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Ranjeet S.
$20/hr
97% Job Success
$30K+ earned
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7+ Years of Experience | Top Rated Plus Most businesses don't struggle because of a lack of ideas—they struggle because their systems can't keep up. Slow development cycles, brittle architectures, disconnected tools, and the inability to utilize AI effectively often result in lost opportunities, operational inefficiencies, and increased costs. I help businesses build scalable backend systems and AI-powered applications that are designed for long-term growth. Over the past 7+ years, I have worked with startups, SaaS companies, agencies, and enterprise teams to design, develop, and maintain production-grade applications using Python and Django. As AI adoption accelerated, I expanded my expertise into Generative AI and LLM-powered systems, helping companies integrate intelligent capabilities into existing products and build AI-native applications from the ground up. I bring a unique combination of strong software engineering fundamentals and deep understanding of modern AI technologies. I can help you with: ================= • Building robust SaaS applications using Django and Django REST Framework • Designing scalable APIs using FastAPI and modern backend architectures • Developing secure, maintainable, and high-performance Python applications • Architecting multi-tenant SaaS platforms and enterprise systems • Database design, optimization, and performance tuning • Authentication, authorization, RBAC, JWT, OAuth, and SSO implementations • Background processing using Celery, Redis, and asynchronous task execution • Third-party integrations including payment gateways, CRMs, ERPs, and external services • Cloud deployment, CI/CD pipelines, monitoring, and infrastructure automation In addition to backend engineering, I specialize in integrating AI capabilities into real-world products. My AI expertise includes: ===================== • Building LLM-powered applications using OpenAI, Claude, Gemini, Llama, DeepSeek, Mistral, and Hugging Face • Designing Retrieval-Augmented Generation (RAG) systems with vector databases and semantic search • Developing AI copilots and domain-specific assistants • Building multi-agent systems using LangGraph, CrewAI, OpenAI Agents SDK, AutoGen, and PydanticAI • Implementing tool calling, structured outputs, and agent orchestration workflows • Developing document intelligence solutions involving OCR, extraction, classification, and validation • Creating conversational AI solutions for customer support, internal operations, and workflow automation • Integrating AI into existing SaaS platforms without disrupting current business processes Technology Stack =========== Backend & APIs Python, Django, Django REST Framework, FastAPI, Flask, Node.js AI & LLMs OpenAI, Claude, Gemini, Llama, DeepSeek, Mistral, Hugging Face, LangChain, LangGraph, CrewAI, OpenAI Agents SDK, AutoGen, PydanticAI, MCP RAG & Vector Databases Pinecone, Qdrant, Weaviate, Chroma, pgvector, Embeddings, Hybrid Search, Reranking Databases & Messaging PostgreSQL, MySQL, MongoDB, Redis, RabbitMQ Cloud & DevOps AWS, Docker, Kubernetes, GitHub Actions, CI/CD, Monitoring, Observability I focus on building solutions that are secure, scalable, maintainable, and production-ready. Whether it's a high-performance Django backend, an AI-powered SaaS platform, or an intelligent system powered by LLMs, my priority is delivering technology that creates measurable business value rather than experimental prototypes. If you're looking for an engineer who combines deep Python expertise with practical experience shipping AI systems into production, I'd be happy to help bring your vision to life.
Ranjeet S. has worked .
SoftProdigy
Associated with
SoftProdigy
$10M+
earned
$40/hr
91% Job Success
$2K+ earned
Offers consultations
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As a seasoned Software Engineer and Data Enthusiast with a Master's degree in Physics, I excel in a wide range of skills, from transforming data into actionable insights to building high-performance Python applications. My expertise includes Python development, back-end services, RESTful API development, Data Science, and Data Visualization, complemented by skills in Statistical Analysis. I also have hands-on experience with Raspberry Pi and Arduino. Explore my portfolio on Upwork to see how I can add value to your projects!
Ashkhen B. has worked .
Roman B.
