Staff Mobile Engineer

Twilio

. Build and own mobile SDKs for Stytch’s identity and fraud detection platforms on Twilio .

Posted 10/5/2026full-timeRemote • United States, CanadaLead💰 $171,120 - $251,600 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in mobile SDK development, particularly for identity and fraud detection platforms, with a strong focus on Android development using Kotlin or Java. Proven ability to lead technical initiatives, mentor engineers, and collaborate effectively across teams to deliver high-quality, maintainable systems.

Highest-signal resume keywords

Mobile SDK DevelopmentAndroid DevelopmentKotlin or Java ProficiencyTechnical LeadershipSoftware Engineering Best Practices

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Mobile Application DevelopmentDevice InternalsSignal CollectionObservabilityIncident ResponseCode ReviewTechnical DocumentationComplex Problem SolvingThird-Party LibrariesMonitoring

Soft Skills

Exceptional CommunicationCollaborationMentoringFeedbackKnowledge Sharing

Certifications & Qualifications

Bachelor’s Degree in Computer Science

Industry Keywords

Identity PlatformsFraud DetectionTechnical ExcellenceCustomer-Centric DevelopmentRemote Work

Tech Stack

Tools & technologies

AndroidJavaKotlin

About the role

Key responsibilities & impact

Build and own mobile SDKs for Stytch’s identity and fraud detection platforms on Twilio
Work on device internals and complex signal collection to improve identification of bad actors
Ship SDK surfaces powering authentication, agenting, and non-human identity use cases
Partner with Product and Engineering leadership to set direction and deliver roadmap features
Collaborate across Twilio and Stytch teams on architecture and platform integration
Author design documents, drive technical decisions, review code, and maintain ownership of shipped systems
Break down complex problems, make pragmatic tradeoffs, and design developer experiences
Improve production quality and resilience through observability, incident response, and remediation
Mentor and support engineers through pairing, feedback, and knowledge-sharing

Requirements

What you’ll need

6+ years of professional mobile engineering experience
Deep experience designing, building, and maintaining mobile applications
Android development experience, fluent in Kotlin or Java
Expertise in mobile development ecosystems, frameworks, and third-party libraries
Deep understanding of software engineering best practices, monitoring, observability, and maintainable systems
Experience making high-impact technical decisions and leading technical initiatives
Proven track record of driving technical excellence while centering customer needs
Exceptional communication and collaboration skills
Bachelor’s degree in Computer Science or related industry experience
Excellent written and verbal communication skills
Ability to work non-standard on-call rotation weekend and holiday hours
Role is remote in either the US or Canada

Benefits

Comp & perks

Competitive pay
Generous time off
Ample parental and wellness leave
Healthcare insurance
Retirement savings program
Equity plan eligibility
Corporate bonus plan eligibility
401(k) retirement account
Paid sick time
Paid personal time off
Paid parental leave
Occasional travel to project or team in-person meetings
Volunteering and donation support