Xavier is Chatbot & Backend Developer, Node.js Tech Lead & Technical Director from Belgium and he did a Postgraduate in Generative AI. He is a people person. He architects, implements and integrates web & AI solutions. He loves learning how complex ecosystems work. He builds teams and applications. With his analytical mindset, good communication, coaching and negotiation skills, Xavier translates business and product needs from stakeholders into technical requirements and implements them. Xavier is passionate about R&D, Finance Pharmaceutical, Medical and Impact-oriented industries. He likes to evaluate business needs and turn them into real applications with an agile team. Next to his life in Silicon Valley, he collaborated with Stanford to create hardware and software for Hospital patients. He also created multiple chatbots from 2016 till now, using PostgreSQL, Python and Node.js, Google Cloud and Microsoft Azure. Some chatbots are still up and running in production, serving hundreds of thousands of users and customers. 2025: Postgraduate in Generative AI and Machine Learning University of Texas, Austin, USA This is a study program created by academic teachers in 2024 led by global experts. Focusing on a "learning by doing" approach, the program develops hands-on skills to apply AI to real-world challenges. It equips with practical skills to master Generative AI, Machine Learning, Deep Learning and Agentic AI. (GPA 4.22)
- GenAi Toolkit: Cursor, Pandas, NumPy, Matplotlib, Scikit-learn, Word2vec, Tensorflow Keras, Embeddings, Sentence Transformers, Data Chunking, Vector Databases, OpenAi, LLM, TLM, MCP, RAG, ChromaDb, Google Colab, LangChain, ReAct, Streamlit, HuggingFace, Similarity search, Prompt Engineering.
- GenAi Projects: Stock market Sentiment Analyser, Agentic Chatbot, RAG-based Medical assistant
- Extracurricular: Alumni speaker 2017 - 2026: Chatbot & Backend engineer, Node.Js Tech lead Brussels, Belgium Xavier focuses on software architecture, integrations and implementation. Xavier is Solutions oriented, Product centric & Customers oriented. He likes challenging projects like the ones in Silicon Valley.
- Toolkit: Node,JS, Python, Chatbot, Dialogflow, Cursor, REST API, Database Modelling, Validation, SaaS, CI/ CD, E2E testing, Nest.JS, React.JS, Vue.JS, Jest, Typescript, Javascript, PHP, Laravel, XML, SFTP, YAML, MySQL, PostgreSQL, Enterprise architecture, Event Sourcing, Microservices, Security, Claude Code, Cursor 2014 - 2017: Chatbot & Backend engineer, Technical Director at GoodTime Labs in Palo Alto, California Xavier was technical director of a team distributed around Silicon Valley and Europe. Xavier and his team developed mobile applications for iPhone and iPad, as seen on national television ABC. They built world-first micro-localised wireless mobile payments application in 2014 using Node.JS, iBeacons, Bluetooth. After that, they built an AI agent assisting pregnant women as well as families with newborn children.
- Toolkit: Integrations, Programming, Testing, Document, State Machines, Event Driven, Test Driven. Node.JS, Python, Chatbot, Integration Tests, Artificial Intelligence, Code Review, Technical choices, iOS, Swift, ObjectiveC, Migration, Technical Requirements, Wireless Payments, Feasibility study, Agile, Data-driven, Ecommerce, Performances, Systems Scalability 2013 - 2014: Multiplatform Developer, Coach at Blackbox Accelerator in Palo Alto, California Xavier advised startups part of the startup accelerator from Google in Silicon Valley. He provided Technical advices and developed a Multiplatform mobile application using Javascript for Blackbox accelerator. 2008 - 2013: - Education at Université Catholique de Louvain in Belgium
- Master: Computer science, software engineering major & entrepreneurship minor - cum Laude
- Bachelor: Computer science major & business management minor - Magna cum Laude
- Abroad: Universidad Politecnica de Madrid, National Technical University of Ukraine, University of Iceland
- Internship: Multiplatform mobile Application Developper at Emakina in Brussels xavier.insightlabs@gmail.com +32.498.06.37.85 fr / en EXPERIENCE SUMMARY XAVIER DE RYCKEL
