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$20/hr
100%
Job Success
$40K+ earned
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Hi, I'm highly responsive and excellent at communication, ensuring smooth collaboration and timely updates. With over 7 years of experience building high-performance, scalable web and cross-platform applications. I’ve completed 50+ projects, reducing development costs by up to 40% for my clients! With expertise in modern languages, I deliver quality work that pays off.
🔹 Tech Stack & Expertise
🌍 Frontend: React.js, Next.js, Vue.js, Tailwind CSS, Bootstrap, jQuery, JavaScript, PHP
🛠 Backend: Node.js, Django, Flask, FastAPI, Python, TypeScript, GrapeJS, Odoo, AngularJS
📱 Hybrid Apps: React Native, Flutter, Ionic, Cordova
🗄 Databases & Cloud: PostgreSQL, MySQL, MongoDB, GraphQL, ElasticSearch, AWS, Microsoft Azure
🛠 DevOps & Project Management: Docker, GitHub, GitLab, Bitbucket, Jira, Trello, VS Code
💡 Why Work With Me?
✅ Upwork-Approved Freelancer – Trusted by businesses worldwide
✅ Expert in Frontend & Backend – Next.js, React, Node.js, Python, TypeScript & more
✅ Scalable & Optimized Solutions – Fast-loading, secure, and maintainable applications
✅ Agile & Collaborative – Strong problem-solving skills and clear communication
✅ On-Time Delivery & Support – Dedicated to ensuring success beyond project completion
🏆 Industries I've Worked With:
💼 SaaS | 🏡 Real Estate | 📱 Mobile Apps | 🤖 AI & ML | 📊 CRM & HRM
📩 Let’s Build Something Amazing!
I’m available full-time (9 AM - 7 PM EST/CST) and open to short- & long-term projects. Let’s discuss how I can bring your vision to life! Send me an invite, and let’s talk.
$30/hr
97%
Job Success
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Overview / Description:
🚀 Top-Rated Upwork Freelancer | 7+ Years in Python, AI & Automation 🚀
I help businesses automate workflows, extract insights, and build AI-powered solutions. From web scraping to LLM chatbots, I deliver **fast, reliable, and impactful results.
💡 What I Can Do for You:
* AI & LLM Solutions: Custom GPT assistants, LangChain apps, prompt engineering, chatbots that think and automate.
* Web Scraping & Automation: Scrape e-commerce sites, extract data, and build pipelines that save hours of manual work.
* Backend & API Development: Python, Django, Flask, FastAPI - scalable, secure, and maintainable APIs.
* Data & Analytics: Data cleaning, EDA, sentiment analysis, predictive models, dashboards with actionable insights.
* Cloud & Deployment: AWS, GCP, Azure, Docker, CI/CD pipelines for smooth production deployment.
📊 Proven Results:
* Built web scraping pipelines handling 50k+ records per day
* Developed AI chatbots that improved user engagement by 30%
* Delivered automation tools that saved clients 10–20 hours/week
💬 Why Clients Hire Me:
* Clear, fast communication & reliable delivery
* Problem-solving approach focused on your business goals
* 7+ years of Upwork success with repeat clients
📩 Let’s solve your automation or AI challenge together. Message me to discuss your project and see results fast.
Hussain M.
has worked
.
$25/hr
100%
Job Success
$10K+ earned
Available now
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I am a backend engineer with 7+ years of experience building fast, reliable, and scalable systems. I specialize in Python, FastAPI, Django, AI integration, and workflow automation, helping teams ship production-ready products that perform under real load.
