Ruiqi Tan
Luxembourg,LU
Summary
DevOps Engineer and Deployment Manager with strong experience in telecom infrastructure, software development, and system security. Contributed to POST Luxembourg's BOSS system via Whale Cloud, leading release, configuration, and change management across environments. Skilled in Python, Docker, PostgreSQL, Kubernete, and CI/CD pipelines. Effective in cross-team collaboration, incident handling, and delivering secure, scalable systems. Fluent in English, German, Chinese; French B1.
Overview
5
5
years of professional experience
1
1
Certification
Work History
DEVOPS ENGINEER
Whale Cloud Technologies
09.2020 - 08.2022
- Led deployment, configuration, and release management for the BOSS telecom system in close collaboration with POST Luxembourg.
- Managed CI/CD pipelines, Dockerized services, and integrated PostgreSQL.
- Handled incident/change tracking via ServiceNow (SNOW) and JIRA.
- Maintained infrastructure security and monitoring across main and backup servers.
- Handling technical incidents and accidents based on the L3 agreement, liaising between developers, testers, and business users.
- Provided technical babysitting for onsite engineers in English and German.
SELF-ENTREPRENEUR
HomeSmartify.lu
Luxembourg
10.2024 - Current
- Designed the SmartHome Consulting workflow and automated it with a Python script.
- Fine-tuned Mistral LLM with synthetic data for conducting configuration dialogue.
- Build an AI-driven web crawler, automate text categorization, and estimation.
- Automates the newsletter procedure from data scraping to email sending with Python.
SENIOR IT AUDITOR
KPMG Luxembourg
09.2022 - 08.2024
- Developed innovative data solutions to accelerate fund reconciliation, reducing average runtime by 30%.
- Conducted intelligence gathering and analysis to identify root cause for cybersecurity attack.
- Led IT audit and consulting engagements for international clients, ensuring compliance with ISO 27001, DORA, GDPR and PSD2.
- Provided technical roadmap to strengthen IT governance and enhance infrastructure resilience.
Education
MBA - Blockchain & Big Data
HEC LIÈGE & LHoFT Luxembourg
Luxembourg06.2025
Master of Science - Economics
Münster University
Münster, Germany03.2020
Bachelor of Science - Business administration
HENAN UNIVERSITY OF TECHNOLOGY
Zhengzhou, China06-2014
Skills
- Python
- JavaScript
- Restful API
- Kubernetes
- Nginx
- CI/CD
- GitHub Actions
- OpenAI API
- Flask
- AWS
- Azure
- RHEL
- PostgreSQL
- MySQL
- MongoDB
- ElasticSearch
- InfluxDB
- VectorDB
- Prometheus
- Grafana
- ELK Stack
- Machine learning
- Kibana
- Docker
- OpenSSL
- LDAP
- AD
- ZSmart Cloud Manager
- Numpy/Panda/Scikit
Certification
- Microsoft Certified: Azure Fundamentals
- AWS Certified Cloud Practitioner
- AWS Certified AI Practitioner
- PCEP - Certified Entry-Level Python Programmer
- Python - Object Oriented Programming and Desktop Application Creation
- Python - Data Analysis
- Elements of AI - Luxembourg University
Projects
- LLM Preference Prediction – Kaggle Competition
Designed and fine-tuned a DistilBERT-based model to predict user preferences in LLM responses. Integrated categorical embeddings and enhanced transformer architecture by combining textual and structured inputs, demonstrating strong competency in custom NLP model development and AI evaluation design. - Blockchain & AI Trends Newsletter – AI-Powered News Aggregator
Architected and open-sourced an automated microservice-based platform that scrapes, categorizes, and publishes Blockchain & AI news. Combined LLM-based classification with traditional web scraping, highlighting skills in hybrid AI pipeline design, data automation, and intelligent content distribution. - Personal RAG System – Private Data Assistant with Vector DB
Built a secure, local Retrieval-Augmented Generation (RAG) system using LLMs + vector database for querying personal datasets. Designed for privacy-preserving AI integration, this project showcases capabilities in semantic search, embedding-based retrieval, and scalable AI system architecture.
Languages
English, German, Chinese, French
Awards
- Blockchain Scholarship Winner, HEC Liège Luxembourg, 2025
- State Scholarship, 2013, Bachelor in China
- Excellent Student Scholarship, 2012, Bachelor in China
Languages
Chinese (Mandarin)
First Language
English
Advanced (C1)
C1
German
Proficient (C2)
C2
French
Intermediate (B1)
B1
Timeline
SELF-ENTREPRENEUR
HomeSmartify.lu
10.2024 - Current
SENIOR IT AUDITOR
KPMG Luxembourg
09.2022 - 08.2024
DEVOPS ENGINEER
Whale Cloud Technologies
09.2020 - 08.2022
MBA - Blockchain & Big Data
HEC LIÈGE & LHoFT Luxembourg
Master of Science - Economics
Münster University
Bachelor of Science - Business administration
HENAN UNIVERSITY OF TECHNOLOGY
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