Cloudflare
Technical SEO
Website Migration
Website Optimization
API Integration
Server Administration
Malware Removal
WordPress Migration
DNS
Mail Server Implementation
Email Deliverability
Neha T.
Indore, India
$9/hr
4.2
139 jobs
I’m a Senior WordPress Developer with 12+ years of experience in web development and software development, specializing in WordPress, Elementor, Divi, WP Engine, website troubleshooting, bug fixes, and customizations.
I help businesses build, maintain, troubleshoot, and improve WordPress websites. Whether you have a broken layout, responsive issue, plugin conflict, CSS/JavaScript problem, Elementor or Divi issue, WP Engine hosting issue, or need a custom website update, I can identify the problem and implement a reliable solution.
My key expertise:
1. WordPress development & troubleshooting
2. Elementor & Elementor Pro
3. Divi Builder & Divi Theme
4. WP Engine
5. Website customization and maintenance
6. Bug fixing and error troubleshooting
7. Responsive & mobile issues
8. CSS, JavaScript & jQuery
9. PHP & MySQL
10. Plugin & theme conflicts
11. WordPress errors and broken layouts
12. Website performance, caching & optimization
13. WP Engine website management and troubleshooting
14. API and third-party integrations
15. Joomla and Magento
16. Git, Bitbucket and Jira
I have developed and maintained a wide range of websites and have worked on projects using short development iterations, typically 1–2 weeks. I’m comfortable working with existing websites, understanding unfamiliar codebases, troubleshooting complex issues, and implementing changes without disrupting existing functionality.
I focus on finding the root cause of an issue rather than applying temporary fixes. I communicate clearly, pay attention to detail, and make sure changes are properly tested across desktop, tablet, and mobile devices.
If you need an experienced WordPress developer for Elementor, Divi, WP Engine, troubleshooting, customization, maintenance, or ongoing website support, I’d be happy to help.
In essence, I provide high-quality code, perfect feedback and above all value the client's needs and requirements.
PHP
HTML5
HTML Newsletter
Magento
Web Hosting
Shopify
cPanel
PSD to HTML
PSD to WordPress
Joomla
WordPress
CSS 3
Drupal
GoDaddy
Aditi N.
Indore, India
$15/hr
5.0
9 jobs
I help businesses automate operations using AI Agents, Agentic AI systems, and intelligent workflow automation. I build AI-powered solutions that automate repetitive tasks, streamline business processes, connect multiple applications, and enable organizations to work faster with less manual effort.
Whether you need an AI customer support assistant, AI-powered lead qualification, workflow automation, document processing, or a multi-agent system, I can design and build scalable, production-ready solutions tailored to your business.
AI Agent Development
• AI Agents & Agentic AI Systems
• Multi-Agent Systems
• LangGraph Development
• LangChain Applications
• Retrieval-Augmented Generation (RAG)
• AI Knowledge Assistants
• AI Customer Support Agents
• AI Sales & Lead Qualification Agents
• AI Voice Agents
• AI Chatbots
• AI Email Assistants
AI Automation & Workflow Integration
• n8n Workflow Automation
• Make Automation
• Zapier Automation
• CRM Automation
• HubSpot Integration
• GoHighLevel (GHL) Automation
• Slack Automation
• Microsoft Teams Automation
• WhatsApp Business API
• Twilio Integration
• Gmail & Outlook Automation
• Google Workspace Automation
• REST APIs
• Webhooks
• Third-Party API Integration
LLMs & AI Technologies
• OpenAI (GPT-4.1, GPT-4o)
• Anthropic Claude
• Google Gemini
• Llama Models
• LangGraph
• LangChain
• LlamaIndex
• MCP (Model Context Protocol)
• Vector Databases (Pinecone, Qdrant, ChromaDB)
• Prompt Engineering
• AI Memory & Context Management
Backend & Cloud
• Python
• FastAPI
• Django
• PostgreSQL
• Redis
• Docker
• AWS
• Azure
• Git & GitHub
Solutions I Build
• AI Workflow Automation Systems
• AI Customer Support Platforms
• AI Knowledge Base Assistants
• AI Document Processing Pipelines
• AI Sales Automation
• CRM Automation Solutions
• Internal Business AI Assistants
• AI-Powered Email Automation
• AI Scheduling & Task Automation
• AI Lead Qualification Systems
• AI Voice Automation
• End-to-End Agentic AI Platforms
What You Can Expect
Production-ready AI solutions
Clean, scalable architecture
Secure API integrations
Reliable workflow automation
Fast communication and regular updates
Long-term support and maintenance
I focus on building AI solutions that don't just demonstrate AI capabilities they solve real business problems. From automating internal operations to deploying intelligent AI agents that integrate with your existing tools, I deliver solutions that improve efficiency, reduce manual work, and scale with your business.
If you're looking for an AI Automation Engineer who specializes in AI Agents, Agentic AI, Workflow Automation, LangGraph, n8n, RAG, and AI Integrations, I'd be happy to help bring your project to life.
Artificial Intelligence
Mobile App
App Development
Android App Development
Web Application
Web Development
Product Development
Siddharth S.
Indore, India
$20/hr
4.9
309 jobs
"Successful 270+ Upwork Projects & 2000+ hours, Countless Success Stories - Let's Build Yours Today!"
ABOUT ME - I am a WordPress Developer, Certified US-IT Recruiter & Experienced Content Writer, having exceptional skills in Open Source Technologies and CMS especially in PHP, Word-press, Shopify, Joomla, WebFlow, Wix, HTML, CSS, Bootstrap, Jquery with 8 years of good working relationship with onshore and offshore clients.
As a skilled WordPress developer and experienced content writer, I specialize in crafting responsive and dynamic websites that enhance the online presence of businesses and individuals. With a keen eye for detail and a deep understanding of SEO principles, I am committed to delivering high-quality and engaging content that ranks well in search engine results pages (SERPs). Whether you need a custom WordPress theme, website redesign, or SEO-optimized content, I can help you achieve your digital goals and drive traffic to your site. Let's work together to bring your vision to life and grow your online presence.
My Qualities and Experiences are -
1. Develop and execute a solution strategy and business plan that support product growth.
2. Survey the market landscape for solution insights, direction, vendors, and methods.
3. Lead development of formalized solution methodologies.
4. Interface and coordinate tasks with internal and external technical resources. Collaborates with Project leads to provision estimates, develop overall implementation solution plan, and serves as lead as required, to implement installation, customization, and integration efforts.
5. Assists staffing coordinators who define project team requirements for projects in the solution area.
6. Mentor and guide more junior technical resources.
7. Help business development life cycle by identifying and qualify business development opportunities.
8. Manages technical activities for the service offering.
9. Research and Identify new technology domains for the service.
Thanks
Sid
WordPress
WordPress Theme
CSS
HTML
WordPress Website
Website Content
Technical Writing
Social Media Content
Staff Recruitment & Management
Copywriting
SEO Writing
Content Writing
Blog Writing
Project Management
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