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I am a dedicated computer science professional with a strong background in AI, machine learning, and full stack web development. I have hands-on experience designing and implementing intelligent data platforms and automated e-learning content generation using Python, PyTorch, and advanced NLP techniques. I enjoy integrating large language models to solve complex problems effectively. Currently based in Munich, I leverage my multidisciplinary expertise to build intelligent systems combining AI-driven data extraction, web application development, and knowledge graph augmentation. I thrive in collaborative environments, combining deep technical skills with practical project management and cultural coordination experience.…I am a dedicated computer science professional with a strong background in AI, machine learning, and full stack web development. I have hands-on experience designing and implementing intelligent data platforms and automated e-learning content generation using Python, PyTorch, and advanced NLP techniques. I enjoy integrating large language models to solve complex problems effectively. Currently based in Munich, I leverage my multidisciplinary expertise to build intelligent systems combining AI-driven data extraction, web application development, and knowledge graph augmentation. I thrive in collaborative environments, combining deep technical skills with practical project management and cultural coordination experience.

JiaJian Cheng

Web Developer, Full Stack Developer, AI Engineer, +2

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I am a dedicated computer science professional with a strong background in AI, machine learning, and full stack web development. I have hands-on experience designing and implementing intelligent data platforms and automated e-learning content generation using Python, PyTorch, and advanced NLP techniques. I enjoy integrating large language models to solve complex problems effectively. Currently based in Munich, I leverage my multidisciplinary expertise to build intelligent systems combining AI-driven data extraction, web application development, and knowledge graph augmentation. I thrive in collaborative environments, combining deep technical skills with practical project management and cultural coordination experience.…I am a dedicated computer science professional with a strong background in AI, machine learning, and full stack web development. I have hands-on experience designing and implementing intelligent data platforms and automated e-learning content generation using Python, PyTorch, and advanced NLP techniques. I enjoy integrating large language models to solve complex problems effectively. Currently based in Munich, I leverage my multidisciplinary expertise to build intelligent systems combining AI-driven data extraction, web application development, and knowledge graph augmentation. I thrive in collaborative environments, combining deep technical skills with practical project management and cultural coordination experience.

Available to hire

I am a dedicated computer science professional with a strong background in AI, machine learning, and full stack web development. I have hands-on experience designing and implementing intelligent data platforms and automated e-learning content generation using Python, PyTorch, and advanced NLP techniques. I enjoy integrating large language models to solve complex problems effectively.

Currently based in Munich, I leverage my multidisciplinary expertise to build intelligent systems combining AI-driven data extraction, web application development, and knowledge graph augmentation. I thrive in collaborative environments, combining deep technical skills with practical project management and cultural coordination experience.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Large Language Models

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Chinese

Fluent

Spanish; Castilian

Fluent

Catalan; Valencian

Fluent

English

Advanced

Work Experience

Working Student at FAST AI MOVIES

October 1, 2025 - September 4, 2025

Automatically creating custom e-learning video content from C2C through PDF documents. Developed an automated pipeline for extracting and processing text and images from PDFs using Python, PyTorch, and Spacy. Integrated large language models, such as Mistral and GPT, to generate coherent and contextually accurate video scripts through few-shot learning methods. Managed prompt engineering to fine-tune model output, applied advanced NLP techniques including named entity recognition (NER) for accurate content extraction and script enhancement.

Working Student at FAST A I MOVIES

October 1, 2025 - August 4, 2025

I automatically create custom E-learning video content from C2C through PDF documents using Python, PyTorch, and SpaCy. I developed an automated pipeline for generating corporate E-learning video content by extracting and processing text and images from PDF documents. Integrated large language models such as Mistral and GPT to generate coherent and contextually accurate video scripts through few-shot learning methods. Managed prompt engineering to fine-tune model output and applied advanced NLP techniques, including named entity recognition (NER), to ensure key entities from the original content were accurately extracted and included.

