Hai Dang
Principal System Architect & Tech Lead
Experience
Principal System Architect & Tech Lead
IU International University of Applied Sciences
Leading architecture and delivery of AI-powered educational content platform, managing two development teams with full technical ownership.
Designed and architected the Content Hub platform replacing legacy SiteFusion systems, enabling professors to create AI-assisted learning materials for improved student outcomes.
Established technical strategy, defined architecture requirements, and aligned two cross-functional teams (AI Media Team, TEAQ Team) on a unified delivery roadmap.
Implemented Clean Architecture principles and AI-agent-friendly documentation standards across the engineering organization.
Drove adoption of modern development workflows including CI/CD automation and MongoDB-based content management solutions.
Senior Cloud/DevOps Architect
Pexon Consulting GmbH
Led cloud architecture and DevOps transformation for enterprise clients in the IT sector.
Architected a central Azure Data Lake repository for multi-source data synchronization with high availability and automated release processes.
Designed and implemented a cloud migration strategy for on-premise applications to Azure PaaS, achieving significant cost reduction and improved scalability.
Established Infrastructure as Code practices using Terraform and Ansible for automated provisioning across development, staging, and production environments.
Introduced GitFlow and comprehensive CI/CD pipelines enabling faster, quality-assured releases.
Full Stack Engineer
Avenga
Developed distributed systems and blockchain-based solutions for automotive and enterprise clients.
Built a blockchain-based used car trading prototype for Daimler using Ethereum smart contracts and a Vue.js frontend.
Developed Node.js microservices with a React frontend for an enterprise booking platform and implemented GitLab CI/CD for automated deployments to Azure.
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Information Technology (9 years), Automotive (5 years), and Education (3 years).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (9 years), Product Development (8 years), Strategy (3 years), Operations (3 years), and Quality Assurance (3 years).
Summary
Principal System Architect with 8+ years of experience in designing and delivering enterprise-grade cloud solutions. Proven track record in leading cross-functional teams, driving technical strategy, and modernizing legacy systems. Deep expertise in Azure cloud infrastructure, distributed systems, and AI-enabled platforms. Currently leading digital transformation initiatives in the education sector.
Skills
Architecture & Leadership: System Design, Technical Strategy, Cross-team Alignment, Delivery Management, Stakeholder Communication
Cloud & Infrastructure: Azure (Expert), Kubernetes, Docker, Terraform, Ansible, Ci/cd Pipelines
Development: Python, Node.js, Typescript, React, Angular, Mongodb, Postgresql
Methodologies: Clean Architecture, Domain-driven Design, Agile, Devops
Languages
Education
Technische Universitat Berlin
Bachelor of Engineering, Mechanical Engineering · Industrial Engineering · Berlin, Germany
Technische Universitat Berlin
Master of Science, Distributed Systems · Business Informatics · Berlin, Germany
Certifications & licenses
Azure Expert Solution Architect
Profile
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