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I help founders and teams turn AI ideas into working products in weeks, not months. Instead of spending months experimenting with LLMs, tools, and architectures, I design and build MVPs that actually work in real business conditions. Typical results: – Working AI MVP in 2–4 weeks – Clear, scalable architecture (not a demo that breaks later) – Reduced risk before investing into full development 💡 What I do best – Turn raw AI ideas into working MVPs – Design production-ready AI architectures – Build agentic AI systems (multi-agent workflows, automation) – Develop RAG systems & knowledge-based AI – Integrate LLMs into existing products and workflows I focus on execution and outcomes — not just code. 🧠 Who I work with – Startups validating AI ideas – Founders building MVPs for investors or internal use – Teams внедряющие AI в существующие продукты – Businesses looking to automate workflows with AI 💬 Not sure where to start? I offer short consultation calls where we: – break down your idea – define architecture – identify fastest path to MVP Most of my projects start this way. ⚙️ Typical engagement – AI MVP / Proof of Concept: $1,500 – $5,000+ – Architecture & planning: via consultation – Ongoing development: after MVP validation Most of my work is fixed-scope (MVPs, PoCs). If you need someone who can not only build, but also think through your AI product — let’s talk.

Full-stack developer of complex business applications with a focus on data What I do best: ⚙️ Custom business automation where standard software doesn't work 🧠 Product aggregation and matching 🔌 API integrations and development of APIs ⏱️ Long-term scraping projects built for maximum robustness and reliable data delivery 🗄️ High-quality scraping of bulk data (millions of products, terabytes of images) 🦾 Browser automation Projects I have completed and now maintain: 📧 A full-featured email automation platform packed with everything you need to run email marketing campaigns on your own — paying only for your SMTP server. 🏢 An internal platform for an advertising company to manage the distribution of product samples to ~1M people yearly. Features include a 1.2M contacts database, a built-in email platform, invoice generation for subcontractors, reports and dashboards to measure employees’ and subcontractors’ KPIs, project management, task management, and more. 💬 A version of email marketing software for communication with customers on an Airbnb-like platform. 🏠 Data aggregation and analytics software for two Airbnb-like platforms that helps hosts make better decisions by analyzing competitors’ prices, availability, and income trends. 🗂️ Product/real estate/jobs aggregator handling inventories of up to 10 websites, 100K+ products, with a 1-hour update cycle. Includes an API and integrations for WordPress and WooCommerce. How I work: You simply describe the problem you want to solve, and I help shape the idea of a product that will solve it effectively. Then, I quickly deliver to you the minimally viable product (MVP), and we can evaluate it live and improve it to perfection. I can do it because: - I have 10 years of experience as the head of an IT department in a small company, serving as an intermediary between completely non-technical people and a team of developers. - I have even more years of experience as a programmer and already built solutions for most common business challenges. - I'm a full-stack programmer with DevOps skills. I can build any web app for business from scratch, deploy it, and debug it until it works fine. I can work without any prototypes — if you have some, they’re also welcome. - I'm an AI enthusiast, making use of AI everywhere it can help. - Proven track record: 9 years on Upwork, 100% job success. Feedback: 💭 "Petr was fantastic to work with! He was thorough, made sure to understand the project requirements well and executed flawlessly" 💭 "The job was complicated, and Petr succesfully went back and forth in the initial deliverables, until we could get the product we needed" 💭 "He battled through to the end, not giving up, remaining responsive, and delivering excellent results. We paid a 1000% bonus and he earned every dollar of it" Many can write code. Few can make a product that works for you. Click "Invite to Job" and let's get things done. ===================== Key skills: Python, Playwright, Beautiful Soup, PHP, WordPress, Woocommerce, API, DuckDB, Clickhouse, MySQL, Excel, Google Sheets, API, AI, OpenAI, ChatGPT, RESTful API, Web Development, Front-End Development, Back-End Development, API Development, Web API, Full-Stack Development, HTML5, CSS3, JS, JavaScript, Bootstrap, jQuery, Ajax, AWS, Linux, Ubuntu, Nginx, Apache, memcached, CRM, ERP, DMS, HTML, CSS, Dashboard development, Data visualisation, Project Management Software, Customer Relationship Management Software, Distribution Management Software, Web services, Pipedrive, n8n, XML, XSL, JSON, Shell Scripts, UI, UX, Stripe, Paypal, Google Maps, Google API, Google Charts

