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Hassan R.
$45/hr
100% Job Success
$10K+ earned
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🚀 AI Consultant & Python Engineer | LLM Integration | Automation | Django & FastAPI I help startups and businesses unlock real ROI from AI — not just hype. With 5+ years of hands-on experience in Python, Django, FastAPI, and machine learning, I've shipped production-grade AI systems across EdTech, AgriTech, HR, and e-commerce. 💡 What I bring to the table: • AI & LLM Integration (OpenAI, LangChain, RAG pipelines, Agents) • Full-Stack Python Development (Django, FastAPI, Flask, REST APIs) • Data Engineering & Automation (Celery, Pandas, PostgreSQL, Redis) • Cloud Deployment (AWS, GCP, Docker, CI/CD) • Voice AI, Transcription Agents, and NLP solutions ✅ 100% Job Success | 47+ Completed Projects | Top-Rated on Upwork Recent AI wins: → Built a Voice Transcription & Analysis MVP delivered in 48 hours → Developed a Reddit Data Analysis tool with FastAPI integration → Architected an AI-powered Shopify App for automated Instagram posting → Delivered an AI-branded virtual classroom (Teacher Launchpad) I've worked full-time at Zattoo (Berlin) as a Python Backend Engineer, and at Crimson Education as a Django developer — building scalable, maintainable systems used by thousands. I'm based in Berlin, speak fluent English and Urdu, and take pride in clear communication and on-time delivery. Whether you need a production-ready AI agent, a data pipeline, or a robust web backend — I've done it, I can prove it, and I'm ready to do it for you. Let's build something that actually works. 👇
Hassan R. has worked .
Trilogix (pvt) ltd
Associated with
Trilogix (pvt) ltd
$3K+
earned
Kaleem I.
$20/hr
100% Job Success
$10K+ earned
Offers consultations
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🔹 Top-Tier Quality Delivery 🔹 Long-Term Work Relationship 🔹 Quick Replies & Regular Updates As an expert Full Stack Developer, I specialize in Django, Python, Laravel and Vuejs, I have deep understanding of RAG, LLM and AI implementation in existing and new platforms, delivering clean, high-performance solutions for startups, SaaS companies, and growing businesses. I’ve contributed to AI platforms, e-commerce systems, SaaS products, CRMs, ERPs, and POS solutions, working with teams at Nexook, DevParagon, EzySoft Solutions, and Indus Cyber Solution Ltd. My focus is not just development but building systems that are reliable, maintainable, and ready to scale. Beyond coding, I bring project ownership and technical leadership, helping teams reduce costs, speed up delivery, and improve workflows through smart architecture and automation. Tech Stack: -Backend: Python (Django, Flask), PHP (Laravel, Filament, Livewire) -Frontend: Vue.js, JavaScript (ES6), TypeScript, HTML, CSS (Tailwind, Bootstrap) -Databases: PostgreSQL, MySQL, MongoDB -DevOps & Cloud: Docker, Git, AWS, GCP, Azure Here's how I can support your project: -Build scalable web apps from idea to launch -Develop secure APIs and backend systems -Create modern dashboards and admin panels -Automate business processes and e-commerce workflows I’m one message away from helping you build your next product. Best Regards, Kaleem Ibn Anwar
Kaleem I. has worked .
Azizabonu K.
