LI YONGJIE (Winson)
Senior DevOps Engineer with 5 years of experience working in a cross-cultural work environment
- Tokyo, Japan
- mail@winson.dev
- 090****7196
- 10/1996
- Portfolio
- Github
Certificates
Certified AWS Cloud Practitioner
Certified Kubernetes Administrator
Certified Azure AI Engineer
Languages
Mandarin Chinese: Native
Cantonese: Native
English: Business
Skills
Cloud Infrastructure & DevOps
- Cloud Platforms: Azure, AWS, Tencent Cloud
- CI/CD: Jenkins, GitLab CI, Azure DevOps
- Infrastructure as Code: Terraform, Ansible
- Orchestration: Kubernetes, Docker Swarm
- Linux Administration: Debian/Ubuntu
- Scripting & Automation: Python, Shell
- Identity & Access Management (IAM): Azure Entra ID, RBAC, Managed Identities, Service Principals
- Networking & Security: Cloudflare, Tailscale, VNet, Azure Firewall
- Version Control & Collaboration: GitLab, Bitbucket, Confluence, Jira
Soft Power
- Effective communication
- Embrace AI
- Teamwork
- Problem-solving
- Attention to detail
Experience
DevOps Engineer
NB Intelligence Tokyo, Japan
03/2026 - Present
- Led design and implementation of DevOps platform and GitLab CI/CD pipelines, enabling fully automated build, test, and deployment workflows, significantly improving delivery velocity and release quality.
- Managed and maintained Tencent Cloud infrastructure; established HA patterns and comprehensive monitoring to ensure core business service stability and meet enterprise SLA requirements.
- Administered Linux-based private infrastructure, optimising resource allocation and system performance using Bash scripting and Ansible playbooks to automate configuration management and reduce manual intervention.
DevOps Engineer [2years]
AIA Digital+ Guangzhou, China
02/2024 - 03/2026
- Orchestrated multi-environment CI/CD pipelines (AKS, Jenkins) supporting 100+ engineering teams, optimizing 500+ daily builds to achieve 70% improvement in release success rate and 60% faster vulnerability remediation.
- Championed enterprise-wide DevOps adoption by developing standardized AKS/Jenkins training programs, enabling 95% of teams to reduce feature delivery cycles from 2 weeks to 3 days.
- Maintained 24/7 production reliability with sub-30-minute MTTR and zero critical outages for 12 consecutive months.
- Designed GitOps framework that enhanced Jenkins job configuration management efficiency by 30%, while architecting cross-region disaster recovery solution meeting ≤30-minute RTO/RPO SLAs.
- Directed zero-downtime Bitbucket migration with 99.99% availability and 100% data integrity, reducing annual operating costs.
- Led design and implementation of AI-powered knowledge base chatbot using OpenAI and RAG technology, accelerating issue resolution by 40% and reducing new hire onboarding time by 50%.
- Built Azure API Management automated deployment tooling in Python + Jenkins CI/CD pipelines, achieving version-controlled configuration and multi-environment automated deployments – 90% improvement in deployment efficiency supporting 50+ API services.
- Managed IAM posture across AKS environments: implemented Azure RBAC, Managed Identities, and Service Principal lifecycle governance; enforced least-privilege access across 100+ teams.
- Authored and maintained Ansible playbooks for Linux server configuration management, OS patching, and environment standardisation across dev/staging/prod.
DevOps Engineer [1years]
Remotely
12/2022 - 01/2024
- Built and optimised CI/CD infrastructure on Azure, improving customer operational efficiency by 20%.
- Led cloud infrastructure design ensuring efficient, secure, and scalable architecture using Terraform IaC and Bash automation scripts, reducing operational costs by 15%.
- Administered Linux servers; wrote Bash and Python scripts to automate provisioning, monitoring checks, and incident triage workflows.
- Configured IAM policies and RBAC roles on Azure, enforcing least-privilege access across multi-tenant environments.
Backend Developer
Shenzhen Baimulin Education Technology Shenzhen, China
04/2022 - 11/2022
- Designed RESTful API interfaces for modular e-commerce systems.
- Built Docker/Kubernetes-powered containerization pipelines ensuring standardized cross-environment deployment.
- Managed Linux (Ubuntu) application servers; wrote Shell scripts for automated deployment and health monitoring.
Projects
Hybrid Cloud Kubernetes management
- Design and implement a cross-cloud network interconnection architecture, integrating Tailscale (WireGuard) to enable seamless connectivity between multi-cloud (AWS/Azure/GCP) and on-premises nodes, reducing network topology complexity by 60%.
- Develop zero-trust network policies based on ACLs to enforce traffic and access control, blocking 100% of unauthorized access.
- Cross-Cloud Kubernetes Cluster Management. Achieve cross-regional management of Kubernetes cluster nodes, significantly reducing operational costs.
Azure Cloud Infrastructure management
- Deployed a Virtual Network (VNet) on Azure, including public and private subnets, and implemented Azure Firewall for network security.
- Configured a Squid cache proxy with traffic filtering to optimize web traffic.
- Set up DevBox environments and Azure Virtual Desktop instances for development and remote desktop access.
- Integrated with hybrid Active Directory environments (Entra ID) for identity and access management.
- Leveraged Azure DevOps to automate project management and CI/CD pipelines, streamlining software delivery workflows, cut release cycle from 2 weeks → 3 days.
Cloudflare Global Service Delivery
- Designed and deployed Cloudflare's global service network architecture, integrating intelligent DNS resolution, dynamic CDN acceleration, next-generation WAF protection, and automated certificate management to optimize performance and security.
- Engineered hybrid cloud network traversal using zero-trust tunnel technology, reducing global user access latency to under 50ms.
- Implemented WAF rules and IP reputation databases, blocking 98% of malicious traffic and maintaining 99% annual service availability.