✅ Upwork Top 1% Talent ✅ 650+ Jobs ✅ 18.000+ Hours ✅ Native English ✅ 100% Job Success 🏆 Created the most popular & well known scraping course(20k+ students) 🏆 Ranked in the top 1% for scraping on Upwork 🏆 Official reviewer for several leading web scraping books ⌛ 10+ years of experience in scraping Full-time scraping consultant specializing in web scraping, crawling, and indexing web pages. Over the years, I've collaborated with more than 500 individuals, startups, and companies, helping them achieve their goals through effective data extraction and automation. My hourly rate ranges from $50-$70. The hourly rate depends upon the complexity and timeframe of the project and if it's a part-time or a full-time project. Here’s what you will get by working with me: * Working only on projects that I can deliver 100% * Ridiculous quality of work * Smart suggestions on increasing results/revenue and decreasing costs * Responsibility for tasks/projects I work on * Reliability * Short response time * Excellent written and verbal English skills * Good sense of humor ;) keywords: python, scrapy, selenium, requests, beautifulsoup, lxml, web scraping, web crawling, automation, bots, scrapers, spiders, cloudflare, captcha, puppeteer, playwright, tutoring, real estate, e-commerce, lead gen, zillow, trulia, realtor, redfin, streeteasy, linkedin, airbnb, auction, tripadvisor, craigslist, sales navigator, ebay, amazon, google listings, pandas, discord, google maps, indeed, glassdoor, walmart, bestbuy, target, etsy, facebook, instagram, twitter, tiktok, builtwith, walmart, watch, captcha, incapsula, cloudflare, akamai, travel, yelp, yellowpages, booking, reviews, finance, crypto, reddit, hotel, motel, zyte, leads, cars, automotive, doctor, google search, API, rest API, pcpartpicker, truepeoplesearch, restaurants, insurance, g2, retailer, zapier, google sheets, fashion, behance, serp, excel, ec2, workspace, senior, expert, bot, spreadsheet, chatGPT, data mining,automobiles,overstock,wayfair,flipkart,rakuten,jd,aliexpress,newegg,homedepot,lowes,expedia,orbitz,hotwire,kayak,skyscanner,delta,americanairlines,doordash,apartments,rent,cars,autotrader,edmunds,tesla,ford,mercedesbenz,bmwusa,twitter,pinterest,quora,reddit,,crunchbase,angel,patreon,medium,soundcloud,crawler,shopify,product,membership,directory,clay,n8n,AI,supabase,apollo,airflow

Versatile data professional with extensive experience in data analysis, team leadership, and statistical research. Skilled in data extraction, web scraping, and advanced analytics across multiple domains, with a strong background in mathematics and project management. Mathematician. Likes puzzles. Making data beautiful in R.

I have experience in Data Scraping, Data Mining. I can scrape any website data and can export the results in any structured format like CSV, JSON, Google Sheet. Tech & Stacks 🌐 Languages:JavaScript, Python, Java 💾 Databases: MS SQL, Postgre SQL 📃 Scraping Techs: Scrapy, Selenium, Puppeteer, Cheerio, selectolax 🚧 Barriers: ReCaptcha Bypassing, IP Rotation, Public/Private API Bypassing 🧰 IDE: VS Code, IntelliJ IDEA Why I'm the best for You: ➡️Experienced Programmer ➡️Efficient Coding ➡️24/7 Availability ➡️Provide Free 1 months Support ➡️TeamViewer Support/Virtual Server/Any Desk ➡️Provide time/cost-effective solutions ➡️Give 100% Satisfaction Work 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝘀𝗸𝗶𝗹𝗹𝘀: ✳️Develop Custom Scraper ✳️Develop Custom Bot ✳️Web Automation ✳️Automation Tools For your daily Work ✳️Scraping Public APIs ✳️Public Sites Data Scraping ✳️Public Sites Data Extraction ✳️Public Real Estate Scraping ✳️Data Extraction from any public directory website. Regards, Martin Hrjesik

🚀 HELPING SAAS COMPANIES, STARTUPS, AND ENTERPRISE TEAMS BUILD RESILIENT BACKEND INFRASTRUCTURE AND BULLETPROOF DATA PIPELINES Are you struggling with a sluggish backend, scaling bottlenecks, or data extraction pipelines that break the moment a site updates? When you are building a high-growth product, "just coding" isn't enough. You need an architect who understands how to build for the next 100k users without accruing technical debt. I specialize in partnering with North American and European founders to turn technical complexity into business growth. 🛠 HOW I HELP YOU SCALE High-growth companies bring me in when "good enough" is no longer an option. Here is my focus: • SEAMLESS SCALABILITY: I architect Python (FastAPI, Django) and Go environments designed for high-traffic spikes. Whether it's optimizing SQL queries or implementing Redis caching, I ensure your app stays fast under pressure. • BULLETPROOF DATA EXTRACTION: I build advanced web scraping and automation systems that reliably bypass modern bot detection (Cloudflare, Akamai). Get the market data you need without the maintenance headaches. • LEGACY REFACTORING: I help startups clean up "spaghetti code" and transition to clean, modular architectures (Microservices, Hexagonal) that are easy to maintain and test. • DEVOPS & CLOUD: Expert deployment and orchestration using AWS, Docker, and Kubernetes with robust CI/CD pipelines. 🎯 SPECIALIZED INDUSTRY EXPERIENCE • SaaS & B2B Software: Building robust APIs and multi-tenant architectures. • E-commerce & FinTech: High-volume data processing and secure integrations. • AI & Data Engineering: Pipeline automation and ETL for machine learning models. • Real Estate & Lead Gen: Massive-scale web scraping and data normalization. 💻 TECHNICAL STACK • Languages: Python (Expert), Golang, C#, Bash Scripting • Frameworks: FastAPI, Django, Flask, Celery • Data Extraction: Scrapy, Selenium, BeautifulSoup, Playwright, Appium, Puppeteer • Databases: PostgreSQL (Optimization), MongoDB, Redis, Elasticsearch • Cloud/DevOps: AWS (EC2, Lambda, S3), Docker, Kubernetes, Terraform, CI/CD • Integrations: Stripe, Twilio, Discord.py, Custom REST/GraphQL APIs, Snip API 🚀 WHY WORK WITH ME? Unlike a generalist developer, I provide senior-level oversight. I don't just write code; I design systems. • US-Client Specialization: I understand the pace, communication standards, and quality expectations of high-growth US startups. • Architecture First: I build it right the first time so you don't have to pay to build it twice. • Reliability: 6,700+ hours of proven success and a history of long-term partnerships. Ready to build a backend that actually drives business growth? Let’s schedule a brief consultation to map out the architecture for your next phase.