$40/hr
100% Job Success
$10K+ earned
Available now
Offers consultations
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🚀 Over 14 years and 320+ shipped products, we've helped startups and scaling businesses turn ideas into fast, profitable digital platforms. Our team has delivered 180+ custom web applications, 60+ mobile apps, and 40+ AI-powered software systems, each engineered to perform from day one and scale without friction. I lead a senior full stack developer team with deep roots in both frontend and backend engineering. We've driven results that speak for themselves: load times reduced by up to 73%, API response times cut from 1.8s to under 200ms, and clients growing revenue by 3-5× after launching platforms we built. Whether the project calls for a dedicated React developer, a WordPress developer, a mobile app developer, or a complete full stack developer team owning end-to-end delivery, we've executed at scale across every major industry. E-commerce and growth systems are core to what we do. Our full stack Shopify builds have processed $2M+ in Year 1 GMV. Custom React Shopify frontends we've engineered improved client conversion rates by 38%. Full stack ecommerce platforms we've shipped now serve 50,000+ daily active users. Full stack SEO is baked into our engineering process from day one, server-side rendering via React Next.js, structured data, Core Web Vitals optimization, helping clients rank on Page 1 for 400+ competitive keywords within 6 months of launch. SEO React architecture isn't an afterthought in our workflow; it's a first-class engineering requirement built into every frontend system we deliver. Our React developers architect scalable component libraries used across teams of 15+ engineers and consistently deliver UI scoring 90+ on Lighthouse performance audits. On mobile, we've shipped 60+ cross-platform React Native mobile applications with 800,000+ combined downloads and an average 4.7★ app store rating. Every React Native developer on our team works across the full product lifecycle, architecture, development, App Store submission, and post-launch iteration, using React Native Expo for fast, reliable iOS and Android deployment. Our WordPress developer practice has produced 90+ websites, from editorial platforms handling 500,000+ monthly visitors to WooCommerce stores carrying 10,000+ SKUs. Every website that leaves our team is performance-tuned, SEO-ready, and built so non-technical editors can manage it without touching a line of code. The full stack developer team I lead operates across the entire technology stack. On the frontend: React, React TypeScript, React Next.js, Vue.js, Webflow, Tailwind CSS, and Bootstrap. On the backend: Python, FastAPI, Django, Node.js, Laravel, PHP, REST APIs, and GraphQL. Our Python developer capability covers data pipelines processing 2M+ records daily and backend APIs handling 100,000+ requests per hour. Infrastructure runs on AWS, Firebase, and Supabase, with CI/CD pipelines that compress deployment time to under 8 minutes. We've delivered software across 15+ verticals including AI platforms, fintech, healthcare, legal document automation, education LMS, HR software, social media products, automotive ERPs, manufacturing systems, and digital marketing platforms with Meta, Google, and TikTok integrations. Our AI-powered platforms have reduced client manual review time by 65%, improved lead qualification accuracy by 44%, and automated 1,200+ repetitive operational tasks per month. The engagement model flexes to fit what you actually need. A solo React developer who owns frontend delivery end-to-end and ships a complete system in 6 weeks. A senior web developer who steps into an existing codebase, stabilizes releases, and reduces critical bug rates by 80% within 90 days, something we've done for 25+ companies. A full stack developer team scaling from 2 to 14 engineers mid-project without missing a single deadline. We've operated in every configuration and delivered in all of them. Whatever the scope - a new website, a SaaS product, a scalable React frontend, a CMS platform, cross-platform mobile apps, or a complete backend system, my team has the full stack developer depth, the React developer precision, the web developer range, and the product engineering experience to build it right the first time. 14 years. 320+ products. Millions of users served. Let's build yours.
EVNE Developers - Outcome-Based Delivery for Startups
Associated with
EVNE Developers - Outcome-Based Delivery for Startups
$600K+
earned
Anton C.