2025: Postgraduate in Generative AI and Machine Learning - University of Texas, Austin, USA My professional goal was to master Machine Learning, Deep Learning, and Generative AI. Specifically I wanted to enrol in an American University and learn inner workings of Chatbots, LLMs and Agentic AI. Outcome: I enrolled in University of Texas and developed GenAi Applications including Stock Market Sentiment Analyser, Agentic Chatbot and RAG-based Medical Assistant. I implemented GenAi & Agentic AI architectures using OpenAI, ChatGPT, LangChain, RAG, Vector Databases and HuggingFace. 2023 - 2024: Backend Engineer & Architect, Technical Director at Fitme - Brussels, Belgium My professional goal was to Enforce quality through test-driven development. Translate requirements in a robust, performant and secure technical solution. Maintain existing web platforms. Develop new features in existing web platforms. Design and architect new web platform. Outcome: Technical analysis, Architecture, Server migration, Monolith and Micro services Design and implementation, Database management, Automated testing, Amazon MTurk process automation, Infrastructure hosting through Azure, server, Node.js, Typescript, React, Nest.Js, PM2, Workers, Performances, HubSpot, Clickup, Maintainability and Optimisation, authentifications, CI/CD, QA, Hiring of frontend developer. 2020 - 2022: Backend Engineer, Technical Director at Dieteren/MyWay Pro - Brussels, Belgium My professional goal was Create corporate grade platform embedded in a large scale trading production environment. Ensure the end-to-end delivery of IT projects including design, development, testing and deployment. Collaborate and integrate with internal and external partners. Consult on specific technology and platform choices. Coordinate the technical integration of external partners. Develop and improve new and existing products. Develop e-commerce digital sales platform. Identify bugs and find solutions with external partners. Outcome: E-commerce platform and vehicles stock management platform integrating providers. Integration, Recruitment, Maintainability, Scalability, Test, Airtable, Google Data Studio, PowerBi, Google Cloud, Google Pub/Sub, Workers, Azure Pipeline, Event-Driven Architecture, Event sourcing, Node.js, Nest.JS, Typescript, Vue. Xavier and his team built a system selling thousands of used cars in production, creating hundreds of sales lists. 2019: Backend Engineer & Architect, Technical Director at Mantu/Amaris Startup Studio - Brussels, Belgium My professional goal was to Operationally manage fullstack development team including frontend, backend, UI, UX. international team members were working in the studio. Management of technical framework for studio projects. Development and delivery in estimated Time & Budget. Operational link between Studio & Amaris Group. Outcome: Technical framework and jobs matching platform. Integration, Technical Choices, Recruitment, Maintainability, Scalability, Test, Javascript server, React App. Typeform, Tableau, Grafana, Make, Zapier, Google Ads. As Member of the Steering Committee of the Studio, Xavier hired & lead developers based in Europe, UK & China. Xavier opened a technical office in Lisboa. 2018: Chatbot developer, Backend Engineer and architect at RingRing - Brussels, Belgium My professional goal was to Create first Telecommunication Chatbot Protocol of Google in Belgium using RCS. Outcome: Development and Deployment of AI Chatbot using Google Dialogflow, receiving and sending Interactive Messages over Rich Communication Services between Businesses, as well as a Web Interface. EXPERIENCE DETAILS XAVIER DE RYCKEL
. 2017: Chatbot & Backend Developer, Technical Director at SoWhat.ai - San Francisco, USA & Paris, France My professional goal was to provide Technical leadership and development of SoWhat chatbot Outcome: Node.js Express Chatbot, Backoffice and Restful API Backend 2014 - 2017: Chatbot & Backend Developer, CTO at GoodTime Labs - Palo Alto, California My professional goal was to build an AI Chat assistant, a physical contactless payment solution, a POS, a scalable iOS app & server & team, setup efficient processes for remote technical work. Outcome: Webflow, AI-backed Chat assistant & micropayments mobile App in brick & mortar stores. Integrations and Technical Choices, Recruitment, Maintainability, Scalability, Test, Js server, Python server, Bluetooth Chip, Mobile Payments iOS App, React backoffice, Javascript dashboard. Within payments Xavier integrated Stripe, together with Stripe CEO. Xavier managed remote scrum tech team spread around Spain, Slovakia, Poland and USA 2013 - 2014: Fullstack web engineer at Blackbox Accelerator - Palo Alto, California My professional goal was to Create entrepreneurial opportunity through mentorship for members of the accelerator, develop and share technical knowledge, digital resources and networks that entrepreneurs need to succeed. Outcome: Development of a Multiplatform management app, Technical recommendations to international startup CEOs as interim CTO. Xavier was mentoring incoming digital startup entrepreneurs visiting Silicon Valley with technical advice aimed at building scalable digital businesses.