🛠 What I Can Do for You
• Backend development: FastAPI, Django, microservices, REST & GraphQL APIs
• AI integration: LLMs, workflow automation, predictive analytics, chatbots
• Automation & Ops: Data pipelines, task scheduling, background jobs, internal tools
• Performance & reliability: Optimized DB schemas, caching strategies, async Python
• DevOps & Cloud: Docker, Kubernetes, CI/CD pipelines, AWS/GCP deployment
📂 Experience Highlights
• Built a digital signing system with AI-assisted workflows, streaming responses, persistent chat history, and secure messaging, serving 10k+ daily users
• Delivered backend workflows for agent onboarding, device registration, payments, and inventory, with automated user and organization management
• Developed subscription & payment modules with credit billing, monthly/annual plans, and fully automated admin processes
• Managed backend architecture for payments, patient management, and integrations, ensuring 99.9% uptime and smooth background job processing
• Migrated production microservices to FastAPI, improving performance by 40%, and optimized database schemas, deployment pipelines, and automation
🏢 Industries I’ve Worked With
• Fintech: payments, subscriptions, secure APIs
• SaaS: scalable platforms, internal automation
• Healthcare: patient management, HIPAA-compliant systems
• IoT: device workflows, real-time data pipelines
• Enterprise Platforms: high-performance backend systems
📞 Why Work With Me
• Build production-ready systems
• Integrate AI to streamline workflows
• Automate operations and pipelines
• Improve performance and scalability
• Respond fast, deliver clean code, and make your backend work smarter, not harder
• Available for immediate projects and long-term collaborations
Keywords:
Python Backend Developer | FastAPI | Django | REST API Development | Microservices Architecture | AI Integration | Workflow Automation | Background Jobs & Task Scheduling | Async Python | Cloud Deployment (AWS / GCP) | CI/CD & DevOps | Database Optimization & Design | Payment & Subscription Backend | ETL & Data Pipelines | Webhook & Secure API Integration
Associated with
Code Graphers
$100K+
earned
$35/hr
100%
Job Success
$20K+ earned
Available now
Offers consultations
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I build production backends and scrapers that stay stable under load. I have migrated legacy systems, scaled APIs beyond 3,000 active users and 7M+ records, and built async data pipelines that process about 35,000 businesses in 9 minutes for roughly $0.25 in compute. I also build custom scrapers and crawling pipelines that turn dynamic and protected websites into structured data.
If you need someone who owns the backend and reliably extracts data from the web, I focus on performance, failure cases, anti bot systems, and cost from day one.
What I do, backend and APIs:
• Design and build REST APIs with FastAPI and Django, sync and async
• Architect microservices and background processing with Celery, Redis, Kafka, RabbitMQ
• Implement secure authentication with JWT, OAuth2, Argon2id, Supabase Auth, and role based access
• Optimize databases with PostgreSQL, SQLAlchemy, Supabase, Redis caching, and query tuning
• Integrate payments and webhooks with Stripe and other providers
• Deliver clean, tested, maintainable code
What I do, web scraping and automation:
• Build Python scrapers with requests, BeautifulSoup, Selenium, Playwright, Scrapy, undetected chromedriver, proxy rotation
• Handle both simple static sites and JavaScript heavy SPAs
• Bypass anti bot measures including Cloudflare, reCAPTCHA, hCaptcha and similar shields
• Use undetected headless browsers, 2captcha and CapSolver, and human like behavior to stay under the radar
• Scrape social platforms and restricted APIs, including Twitter via TwiKit and reverse engineered endpoints
• When there is no public API, extract data directly from the web
Asynchronous and scalable crawling:
• Use asyncio, aiohttp, asyncio.gather and asyncio.Lock for high volume scraping
• Crawl thousands of pages concurrently for e commerce price monitoring and large scale data collection
• Run long lived workflows with attention to efficiency and stability
Data processing and delivery:
• Clean and structure results into CSV, Excel, JSON, or direct database writes
• Integrate outputs into existing systems or dashboards
• Set up scheduled jobs so your data stays up to date
Applied AI and automation:
• Integrate OpenAI models such as GPT 4, GPT 4o mini, and GPT 5 mini into real products
• Build scoring, classification, and enrichment pipelines with Langfuse observability
