Diksha Technology

Site Reliability Engineer - onsite Cau Giay, Hanoi

Posted: Oct 27, 2025

Job Description

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. REQUIREMENTS: Must have: 7+ 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. English requirement: Must be FluentNice to have: Kubernetes/Terraform, service mesh, OpenTelemetry; FX/Stock/Crypto Trading system domain experience. 

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