I specialize in API development and web scraping using Python, with hands-on experience in popular frameworks such as Django, Django REST Framework, and Flask. I'm also proficient in key libraries like BeautifulSoup, requests, re (regex), and Selenium. In addition to Python, I have a solid background in front-end technologies including HTML, CSS, JavaScript, Vue.js, React.js, and TypeScript. I also have experience with tools like Docker and relational databases such as MySQL and PostgreSQL.

Python Developer with 9+ years of experience building scalable backend systems, SaaS platforms, automation workflows, and AI-powered applications using Django, FastAPI, and modern Python practices. ⭐️⭐️⭐️⭐️⭐️ "Artsem is a reliable python developer. He delivered clean backend architecture, handled API integrations, and kept the project on track from start to finish. His technical clarity and professional communication made a real difference at every stage." ⬩ Why clients work with me: - 9+ years of Python development experience - Strong scalable backend architecture expertise - SaaS, marketplace and MVP platform experience - Production-ready AI + backend integrations I help startups and businesses transform complex backend logic into fast, secure, and maintainable systems tailored for real-world products like marketplaces, CRMs, client portals, job boards, analytics platforms, and AI-driven tools. As a fullstack Python developer and software engineer, I contributed to marketplace platforms, AI-powered semantic search systems, real estate MVPs, and B2B SaaS products, focusing on clean architecture and long-term scalability. ⬩ Python backend expertise I specialize in Python, Django and FastAPI backend development with PostgreSQL, Redis, and Celery, delivering production-grade solutions as a python developer focused on scalable API development and web scraping ready backend architecture. I design and implement RESTful API architectures with versioning, documentation, and security best practices. From REST APIs and OAuth authentication flows to background workers and multi-user permission systems, I design robust backend architectures that support real growth. ⬩ Automation and data workflows Need a system to parse thousands of PDFs, scrape e-commerce products, or monitor websites in real time? I build custom scraping scripts using BeautifulSoup, Scrapy, and Selenium, paired with automation logic and APIs to feed your business engine. ⬩ AI-powered systems (LangChain + OpenAI) As a backend-focused LLM developer, I build intelligent assistants and AI-powered features using LangChain, FAISS, OpenAI, and RAG pipelines. My work in this area covers Artificial Intelligence, Deep Learning, and Natural Language Processing. I worked on AI-powered product catalog processing and semantic search systems, integrating LLM workflows into structured backend APIs with production stability in mind. ⬩ Architecture and deployment From scalable SaaS platforms to marketplace infrastructure, I design systems using Docker, CI/CD, and cloud deployments (Amazon Web Services, Railway, Render). My work follows backend best practices, including clean architecture, modular design, security-first implementation, database optimization, and performance tuning. I also work with Next.js and TypeScript in Web Development. ⬩ What I can do for you: - Custom Django/FastAPI backends with clean architecture - REST API design and 3rd-party API integrations (Stripe, OpenAI, Twilio) - Automated scrapers, parsers, and ETL pipelines - AI and LLM integration (LangChain, Pinecone, OpenAI API, Vector DBs) - PostgreSQL schema design and query optimization - Backend architecture for CRMs, marketplaces, analytics platforms - Infrastructure setup with Docker, GitHub Actions, AWS - Post-delivery support and long-term collaboration ⬩ What my clients gained: - Athletic recruitment platform >>> Client recovered full investment within 26 days. - Facade project management web application >>> Cut task time from 8 hours to 30 minutes. - AI Legal Assistant >>> Reached #4 Product of the Day on ProductHunt - Healthcare web-based platforms >>> HIPAA, SOC 2, GDPR compliant secure data handling. - Custom CRM / ERP systems >>> dashboards and workflow automation. ⬩ Technologies I work with: Python, Django, FastAPI, Flask, PostgreSQL, Redis, Docker, LLMs, LangChain, OpenAI, API, BeautifulSoup, Celery, PDF / DOCX Parsing, Vector Search, CI/CD, AWS, ETL Pipelines, RAG Let's build something that makes decisions, not noise. ⚙️ A python developer building backend systems in production environments. A python developer supporting SaaS platforms, automation tools, and customer-facing web applications. As a web developer and python developer, I focus on API design, clean architecture, and scalable implementation. My web development experience includes React, JavaScript, Node.js, Bootstrap, CSS, HTML, and jQuery. I work with Data Scraping, Python Script, MySQL, SQL, Git, and pandas for data‑driven backend workflows. I also bring experience across full stack developer, data scientist, machine learning, backend testing, computer vision, full stack .net developer, php developer, and qa engineer roles, which helps me collaborate with cross-functional teams and understand the entire product lifecycle. Looking for a python developer or backend developer to build or scale your backend? Hit me up! ✉︎

I have 8 years of experience in Python development and my skills are listed below: - Web scrapers, bots, automation, web automation, scripting, API scripts, ETL; - Data extraction, data cleaning, data processing, data transformation; - Backend development, web apps with Flask, Django; - Frontend coding with HTML, CSS, Js; - Covering UI with selenium tests.