$50/hr
100% Job Success
$30K+ earned
Available now
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👋 Hi, I’m Aziza, a Top Rated Plus Python Backend Engineer with 7+ years of experience building backend systems, APIs, automation tools, data pipelines, and production-ready applications. I help businesses replace messy, manual, or outdated backend workflows with clean, reliable software that is easier to use, easier to maintain, and ready to scale. If you need someone who can step into an existing codebase, understand the business problem quickly, ask the right questions, and deliver without heavy supervision, I can help. 🚀 What I do best: • Build Python backend systems from scratch • Create and improve Django, DRF, FastAPI, Flask, and Django Ninja APIs • Convert Bash scripts and legacy workflows into modern Python applications • Build internal dashboards, admin tools, and automation platforms • Design web scraping and data extraction pipelines • Integrate third-party APIs, payments, authentication, and cloud services • Improve database structure, queries, performance, and reliability • Add Celery jobs, scheduled tasks, logging, and background processing • Debug production issues and clean up existing backend systems • Use Claude, Cursor, and AI tools to move faster while keeping code clean and production-ready 🛠️ Technologies I work with: ✅ Python ✅ Django ✅ Django REST Framework ✅ Django Ninja ✅ FastAPI ✅ Flask ✅ PostgreSQL ✅ MySQL ✅ MariaDB ✅ MongoDB ✅ Supabase ✅ Celery ✅ Redis ✅ AWS S3 ✅ AWS Lambda ✅ Railway ✅ Cloudflare ✅ Docker ✅ GitHub Actions ✅ Bitbucket ✅ Stripe API ✅ RevenueCat ✅ Firebase ✅ OneSignal ✅ Swagger / OpenAPI ✅ Pytest ✅ BeautifulSoup ✅ Selenium ✅ Claude ✅ Cursor 💼 Recent results: • Modernized 30+ fragmented Bash scripts into a clean Django web application • Recreated complex legacy logic in Python with better structure, logging, error handling, and documentation • Worked with PostgreSQL and MariaDB inside one Django project • Consolidated multiple API environments into a single Django REST Framework application • Built backend APIs and data workflows for a data-heavy analytics dashboard • Worked with scraping, onboarding flows, Supabase, Railway, Clerk, and Cloudflare • Delivered backend work that clients described as clean, efficient, well-structured, and easy to maintain 🤖 AI-assisted development: I actively use Claude, Cursor, and AI coding tools for research, planning, debugging, prompt work, refactoring, and implementation. I use AI to speed up development, but I still review, test, and structure the code carefully so the final result is reliable and maintainable. ✨ Why clients choose me: Clients describe me as a clear communicator, reliable, proactive, collaborative, detail-oriented, and committed to quality. I care about the real business goal behind the code. I do not just “finish tickets.” I help improve the system, reduce manual work, make workflows smoother, and leave behind code that other developers can understand and maintain. If your backend needs to be built, fixed, automated, modernized, or scaled, I’d be happy to learn more about your project. 🚀
Azizabonu K. has worked .
Muhammad H.
$20/hr
100% Job Success
$50K+ earned
Available now
Offers consultations
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I build production-ready AI applications and SaaS platforms using Python, Django, FastAPI, React and Next.js. As a Top Rated Plus developer with 50+ completed Upwork projects, I have helped clients build, complete and improve AI-powered products, backend systems, voice agents, RAG applications and data-driven platforms. My focus is not limited to adding an OpenAI API to an application. I build the complete system around the AI feature including backend architecture, data pipelines, APIs, user roles, payments, integrations, deployment and production reliability. ✅What I Can Help You Build * AI-powered SaaS platforms and internal tools * Python backends using Django, FastAPI and Flask * RAG systems with embeddings, vector search and document processing * Voice AI agents using Twilio, Deepgram, ElevenLabs and OpenAI * LLM integrations using OpenAI, Claude and structured AI workflows * React and Next.js dashboards connected to Python APIs * REST APIs, webhooks and third-party integrations * Authentication, user roles, subscriptions and Stripe payments * Background processing, real-time systems and large-data workflows * Existing application debugging, optimization and completion ✅Relevant Project Experience ◾DataVersion AI document-processing and RAG platform built with FastAPI, Next.js, Supabase, AWS and Pinecone. ◾Key2 AI voice and telecom platform using Django, FastAPI, Twilio, ElevenLabs, OpenAI and Deepgram. ◾OpenHome Voice AI application built with Django, Vue.js, Deepgram, ElevenLabs, OpenAI and AssemblyAI. ◾PitchFit AI-powered SaaS application developed with Flask, FastAPI, React and Express.js. ✅My Core Technology Stack ⭐AI and LLMs: OpenAI, Claude, RAG, AI agents, embeddings, vector databases, prompt engineering and document processing ⭐Voice AI: Twilio, Deepgram, ElevenLabs, Retell, speech-to-text, text-to-speech and real-time voice workflows ⭐Backend: Python, Django, FastAPI, Flask, Node.js, Express and NestJS ⭐Frontend: React, Next.js and Angular ⭐Data and Infrastructure: PostgreSQL, Supabase, MongoDB, Redis, Firebase, AWS, Docker and DigitalOcean ⭐Automation and Integrations: n8n, APIs, webhooks, Zapier and Make ✅ Why Clients Work With Me -- Clients describe me as reliable, collaborative, responsive and committed to quality. ⭐One client shared: “Best developer I have ever worked with on this platform.” ⭐Another said: “If you need a developer that works fast, consistent and knowledgeable, Hassan is your guy!” I am comfortable joining projects at any stage whether you need to build an MVP, add AI features to an existing product, repair an unstable backend or prepare a prototype for production. Send me a brief description of your product, current stack and the main problem you need solved. I’ll review it, identify the fastest path forward, and tell you exactly how I can help no vague promises, no wasted time. Looking forward to have a Fruitful Conversation with u :)
Muhammad H. has worked .
