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Added 18 days ago
Connected Vehicle Project Engineer
BRP
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We are looking for a Connected Vehicle Project Engineer reporting to the Connected Vehicle Project Manager to help us develop new electronic modules. In this role, you will play a key part…
Added 19 days ago
Lead Product Designer (Digital) - Hybrid
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Toronto, ON
As Lead Product Designer, you will play a leading role on The Globe’s product design team to create a compelling user experience across both the website and iOS/Android apps. Bring your…
Added 19 days ago
Lead Product Designer (Digital)
The Globe and Mail
Toronto, ON
As Lead Product Designer, you will play a leading role on The Globe’s product design team to create a compelling user experience across both the website and iOS/Android apps. Bring your…
Added 18 days ago
Product Manager, Mobile
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Toronto, ON
As a Product Manager on our Mobile team, you'll be the connective tissue between engineering, design, and the technicians who rely on our app every day out in the field. You'll run point on…
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Engineering Manager II, Android Modernization
Pinterest
Toronto, ON
Pinterest is looking for an Engineering Manager to lead our Android Modernization team in Toronto. You’ll lead the engineering team that is empowering Android developers at Pinterest to…
Added 25 days ago
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Senior Product Manager, Growth
Wayfair
Toronto, ON
- $179,140 to $200,150 CAD / year
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Wayfair is seeking a strategic and customer-obsessed Senior Product Manager to join our Growth Superpod, where you’ll lead the end-to-end vision and execution of our upper funnel engagement…
Added 29 days ago
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Quality Assurance Engineer
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Richmond Hill, ON
- $70,000 to $100,000 CAD / year
- Full-time
…team delivery. The QA Engineer combines quality assurance, engineering, and Agile skills to ensure quality throughout the entire software development lifecycle. It’s more than just testing.…
Added 29 days ago
EL
Mobile Developer
EnStream LP
Toronto, ON
- Full-time
Own SDK distribution and release engineering: Swift Package Manager, CocoaPods, XCFramework, Maven Central / Gradle, signed artifacts, changelogs, and reproducible CI builds.
Added 28 days ago
Modern Endpoint Management Engineer
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Manager, Software Development - Clinical Care Enablement team
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We are seeking a Manager, Software Development to join one of our Alayacare Cloud team. Reporting to the Associate Director, you will cultivate a strong team identity with personalized…
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Sr. Manager, Digital Data Tagging & Platform Enablement
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Toronto, ON
8+ years of experience in digital analytics, tagging, data engineering, or digital data platform roles
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Principal Software Engineer
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- Full-time
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Reporting to a Senior Manager, Software Engineering, the Principal Software Engineer drives platform strategy and untangles the problems no single team owns. You notice what we should be…
Added 1 month ago
Modern Workplace Engineer - Intune & Endpoint Management
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Toronto, ON · Scarborough, ON
Design, deploy, and manage Microsoft Intune solutions for Windows, macOS, iOS, and Android devices.
Added 1 month ago
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Manager, Software Development
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We’re looking for a collaborative leader to join our Digital Solutions Team as a Manager, Software Development within Winnipeg, MB.
Added 1 month ago
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Engineering Manager, Mobile
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Remote, Canada
- $155,000 to $190,000 CAD / year
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We are looking for an Engineering Manager, Mobile to lead our mobile engineering team and help shape the future of our mobile platform. This role is ideal for someone who is both a hands-on…
Added 1 month ago
AI Mobile Engineer- Android
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Toronto, ON
The AI Mobile Engineer- Android is a senior technical implementation role responsible for leading the design and delivery of production-grade agent solutions. Your primary goal is to…
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Engineering Manager, Supply Operations
Lime
Remote, Canada
- $172,000 to $237,000 CAD / year
- Full-time
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We are looking for an accomplished and highly technical Engineering Manager to lead the Supply Operations engineering team. Supply Operations builds the products and technology that enable…
Added 1 month ago
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AI Product Manager - Media Experience Required (NYC or Toronto)
TribalScale
Toronto, ON
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We're looking for a Digital Product Manager who can own a client engagement end-to-end - from scoping to shipped product - across three kinds of work: building new AI agents, standing up…
Added 1 month ago
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…experiences, and created national loyalty programs with decades of experience in sectors of automotive, financial, telco and…
Added 1 month ago
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Software Development Engineer - Mobile
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Remote, Canada
- $100,000 to $130,000 CAD / year
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- Remote
…implementing new features, fixing bugs, and ensuring a smooth user experience across devices while following established architecture and coding standards. You will report directly to our…
Added 1 month ago
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Senior Software Development Engineer - Mobile
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Remote, Canada
- $130,000 to $160,000 CAD / year
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…mobile architecture decisions. You will report directly to our Engineering…
Added 29 days ago
Android Software Engineer, Lyft Urban Solutions
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We're looking for an Android Software Engineer to join the Rider Experience team within Lyft Urban Solutions. Your work will directly power the digital experiences behind our bike-share and…
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Reporting to the Micro Vrac Operations Manager, the Service Technician, is responsible for the installation, repair or maintenance of our liquid argon, CO2 and nitrogen storage containers…