For the last 5 years, I have been providing the following services: ✅ Web App Backend development ✅ API development and integration ✅ Data Science/Machine Learning ✅ POC and MVP development ✅ Web automation and Scraping ✅ Scripting and Automation ✅ Bot development ✅ Deployement Working worldwide, I help customers from various business domains through coding, building a dev team, and filling expertise plus technological gaps. Here are the main industries: 🔸 Fintech 🔸 AI and machine learning 🔸 Lead Generation and campaigning 🔸 Document Processing My main tech stack: ☑️ Python ☑️ Frameworks/Modules: TensorFlow, PyTorch, HuggingFace, Keras, Sklearn, Scipy, Seaborn, matplotlib, pandas, numpy ☑️ Flask / FastAPI / Django for Web/ API Development ☑️ WebSocket: Real-time application development with Django Channels, FastAPI + WebSocket, Flask-Socketio, and Socket.IO integrations ☑️ Data Management: PostgreSQL, MySQL, MongoDB ☑️ Task Queues: Celery ☑️ Containerization: Docker ☑️ In-memory Data Store: Redis ☑️ Cloud Platforms: AWS, GCP ☑️ Frontend: HTML/CSS/JS + Reactjs, Nextjs Get in touch, invite me to your project, and let’s start cooperating!

💼 Python Developer | Python Django | Python Web Scraping | Python Full Stack Developer | Python AI | Python Automation 🏆 TOP RATED PLUS | 💰 $5M+ Client Revenue | 💼 111+ Projects Delivered | ✅ 11,000+ Upwork Hours 💡 Clients Achieved: 🚀 Raised $4.9M+ / $9.4M+ / $6M+ after product development 📈 Scaled platforms to millions of users & billions of operations ⚡ Reduced system load & response time with optimized Python architectures 💰 Automated payments, workflows, and analytics → higher ROI & efficiency 🏥 Built secure, compliant systems (HIPAA, GDPR) used by global organizations I am a Python Developer, Python Full Stack Developer, Python AI Developer, and Python AI Engineer with 10+ years of experience building scalable web platforms, SaaS products, AI systems, and high-performance backend architectures. As a Python Developer, I specialize in designing clean architecture, scalable systems, performance optimization, and production-ready solutions that support real business growth. I work as a Python Full Stack Developer (Python + React / Next.js), combining powerful backend engineering with modern frontend development to deliver complete end-to-end applications. My expertise includes Python Django development, Flask development, and FastAPI development, building robust APIs, microservices, and distributed systems. I am also a Python Automation Engineer and Python Web Scraping Specialist, building intelligent automation systems, data extraction pipelines, and large-scale Python web scraping solutions for business intelligence, analytics, and AI-driven data processing. I design reliable scraping architectures that handle complex, high-volume data at scale. As a Python AI Developer, I build AI-powered applications, NLP systems, automation workflows, and data-driven intelligent platforms integrated with modern Python frameworks and cloud infrastructure. ⚡ Core Expertise as a Python Developer Python Full Stack Development (Python + React / Next.js) Python Django Developer, Flask Developer, FastAPI Developer Python AI Development & Machine Learning Integration Python Automation Engineering for business workflows Python Web Scraping & Data Extraction Systems Scalable backend systems, APIs, and microservices Cloud & DevOps (AWS, Docker, CI/CD pipelines) High-performance, production-grade Python systems 🚀 Selected Projects The Skills ($4.9M raised) 🎓 – Built and scaled an e-learning platform with payments, subscriptions, and mobile apps. As a Python Developer, helped launch a product used by thousands of users worldwide. Veeqo (acquired by Amazon) 📦 – Developed retail infrastructure processing £1B+ in orders. Optimized backend performance, integrated Stripe, and reduced server load using AWS Lambda as a Python Developer. Creyos (75K+ users, healthcare) 🏥 – Built a HIPAA-compliant cognitive assessment platform used by global research institutions. As a Python Developer, worked on secure data systems, scaling, and performance. CityFALCON ($6M raised) 📊 – Created a real-time NLP-powered financial news platform processing millions of articles daily. Designed scalable backend architecture as a Python Developer. ⚡ What I Deliver as a Python Developer Clean, scalable Python AI systems and backend architectures High-performance Python Django / Flask / FastAPI applications Python Full Stack Development (React / Next.js integration) Python Automation & Python Web Scraping solutions AI-powered Python applications and intelligent workflows Secure, compliant systems (GDPR, HIPAA-ready architectures) End-to-end product delivery from idea to production Client Testimonials ⭐⭐⭐⭐⭐ “Very professional! Pleasure to work with. Will definitely use again.” ⭐⭐⭐⭐⭐ “Super reliable, fast, and with clean, well-structured code. Communication was smooth and always on time.” ⭐⭐⭐⭐⭐ “Very satisfied with the work.” 💼 Why Clients Work With Me 10+ years of proven experience as a Python Developer Strong expertise in Python Full Stack, Python AI, and Python Web Scraping Ability to scale systems from MVP to enterprise-level platforms Deep understanding of backend architecture and system design Reliable communication and predictable delivery 🚀 Let’s talk about your project - I am available as your Python Developer, Python Full Stack Developer AI React, Python AI Developer, Python Automation Engineer, Python Django Developer, and Python Web Scraping Specialist.

