Senior Mobile Engineering Manager (iOS & Android SDK)

with experiment design and validation in software releases, especially where data integrity is business-critical.

Strong understanding of telemetry/schema change management and the downstream impact of data contract changes.

Solid networking fundamentals and practical experience relevant to mobile measurement use cases (for example TCP/UDP/QUIC behavior, packet flow timing, latency, and time-to-first-byte concepts).

Demonstrated ability to communicate clearly with technical and non-technical stakeholders and translate business needs into execution plans.

operating within privacy, compliance, and platform-policy constraints for mobile SDKs.

Proactive, curious mindset toward AI and modern engineering practices, with demonstrated judgment in adopting new tooling responsibly.

We recognize that excellent candidates may not match every listed qualification exactly.

If this role aligns with your strengths and experience, we encourage you to apply.

Tools & Education Required: production experience with Kotlin and Swift.

Required: experience with Git-based development workflows and CI/CD release pipelines (We use Github Actions).

Required: experience with observability and crash tooling used in mobile environments (for example Sentry, Firebase, Crashlytics).

Required: strong SQL proficiency.

Preferred: Python for data analysis and validation workflows.

Preferred: experience with feature flag rollouts, emulator/device testing strategies, and release validation frameworks.

Preferred: experience with AI-assisted engineering tools/workflows and defining safe usage standards for teams.

degree in Computer Science, Software Engineering, or equivalent practical experience.

Europe (remote-first).

Preferred locations are Poland, the UK, and Spain; candidates in other European countries are also welcome, based on practical time-zone overlap and ability to travel to office locations occasionally (typically once per quarter).

Opensignal is the leading global provider of independent insight and data into network experience and market performance.

Our user-centric approach allows communication providers to constantly improve their network and maximise commercial performance.

Leading analysts, investors and financial institutions place a high value on our independent analysis and we are regular contributors to their reports.

Real network experience is our focus and ultimately that’s what influences customer choice.

Our mission is to advance connectivity for all and here at Opensignal, the team is leading the industry in enabling operators to link their network experience and market performance in a way that has never before been possible.

With offices in London, Boston Victoria, British Columbia, and Warsaw, and employees around the world, we are a truly global organization.

We are an equal-opportunity employer dedicated to building an inclusive and diverse workforce.

We believe we are stronger when we not only celebrate our many differences, values, and voices but also include them in everyday practice.

Having a diverse and inclusive culture is essential, which is why we offer a flexible approach to work-life balance, operating in a remote-hybrid way.

We’ll help you get set up with the essentials you need to work from home or the office.

We also offer an attractive range of additional benefits, including: Competitive compensation packages; including a long-term equity program.

Comprehensive group benefits package.

Company sponsored retirement savings plan.

Professional development opportunities: education reimbursement, learning allowance, company-sponsored workshops, and more!

Generous holiday allowance, sick leave, parental leave, flexibility including Summer Fridays, and the opportunity to work from abroad.

Charity matching and time off for community volunteering.

Regular virtual and in-person events and socials.