Serhii L.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read May 28, 2026.

Greetings! I am a Software Developer with about 20 years of experience. Over the past 10 years, I have been working mainly with Python. My strong suit is developing AI-driven robust and scalable backends for projects in versatile domains. I am well prepared to work with Machine Learning (ML) and Artificial Intelligence (AI) and looking for an opportunity to apply my knowledge to deliver exciting new projects in this area! Invite me for an interview if you feel like I’m the right person to turn your ideas into reality. TECH STACK ✅ PROGRAMMING LANGUAGES: Python, SQL, JavaScript, CSS, HTML/HTML5 ✅ FRAMEWORKS, LIBRARIES: Django, FastAPI, Scrapy, TensorFlow, Keras, ElasticSearch ✅ DATABASES: MySQL, PostgreSQL, Tortoise ORM ✅ OTHER: RestAPI, Docker ✅ AI/ML STACK: Streamlit, Gradio, Python notebooks, LlamaIndex, Langgraph, Langchain, RAG, Embeddings, LLM, FineTuning, NPL, vector database, graph database, Knowledge Graph, OpenAI, Gemini, Groq (LLama2, LLama3, Gemma, LLava, etc), Ollama In addition to the above, I have extensive code review/refactoring skills. MY MOST RECENT PROJECTS ✅ Charging Station Availability Prediction Tool One of my recent AI/ML-related solutions was a tool for predicting the availability of charging stations based on my team's dataset for 2021-2024. For this project, I used Python and the NeuralNetTorch model. ✅ Food Delivery Orders Aggregator An aggregator of discounts for food delivery in Asian countries. Our developers have developed scrapers, regularly gathering data from several food delivery platforms like Uber Eats, Talabat, Zomato, Deliveroo, and others. That helped them to display the data in a unified interface so that the end-users could choose the most attractive deals for food delivery in their location. ✅News system — News aggregator. An aggregator of articles from google news. Our developers have developed scrapers, which are regularly gathering data from several news platforms which were scraped previously from Google. That helped them to display the data in a unified interface so that the end-users could read the news they were interested in. LANGUAGES I SPEAK Ukrainian is my native language. Besides, I have strong English skills. Most of my previous customers were English-speaking, so I am comfortable communicating in English. MY TEAM I am at ease as an individual contributor, but being a team player works best for me. So I joined Extrawest — an Upwork Top Rated Agency specializing in FinTech and Banking, Gambling and Betting, Food Ordering and Delivery, Logistics and Fleet Management, Medical Insurance and Healthcare, and special software for Electric Vehicles Charging Station networks since 2006. Having most of our resources based in Europe, we’ve been working with customers from over 20 countries (the US, Canada, Australia, most of the EU, South Africa, Singapore, Japan). Hence, it won’t be a problem for us to adjust to your timezone and working schedule. INVITE ME FOR AN INTERVIEW If you feel I’m a good fit for your project, let's discuss how I can help streamline your business’s growth! 🟩 🟩 🟩 🟩 My Agency Skills: Front-End (Frontend) Development, Back-End (Backend) Development, Full-Stack (Fullstack) Development, Mobile Development, Artificial Intelligence (AI), Machine Learning (ML), EV Charging, Automotive, Logistics, Delivery, Food Ordering, FinTech, Healthcare, Insurance, Betting, Gambling, Flutter, Dart, JavaScript (JS), TypeScript (TS), Angular, Vue.js (VueJS, Vue), React.js (ReactJS, React), Node.js (NodeJS, Node), Java, Spring, SpringBoot, Hibernate, Python, Django, Scrapy, Quality Assurance (QA), Manual Testing, Automated Testing, UI/UX Design, Figma, Adobe Creative Cloud, DevOps, MySQL, PostgreSQL, MongoDB, Firebase, Docker, Amazon Web Services (AWS), Google Cloud Platform (GCP), Project Management (PM).