Hi I'm Mark, Python developer with years of experience. My main passion and specialization is working with data extraction. I have worked with many sites and wrote a lot of bots which can extract data in any required format like Excel, CSV, Json or save data to DB. ✔Python *Xpath, Selenium, PDF, Automatization, OCR, Parsing, Scrapy, Request, Regex ✔ MySQL ✔ PostgreSQL ✔ Perform your project in a great way. ✔ high quality; ✔ Resolving Proxies and ReCaptcha issues; ✔ Meeting deadlines; ✔ 80+ hrs/week online; ✔ Flexibility

Python Developer & Web Scraping Specialist 🐍 I am a Python Developer with freelance experience since 2022, focused on building automation tools, web scraping systems, and backend solutions. I specialize in extracting, processing, and structuring data from the web, as well as developing scalable scripts and services that help businesses automate workflows and collect valuable data efficiently. My work combines clean, maintainable Python code with reliable data pipelines and automation systems, allowing clients to gather structured information, monitor websites, and integrate external services through APIs. 🚀 Core Skills & Technologies • Python, HTML, CSS • FastAPI • Telethon, Aiogram • SQL, PostgreSQL, MongoDB • BeautifulSoup (BS4), Selenium 💻 My Expertise Includes 🏆 Web Scraping & Data Extraction: Selenium, Playwright, BeautifulSoup, Scrapy, Requests 🏆 API & Data Parsing: REST APIs, GraphQL, JSON, XML 🏆 Headless Browsers & Automation: Puppeteer, undetected-chromedriver, curl_cffi 🏆 Scalable Scraping Systems: Async scraping, distributed crawlers, Scrapy-Cluster 🏆 Proxy & Session Management: Residential proxies, datacenter proxies, rotating IPs, session handling 🏆 Data Storage & Processing: PostgreSQL, MongoDB, Redis, Pandas, Parquet 🏆 Task Scheduling & Queues: Celery, RabbitMQ, Apache Airflow 🏆 Cloud & Deployment: AWS Lambda, Google Cloud Platform, Docker, Kubernetes 🏆 Security & Anti-Detection: Browser spoofing, AI-powered detection avoidance 🏆 DevOps & CI/CD: Git, GitHub Actions, Jenkins, Azure DevOps I focus on building high-performance, scalable, and reliable solutions for tasks such as web scraping, automation, API integrations, and backend services. Whether you need data extraction, automated workflows, or custom Python tools, I aim to deliver clean and efficient solutions tailored to your project needs. I continuously improve my skills and stay up to date with new technologies to ensure stable, efficient, and production-ready systems for every project. 🚀