• Add AI on top of ETL for cleaning, deduplication, routing, prioritization, and decision logic
• Implement chatbots, assistants, and business intelligence features powered by LLMs
• Embed GPT or custom models into scraping flows to classify content, auto fill forms, and make on the fly decisions
Selected results, influencer discovery API (Instagram, TikTok, YouTube):
• Migrated the service from Flask to FastAPI with a full sync to async refactor
• Recovered many previously broken endpoints and platforms
• Scaled the system to more than 7M database records and around 3,000 active users
• Added Celery task queues on Redis and GPT based content scoring with Langfuse monitoring
Selected results, Google Maps business intelligence backend:
• Processes about 35,000 businesses in 9 minutes using two level async parallelism
• Uses aiohttp, asyncio.gather and asyncio.Lock to avoid race conditions and keep the database stable
• Includes JWT and OAuth2 auth, Argon2id password hashing, a simple CRM for contacts and follow ups, and CSV export
Previous projects:
• Django REST backends with Stripe payments, webhooks, and admin tools
• Automation and scraping systems with Selenium, Playwright, undetected chromedriver, rotating proxies, 2captcha and CapSolver
• Backend automation for Web3 and social platforms with Discord and Twitter API integrations
Tech stack I am confident owning:
• Backend: Python 3.10+, FastAPI, Django, Flask, Django REST Framework
• Async and messaging: asyncio, aiohttp, Celery, Redis, Kafka, RabbitMQ
• Databases: PostgreSQL, Supabase, SQLite, SQLAlchemy ORM
• Auth and security: JWT, OAuth2, Argon2, Supabase Auth, cryptography
• AI and monitoring: OpenAI API, Langfuse, OpenTelemetry
• Scraping and automation: requests, BeautifulSoup, Selenium, Playwright, Scrapy, undetected chromedriver, TwiKit, 2captcha, CapSolver, proxy infrastructure
• DevOps: Docker, Docker Compose, GitHub Actions, Linux
You should contact me if:
• You need a backend for an AI product, SaaS platform, data heavy API, or large scale scraping system
• You want to migrate from Flask or legacy Django views to FastAPI or DRF with async where it actually helps
• You want AI powered scoring, enrichment, or automation built directly into your backend and scrapers
• You care about clean, maintainable code with tests, clear structure, and predictable behavior
If you have a concrete problem, send me a short description and I will tell you what I can build for it and how I would approach it.
Mykola K.
has worked
.
$15/hr
100%
Job Success
$40K+ earned
Start of list.
End of list.
I am a Senior Backend Developer and Automation Engineer with 6+ years of experience specializing in Python. I don't just write code; I build resilient, scalable systems that save time, handle massive amounts of data, and integrate cutting-edge technologies.
Whether you need a high-performance REST API built from scratch, a complex data pipeline capable of handling millions of e-commerce products, or the deployment of distributed AI models on cloud GPUs, I have the expertise to deliver it securely and efficiently.
🚀 What I Can Do For Your Business:
High-Performance Backend Architecture: Expert-level API development using FastAPI (asynchronous, highly scalable), Django, and Flask. I design microservices and monolithic architectures tailored to your exact load requirements.
Heavyweight ETL & E-commerce Automations: Engineered highly optimized data pipelines. I have successfully managed ETL (Extract, Transform, Load) processes for Shopify stores with over 1 Million+ products, ensuring seamless inventory and data synchronization.
CRM & Workflow Automation: Extensive experience managing and creating custom automations within GoHighLevel (GHL) to streamline sales funnels and client acquisition.
AI/ML Infrastructure & Integrations: I bridge the gap between AI research and production. I build distributed infrastructures to run AI models and configure generative AI tools like Stable Diffusion for specialized tasks (AI QR codes, face swapping, image generation).
Advanced Python Capabilities: As a Python expert, my skills extend to complex web scraping, data analysis (using Pandas), asynchronous programming (Asyncio), and writing custom automation scripts to replace tedious manual workflows.
Web3 & Custom Bots: End-to-end development of Blockchain DApps, as well as highly interactive custom bots for Discord and Twitter/X.
Seamless Third-Party Integrations: Expertise in implementing robust payment gateways like Stripe, alongside custom webhooks and third-party REST/GraphQL APIs.
🛠️ My Tech Stack & DevOps Arsenal:
Languages & Frameworks: Python, FastAPI, Django, Flask, Pandas.
