4 hours ago
Toronto, CanadaMid Level
Responsibilities
- Design, implement, test, and ship native Android features in Kotlin.
- Build and evolve Jetpack Compose interfaces while migrating legacy RecyclerView and XML components.
- Implement secure authentication and session flows using MSAL, Azure AD B2C, biometrics, and passkeys.
- Integrate REST and JSON APIs using Retrofit and OkHttp with resilient loading, error, retry, empty-state, and multi-region routing support.
- Contribute to real-time chat and video experiences using SignalR, WebSockets, and Azure Communication Services.
- Apply Android architecture using Hilt dependency injection, ViewModels, repositories, use cases, and feature packages.
- Write unit and UI tests and maintain reviewable pull requests meeting quality and coverage standards.
- Support Gradle flavors, signing, Play Console uploads, post-release crash analysis, and log triage.
- Apply secure mobile practices for tokens, secrets, permissions, local data, logging, and privacy.
- Collaborate with engineering, product, design, QA, and security partners to deliver supportable releases.
Requirements
- At least 3 years of experience shipping production Android applications.
- Strong Kotlin and Android SDK fundamentals.
- Hands-on experience building production interfaces with Jetpack Compose.
- Experience with coroutines, Flow, lifecycle-aware Android architecture, Jetpack components, ViewModel, Navigation, and Gradle-based Android Studio projects.
- Experience integrating REST and JSON APIs and troubleshooting authentication, token refresh, and unreliable network conditions.
- Experience with unit testing and Android UI testing.
- Familiarity with Git, pull requests, code review, and continuous integration.
- Practical understanding of mobile security, including secure handling of tokens, secrets, permissions, and local data.
- Clear written and verbal communication and the ability to take features from ambiguity through supportable release.
- Preferred experience with MSAL, Azure AD B2C, OAuth/OIDC, passkeys, WebAuthn, enterprise identity providers, Hilt, Dagger, SignalR, WebSockets, Azure Communication Services, WebRTC, multi-environment builds, Play App Signing, staged rollouts, Crashlytics, structured logging, incident triage, cybersecurity products, accessibility, internationalization, feature flags, design systems, NDK, or C++.
Benefits
- Full-time hybrid role based in Toronto, Canada, with up to three days per week in the office and the remaining days remote.
- Opportunity to work on cybersecurity, identity, and mobile incident-response products for enterprise customers.
- Semperis emphasizes purpose, growth, balance, curiosity, integrity, initiative, and work-life balance.
About Semperis
Semperis builds identity security software for enterprises running hybrid directory services, delivering identity threat detection and response and rapid Active Directory forest recovery across AD, Entra ID, and Okta. The company sells subscriptions and incident-response tooling that help prevent breaches and speed ransomware recovery. It is privately held, headquartered in Hoboken, New Jersey, and reports protecting over 100 million identities.