Android Software Engineer - Secure Mobile Apps (Hybrid)

Semperis; Toronto; Hybrid; CAD 90,000 - 135,000; Full time

Job summary

Semperis is seeking an Android Software Engineer for the Ready1 product in Toronto. You will own secure, production-ready Android features from design through Google Play release, collaborating with iOS, backend, product, design, QA, and security partners to improve reliability, quality, and delivery speed for identity and incident-response teams operating across regions.

The role emphasizes building robust mobile interfaces, adopting modern Android architecture, and ensuring secure handling of

Qualifications

• Typically 3+ years shipping production Android apps.
• Strong Kotlin and Android SDK fundamentals.
• Hands-on experience building production interfaces with Jetpack Compose.
• Experience with coroutines, Flow, and lifecycle-aware Android architecture.
• Experience integrating REST and JSON APIs (ideally Retrofit / OkHttp) and troubleshooting authentication, token refresh, and unreliable network conditions.
• An automated testing mindset, with experience in 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 a feature from ambiguity to a supportable release.

Responsibilities

• Design, implement, test, and ship native Android features for Ready1 in Kotlin.
• Build and evolve Jetpack Compose interfaces while thoughtfully migrating legacy RecyclerView and XML components.
• Implement and maintain secure authentication and session flows using technologies such as MSAL, Azure AD B2C, biometrics, and passkeys.
• Integrate REST APIs (Retrofit / OkHttp) with resilient loading, error, retry, and empty states, including support for multi-region routing.
• Contribute to real-time chat and video experiences using SignalR, WebSockets, and Azure Communication Services.
• Apply and improve app architecture using Hilt dependency injection, ViewModels, repositories, use cases, and clear feature packages.
• Write unit and UI tests and maintain small, reviewable pull requests that meet quality and coverage standards.
• Support release activities, including Gradle flavors, signing, Play Console uploads, and post-release crash and log triage.
• Apply secure mobile practices for tokens, secrets, permissions, local data, logging, and privacy.
• Collaborate across engineering, product, design, QA, and security to clarify requirements, communicate tradeoffs, and deliver supportable releases.

Skills

Kotlin

Android SDK

Jetpack Compose

Coroutines/Flow

ViewModel/Lifecycle

REST APIs (Retrofit/OkHttp)

Git / CI

Mobile security basics

Tools

Retrofit / OkHttp

MSAL / Azure AD B2C

SignalR / WebSockets

Job description

Semperis is seeking an Android Software Engineer for the Ready1 product in Toronto. You will own secure, production-ready Android features from design through Google Play release, collaborating with iOS, backend, product, design, QA, and security partners to improve reliability, quality, and delivery speed for identity and incident-response teams operating across regions.

The role emphasizes building robust mobile interfaces, adopting modern Android architecture, and ensuring secure handling of