EnStream LP

Mobile Developer

Toronto, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Mar 3, 2027
Experience: 5+ years of professional mobile development experience.
Posting language: English
Posted: Sep 4, 2026

Original job description

Job Title: Mobile Developer

Location: Toronto

Department: Engineering

Employment Type: Full-time

Reports To: Head of Engineering

This role requires a minimum of four (4) days per week working onsite at EnStream’s head office in Toronto; this requirement may be changed at management’s discretion.

About EnStream

EnStream is a trusted leader in secure mobile identity verification and data services in Canada. We operate at the intersection of telecommunications, identity, and data privacy - enabling businesses and governments to deliver seamless, secure digital experiences. Jointly owned by Canada’s largest telecom providers, EnStream provides secure access to mobile network insights that drive innovation and protect consumers.

Our mission is to enable frictionless trust in every interaction. We are committed to advancing secure, privacy-first identity solutions that leverage trusted telco data to serve enterprises, financial institutions, and public sector organizations across Canada.

Role Overview

The Mobile Developer at EnStream owns the native iOS and Android SDKs that our partners embed in their own applications - the client-side entry point to EnStream’s identity and fraud-prevention services, including SIM-based authentication aligned with GSMA standards. This is SDK engineering rather than app engineering: the deliverable is a small, stable, well-documented library that other developers integrate once and depend on for years. The role covers the full product surface - public API design, deep platform and mobile-networking work, packaging and release, reference applications, and the integration documentation that partner engineering teams actually read. Because our SDKs run inside banking and fintech applications, correctness, backward compatibility, binary footprint, and privacy are treated as first-class requirements, not afterthoughts.

What You'll Do

Own the design, development, testing, and release of EnStream’s native iOS (Swift) and Android (Kotlin) SDKs, end to end.
Design public SDK interfaces that are small, hard to misuse, and stable across releases - with deliberate versioning, deprecation, and backward-compatibility practices.
Handle the realities of mobile networks: Wi-Fi and cellular transitions, dual-SIM and eSIM devices, captive portals, carrier variation, timeouts, and retry behaviour.
Keep the SDK lightweight and dependency-light: minimize binary footprint, avoid transitive dependency conflicts inside host applications, and collect no more data than an integration requires.
Build and maintain reference applications and sample integrations for both platforms that demonstrate real, production-shaped integration paths.
Write and own developer-facing documentation - integration guides, API reference, migration notes, and troubleshooting runbooks.
Own SDK distribution and release engineering: Swift Package Manager, CocoaPods, XCFramework, Maven Central / Gradle, signed artifacts, changelogs, and reproducible CI builds.
Define a test strategy appropriate to code you cannot hot-fix in production: unit tests, instrumented and device-farm testing across OS versions and device models, and simulated carrier conditions.
Support partner integration teams - triage integration issues, reproduce customer-reported failures from logs, and feed that friction back into API and documentation design.
Instrument the SDK for diagnostics and error reporting that helps partners debug quickly without exposing end-user data.
Track iOS and Android platform releases and get ahead of breaking changes in permissions, privacy manifests, and network stack behaviour.
Partner with Backend, QA, and Security teams on the service contracts, test coverage, and security reviews that surround the SDK.
Actively participate in agile ceremonies as part of a Scrum team, helping drive feature delivery and platform modernization.