$25/hr
100% Job Success
$50K+ earned
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🔹 Python Backend Developer | FastAPI | Django | Web Scraping | API Integrations | Databases 🚀 Open to Work | Ready for New Challenges 🚀 I am an experienced Python Backend Developer with a strong background in building high-performance web applications, automation tools, and API integrations. I specialize in: ✅ Web Frameworks: FastAPI, Django, Flask, DRF ✅ Databases: MySQL, PostgreSQL, MongoDB (SQLAlchemy, SQLModel, async queries). ✅ Strong expertise in OpenSearch — from vector search to deep query tuning with advanced queries and aggregations (nested, reverse_nested, custom script_score scoring). ✅ Web Scraping & Automation: BeautifulSoup, Selenium, Async scraping ✅ API Development & Integration: REST, OAuth, Google APIs (Drive, Sheets, Gmail, Gemini AI), Firebase ✅ Asynchronous Programming: httpx, aiomysql, asyncpg, asyncio, multiprocessing ✅ DevOps & Containers: Docker, Ubuntu server management ✅ System Design & Architecture: Scalable and optimized backend solutions 📩 Let’s discuss your project!
Anton C. has worked .
Arshak T.
$39/hr
100% Job Success
$80K+ earned
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I’m Arshak, a Senior Full-Stack & Python Developer with 12+ years of experience building scalable web platforms and AI-powered applications for startups, growing companies, and enterprise clients. My focus is on delivering secure, high-performance systems and helping businesses turn ideas into reliable digital products. Over the years, I’ve helped teams build AI-driven platforms, SaaS products, and complex backend systems, always prioritizing clean architecture, scalability, and long-term maintainability. Core Expertise ✅AI & Machine Learning OpenAI, GPT, LLM integrations LangChain, AI agents, chatbot development TensorFlow, PyTorch NLP, generative AI, computer vision AI automation and intelligent workflows ✅Python & Backend Development Python (FastAPI, Django) REST API development & integrations Microservices and scalable backend architecture Queue systems, background jobs, and workflow automation ✅Web Development Laravel / PHP (all versions) SaaS platforms & multi-tenant applications MVP development and product architecture Data & Infrastructure MySQL, PostgreSQL, Redis Query optimization and performance tuning ✅AWS cloud services Docker, CI/CD pipelines Front-End (when needed) Vue.js, React.js, Next.js Tailwind CSS for modern responsive interfaces What you can expect working with me ✔ Clean, maintainable, and scalable code ✔ Clear communication and consistent progress updates ✔ Strong focus on business goals, not just code ✔ Flexible collaboration for both new builds and existing systems Whether you’re launching a Python-based AI platform, developing a SaaS product, or improving an existing backend, I can help you design and build modern, reliable, and cost-effective solutions. I’m always open to discussing new ideas and finding the best technical approach to move your project forward.🔥
Arshak T. has worked .
$10/hr
76% Job Success
$900+ earned
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I am a Senior Python Engineer with 4+ years of experience designing, developing, and scaling high-performance backend systems, APIs, and data pipelines for startups and enterprise clients. I specialize in building clean, maintainable, and production-ready solutions using Python and modern cloud-native architectures. My core strength lies in translating complex business requirements into reliable technical solutions—whether that means architecting RESTful APIs, automating workflows, or designing data pipelines that scale efficiently. What I Deliver Robust backend systems built with Django, Flask, and FastAPI High-performance REST & async APIs with secure authentication Scalable data pipelines (ETL/ELT) and automation solutions Cloud-ready deployments on AWS with best practices Clean, well-documented, and testable code Technical Expertise Backend: Django, FastAPI, Flask, REST APIs, Async Processing Data Engineering: Web scraping, ETL pipelines, data validation, automation Databases: PostgreSQL, MySQL, MongoDB, Redis Cloud & DevOps: AWS (EC2, S3, RDS, Lambda), Docker, CI/CD Scraping & Automation: Scrapy, Selenium, BeautifulSoup Tools: Git, Linux, Celery, Message Queues Why Clients Choose Me Senior-level ownership and accountability Clear communication and realistic delivery timelines Strong focus on scalability, security, and performance Long-term mindset—not just task completion If you need a dependable engineer who understands both code and business impact, I’d be happy to discuss your project.
