RB

I am Rui Bian, a Site Reliability Engineer with hands-on experience automating and operating high-capacity, high-availability systems at scale across distributed multi-cloud environments.

About

I am Rui Bian, a Site Reliability Engineer with hands-on experience automating and operating high-capacity, high-availability systems at scale across distributed multi-cloud environments. I thrive on building resilient infrastructure, reducing toil, and improving MTTR, all while delivering delightful user experiences for global services.

I specialize in distributed systems, automation, and cloud infrastructure. My work spans from designing cloud-native microservices to refining observability and incident response, with a focus on scalable, cost-efficient solutions that empower teams to move faster with confidence.

  • 1 year's experience
  • Joined January 2026

Languages

  • JavaneseAdvanced
  • AragoneseAdvanced

Industry experience

  • Computers & Electronics
  • Software & Internet
  • Professional Services
  • Telecommunications
  • Media & Entertainment

Work experience

Site Reliability Engineer · Xiaomi TechnologiesAug 2025 – Present · 1 yr 4 mos

Maintained 99.99% uptime for high-capacity services for millions of daily users across distributed multi-cloud infrastructure with 24/7 on-call duty. Improved alert, Grafana and ELK-based monitoring, increasing availability and resolution efficiency. Supported Kubernetes deployments, load balancing and domain/proxy configuration. Built automation tools including a Terraform-managed alert system and a Python verification tool to cut toil by over 90%. Performed cost analysis with SQL and Python. Designed and deployed cloud-native Golang microservices using gRPC, achieving <100ms p99 latency with scalable, cost-optimized infrastructure using auto-scaling and spot instances.

Automation Engineer (Internship) · AutodeskJan 2023 – Jun 2023 · 6 mos

Built Jenkins CI/CD pipelines on Azure delivering automated testing infrastructure for 500K+ enterprise users with 99.5% pipeline reliability. Reduced automation execution time by 4x and weekly operational costs by 75% via .NET Core migration and performance optimization. Designed modular C# test framework with 300+ test cases, improving observability and reducing production incidents by 30%. Participated in Agile/DevOps practices including sprint planning, code reviews, and incident post-mortems.

Education

Bachelor of Engineering (Honours), Computer Engineering, Distinction (4.43/5) · National University of Singapore2021 – 2025
Exchange Program, Computer Science · Australian National University2024
Exchange Program, Computer Science · Australian National University2024

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