What You Bring

Must-Have Skills & Experience

Degree in Computer Science, Software Engineering, or equivalent practical experience.
5+ years of professional mobile development experience. Experience building and shipping SDKs or libraries consumed by third-party developers, beyond end-user application is a strong asset but not a requirement
Current, hands-on production experience on both platforms: Swift for iOS and Kotlin for Android.
Proven public API design skill: interface design, semantic versioning, deprecation strategy, thread-safety guarantees, and clear error-handling contracts.
Strong understanding of mobile networking: HTTP/TLS, certificate handling, connection lifecycle, radio and Wi-Fi transitions, and behaviour under unreliable network conditions.
Experience packaging and distributing libraries (Swift Package Manager, CocoaPods, XCFramework, Maven Central / AAR), including artifact signing and release process.
Strong asynchronous and concurrency skills (Swift Concurrency / GCD, Kotlin coroutines).
Solid automated testing discipline for library code, including mocking network layers and testing across OS versions and device configurations.
Proficiency with Git and with CI/CD for mobile (e.g., Fastlane, GitHub Actions, Bitrise, or similar).
Security-conscious mindset: secure storage (Keychain, Android Keystore), certificate pinning, code obfuscation, and careful handling of personal information.
Excellent written communication - you can produce integration documentation a partner developer can follow without a support call.
Strong problem-solving and analytical skills, with a detail-oriented approach to compatibility and edge cases.

What Sets You Apart

Prior experience at a vendor shipping SDKs into regulated customers (banks, fintechs, insurers), including their security review, penetration test, and SBOM processes.
Familiarity with device attestation and anti-fraud signals (App Attest, DeviceCheck, Play Integrity, root/jailbreak and emulator detection).
Experience wrapping native SDKs for cross-platform frameworks (React Native, Flutter, Cordova).
Hands-on use of device farms (Firebase Test Lab, BrowserStack, AWS Device Farm) and testing against real carrier SIMs.
Backend familiarity (Python, Java) and REST API design - enough to help shape the service contract the SDK consumes.
Experience with mobile observability and crash reporting at scale.
Contributions to open-source mobile libraries, or public technical writing and developer advocacy.

The Ideal Candidate

You have shipped code that other developers depend on, and it shows in how you design an interface: small surface area, obvious usage, no sharp edges. You are equally comfortable in Swift and Kotlin, you are curious about what actually happens on the radio when a request leaves the device, and you treat a confusing integration guide as a bug in your own work.

Why Join EnStream?

At EnStream, you will play a critical role in shaping the architecture of trusted digital identity and data platforms used across Canada. You will work alongside leading telecom partners and enterprise clients, driving innovation in a space that directly impacts security, privacy, and trust for millions of users.

Join us in building the foundation for secure digital interactions in Canada.

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More about this job

Responsibilities

Own the end-to-end design, development, and release of native iOS and Android SDKs for identity and fraud-prevention services. This includes designing stable public APIs, managing distribution channels, and providing integration support for partner engineering teams.

Requirements

Requires a degree in Computer Science or equivalent and 5+ years of professional mobile development experience with proficiency in Swift and Kotlin. Candidates must have strong skills in API design, mobile networking, and library distribution for third-party consumption.

Skills

Swift
Kotlin
iOS SDK Development
Android SDK Development
Public API Design
Mobile Networking
Swift Package Manager
CocoaPods
Maven Central
Git
CI/CD
Asynchronous Programming
Automated Testing
Secure Storage
Technical Documentation
Security Mindset

Visa sponsorship

Not detected in the job text

Keywords

iOS
Android
Swift
Kotlin
SDK
API Design
Mobile Networking
HTTP/TLS
Swift Package Manager
CocoaPods
XCFramework
Maven Central
Gradle
CI/CD
Fastlane
GitHub Actions
Bitrise
Keychain
Android Keystore
Certificate Pinning
App Attest
DeviceCheck
Play Integrity
React Native
Flutter
Cordova
Firebase Test Lab
BrowserStack
AWS Device Farm
Scrum

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