Mrityunjay K. has worked .
Syed Moazzam A.
$10/hr
100% Job Success
$20K+ earned
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𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗦𝗲𝗻𝗶𝗼𝗿 𝗔𝗜/𝗠𝗟 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 | 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 (𝗠𝗘𝗥𝗡) | 𝗣𝘆𝘁𝗵𝗼𝗻 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗙𝗮𝘀𝘁𝗔𝗣𝗜 𝗘𝘅𝗽𝗲𝗿𝘁 Hello! I'm Syed Moazzam Ali, passionate about leveraging AI to drive business transformation. As a Top Rated freelancer on Upwork, I specialize in building scalable, AI-powered systems and dynamic web applications using the MERN stack. 𝗪𝗵𝗮𝘁 𝗜 𝗢𝗳𝗳𝗲𝗿: • 𝗔𝗜/𝗠𝗟 𝗣𝗶𝗽𝗲𝗹𝗶𝗻𝗲𝘀: Expertise in end-to-end development from data preprocessing to model deployment. • 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: Proficient in the MERN stack (MongoDB, Express.js, React, Node.js) for building dynamic web applications. • 𝗣𝘆𝘁𝗵𝗼𝗻 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: High-performance services using FastAPI and Flask. • 𝗥𝗔𝗚 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 & 𝗖𝗵𝗮𝘁𝗯𝗼𝘁𝘀: Custom solutions for knowledge-based chatbots using Retrieval-Augmented Generation. • 𝗟𝗟𝗠 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻: Seamless integration of leading LLMs like OpenAI, Anthropic, and more into your applications. • 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻: Creation of tools and agents to streamline workflows. • 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁𝘀: Deploy AI applications on Docker, Kubernetes, AWS, GCP, and Azure. 𝗪𝗵𝘆 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲: • Deliver clean, modular, and production-quality code. • Fast and efficient project delivery without compromising quality. • Strong problem-solving skills with a focus on maintainable solutions. • Excellent communication and proactive project management. 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸: Python, FastAPI, MERN (MongoDB, Express.js, React, Node.js), LangChain, LlamaIndex, RAG, Vector DB (Pinecone, FAISS, Chroma), OpenAI API, HuggingFace, Docker, Redis, PostgreSQL, AWS/GCP. By choosing me, you'll gain a partner committed to delivering innovative solutions that enhance efficiency and drive growth. Ready to take your project to the next level? Let's connect and make it happen! 🚀
Syed Moazzam A. has worked .
Marko B.
$30/hr
100% Job Success
$30K+ earned
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Hi, I'm Mark. I'm a Full Stack Python Developer with years of experience building automation systems, scraping system, web applications, data pipelines, AI-powered solutions, and large-scale scraping platforms. My core expertise includes: • Python, JavaScript • FastAPI • Django • Flask • Scrapy • Selenium • Playwright • PostgreSQL • MySQL • Docker • REST APIs • Web Automation • Data Engineering • AI Integrations & Machine Learning • AWS and Cloud Services • Linux What I Can Help With ✅ Web Scraping and Data Extraction ✅ Browser Automation ✅ API Development and Integrations ✅ Custom Web Applications ✅ Full Stack Development ✅ Business Process Automation ✅ Data Processing Pipelines ✅ AI-Powered Workflows ✅ Machine Learning Solutions ✅ Database Design and Optimization ✅ Cloud Infrastructure and Deployment ✅ Long-Term Maintenance and Support Over the years, I have built large-scale scraping systems, competitor monitoring platforms, pricing automation tools, CRM integrations, custom dashboards, ticketing systems, AI-powered workflows I focus on delivering reliable, scalable solutions that solve real business problems rather than simply writing code. Available for both short-term projects and long-term partnerships. keys ***Xpath, Selenium, PDF, Automation, OCR, Parsing, Scrapy, Request,Regex ✔ Perform your project in a great way. ✔ high quality; ✔ Meeting deadlines; ✔ 80+ hrs/week online; ✔ Flexibility
Marko B. has worked .
