Staff Mobile Engineer (Observability)

TL;DR

Staff Mobile Engineer (Observability): Building and evolving high-performance mobile instrumentation SDKs for iOS and Android with an accent on stability, developer experience, and OpenTelemetry integration. Focus on designing SDK features like session tracking and crash reporting, owning projects end-to-end, and engaging with the open-source community.

Location: Remote for applicants based in Spain, Germany, the UK, or Sweden.

Salary: £103,958 - £124,750 in the UK

Company

hirify.global is a remote-first, open-source powerhouse providing observability solutions to over 3,000 companies globally.

What you will do

• Build and evolve mobile instrumentation SDKs for iOS (Swift/Obj-C) and Android (Kotlin/Java), prioritizing performance, stability, and developer experience.
• Design and ship SDK features such as session tracking, crash reporting, sampling strategies, and OpenTelemetry integrations.
• Own projects end-to-end, breaking large, ambiguous problems into incremental deliverables.
• Ensure quality through automated tests, CI, documentation, and smooth, backwards-compatible upgrade paths.
• Collaborate cross-functionally with backend, frontend, product, and solutions engineering.
• Engage with the OpenTelemetry open-source community, review PRs, and help guide external contributors.

Requirements

• Strong mobile engineering experience (iOS/Swift/Obj-C and/or Android/Kotlin/Java).
• Demonstrated experience building or maintaining mobile SDKs, platform libraries, or other developer-facing platform code.
• Experience working with performance-sensitive code (startup time, memory, network efficiency).
• Familiarity with OpenTelemetry instrumentation, SDKs, or similar telemetry libraries.
• Excellent written and verbal English communication.
• Comfortable working in a fully remote, globally distributed team.
• Ability to operate autonomously while being highly collaborative.

Nice to have

• Contributions to OpenTelemetry, crash reporting libraries, or other observability OSS.
• Experience with cross-platform frameworks (React Native, Flutter) or building native bindings/bridges.
• Experience with mobile security, privacy, or platform integration challenges.
• Prior work on crash aggregation, session replay, or sampling for mobile telemetry.

Culture & Benefits

• 100% Remote, Global Culture, bringing together talent from around the world.
• Tackle meaningful work in a high-growth, innovation-driven environment.
• Transparent communication, open decision-making, and approachable leadership.
• Global annual leave policy of 30 days per annum, including 3 Grafana Shutdown Days.
• Access to modern AI coding assistants with a company-funded usage budget.