Nirajan K.
$55/hr
100% Job Success
Offers consultations
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Python and AI engineer with over 6 years of experience developing production systems across the full stack, from backend to frontend, incorporating LLM and automation layers that add value. I have built trading platforms with real-time data feeds, RAG pipelines based on internal documents, workflow automation replacing manual tasks, and full-stack applications drawn from scratch and deployed to production. TOP RATED - 100% JOB SUCCESS - 100+ PROJECTS DELIVERED WHAT I BUILD AI systems that work in production rather than in demos: RAG pipelines that retrieve accurately from your own data, AI agents automating real business processes, and LLM integrations built to reduce cost rather than inflate it. Alongside the AI layer: full-stack applications with Python backends and React or Next.js frontends, REST APIs in Django or FastAPI, real-time features via WebSockets, cloud deployments on AWS, Azure, or GCP, CI/CD pipelines, and complex third-party integrations. THE STACK - AI/LLM: GPT, Claude, Gemini, LangChain, LlamaIndex, RAG Pipelines, AI Agents, pgvector, Pinecone - Backend: Django, DRF, FastAPI, Flask, Celery, AsyncIO, WebSockets - Frontend: React, Next.js (App Router), TypeScript, Tailwind CSS, shadcn/ui - Databases: PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch, Supabase, Neon - DevOps: AWS, GCP, Azure, Docker, Kubernetes, Nginx, GitHub Actions - Linux: Ubuntu, Debian, CentOS, VPS, SSL, Supervisor, Systemd RESULTS - Reduced GPT inference costs through a custom RAG architecture that eliminated redundant API calls without accuracy loss - Cut API latency significantly through async redesign with FastAPI and Redis - Processed millions of events daily at low latency on containerized infrastructure - Migrated a Django monolith to microservices without taking the system offline - Compressed release cycles from days to hours through CI/CD automation - Reduced monthly cloud spend through infrastructure rightsizing on AWS and GCP LET'S TALK If you need backend, frontend, AI integration, and cloud deployment done properly the first time, that is what I do. Send a message or an invitation. I respond within a few hours.
Nirajan K. has worked .
$15/hr
100% Job Success
$200+ earned
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I help businesses build practical AI-powered products that improve operations, automate workflows, and create better customer experiences. I specialize in designing and developing scalable AI applications using LLMs, Agentic AI systems, RAG pipelines, intelligent automation, and modern full-stack technologies. My focus is not just integrating AI, but building real-world, production-ready solutions that solve business problems efficiently. Whether you need an AI chatbot, a RAG-based knowledge assistant, workflow automation, AI agents, or a custom AI SaaS platform, I can help take your idea from concept to deployment. What I Can Help You With AI Chatbot Development LLM-based Applications & AI Assistants Agentic AI Systems & Multi-Agent Workflows RAG (Retrieval-Augmented Generation) Pipelines AI Automation & Workflow Systems Business Process Automation using n8n AI-powered SaaS Product Development Document Processing & AI Q&A Systems Custom API Integrations & Backend Systems Full-Stack AI Application Development Technologies I Work With AI & Automation OpenAI / GPT Models LLM Applications RAG Architecture Prompt Engineering Agentic AI n8n Automation Backend Python Django Django REST Framework FastAPI Supabase PostgreSQL Frontend React.js Next.js How I Work I believe in keeping development simple, scalable, and business-focused. First, I understand your business goals and workflow. Then, I suggest the most practical and efficient AI solution. Finally, I build scalable systems that integrate smoothly into your operations and grow with your business. Why Clients Choose Me Strong expertise in both AI and full-stack development Focus on practical, business-ready solutions Clean communication and structured development process Scalable architecture and maintainable code Experience with modern AI workflows and automation systems Let’s Connect If you are planning to build an AI product, automation system, intelligent assistant, or custom AI-powered platform, feel free to reach out. Happy to discuss your idea and suggest the best approach to move forward.
Ghilman R.