Cloud & DevOps (AWS Expert): Deploying and managing infrastructure on AWS, including EC2 (specifically GPU instances for AI), S3, ECR, Route53, and Serverless architectures via AWS Lambda.
Infrastructure as Code (IaC) & Containerization: Pulumi, Docker, CI/CD pipelines.
🏆 Highlighted Past Projects:
Distributed AI Network: Led the architecture and creation of a distributed backend infrastructure designed to run and scale complex AI models efficiently across multiple nodes.
Enterprise E-commerce ETL: Designed and maintained an automation pipeline processing data for over 1,000,000+ Shopify products without bottlenecks.
Generative AI Workflows: Configured and deployed Stable Diffusion environments to generate custom, high-fidelity outputs like dynamic QR codes and seamless face swaps.
I pride myself on clean, well-documented code and transparent communication throughout the project lifecycle. Let’s connect to discuss how my backend and automation expertise can solve your most complex technical challenges.
$30/hr
100%
Job Success
$50K+ earned
Available now
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Hi 👋
I help companies move beyond AI prototypes and build production-ready systems, especially AI Agent solutions, RAG pipelines, and LLM-powered automations that actually work in real-world environments.
Recently, I built a RAG-based AI Agent that indexed thousands of documents and enabled fast, accurate semantic search across internal data, significantly improving how teams access and use information.
𝐖𝐡𝐚𝐭 𝐈 𝐭𝐲𝐩𝐢𝐜𝐚𝐥𝐥𝐲 𝐛𝐮𝐢𝐥𝐝:
AI Agent systems that automate workflows end-to-end
Intelligent AI Agent pipelines with reliable retrieval (RAG)
FastAPI-based backends powering AI Agent applications
Scalable AI Agent integrations across APIs, databases, and cloud systems
𝐇𝐨𝐰 𝐈 𝐰𝐨𝐫𝐤:
I handle development directly (no outsourcing) and follow strict confidentiality and code ownership practices.
My focus is on delivering systems that are accurate, maintainable, and production-ready, not just demos.
𝐓𝐞𝐜𝐡 𝐬𝐭𝐚𝐜𝐤: Python, FastAPI, LangChain, OpenAI/Claude APIs, vector DBs, AWS/GCP, Docker
If you're looking to build or scale an AI Agent system that actually performs in production, happy to connect and discuss.
Namrah F.
has worked
.
$35/hr
97%
Job Success
$100K+ earned
Available now
Offers consultations
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I build and stabilize AI automation, agents, and full stack SaaS products that need to work reliably in production, not just in demos.
I’ve shipped and scaled systems for founders from Y Combinator, Founders Factory, FutureLabs, and Republic of Work. Founders I’ve built with have gone on to raise €2M+, and my AWS/serverless work ranks in the top 0.2% for DevOps.
A few results:
⚡ Multi-tenant SaaS with 28% faster integrations
⚡ Serverless system running under 200ms latency at 10K+ users
⚡ AI RAG system improving support efficiency by 45%
⚡ Next.js migration reducing hosting costs by 15%
⚡ SaaS MVPs shipped to production, with founders raising after launch
A lot of products today get built quickly with Cursor, Lovable, Bolt, Claude Code, or an early freelance team. Then real users arrive.
That’s when the problems show up: messy code, fragile backends, AI features that worked in the demo but fail in production, scaling bottlenecks, unreliable automations, and rising AWS costs.
I help turn that into a production-ready system with clean architecture, a solid backend, reliable AI behavior, and room to scale. I also build new products properly from idea to MVP to production.
What I can help with:
* AI agents, chatbots, and AI voice agents
* Workflow automation and business process automation using n8n, Make, Zapier, and APIs
* Production RAG, LLM, and knowledge-based systems
* Full-stack SaaS development with Next.js, React, Node.js, TypeScript, JavaScript, and Python
* Backend systems, REST APIs, third-party integrations, and multi-tenant architecture
* PostgreSQL, Supabase, Stripe, AWS, serverless, performance, and cost optimization
* Stabilizing fragile or AI-built MVPs before they become technical debt
How I work:
We can start small. Send me your app URL, repo, or brief with a short note on the problem. I’ll review the likely bottlenecks, scaling risks, reliability issues, and what I would fix first before you commit to anything bigger.
