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Senior Mobile Engineer - Instrumentation SDK

UK🌐 Remote💼 Full-time💰 $91,000–$114,000🗓 2026-09-24 → 2026-09-26

Core

Build and evolve high-performance, low-overhead mobile instrumentation SDKs for iOS (Swift/Obj-C) to capture traces, metrics, logs, crashes, and user sessions, tightly integrated with OpenTelemetry and Grafana Cloud.

Role type

Senior IC mobile engineer (iOS SDK)

Builds

Mobile instrumentation SDKs, session tracking, crash reporting, and OpenTelemetry integrations for mobile developers

Domain

Observability, Mobile Development, OpenTelemetry

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

iOS development (Swift/Obj-C), mobile SDK development, performance optimization, OpenTelemetry, modular system design, CI/CD, technical documentation

Preferred skills

Android development (Kotlin/Java), cross-platform frameworks (React Native/Flutter), mobile security, crash aggregation, session replay

Technologies

Swift, Objective-C, Kotlin, Java, OpenTelemetry, React Native, Flutter

Responsibilities

Design and ship SDK features like session tracking and automatic context propagation; break ambiguous problems into incremental deliverables; ensure quality through automated tests and backwards-compatible upgrades; collaborate cross-functionally with backend and frontend teams; engage with the open-source community; mentor teammates and shape the mobile observability roadmap

Seniority

Senior, hands-on IC

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