$15/hr
100% Job Success
$10K+ earned
Available now
Offers consultations
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𝗔𝗜 𝗳𝗲𝗮𝘁𝘂𝗿𝗲𝘀 𝗮𝗿𝗲 𝗼𝗻𝗹𝘆 𝗮𝘀 𝗴𝗼𝗼𝗱 𝗮𝘀 𝘁𝗵𝗲 𝗯𝗮𝗰𝗸𝗲𝗻𝗱 𝗯𝗲𝗵𝗶𝗻𝗱 𝘁𝗵𝗲𝗺. I build Python backend systems and AI-enabled SaaS applications that are designed for real production use - not just demos or short-lived prototypes. My work covers the complete backend layer: application architecture, FastAPI and Django APIs, AI model integrations, database design, third-party services, serverless workflows, deployment, and ongoing performance improvements. Whether you are building a new product, converting an MVP into a production-ready platform, or improving an existing backend, I focus on creating systems that are secure, maintainable, reliable, and easier to scale. 𝗪𝗵𝗮𝘁 𝗜 𝗖𝗮𝗻 𝗕𝘂𝗶𝗹𝗱 • AI-powered applications and backend services • Python, Django, FastAPI, and Flask backends • SaaS platforms and product APIs • REST API and GraphQL development • AI model and external API integrations • Data-processing and automation workflows • PostgreSQL, MySQL, MongoDB, and Redis systems • AWS serverless applications using Lambda and API Gateway • Microservices and containerized applications • CI/CD pipelines and automated deployment workflows • Existing backend optimization and API improvements 𝗠𝘆 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 𝗔𝗽𝗽𝗿𝗼𝗮𝗰𝗵 I begin by understanding the product workflow, users, data requirements, integrations, expected traffic, and current technical constraints. From there, I: Define a practical backend and API architecture Build modular and maintainable application services Structure databases for reliability and performance Integrate AI models and third-party platforms Add testing, deployment, and CI/CD workflows Document the system for future development and handoff The goal is not to overengineer your product. It is to build the right technical foundation for its current stage while keeping future growth manageable. 𝗪𝗵𝗲𝗻 𝗜’𝗺 𝗮 𝗚𝗼𝗼𝗱 𝗙𝗶𝘁 • You need a Python backend for a SaaS or AI product • Your MVP needs to become production-ready • Your APIs are slow, difficult to maintain, or unreliable • You need to connect AI capabilities with real business data • Your application requires new integrations or automation • You need AWS deployment or serverless architecture • Your existing backend requires restructuring or optimization 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝘆 𝗦𝘁𝗮𝗰𝗸 Python, Django, FastAPI, Flask, REST APIs, GraphQL, PostgreSQL, MySQL, MongoDB, Redis, AWS EC2, Lambda, S3, RDS, DynamoDB, API Gateway, Docker, Kubernetes, Jenkins, GitHub Actions, GitLab CI, Git, GitHub, and GitLab. 𝗥𝗲𝗮𝗱𝘆 𝘁𝗼 𝗯𝘂𝗶𝗹𝗱 𝗼𝗿 𝗶𝗺𝗽𝗿𝗼𝘃𝗲 𝘆𝗼𝘂𝗿 𝗔𝗜 𝗼𝗿 𝗦𝗮𝗮𝗦 𝗯𝗮𝗰𝗸𝗲𝗻𝗱? Send me a brief overview of your product, current technology stack, required integrations, and the main technical challenge you are facing. I’ll help you identify the right backend structure and turn it into a reliable, production-ready system. 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 AI Engineer, Backend Developer, Python Developer, FastAPI Developer, Django Developer, Flask Developer, SaaS Development, Backend Development, API Development, REST API, GraphQL, AI Integration, API Integration, Microservices, PostgreSQL, MongoDB, Redis, AWS, Serverless Architecture, Docker, Kubernetes, CI/CD, Database Development, and Cloud Deployment
Ghilman R. has worked .
Araari A.
$40/hr
100% Job Success
Available now
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Hi, I am a senior full-stack developer specializing in Django & React, and hands-on experience covering everything from database design to the final push to production. Technical Skills: - Languages: Python & JavaScript - Frameworks: Django, DRF, React, Bootstrap (3/4/5), Tailwind, Selenium - Databases: MySQL, PostgreSQL, SQLite, MongoDB In practice: - 7 years of building and shipping real web products, not just writing code - Strong Git workflow and solid Linux/SSH experience - Clear communication, proper documentation, and deadlines I actually respect What clients have said: "Araari Adem has done an excellent job throughout in our web platform development project. He is extremely dedicated and hardworking..." "Araari is one of the best freelancers we've hired on this platform. His cooperation extends long after the project is complete..." "Adem is a very smart and talented person. He understands quickly, develops features fast, and delivers impressive results." "Araari is my always go-to-guy for anything related to web development. Highly recommend him if you are looking for an expert." Always open to interesting projects - let's build something.
Araari A. has worked .
