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Twilio

Staff Software Engineer, Mobile

Twilio

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

Posted 11/5/2026full-timeRemote • CanadaLead💰 $160,320 - $200,400 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

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

Highest-signal resume keywords
Mobile SDK DevelopmentAndroid DevelopmentKotlin ProgrammingTechnical Decision-MakingCollaboration and Communication

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Mobile Application DevelopmentSoftware Engineering Best PracticesMonitoring and ObservabilityTechnical DocumentationCode ReviewIncident ResponseKotlin MultiplatformC/C++SwiftGo
Soft Skills
Exceptional CommunicationCollaboration SkillsMentoring and Knowledge Sharing
Tools & Technologies
TwilioStytchThird-Party LibrariesDeveloper Tools
Certifications & Qualifications
Bachelor’s Degree in Computer Science
Industry Keywords
Identity PlatformsFraud DetectionMobile Development EcosystemsTechnical Excellence

Tech Stack

Tools & technologies
AndroidiOSJavaKotlinSwiftC++Go

About the role

Key responsibilities & impact
  • Build and own mobile SDKs for Stytch’s identity and fraud detection platforms on Twilio
  • Work with device internals for complex signal collection to improve identification of bad actors
  • Ship SDK surfaces powering authentication flows, including agenting and non-human identity use cases
  • Partner with Product and Engineering leadership to set direction and translate customer needs into product capabilities
  • Deliver high-impact 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 keeping customer needs central
  • Exceptional communication and collaboration skills with ability to influence and align stakeholders
  • 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
  • iOS development experience (desired)
  • Familiarity with Kotlin Multiplatform, C/C++, Swift, or Go (desired)
  • Experience building developer tools or SDKs (desired)

Benefits

Comp & perks
  • Competitive pay
  • Generous time off
  • Ample parental and wellness leave
  • Healthcare
  • Retirement savings program
  • Incentive programs
  • Commissions
  • Equity grants
  • Health and wellness benefits
  • Retirement contributions
  • Paid time off
  • Occasional travel to project or team in-person meetings
  • Volunteering and donation support
  • Remote-first work