Working Student at Huawei Research Center

January 1, 2024 - Present

Worked on web data extraction, AI-driven text processing, and full-stack web development for intelligent data platforms. Designed and developed full-stack web applications for querying, processing, and summarizing large volumes of unstructured and structured data using TypeScript, HTML/CSS/JavaScript for the front-end and Python (FastAPI, Django) for RESTful APIs and backend orchestration. Integrated advanced Large Language Models (GPT, Mistral, Ollama) into production systems, implementing Retrieval-Augmented Generation (RAG) pipelines and knowledge graph augmentation to enhance domain-specific reasoning and accuracy. Integrated Model Context Protocol (MCP) for DB and LLM connections.

Working Student at Huawei Research Center

January 1, 2024 - Present

Worked on web data extraction, AI-driven text processing, and full-stack web development for intelligent data platforms. Designed and developed a full-stack web application for querying, processing, and summarizing large volumes of unstructured web data using TypeScript + HTML for dynamic user interaction and Python for providing RESTful endpoints, background job handling, and integration with LLM. Implemented web scraping pipelines using Python (Scrapy, BeautifulSoup, Selenium) for structured data retrieval. Integrated MCP (Model Context Protocol) for DB and LLM connections.

Full-time Software Developer at Album

September 1, 2023 - September 4, 2025

Developed and maintained a web platform for selling image reproduction rights, covering both backend and frontend tasks using PHP, C++, SQL, HTML/CSS, and Python. Designed and optimized the shopping cart functionality, including payment system integration (PayPal, credit cards) and REST API connections to external photo providers, enhancing transaction flow and user experience. Developed database schemas and optimized MySQL queries to improve performance and scalability for handling large amounts of image data. Designed the user interface to ensure seamless experience while working closely with cross-functional teams including product managers and designers to translate business requirements into functional features.

Full-time Software Developer at Album

September 1, 2023 - August 4, 2025

Developed and maintained a web platform for selling image reproduction rights covering both backend and frontend tasks using PHP, C++, SQL, HTML/CSS, and Python. Designed and optimized shopping cart functionality including payment system integration (e.g., PayPal, credit cards) and REST API connections to external photo providers, enhancing the platform’s transaction flow and user experience. Developed database schemas and optimized queries in MySQL to improve performance and scalability for handling large amounts of image data. Designed user interfaces (UI) ensuring a seamless experience for users while working closely with cross-functional teams including product managers and designers to translate business requirements into functional features.

Part-time Software Developer at Indra

July 1, 2022 - September 4, 2025

Developed and maintained a government farm management system focusing on both frontend (AngularJS) and backend (Java, MySQL) solutions to ensure system functionality and usability. Optimized MySQL database queries and refined backend architecture to enhance performance and enable efficient handling of complex data operations. Utilized Source Tree for version control and collaborated with team members through Jira to track progress, ensuring smooth project delivery with minimal disruptions. Conducted code reviews and testing to identify and resolve bugs, improving overall system reliability and performance.

Part-time Software Developer at Indra

July 1, 2022 - August 4, 2025

Developed and maintained a government farm management system focusing on both frontend (AngularJS) and backend (Java, MySQL) solutions to ensure the system's functionality and usability. Optimized MySQL database queries and refined the system’s backend architecture to enhance performance, enabling the system to handle complex data operations efficiently. Utilized Source Tree for version control and collaborated with team members through Jira to track progress, ensuring smooth project delivery with minimal disruptions. Conducted code reviews and testing to identify and resolve bugs, improving the overall reliability and performance of the system.

Working Student at Dama-UPC

September 1, 2019 - September 4, 2025

Developed an Android-based government nursing home management system focusing on UI/UX design and backend integration using Java, SQL, and HTTP protocols to ensure user-friendly interfaces and reliable data processing. Designed and implemented efficient SQL database schemas allowing quick retrieval and management of resident and facility data. Actively participated in testing and debugging to ensure system stability and efficiency before deployment, addressing any technical issues that arose during development.

Working Student at Dama-UPC

September 1, 2019 - August 4, 2025

Developed a government nursing home system focusing on UI/UX design and backend integration using Java, SQL, and HTTP protocols to ensure a user-friendly interface and reliable data processing. Designed and implemented efficient SQL database schemas, allowing for quick retrieval and management of resident and facility data. Actively participated in testing and debugging to ensure the system’s stability and efficiency before deployment, addressing any technical issues that arose during the development process.