🌐 Web Development | 🔄 Automations | 🧩 API Integrations | 🛡️ Clean, Reliable & Maintainable Code | 📊 Data Processing | 🕸️ Web Scraping & Data Mining | Hi! I'm a Python Developer with 9+ years of experience and a PhD in Telecommunications Engineering, specializing in Python backend development, automation, and data pipelines. 👋 Whether you need a Python Full Stack Developer to ship a production-grade web app, a Python Developer AWS to deploy scalable microservices, a Python Full Stack Developer Flask expert to build modern backend-driven applications, or a Python AI Developer to wire up intelligent automations — I deliver clean, reliable, maintainable solutions that solve real problems. If you're also searching for a solid web developer, full-stack developer — I bring the same professional rigour to every project. 🌐 Web Development & Backend Engineering
Building modern, robust applications using Python (FastAPI, Sanic, BlackSheep, Flask, Django), with clean architecture and best practices. As a Python Full Stack Developer I also connect backends to React frontends, delivering full end-to-end products. • REST APIs, GraphQL, microservices architecture, and event-driven systems • Python Full Stack Developer Flask & Django apps — from MVPs to enterprise-scale • Clean architecture, SOLID principles, OOP, and maintainable codebases 🔄 Automating complex business processes using N8N, Make, and Python to eliminate manual work, reduce errors, and boost operational speed. • Clients routinely save 100+ hours/month after automation delivery • Broker commission calculation pipelines — 70% reduction in processing time • Python AI Developer integrations with OpenAI and LLM-powered workflow tools 🧩 API Integrations
Seamlessly connecting services and platforms through REST APIs, OAuth2, JWT, and custom integration solutions. Integrated 35+ third-party APIs into live production systems. • Stripe, PayPal, SendGrid, Twilio, Google Maps, Salesforce, and more • Keycloak, Kong Gateway, Google Apigee, Apache Mesos/Aurora • Healthcare, Fintech, Telecom, and SaaS platform integrations 🕸️ Extracting valuable data from any website using HTTP, Scrapy, BeautifulSoup, Selenium WebDriver, and custom crawlers — delivered clean and ready for analysis. • High-volume scraping pipelines with anti-detection and proxy rotation • Grain price dashboards with real-time market data feeds • Sentiment analysis of articles and reports for retail manufacturers 📊 Data Processing & ETL
Transforming, cleaning, and analyzing large datasets using Pandas, SQL, and NoSQL databases — with full pipeline automation from source to insight. • PostgreSQL, MySQL, MongoDB, Redis, SQLite, Amazon Aurora • 50–70% faster query response times on high-load production databases • 100% data integrity preserved on legacy system migrations 🛡️ Clean, Reliable & Maintainable Code
Following best coding practices, with deep knowledge of OOP, SOLID, unit testing, and CI/CD — code that teams can own long after delivery. • 83%+ unit test coverage on complex integrations • Docker, GitHub Actions, GitLab CI, Nginx — full DevOps lifecycle as Python Developer AWS • Passed all security audits with 100% compliance 🐍 Python Developer — Core Expertise As a Python Developer I build backend systems, automation pipelines, and data-driven applications that are engineered to last. My work as a Python Developer covers the full spectrum — from designing reliable REST APIs and microservices to building complex ETL workflows and integrating third-party platforms. Clients come to me as their Python Developer when they need more than working code: they need systems that are observable, maintainable, and ready to scale. Whether the project calls for a Python Full Stack Developer delivering end-to-end web applications, or a focused Python Developer AWS deploying cloud-native services, I bring the same production-grade mindset to every engagement. 🤖 Python AI Developer & Intelligent Automation A growing part of my work as a Python Developer involves building intelligent, automated systems that go beyond traditional scripting. As a Python AI Developer, I integrate LLMs, AI agents, and MCP (Model Context Protocol) into real backend workflows — not as experiments, but as production features with proper error handling, observability, and cost control. I work with tools like N8N, Make, and custom Python orchestration to automate high-volume business processes that previously required significant manual effort. This combination of deep Python Developer expertise and hands-on AI integration experience means I can design automation that is both technically sound and genuinely useful to the business. 🤝 𝙍𝙚𝙖𝙙𝙮 𝙩𝙤 𝙂𝙚𝙩 𝙎𝙩𝙖𝙧𝙩𝙚𝙙? Let's collaborate to bring your project to life. Whether you need a Python Developer, a Python Full Stack Developer, a web developer, a web scraping expert, or a Python Developer AWS — contact me today to discuss your project.

I am an expert in Python, C, and C++ programming languages, with a focus on delivering excellence and client satisfaction. I have successfully completed numerous Python projects, particularly in web scraping, machine learning, and deep learning. My proficiency in web scraping allows me to extract valuable data from websites efficiently. I have also applied machine learning algorithms to build predictive models and extract insights from data, while my expertise in deep learning enables me to tackle complex tasks such as image recognition and natural language processing. My commitment to quality and client satisfaction drives me to prioritize clear communication, understand client requirements, and deliver timely results. With a strong track record of successful projects, I bring valuable problem-solving skills and a dedication to continuous learning, ensuring that I can provide innovative solutions that exceed client expectations.