$25/hr
75% Job Success
$600K+ earned
Available now
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With over 10 years of professional experience, including 6 years as a Python Developer and 4 years specializing in AI/ML, I bring a wealth of technical expertise and innovative thinking to every project. My focus lies in delivering cutting-edge AI solutions that redefine efficiency, enhance decision-making, and unlock new possibilities for businesses. Specializing in Generative AI (GenAI), I have deployed state-of-the-art models like GPT, LLaMA, and BERT to develop tools that simplify workflows, create meaningful insights, and power next-generation applications. Whether it's building intelligent chatbots, predictive analytics systems, or AI-powered automation solutions, I ensure every deliverable is tailored to the client’s unique needs. My experience spans diverse industries, including fintech, healthcare, e-commerce, and crypto, where I have consistently designed and implemented domain-specific AI solutions. From predictive fraud detection in banking to healthcare diagnostics using NLP models, I excel at addressing complex challenges with innovative strategies. 🌟 Core Competencies: ✔️ Generative AI Expertise: I have fine-tuned and deployed GPT models for conversational AI, adaptive content creation, and dynamic data analysis, delivering tangible business outcomes. ✔️ AI/ML Development: Leveraging frameworks like TensorFlow, PyTorch, and Scikit-learn, I build high-performance machine learning systems that drive intelligent automation. ✔️ Cloud-Native AI Solutions: My expertise includes deploying AI models on AWS, Google Cloud, and Azure, ensuring scalability, reliability, and high availability. ✔️ Web Scraping & Data Automation: I specialize in advanced scraping techniques using Selenium, Scrapy, and API integrations, delivering precise data for actionable insights. ✔️ Natural Language Processing: With tools like Hugging Face and LangChain, I create tailored NLP workflows for applications in sentiment analysis, text summarization, and intelligent chatbots. 💼 Technology Stack: I bring a comprehensive technology stack, ensuring robust and scalable solutions: ✔️ Languages: Python (3.x, 2.7), SQL, JavaScript, HTML/CSS, YAML, Markdown. AI/ML & Generative AI: TensorFlow, PyTorch, Hugging Face Transformers, LangChain, GPT (ChatGPT), BERT, T5, LLaMA, Scikit-learn, OpenCV, Dialogflow, LoRA, PEFT, NLTK, SpaCy. ✔️ Frameworks: Django, Flask, FastAPI, Streamlit, Tornado, DRF. ✔️ Libraries & APIs: OpenAI API, REST APIs, SQLAlchemy, Selenium, Scrapy, BeautifulSoup, Multiprocessing, Celery, Alembic. ✔️ Databases & Storage: MySQL, PostgreSQL, MongoDB, Redis, Cassandra, DynamoDB, AWS S3, Google Cloud Storage, BigQuery. ✔️ Cloud Platforms: AWS (EC2, SageMaker, Lambda), Google Cloud (BigQuery, Cloud Functions), Azure ML Studio. ✔️ Visualization & Analytics: Tableau, Power BI, Looker, Matplotlib, Plotly, Streamlit. ✔️ Development Tools: Docker, Kubernetes, Jupyter, Google Colab, VS Code, PyCharm. ✔️ Project Management & Collaboration: JIRA, Trello, Slack, Confluence. 🏆 Key Achievements: ✔️ In fintech, I developed fraud detection systems and predictive analytics platforms, optimizing security and decision-making processes for clients. ✔️ For healthcare, I created NLP-driven diagnostic tools and pre-annotation systems, integrating AI into clinical workflows for enhanced accuracy and efficiency. ✔️ In e-commerce, I designed AI-powered chatbots that transformed user interactions, increasing customer satisfaction and retention rates. ✔️ My web scraping expertise enabled clients to extract structured data for business intelligence, enhancing operational efficiency. ✔️ Leveraging Generative AI, I automated content creation for marketing and operational workflows, delivering high-quality results at scale. 🚀 Why Work With Me? I am passionate about harnessing the power of AI to solve real-world problems. My commitment to lifelong learning ensures I stay on the cutting edge of technological advancements, empowering me to deliver transformative solutions tailored to your business. Collaboration is at the heart of my work ethic. By understanding your vision and aligning it with actionable strategies, I aim to exceed expectations and build innovative, high-performing applications that stand out in today’s competitive landscape. Let’s collaborate to transform your ideas into intelligent AI solutions. Reach out, and let’s create something exceptional together!
