Hire the Best Algorithms Engineers in Zagreb, HR

I build machine learning models. To keep up with the field, I actively read machine learning papers and books, listen to podcasts, and pursue personal projects. Education and experience: I am a PhD in Computer Science on the topic of argumentation mining (subarea of NLP, natural language processing). I have also worked on large-scale software design and development as an software development engineer in AWS CloudWatch. Communication: My English is excellent and I can provide updates as often as needed. I've worked and lived in Amazon, in Ireland for 3 years. Skills: • areas of expertise: machine learning, software design, algorithms • programming languages: python, Java, C++ • technologies: AWS, docker, git, linux Some past projects: • Large-scale in-memory noSQL database for time series data • Semantic search engine for Croatian legal documents • Argumentation mining framework as part of PhD thesis

I’ve helped clients collect over 𝟭.𝟮 𝗺𝗶𝗹𝗹𝗶𝗼𝗻 𝗿𝗲𝗰𝗼𝗿𝗱𝘀 from PitchBook and 𝟭𝟳𝟬,𝟬𝟬𝟬+ 𝗹𝗶𝘀𝘁𝗶𝗻𝗴𝘀 daily from Njuskalo, giving them reliable, ready-to-use data for analytics and growth. I’m a 𝗗𝗮𝘁𝗮 𝗘𝘅𝘁𝗿𝗮𝗰𝘁𝗶𝗼𝗻 and 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 𝗘𝘅𝗽𝗲𝗿𝘁 with over four years of experience building 𝗰𝘂𝘀𝘁𝗼𝗺 𝘀𝗰𝗿𝗮𝗽𝗲𝗿𝘀 𝗮𝗻𝗱 𝗮𝘂𝘁𝗼𝗺𝗮𝘁𝗲𝗱 𝗱𝗮𝘁𝗮 𝗽𝗶𝗽𝗲𝗹𝗶𝗻𝗲𝘀 for ecommerce, real estate, and finance clients. 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀: • Build custom scrapers to extract accurate data from any website • Handle Captchas, Cloudflare, and rate limits for stable scraping • Automate repetitive data tasks and reporting workflows • Deliver clean, structured data in CSV, JSON, Excel, SQL, or API formats 𝗧𝗼𝗼𝗹𝘀: • Python (Scrapy, Playwright, Selenium, FastAPI) • SQL, APIs, Excel, Google Sheets • Rotating proxies and headless browsers using 3rd party APIs 𝗪𝗵𝗮𝘁 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝘀𝗮𝘆: “𝘐𝘵 𝘸𝘢𝘴 𝘢 𝘱𝘭𝘦𝘢𝘴𝘶𝘳𝘦 𝘸𝘰𝘳𝘬𝘪𝘯𝘨 𝘸𝘪𝘵𝘩 𝘍𝘳𝘢𝘯𝘦. 𝘘𝘶𝘪𝘤𝘬 𝘵𝘶𝘳𝘯𝘢𝘳𝘰𝘶𝘯𝘥, 𝘮𝘪𝘯𝘪𝘮𝘢𝘭 𝘥𝘪𝘳𝘦𝘤𝘵𝘪𝘰𝘯 𝘯𝘦𝘦𝘥𝘦𝘥, 𝘢𝘯𝘥 𝘨𝘳𝘦𝘢𝘵 𝘳𝘦𝘴𝘶𝘭𝘵𝘴.” “𝘍𝘳𝘢𝘯𝘦’𝘴 𝘢𝘵𝘵𝘦𝘯𝘵𝘪𝘰𝘯 𝘵𝘰 𝘥𝘦𝘵𝘢𝘪𝘭 𝘸𝘢𝘴 𝘴𝘱𝘰𝘵 𝘰𝘯. 𝘏𝘪𝘨𝘩𝘭𝘺 𝘳𝘦𝘤𝘰𝘮𝘮𝘦𝘯𝘥.” 𝗜𝗳 𝘆𝗼𝘂 𝗻𝗲𝗲𝗱 𝗮𝗰𝗰𝘂𝗿𝗮𝘁𝗲, 𝗮𝘂𝘁𝗼𝗺𝗮𝘁𝗲𝗱 𝘄𝗲𝗯 𝗱𝗮𝘁𝗮 𝗳𝗼𝗿 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁, 𝗺𝗲𝘀𝘀𝗮𝗴𝗲 𝗺𝗲 𝗮𝗻𝗱 𝗜’𝗹𝗹 𝘀𝗲𝗻𝗱 𝘆𝗼𝘂 𝗮 𝘀𝗵𝗼𝗿𝘁 𝘀𝗮𝗺𝗽𝗹𝗲 𝘁𝗼 𝘀𝗵𝗼𝘄 𝗵𝗼𝘄 𝗜 𝘄𝗼𝗿𝗸. __________________________________________________________________________ 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: BeautifulSoup, Selenium, Requests library, Scrapy framework, Puppeteer, Python programming language, TLS, WebSockets, DoH, HTTP/2, HTTP/3, XPath, CSS Selectors, Headless browsing, Regular expressions, Data mining algorithms, JSON parsing, HTML parsing, Web scraping bots, Web scraping proxies, Crawling frameworks, Web scraping middleware, IP rotation, User-agent rotation, CAPTCHA solving services, Data storage solutions, MySQL, PostgreSQL, SQLite, NoSQL databases, MongoDB, Data cleaning tools, Data transformation libraries, Data analysis tools, Pandas, NumPy, Matplotlib, Jupyter Notebook, Web scraping frameworks, Data scraping plugins, Web scraping APIs, Web scraping extensions, Scrapy spiders, Data scraping pipelines, Conda, Anaconda, Web scraping best practices, Rate limiting, Parallel processing, Threading, Asynchronous programming, BeautifulSoup4, WebDriver, API rate limiting, Web scraping frameworks in Python, n8n, RAG, AI, Workflow

