Site Reliability Engineer

Role & responsibilities

Site Reliability Engineer

JOB DESCRIPTION Own reliability, performance, and scalability across Android (Kotlin), iOS (SwiftUI), and backend APIs. 

• Build end-to-end observability (metrics/logs/traces), define SLI/SLO/SLA, and maintain reliability dashboards. 
• Instrument mobile apps (Crashlytics/Sentry, Firebase Performance, MetricKit) and analyze traces with Xcode Instruments & Android Profiler/Perfetto. 
• Optimize startup time, rendering, memory, network, and caching on both platforms (Coroutines/Flows, Combine/async-await). 
• Establish CI/CD for mobile (Fastlane, signing, TestFlight/Play, phased rollout) and APIs (canary/blue-green, autoscaling, rollback). 
• Run performance/load testing (k6/JMeter), capacity planning, and cost/perf optimization. 
• Lead incident response/on-call, publish blameless postmortems, and drive remediation. 
• Partner with Security on ISO 27001/27017 controls, secrets management, and privacy compliance. Headquartered in Hanoi, TDT Asia has built a reputation for cutting-edge solutions and customer-centric services. The company has successfully developed a portfolio of standout projects that showcase its expertise and innovation. These include a core lending system with 100% automation capabilities, enabling seamless customization to adapt to different company scales and market demands; an all-in-one trading platform that empowers users to trade U.S. stocks during Asian hours, offering unmatched convenience and accessibility; and an innovative generative AI platform that allows users to create personalized characters and seek expert advice across various industries, such as mental support, finance, and education. Requirements
• 5+ years in SRE/DevOps or Mobile Performance; strong understanding of Kotlin and/or Swift/SwiftUI runtimes and threading..
• Hands-on with APM/observability stacks; expert in Instruments & Android Profiler/Perfetto..
• CI/CD expertise (GitHub Actions/GitLab/Jenkins, Fastlane); scripting in Python/Bash (Go is a plus).
• Solid knowledge of HTTP/2/3, gRPC, caching/CDN, resilience patterns.
• Good teamwork ability, able to work under pressure.
• Good at English communication. #NICE TO HAVE
• Kubernetes/Terraform, service mesh, OpenTelemetry; FX/Stock/Crypto Trading system domain experience.