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I've specialized as a developer and financial engineer throughout my career. I worked in the Proprietary Trading Industry between 2012-2019 and in 2019 I became a full-time financial engineering consultant. Whether you're trying to conduct big data analysis, back test, create data pipelines, or price derivatives-- I can help. I'm experience with Python in the context of big data analysis, machine learning, visualization, scripting, automation, and general software development. I manage various levels full stack applications and can help you build many pieces to your puzzle. I'll can manage your project from start to finish or contribute to a specialized need. Frequent and fruitful communication is important to me, so let's keep in touch!
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Very hard working, fast and reliable.
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Specializing in distributed systems, cryptography, and applied mathematics. My focus is on the practical implementation of cryptographic solutions and the development of scalable, high-performance distributed systems.
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👋 Hi, I'm Leonid Oleksiuk, founder and lead architect at Stellar Logic, a custom software development company based in Warsaw, Poland. I help clients build complex IT solutions: I design the architecture myself and deliver the project with my team, covering backend, frontend, cloud and CI/CD end to end. 🏆 Why work with us: ✔ As lead architect I design scalable systems that fit your budget and timeline. ✔ I can start solo and scale up to a full team (backend, frontend, DevOps, QA) as the project grows. ✔ Senior in-house developers, no outsourcing to random contractors. ✔ Clear communication, predictable delivery, high code quality. 🤝 Tell me about your project and I'll propose the right architecture and team setup.
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Python developer and physics graduate focused on data analysis, automation and scientific computing. I build Python scripts for data processing, APIs, web automation and numerical tasks, and work with NumPy, Pandas, visualization and AI-assisted development. I also develop PhysicsLab, an interactive physics-learning web platform. I’m comfortable with technical research, debugging existing code and turning repetitive workflows into small automated tools.
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👋 Hi there! I’m thrilled you’re here. I’m a skilled Python developer specializing in custom bot development, data scraping, and AI chatbot solutions. For years, I’ve worked with entrepreneurs, traders, and businesses worldwide, delivering automation tools that save time and boost profits. My focus is on crafting reliable, scalable solutions with clear communication to ensure your project succeeds. I’ve completed 50+ successful projects across platforms, earning praise for my technical precision and client-first approach. Many clients return for my ability to turn complex ideas into seamless workflows. 🧠 What I Bring to the Table Custom Bot Development Web Scraping & Data Automation AI Chatbot Development 🛠️ Tools & Tech I’m Comfortable With Programming: Python, JavaScript, SQL Libraries: BeautifulSoup, Scrapy, Selenium, Pandas Dev Tools: Git, VS Code, Docker, Postman Platforms: Google Cloud, AWS, Heroku APIs: Gmail, OpenAI, Binance, Google Sheets DBs: MySQL, SQLite
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🌍 About Me (English – LaborX) 👋 Hi, I’m Patrick – a passionate Python Developer & WordPress Expert helping businesses grow with smart digital solutions. 💻 What I do: 🐍 Python: custom scripts, automation, APIs, databases, GUI 🌐 WordPress: professional websites with Divi, optimized for speed & design 📈 Systeme.io: powerful sales funnels that turn visitors into customers ✨ Why clients trust me: ✅ Strong technical expertise ✅ Clear communication & transparency ✅ On-time delivery, always ✅ 100% focus on client satisfaction My mission is simple: deliver reliable, results-driven solutions while making your life easier. 👉 Let’s work together — place your order today and watch your ideas come to life! 🚀
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I was working as a full-time employee and then suddenly started working as a freelancer, so I didn't prepare my profile and resume properly, so please understand. My abilities will be evaluated while I'm working. As long as your project matches my skills, it will be completed at a reasonable price, with high quality, and in a short period of time. I look forward to starting work immediately.
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Versatile Data Analyst and AI Trainer with expert proficiency in Python and R. Proven expertise in building RAG (Retrieval-Augmented Generation) pipelines, data preprocessing, and Chinese-to-English translation. Experienced in transcribing and annotating complex datasets for AI model training, combined with strong statistical modeling and data visualization skills in R. Exceptionally qualified for remote AI evaluation, data engineering, and professional insights roles.
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Enterprise Architect & Tech Lead | AI Automation & Secure Backends I don't just ship code; I build robust digital assets that maximize ROI and eliminate infrastructure failure. With 20+ years of technical execution, I bridge the gap between high-stakes business logic and secure, high-performance architecture. Core Matrix: Scalable Infrastructure: Advanced microservices, Node.js, FastAPI, and Python backends engineered for zero-downtime under heavy loads. AI & Business Automation: Custom AI agents and automated n8n pipelines designed to slash operational costs. Risk Mitigation: Strict data validation, security audits, and robust KYC/KYB layers to prevent logic exploits. Stop losing money on messy code and unscalable setups. Whether you need a Shadow CTO to audit your current platform or an architect to build autonomous systems from scratch, I deliver clean, production-ready systems. Let's build to scale.
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Senior React & React Native Engineer (7+ Years Exp). I build scalable web and mobile apps using Next.js, Vue, and Node.js. Expert in UI/UX implementation and performance optimization. Full-stack capable (Django/Postgres). Ready to deploy high-quality code immediately.