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# Ivachev Fedor (费杰) ## Self-Introduction * I am a PhD candidate in Computer Science at Tsinghua University, focusing on **Human-Computer Interaction** — specifically context-aware conversational systems based on real-world scenarios. * I have accumulated engineering experience at international tech companies such as Huawei and Samsung, with full-stack capabilities ranging from low-level algorithm development to the deployment of large language model applications, covering **Computer Vision**, **Mixed Reality**, and **AIoT**. * Trilingual (English/Chinese/Russian), I am committed to promoting innovative applications of AI in diverse scenarios. ## Work Experience #### Tsinghua University, Beijing (Teaching Assistant, 2021/01 - 2022/01) * Assisted lead instructor in facilitating the Human-Computer Interaction course. * Helped and taught both international and local students. * Developed educational tutorials and provided assistance for student group projects. #### Huawei Technologies Co., Ltd, Moscow (Software Engineer, 2019/02 - 2019/08) * Worked on low-level graphic profiling tools using **C++**. * Retrieved data from integrated GPU counters for more precise draw call timing. * These tools were used by graphic optimization and QA teams. * Coordinated with developers across Russia and China. #### Samsung RC, Ltd, Moscow (Intern, Programmer, 2018/06 - 2018/09) * Developed computer vision algorithms for the 3D Avatar team using **C++** and **Python**. * Modified OpenCV source code to correct camera distortion and implemented facial physical landmark detection. * The solution was later integrated into the operating system release. ## Education * PhD in Computer Science (2021/09-2026/07), Tsinghua University, China. All coursework completed. From 2026/05, taking 1-3+ years leave due to family reasons; will require approximately 3 months leave for PhD defense upon return. * Master's in Computer Science (2019/09-2021/06), GPA 3.9, Tsinghua University, China * Bachelor's in Computer Science (2015/09-2019/06), Lomonosov Moscow State University, Russia ## Projects & Technology Stack * **OpenAI API + Azure AI + Huawei Mobile Services** — AI real-world agent: an LLM-based agent that uses multimodal information from sensors to build comprehensive human portraits and manage real-world contextual conversations. * **Unity C# + IoT platforms** — [NUIX-Studio APP](https://github.com/FedorIvachev/NUIX-Studio-APP): a platform to test AIoT environments in VR. Based on Microsoft MRTK, OpenHAB, and HomeAssistant (v1), it lets users extend real-world IoT devices with VR functionality. Version 2 uses Oculus SDK and includes a UI for prototyping IoT interactions without programming knowledge. * **Blender** — TikTok effects: I created 10 advanced AR effects for TikTok (Douyin), used over 3 million times. ## Qualifications and Awards * First Prize, China International College Students' Innovation Competition (2025) Beijing Region (2025) * Innovation Challenge Excellence Award, 5th Tsinghua Craftsmanship Competition – Exploration & Innovation Track (2025) * Tsinghua University-Goertek Innovation Proposal Competition — Outstanding Mentor Award (2024) * TCL RayNeo AI Challenge — 3rd Place (2024) * Huawei Certification: HCIA-AI (2020) * MSU Higher School of Business — Best Startup 2018: AI Vehicle Damage Assessment (2018) * Certificate: 2-week Web App Development Practice, Samsung RC, Moscow (2017) * Yandex.Money Hackathon — Most Technological Bot (2016) * National and First-level Olympiads in Mathematics (2015, 2012); National Olympiad in Competitive Programming (2014) ## Publications * Modification of Algorithm for inverting matrices with elements from ring of scalar differential operators. CMC MSU MAKS PRESS 2019: 88 (in Russian) * LinguaReality: Exploring Context-Aware Language Learning through Conversational AI. UIST 2026 (CCF A; under submission). Demo: https://linguareality-backup.azurewebsites.net ## Misc. Information * Languages: English (C2, IELTS 7.5), Chinese (B2, HSK3 295/300), Russian (native)