From there, I can take technical ownership of the build: architecture, backend, integrations, AI systems, delivery, and the parts that usually stall.
I work best with:
* Funded startups starting with or moving beyond MVP
* SaaS teams hitting scaling, reliability, or cost issues
* Founders who want a senior engineer to take ownership, not just ship tickets
I’m probably not the right fit if you’re looking for the cheapest possible build. I’m a fit when the product matters, users depend on it, and it has to work.
Tech I work with often:
Python, JavaScript, TypeScript, React, Next.js, Node.js, AWS, Supabase, PostgreSQL, Stripe, serverless, OpenAI, Claude, Gemini, RAG, LangChain, AI agents, n8n, Make, Zapier, automation, and APIs.
If your product was built fast and now needs to work properly, or you want it built right from the start, send me the repo, app, or brief, and I’ll tell you what I’d fix first.
Ehtasham A.
has worked
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Associated with
Zenveus
$100K+
earned
$25/hr
100%
Job Success
$300K+ earned
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I am a prolific Full-Stack Developer specialized in Python Django with 14+ years of hands-on experience in designing, developing, and implementing applications and solutions using a range of technologies and programming languages.
I am a responsible developer confident in my code and also among the Top 10 Certified Python/Django Developer as per Upwork Test.
CORE COMPETENCIES:
===================
Back-end Technologies:
•Python •Django •Flask
Front-end Technologies
•Angular •React
Search and Analytics:
•ElasticSearch
Async Communication Platform:
•Socket.io
Event Streaming Platform:
•Apache Kafka
Web Crawling Technologies:
•Scrapy
Test Automation Technologies
•Selenium
Workflow:
•Airflow
Cloud Data Platform:
•Databricks
Databse Technologies:
•Postgresql •MySQL •MongoDB
Cloud Computing Services:
•AWS •GCP •Heroku
JS Libraries
•D3.js •amCharts •HighCharts •Jqchar •NVD3 •Google-Chart
Payment Gateways
•Citrus •Stripe
Web Servers:
•Nginx •Gunicorn •Superisord •Apache
Version Control System
•Git
KEY PROJECTS:
=============
•Price
--------
AI-powered money savings app for advanced comparison shopping.
•Moveeasy
---------------
Platform that allows custmers a personalized moving experience.
•Healthywage
-----------------
For-profit health and wellness company website that provides weight loss and fitness challenges with cash prizes
.•Verifiny
-----------
Highly secure system that replaces paper-based processes designed for the New York DMV.
•FoPark
----------
Next-generation parking solution that provides real-time occupany information for parking decks and surface lots.
I consider myself as the right choice for you because I have the potentiality to merge usability and user experience with technical knowledge to create a wonderful digital experience.
I expect that your fine judgment will be able to pick me up from the rest.
Jayapal D.
has worked
.
$25/hr
100%
Job Success
$7K+ earned
Available now
Offers consultations
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AI systems should do more than just look impressive. They should automate workflows, improve decisions, and create measurable business value.
I’m an AI Automation Engineer with 5+ years of experience building AI agents, workflow automation systems, and production-grade Python applications.
I help startups and businesses automate operations using Python, n8n, FastAPI, RAG pipelines, OpenAI, LangChain, Django, and LLM-powered agent systems.
