Senior Android Software EngineerReady1 Mobile 3 Full-time 3 Toronto, Canada (Hybrid) 3 Senior IC (sole Android owner)
Were looking for a
Senior Android Software Engineer to own Ready1 Android end to end. You will be the in-house Android owner on a small mobile team - hands-on individual contributor, not a people manager - shipping production features from day one alongside an iOS Engineering Team Lead, while protecting enterprises from cyber threats with some of the brightest minds in cybersecurity and Identity Access Management.
About SemperisSemperis protects hybrid Active Directory and Entra ID environments for enterprises worldwide. Our products help security and identity teams detect, respond to, and recover from identity-driven attacks.
About Ready1Ready1 is Semperis enterprise crisis management platform - a secure command-and-control center for cyber crises. The mobile apps help security and identity teams triage incidents, coordinate response, join secure video bridges, chat in real time, and act when they are away from their desks. Built for enterprise environments, Ready1 supports secure authentication (MSAL / Azure B2C), multi-region services (NA / EU / AU), and reliable mobile workflows across Android and iOS.
What Youll Be DoingYou will own the Ready1 Android application as the sole in-house Android engineer: architecture, features, quality, Play releases, and production health. You will partner closely with iOS, backend, product, design, QA, and security - without another Android peer day to day - and deliver secure, supportable releases for incident-response teams operating across regions.
Your Key Responsibilities- Own Ready1 Android end to end: technical design, implementation, testing, Play release, and post-release triage.
- Design, implement, and ship native Android features in Kotlin on a Compose-first codebase; evolve UI thoughtfully where legacy XML remains.
- Drive app architecture using Hilt, ViewModels, repositories / use cases, clear feature packages, and maintainable state management (coroutines / Flow).
- Integrate and harden networking and session handling (Retrofit / OkHttp): auth, token refresh, retries, offline/degraded modes, and multi-region routing.
- Contribute to real-time chat and video experiences using SignalR / WebSockets and Azure Communication Services.
- Own production quality: unit and UI tests, small reviewable PRs, Crashlytics / log triage, and decisive response when releases misbehave (including staged rollout pause or hotfix).
- Support and improve release machinery: Gradle flavors, signing, Play Console, internal testing, and staged rollouts.
- Apply secure mobile practices for tokens, secrets, permissions, local data, logging, and privacy - never log credentials or PII.
- Collaborate with the iOS lead and cross-functional partners to keep platform parity, clarify requirements, communicate tradeoffs, and ship on a high-throughput feature pipeline.
- Raise the quality bar through code review standards, pragmatic technical decisions, and mentoring by example - without managing a team of Android reports.
What You Bring to the Table- 7+ years of professional Android development with a track record of shipping and maintaining production apps.
- Proven ownership: you have been accountable for a product surface or app end to end (features, quality, releases, and production issues) - not only tickets on a large pod.
- Strong Kotlin and Android SDK fundamentals; production experience with Jetpack Compose (not only greenfield demos).
- Deep comfort with coroutines, Flow, lifecycle-aware architecture, ViewModel, Navigation, and Gradle / Android Studio.
- Experience integrating REST / JSON APIs (ideally Retrofit / OkHttp) and handling authentication, token refresh, concurrent session failures, and unreliable networks without blanking critical UI.
- Hands-on Play release experience: flavors or environments, signing, internal testing, staged rollouts, and crash triage.
- Automated testing mindset (unit tests required; UI tests a plus) and disciplined Git / PR / CI habits.
- Practical mobile security instincts: secure storage of tokens/secrets, careful logging, permissions, and local data.
- Clear communication and the ability to take ambiguous requirements to a supportable release while partnering with an iOS counterpart.
- Motivation for a hands-on senior IC seat: sole Android owner on a small mobile team, delivering from day one - not building or managing an Android org.
Bonus Points- MSAL, Azure AD B2C, OAuth / OIDC, passkeys, WebAuthn, or other enterprise identity integrations.
- Hilt or Dagger in a non-trivial multi-module or large production app.
- SignalR, WebSockets, or VoIP / video (Azure Communication Services, WebRTC, or similar).
- Cybersecurity, security operations, incident-response, or regulated enterprise products.
- Crashlytics (or similar), structured logging, feature flags, accessibility, internationalization, or design systems.
- Comfort collaborating on shared mobile product decisions across Android and iOS; familiarity with NDK / C++ is a plus, not required.
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