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I am Leibo Cui, an ICT Solutions Architect with over 15 years of experience designing and delivering enterprise cloud, data analytics, and telecom core solutions. I specialize in scalable, secure, and resilient platforms using AWS, IaC pipelines, and microservices, driving measurable business outcomes and modernization across multi-million dollar programs. I am currently pursuing a Master of Science in Data Science and Artificial Intelligence at Hang Seng University of Hong Kong and continuously explore AI/ML, LLMs, and Retrieval-Augmented Generation to empower practical business applications. I enjoy leading cross-functional teams and delivering high-impact solutions that blend technology with strategy.…I am Leibo Cui, an ICT Solutions Architect with over 15 years of experience designing and delivering enterprise cloud, data analytics, and telecom core solutions. I specialize in scalable, secure, and resilient platforms using AWS, IaC pipelines, and microservices, driving measurable business outcomes and modernization across multi-million dollar programs. I am currently pursuing a Master of Science in Data Science and Artificial Intelligence at Hang Seng University of Hong Kong and continuously explore AI/ML, LLMs, and Retrieval-Augmented Generation to empower practical business applications. I enjoy leading cross-functional teams and delivering high-impact solutions that blend technology with strategy.

Leibo Cui

Data Scientist, AI Engineer, Developer, +2

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I am Leibo Cui, an ICT Solutions Architect with over 15 years of experience designing and delivering enterprise cloud, data analytics, and telecom core solutions. I specialize in scalable, secure, and resilient platforms using AWS, IaC pipelines, and microservices, driving measurable business outcomes and modernization across multi-million dollar programs. I am currently pursuing a Master of Science in Data Science and Artificial Intelligence at Hang Seng University of Hong Kong and continuously explore AI/ML, LLMs, and Retrieval-Augmented Generation to empower practical business applications. I enjoy leading cross-functional teams and delivering high-impact solutions that blend technology with strategy.…I am Leibo Cui, an ICT Solutions Architect with over 15 years of experience designing and delivering enterprise cloud, data analytics, and telecom core solutions. I specialize in scalable, secure, and resilient platforms using AWS, IaC pipelines, and microservices, driving measurable business outcomes and modernization across multi-million dollar programs. I am currently pursuing a Master of Science in Data Science and Artificial Intelligence at Hang Seng University of Hong Kong and continuously explore AI/ML, LLMs, and Retrieval-Augmented Generation to empower practical business applications. I enjoy leading cross-functional teams and delivering high-impact solutions that blend technology with strategy.

Available to hire

I am Leibo Cui, an ICT Solutions Architect with over 15 years of experience designing and delivering enterprise cloud, data analytics, and telecom core solutions. I specialize in scalable, secure, and resilient platforms using AWS, IaC pipelines, and microservices, driving measurable business outcomes and modernization across multi-million dollar programs.

I am currently pursuing a Master of Science in Data Science and Artificial Intelligence at Hang Seng University of Hong Kong and continuously explore AI/ML, LLMs, and Retrieval-Augmented Generation to empower practical business applications. I enjoy leading cross-functional teams and delivering high-impact solutions that blend technology with strategy.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Language

Chinese

Fluent

English

Fluent

Work Experience

Freelance ICT Solutions Architect at Graduate Studies and Freelance

October 1, 2023 - November 9, 2025

Led an End-to-End Voice Consumer Protection Q&A System (RAG). Fine-tuned Qwen2.5-7B-Instruct for legal domain using LlamaFactory. Built a retrieval-based knowledge base from the Consumer Protection Laws of the People's Republic of China using Chroma; developed a rule-based information extraction module; front-end using Streamlit/Gradio; designed a multi-dialogue UX to refine user queries; achieved 95% accuracy in understanding legal clauses.

Lead Solution Engineer at Ericsson (China) Communications Ltd.

September 1, 2023 - September 1, 2023

Led development of a linear regression model for global system capacity planning using ML and MLflow; designed 2G/3G/4G/5G IoT connectivity management solutions integrating telecom core networks, BSS, and IoT platforms built on VMware/OpenStack/Kubernetes with IaC; led cross-functional teams on large-scale projects including China Mobile's IoTA system and 5G IoT architecture migration; served as Product Owner for IoTA's global system capacity management, using Zabbix, Grafana, and Prometheus to identify bottlenecks and plan expansions.

Senior Solution Engineer, Digital Solution China at Ericsson (China) Communications Ltd.

August 1, 2018 - August 1, 2018

Developed ML models for mobile Internet traffic analysis (clustering, regression, classification) and led pre-sales efforts; designed IPTV platforms, VoLTE, and DPI-based data analysis solutions; managed big data platforms (Hadoop, HBase, Hive, Impala, Kafka) to build VoLTE signaling analysis systems.

System Integration Engineer, Mobile Internet China at Ericsson (China) Communications Ltd.

June 1, 2007 - June 1, 2007

Led system integration and testing for mobile Internet services (SMS, MMS, WAP Gateway, Streaming); hands-on with TCP/IP networking, multi-vendor switches/routers/firewalls/load balancers; contributed to end-to-end service delivery.

Supervisor at Beijing Asia Info

May 1, 2001 - May 1, 2001

Responsible for fault handling prior to final inspection of national trunk line project; supported local network expansion in Dalian and Dezhou; led network management and SDH transmission tasks.

Assistant Engineer at Beijing SanChong Mirror Co.

May 1, 1999 - May 1, 1999

Designed, installed and commissioned automation control for the manufacturing line; familiar with production line automation equipment and software.