Dhruv P. has worked .
$30/hr
100% Job Success
$80K+ earned
Available now
Offers consultations
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I'm a Top Rated Plus developer with 8+ years of experience building web applications, SaaS platforms, AI-powered products, and automation solutions using Python, Node.js, and React/Next.js. I've worked remotely 3 years with C2Risk, a UK-based company, delivering reliable and high-quality solutions through long-term collaboration. My focus is on turning complex business requirements into fast, scalable, and maintainable software. Whether it's a full-stack web app, a SaaS product, an AI integration, or a scraping pipeline, I build things that work in the real world and grow with your business. 💎Send me an invitation or a message, and I'll provide a personalized strategy tailored to your requirements at no cost. I'll review your goals, identify the best technical approach, and outline the most efficient path to delivering the solution. 👉𝐖𝐡𝐚𝐭 𝐈 𝐜𝐚𝐧 𝐡𝐞𝐥𝐩 𝐰𝐢𝐭𝐡?? -Full-stack web application development -SaaS product development (MVP to scalable systems) -Frontend development with React.js & Next.js -Backend APIs & system architecture -Web scraping & large-scale data extraction -AI integrations & automation tools -Real-time applications & WebSockets -ETL pipelines & data processing -Cloud deployment & DevOps -Performance optimization & scaling 🧑‍💻𝐖𝐡𝐲 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐡𝐢𝐫𝐞 𝐦𝐞?? -Proven remote track record with long-term UK-based client engagement -Clear communication and fast response time -Clean architecture with a focus on performance and production stability -End-to-end ownership from UI to deployment and scaling -If you're looking for a reliable full-stack expert who can deliver high-quality results, let's connect. 💎𝐒𝐊𝐈𝐋𝐋𝐒 𝐀𝐍𝐃 𝐄𝐗𝐏𝐄𝐑𝐈𝐄𝐍𝐂𝐄:✨✨✨ 🟢𝙁𝙐𝙇𝙇░𝙎𝙏𝘼𝘾𝙆░: JavaScript, React.js, Next.js, Python, Django, FastAPI, SaaS Developer, Frontend/Backend Developer, Web Application Developer, API Developer, Dashboard Developer, TypeScript, Software Engineer .................................................................................................................................................................................................. 🟢𝘼𝙄░𝘿𝙀𝙑𝙀𝙇𝙊𝙋𝙈𝙀𝙉𝙏: AI Developer - AI SaaS -Generative AI -Claude AI- AI Automation Expert - Custom AI Platforms - AI Integrations - Python AI - Next.js AI - React AI - AI MVP Development - AI in FinTech - AI in Healthcare - AI Consultant - OpenAI API Developer - Claude API Integrations - TensorFlow Developer - FastAPI AI Developer - AI Product Developer ................................................................................................................................................................................................... 🟢𝘿𝘼𝙏𝘼░&░𝘼𝙐𝙏𝙊𝙈𝘼𝙏𝙄𝙊𝙉: Web Scraping - Data Extraction - Automation Developer - Playwright Developer - Selenium Developer - ETL Pipelines Data Engineering - Real-time Applications ................................................................................................................................................................................................... 🟢𝘿𝘼𝙏𝘼𝘽𝘼𝙎𝙀𝙎░&░𝘾𝙇𝙊𝙐𝘿: PostgreSQL - MongoDB - AWS Developer - Docker - Redis Celery - Cloud Deployment
Muhammad Arslan A. has worked .