Petr L.

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/is expensive. I know ways to drive your recurring costs toward zero 🧠 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 marketing automation platform packed with everything you need to run email/phone marketing campaigns on your own — paying only for your SMTP server. Now, with AI-powered phone outreach and CRM integration! 🏢 An internal platform for an advertising company to manage the distribution of product samples to ~1M people yearly. Features include a 1.6M 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. 🏠 Data aggregation and analytics software for Airbnb and similar platforms that helps hosts make better decisions by analyzing competitors’ prices, availability, and income trends. 🗂️ Product/real estate/jobs aggregator, scraping inventories of up to 10 websites, 100K+ products. Features 1-hour update cycle, Shopify and WooCommerce integrations, AI-powered product description management. 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'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. - My productivity is boosted with AI: managing team of agents is quite like managing team of developers. Now I have a team. - Proven track record: 10 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" AI can write code. I can make product that works for you - with AI speed. Click "Invite to Job" and let's get things done. ===================== Key skills: Python, Playwright, Beautiful Soup, PHP, WordPress, Woocommerce, API, BYOK, DuckDB, Clickhouse, MySQL, Excel, Google Sheets, Open AI, OpenAI, Claude, Gemini, AI automation, AI integration, AI content writing, Vapi, Retell AI, Twilio, 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