Roman Trehub

Java · Javascript and Typescript

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I specialize in developing solutions in the field of artificial intelligence, machine learning, and RAG systems. This is my main professional area: I study AI/ML at the master's level and work with tasks related to LLMs, embeddings, vector databases, data processing, intelligent search, and AI-powered chatbots. I develop AI/RAG systems for working with documents, knowledge bases, FAQs, CRM systems, and internal company data. I can build a context-aware chatbot, document search, text analysis and classification, information extraction from files, and LLM integration into a web application or…
Dmytro Zakushniak

Java · Bot Development

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105
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Backend Developer (Java/Spring) & AI Automation Expert (Python)I specialize in the architecture of complex backend solutions and intelligent Telegram bots. With a background in Computer Engineering, I don't just write code; I design systems built for high loads and stability.My Technical Stack: Java (Core, Spring Boot, Security, JPA): Development of complex corporate systems, bank-grade security, and scalable APIs. Python (AI/ML, OpenCV, YOLO): Creating smart bots with object recognition and AI integration (ChatGPT/Gemini/DeepSeek). Data: Design and optimization of MySQL/PostgreSQL databases…
Hugo Piat-Lillo

Java · Javascript and Typescript

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105
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Passionate full-stack developer with over 5 years of experience in web and mobile application development, primarily using Java, Spring Boot, React, and native mobile technologies. My journey has allowed me to design and deploy robust solutions, both as part of a team and as an independent contributor. Always seeking new challenges, I am particularly motivated by projects that demand creativity and technical expertise, with a strong focus on scalable and sustainable solutions. My goal is to continue developing high-value applications while contributing to dynamic and innovative teams. My…