Algorithms and data structures Database systems development Software engineering Designing Internet Applications PHP/postgresql/mysql Python Machine learning Deep learning Data sceince React,Vue, Angular Java programming language Multimedia systems MS Office Adobe suite

Need a full-stack product built fast without sacrificing scalability? With 15 years as a Full-Stack Developer and AI Engineer, I’ve delivered 16k+ hours and $1M+ earnings across web and mobile products. For startups and SaaS teams, I build React, Next.js, Node.js, and Flutter solutions that launch cleanly and scale confidently. 🎯 HOW I CAN HELP YOU FULL-STACK WEB APPLICATION DEVELOPMENT Launch scalable web products that convert users faster and support long-term growth. I build React, Next.js, Node.js, and TypeScript applications with architecture choices that have supported $1M+ in Upwork earnings and 100% Job Success. AI AGENT AND OPENAI INTEGRATION Add intelligent features that automate work, reduce manual effort, and create new product value. I integrate OpenAI APIs and AI workflows into existing platforms to accelerate delivery and turn ideas into usable AI-powered products. MOBILE APP DEVELOPMENT Ship iOS and Android apps that give users a smooth experience across devices and help you reach more customers. I develop with Flutter, React Native, Swift, and Kotlin, with proven experience delivering apps published to both Apple and Google app stores. SAAS PLATFORM DEVELOPMENT Turn complex ideas into secure, scalable SaaS products that are ready to monetize. I have built multi-tenant platforms with authentication, billing, APIs, and dashboards for startups and enterprise teams in as little as MVP timelines. API AND BACKEND ENGINEERING Increase system stability, speed up integrations, and support growth with robust backend foundations. I design Node.js, NestJS, Express, PostgreSQL, and cloud-based systems that handle real-world product demands across web, mobile, and AI features. 🏆 RESULTS "Thanks to Cinnamon's efforts, the app's server response times were excellent, and the end client was thrilled with the results. The team was responsive and pragmatic in responding to needs, communicating via virtual meetings, emails, and messages. Their talented engineering team was impressive." – Gregory W., Founder, Mojave Interactive LLC "Thanks to Cinnamon's work, the client has seen a 25% higher completion rate and 40% less completion time. The pricing calculators have reduced the error rates by 50%. The team delivers timely items, responds quickly to messages, and addresses requests effectively. Their support is unique." – Premnath M., Head of Software Development Digital Bank, BAWAG AG "The Android app has thousands of downloads and impressive online ratings, which reflects Cinnamon Agency's technical expertise. The team is willing to work long hours to meet deadlines. They excel at project management and have a robust reporting system in place." – Garin Toren., Founder, Ping 🎖 JavaScript Algorithms and Data Structures Certification 🎖 React Developer Certification 🎖 AI Engineering and LLM Integration Certification See full case studies in my portfolio below. 🤝 𝗚𝗘𝗧 𝗜𝗡 𝗧𝗢𝗨𝗖𝗛 Have an app idea or product to launch? Message me on Upwork today for a free consultation and a clear plan to move forward. I typically respond within 4 hours and can offer quick turnaround for urgent projects. 𝗛𝗼𝘄 𝗜 𝗪𝗼𝗿𝗸 I build in React, Next.js, and TypeScript to ship fast, maintainable web apps, then use Node.js, PostgreSQL, and AWS to keep the backend reliable and scalable. For AI features, I integrate OpenAI APIs and Cursor into workflows that automate tasks and add real product value. I also use Flutter when a project needs a polished cross-platform mobile app. I build full-stack web applications with React and Next.js, integrate Node.js APIs, and deliver mobile app development with Flutter and AI development that scales.