Site Reliability Engineer

Adecco (Portugal); Chennai; On-site; INR 1,800,000 - 3,600,000; Full time

Job summary

Adecco (Portugal) is seeking a senior SRE/DevOps focused on mobile performance to join our Chennai-based team. You will own reliability across Android, iOS, and backend services, and build end-to-end observability with SLIs/SLAs.

You will instrument apps and optimize core performance, while leading CI/CD and incident response initiatives. Ideal candidates bring 5+ years in SRE/DevOps or mobile perf, strong Kotlin/Swift expertise, and hands-on experience with observability tools and modern CI/CD

Qualifications

• 5+ years in SRE/DevOps or Mobile Performance.
• Strong understanding of Kotlin and/or Swift/SwiftUI runtimes and threading.

Responsibilities

• 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.

Skills

SRE/DevOps

Mobile performance

Kotlin

Swift/SwiftUI

Observability

English communication

Tools

Instruments

Android Profiler

Perfetto

GitHub Actions

GitLab

Jenkins

Fastlane

Python

Bash

Go

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.

Qualifications

• 5+ years in SRE/DevOps or Mobile Performance; strong understanding of Kotlin and/or Swift/SwiftUI runtimes and threading..

Required Skills

• 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.