𝗥𝗲𝗰𝗲𝗻𝘁 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗶𝗻𝗰𝗹𝘂𝗱𝗲:
⤷ AI-powered workflow automation systems
⤷ Custom GPT and LLM integrations
⤷ Backend APIs and SaaS platforms
⤷ Web scraping and data extraction pipelines
⤷ Time-series analytics and AWS-based systems
⤷ Internal AI tools and business process automation
𝐖𝐡𝐚𝐭 𝐈 𝐜𝐚𝐧 𝐡𝐞𝐥𝐩 𝐲𝐨𝐮 𝐰𝐢𝐭𝐡:
⤷ AI Automation & AI Agents
⤷ OpenAI / GPT Integrations
⤷ LangChain & LLM Applications
⤷ Python Backend Development (FastAPI, Django, Flask)
⤷ REST APIs & SaaS Architectures
⤷ Web Scraping & Data Pipelines
⤷ PostgreSQL, Redis, Celery, Docker, AWS
⤷ Deployment, Scaling & Performance Optimization
Python & AI Automation Stack
Python · FastAPI · LangChain · LangGraph · OpenAI · Anthropic Claude · n8n · PostgreSQL · Redis · ChromaDB · Docker · AWS · Supabase · Celery · RabbitMQ
💬 Why Clients Hire Me for AI Automation
⤷ Top-rated 5-star developer
⤷ Smooth communication and fast turnaround
⤷ Focused on long-term collaboration and clean code
Whether you need an AI MVP, AI agent, Python backend, automation platform, or custom AI workflow, I can help turn your idea into a reliable production-ready product.
📈 Let's build your next AI automation solution with performance, stability, and future scale in mind.
📩 Message me to discuss your project.
Also searched as: FastAPI developer, LangChain engineer, LangGraph developer, AI agent developer, n8n developer, RAG developer, agentic AI engineer, Python automation engineer, OpenAI integration developer, AI workflow automation engineer, backend API developer, LLM application developer, Python backend engineer, multi-agent system developer, n8n automation specialist, LangChain RAG developer, FastAPI backend developer, AI agent builder.
Bilal H.
has worked
.
$20/hr
100%
Job Success
$90K+ earned
Available now
Start of list.
End of list.
Top Rated Freelancer | $90K+ Earned | 8+ Years of Experience
I am a senior Full-Stack Developer and AI Engineer with 8+ years of experience building scalable web applications, SaaS products, APIs, automation systems, and AI-powered solutions for startups, enterprises, and growing businesses.
My expertise spans the complete product development lifecycle from architecture and backend development to frontend implementation, cloud deployment, and AI integration. I specialize in creating high-performance, production-ready applications that are scalable, secure, and designed for long-term growth.
Core Technologies & Expertise
• Backend Development: Django, FastAPI, Node.js, REST APIs, Microservices
• Frontend Development: React.js, Next.js, JavaScript, TypeScript
• Databases & Backend Services: PostgreSQL, MySQL, MongoDB, Supabase
• AI & Automation: ChatGPT, Claude, Gemini, AI Agents, Agentic AI Workflows, LLM Integrations
• Cloud & DevOps: AWS, Azure, Docker, CI/CD, Cloud Deployment
• SaaS Product Development: Multi-tenant architectures, dashboards, subscription systems, admin panels
• Mobile & Web Applications: End-to-end application development and API integrations
What I Build
• Custom SaaS platforms and business applications
• AI-powered web and mobile applications
• Django and FastAPI backend systems
• React and Next.js frontends
• Supabase-powered applications and real-time systems
• API development and third-party integrations
• AI agents and intelligent automation workflows
• Internal business tools and enterprise solutions
• Scalable cloud-native applications
Selected Experience
• Built AI-powered healthcare platforms with intelligent appointment booking and doctor recommendation systems.
• Developed SaaS products using Django, React, Next.js, and cloud infrastructure.
• Created automation systems that reduce manual work through AI-driven workflows and backend integrations.
• Delivered full-stack applications combining modern frontend frameworks, scalable APIs, databases, and cloud deployments.
• Integrated LLMs including ChatGPT, Claude, and Gemini into production applications for customer support, workflow automation, content generation, and decision support systems.
I focus on delivering clean architecture, maintainable code, strong performance, and solutions that create measurable business value. Whether you need a modern SaaS platform, a scalable backend, a React/Next.js frontend, a Supabase-powered application, or an AI-enabled product, I can help turn your idea into a reliable production-ready solution.
I am available 50+ hours per week, flexible across time zones, and committed to clear communication with consistent progress updates throughout the project.
Mukesh K.
has worked
.
Associated with
inxenuity