Francisco Javier R.
$5/hr
100% Job Success
$5K+ earned
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hey there. if you're reading this, you're probably looking for someone who genuinely gets backend for websites. not just someone who knows the syntax, but someone who understands how to build stuff that doesn't break when 100 people start using it at the same time. that's me. i've been coding with to many platforma for over 4 years now, and honestly, i just love it. my happy place is taking a messy, complicated idea and turning it into a clean working project. Looking for a long term position.
Francisco Javier R. has worked .
$20/hr
100% Job Success
$10K+ earned
Available now
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𝑭𝒓𝒆𝒆 30-𝑴𝒊𝒏𝒖𝒕𝒆 𝑪𝒐𝒏𝒔𝒖𝒍𝒕𝒂𝒕𝒊𝒐𝒏 𝑪𝒂𝒍𝒍! 𝑱𝒖𝒔𝒕 𝒔𝒉𝒂𝒓𝒆 𝒚𝒐𝒖𝒓 𝑭𝒊𝒈𝒎𝒂 𝒐𝒓 𝑰𝒅𝒆𝒂𝒔, 𝐈 𝒘𝒊𝒍𝒍 𝒄𝒐𝒏𝒗𝒆𝒓𝒕 𝒕𝒉𝒂𝒕 𝒊𝒏𝒕𝒐 𝒂 𝒅𝒆𝒕𝒂𝒊𝒍𝒆𝒅 𝑹𝑭𝑸 𝒂𝒏𝒅 𝒅𝒆𝒇𝒊𝒏𝒆 𝒕𝒉𝒆 𝑺𝒄𝒐𝒑𝒆 𝑺𝒐 𝒚𝒐𝒖 𝒄𝒂𝒏 𝒈𝒆𝒕 𝒂 𝒃𝒆𝒕𝒕𝒆𝒓 𝑰𝒎𝒂𝒈𝒆. 🌟 Expert Full-Stack Python/Django & React.js/Next.js Development 🌟 I help businesses and startups build scalable SaaS platforms, cloud-based web applications, custom APIs, and high-performance MVPs. My services cover end-to-end web development, including Full-Stack Web Application Development, AWS Cloud Integration, Custom API Development, Database Design & Optimization, and SEO-optimized Next.js websites. Whether you need a SaaS dashboard, a subscription-based product, or a secure backend system that scales, I deliver modern, production-ready solutions built on industry best practices. I also specialize in web app performance tuning, security hardening, and architecture consulting to help clients transform existing systems into fast, reliable, and cloud-native applications. ⚙️ 𝘾𝙤𝙧𝙚 𝙎𝙚𝙧𝙫𝙞𝙘𝙚𝙨 1️⃣ SaaS & Full-Stack Web Development • React.js / Next.js front-end + Python/Django back-end • Subscription systems, dashboards, multi-tenant apps 2️⃣ AWS Cloud Integration & Management • EC2, Lambda, S3, CloudFormation setup and automation • CI/CD pipelines and monitoring • Scalable cloud architecture for SaaS apps 3️⃣ Custom API Development & Integration • REST & GraphQL APIs with Django REST Framework • Third-party SaaS integrations (Stripe, SendGrid, Auth0) • Secure authentication / authorization (JWT, OAuth2) 4️⃣ Database Design & Optimization • PostgreSQL, MySQL, MongoDB, Redis • Query optimization & data modeling for performance • Backup, migration, and security hardening 5️⃣ JavaScript / TypeScript Expertise • Modular, component-based development • Type-safe architecture & frontend performance tuning • Integration with Python APIs for real-time apps 6️⃣ Next.js & React.js for SEO Optimization • Server-Side Rendering (SSR) and Static Site Generation (SSG) 7️⃣ MVP Development for Startups • Rapid prototyping with React.js / Django • AI integration and development into MVP 8️⃣ Web App Performance & Security Optimization • Speed audits, caching, and load-time reduction 🧠 𝑻𝒆𝒄𝒉 𝑺𝒕𝒂𝒄𝒌 • Frontend: React.js, Next.js, TypeScript, Redux, TailwindCSS • Backend: Python, Django, FastAPis Django REST Framework • Database: PostgreSQL, MySQL, MongoDB, Redis • Cloud & DevOps: AWS (EC2, S3, Lambda, CloudFormation), Docker, GitHub Actions • Others: REST API, GraphQL, SEO Optimization, CI/CD, SaaS Architecture, Security Audits Contact me, and let’s discuss how we can take your project to new heights and achieve your business goals.
Rana Abdullah F. has worked .