I am a Software & Data Engineer with over 7 years of experience in delivering robust backend systems, CI/CD pipelines, and cloud-native architectures. I specialize in Python, Azure DevOps, and GitLab CI/CD, and have hands-on experience in migrating pipelines, optimizing deployments, and implementing secure backend solutions. I have a proven track record in designing and maintaining semantic search and NLP-driven applications while ensuring compliance, security, and scalability. I enjoy collaborating within agile teams and mentoring others to achieve shared goals.

Jiahua Duojie

I am a Software & Data Engineer with over 7 years of experience in delivering robust backend systems, CI/CD pipelines, and cloud-native architectures. I specialize in Python, Azure DevOps, and GitLab CI/CD, and have hands-on experience in migrating pipelines, optimizing deployments, and implementing secure backend solutions. I have a proven track record in designing and maintaining semantic search and NLP-driven applications while ensuring compliance, security, and scalability. I enjoy collaborating within agile teams and mentoring others to achieve shared goals.

Available to hire

I am a Software & Data Engineer with over 7 years of experience in delivering robust backend systems, CI/CD pipelines, and cloud-native architectures. I specialize in Python, Azure DevOps, and GitLab CI/CD, and have hands-on experience in migrating pipelines, optimizing deployments, and implementing secure backend solutions.
I have a proven track record in designing and maintaining semantic search and NLP-driven applications while ensuring compliance, security, and scalability. I enjoy collaborating within agile teams and mentoring others to achieve shared goals.

See more

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert

Language

English
Fluent
German
Beginner
Chinese
Fluent
Tibetan Standard, Tibetan, Central
Fluent

Work Experience

Data Engineer at Qinghai Big Data Co., Ltd
December 31, 2023 - August 15, 2025
Architected and implemented large-scale cloud-based IoT sensor data pipelines including data collection, processing, and storage. Designed and optimized ETL workflows with SQL, Python, and Apache Airflow for automated and reliable data delivery. Maintained cloud data lakes ensuring high availability, integrity, and scalability. Established observability frameworks with monitoring, logging, and alerting for proactive incident response. Collaborated with cross-functional teams to design data models supporting business intelligence and analytics initiatives.
Project Team Lead at Darui Media & Tech
December 31, 2020 - August 15, 2025
Led development of web applications and e-commerce platforms with integrated stock management systems. Managed microservices deployment pipelines and distributed system releases for web-based business applications. Designed PostgreSQL databases for product catalogs, inventory management, and customer data. Built data integration pipelines connecting ERP, CRM, and inventory management systems with various data sources.
Web Developer at Himalaya Travel Service
December 31, 2017 - August 15, 2025
Developed a responsive website with custom booking modules. Optimized SEO strategies to increase web traffic and conversions. Automated email marketing and integrated secure payment systems. Built a reporting system to track sales performance.

Education

Master of Data Science at Lucerne University of Applied Sciences and Arts
January 1, 2023 - December 31, 2025
Bachelor of Computer Science at Nankai University
January 1, 2017 - January 1, 2017

Qualifications

Microsoft Certified: Security, Compliance, and Identity Fundamentals (SC-900)
March 1, 2025 - August 15, 2025

Industry Experience

Software & Internet, Travel & Hospitality, Retail

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert