Staff Mobile Engineer (P4)

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Staff Mobile Engineer (P4) in USA

Twilio
Full time
Email

USA
10/05/2026
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Remote

Responsibilities

Build and own mobile SDKs for identity, authentication, fraud detection, device-signal collection, and agentic or non-human identity use cases.
Partner with Product and Engineering leadership to define direction, translate customer needs into capabilities, and deliver roadmap features.
Collaborate across Twilio and Stytch teams on architecture, platform integration, and cross-team initiatives.
Author design documents, drive technical decisions, review code, and maintain deep ownership of shipped systems.
Improve production quality and resilience through observability, incident response, and remediation.
Mentor engineers through pairing, feedback, and knowledge-sharing.

Requirements

6+ years of professional mobile engineering experience designing, building, and maintaining mobile applications.
Android development experience with fluency in Kotlin or Java.
Expertise with mobile development ecosystems, frameworks, and third-party libraries.
Experience with software engineering best practices, monitoring, observability, and maintainable systems.
Experience making high-impact technical decisions and leading technical initiatives.
Bachelor’s degree in Computer Science or related industry experience.
Strong communication, collaboration, stakeholder influence, and customer focus.
Ability to participate in non-standard on-call rotation hours, including weekends and holidays.
Desired qualifications include iOS development, Kotlin Multiplatform, C/C++, Swift, Go, and experience building developer tools or SDKs.

Benefits

Remote-first role based in the US or Canada, with occasional travel for project or team meetings.
May require non-standard on-call rotation hours, including weekends and holidays.
Benefits include competitive pay, paid time off, parental and wellness leave, healthcare, 401(k), paid sick time, and paid personal time off.
May be eligible for equity and a corporate bonus plan.

Salary: $171k - $252k/yr

Twilio

Twilio is a software company that strengthens businesses by unifying their data to build insightful paths to customers, making them smarter with every interaction and enabling them to outmaneuver their competition. Twilio improves customer engagement by combining customer data and communications ...

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