🏆 Python Developer with 19,000+ hours delivering solutions | 98% Job Success Score | 24+ projects completed on time 💬 Client Reviews Python developer: ⭐⭐⭐⭐⭐ "Sergey did an excellent job on this project. The results were exactly as I needed them. He understood the requirements and how to implement the project very well. I have since hired him again for further work." ⭐⭐⭐⭐⭐ "This was a very complex problem. Sergy understood the project very well and did an excellent job developing a solution that we use daily now." 🎯 What I Bring as a Python Developer: • 9+ years of experience building scalable backends and microservices with Python, FastAPI, Django, and Python Full Stack Developer Flask • Expertise in deploying production-ready applications on AWS, Heroku, Fly.io, DigitalOcean, and VPS with fully automated CI/CD pipelines • Proficient in AI integrations, data pipelines, predictive analytics, and designing microservices for complex systems • Proven track record in leading teams, Python web development, and building solutions from the ground up 🐍 Python Developer Tech Stack: • Backend Frameworks & Languages: Python, FastAPI, Django, Flask, Django Rest Framework, Celery, GraphQL, REST APIs, Microservices Architecture • Databases: PostgreSQL, PostGIS, MySQL, MongoDB, MS SQL, Redis, SQLite, Amazon Aurora • Cloud & DevOps: Docker, AWS, Azure, Heroku, Fly.io, DigitalOcean, VPS, CI/CD pipelines, GitHub Actions, GitLab CI, Ansible, Nginx, python aws • Frontend Frameworks & Full-Stack: React, JavaScript, TypeScript, jQuery, HTML, CSS, Bootstrap, Highcharts • AI & Data: Machine Learning, NLP, Sentiment Analysis, Predictive Analytics, Data Pipelines, PyTest for TDD, OCR, Optical Character Recognition, Microsoft Face recognition, Azure AI Face service, machine learning python and python data science • Tools & Platforms: Keycloak, OpenShift, Kong Gateway, Apache Mesos, Apache Aurora, Postman, Figma, Google Apigee API, OCR (Optical Character Recognition) with world-class Google Cloud AI 🏗️ Projects I’ve Led as a Python Developer aws: • Healthcare: Built family appointment systems, DNA test purchasing platforms, and patient portals integrated with insurers • Healthcare: Developed and scaled high-throughput RESTful APIs in python web development using Flask and Python microservices • Agritech: Created a grain price dashboard with real-time market data for traders • Telecom: Developed a cell tower mapping platform as a Python full stack developer with geocoding functionality • Product Companies: Engineered AI-powered tools for code conversion as a python django • Retail & Healthcare: Delivered an AI-driven translation service for a medical corporation • Retail: Developed AI-powered tools for sentiment analysis of reports and articles for a manufacturer with python web scraping • Fintech: Built a secure web wallet with multi-currency exchange, blockchain integration, as python code review • Automotive: Designed predictive models for sales forecasting and python ai developer 🏢 Industries for the Python developer: I have successfully delivered projects across Healthcare, Agritech, Telecom, Retail, Fintech, Automotive, and B2B domains 🔧 Roles I Commonly Take On: • AI-Focused Python Developer creating workflow automation using OpenAI and AI integrations • Python Full Stack Developer flask helping high-growth startups scale reliably and efficiently • Python AI developer specializing in building robust, scalable APIs with Python • DevOps Python developer AWS implementing CI/CD pipelines for Django, Flask, and FastAPI applications • Python Django delivering end-to-end solutions in Django and React • Python Full Stack Developer Flask • Machine Learning Python • Python web scraping 📊 Key Achievements: • Developed automation scripts that saved clients 100+ hours/month in manual work • Engineered systems supporting over 30,000 daily active users with zero downtime at launch • Orchestrated 4,000+ concurrent translation tasks • Achieved over 83% unit test coverage on complex integrations • Migrated legacy systems with 100% data integrity preserved • Integrated 35+ third-party APIs seamlessly into production systems • Automated broker commission calculations, reducing processing time by 70% • Passed all security audits with 100% compliance • Optimized high-load database queries, cutting response times by 50–70% 🤝 I’m Open To: • Rapid MVP development to validate business ideas and go to market faster • API design development • Python full stack developer roles and React frontend • AI/ML solutions for automation, analytics, and workflow efficiency • Legacy system modernization pyton developer to modern tech stacks You can find me as a python full stack developer or web developer or a php developer or a python web scraping developer 🚀 Time to move forward? Let’s connect to talk through: • Where your project stands today • What success looks like for you • How can I help you get there, as your Python developer partner