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Added 1 month ago
MS
Software Developer in Test II
Motorola Solutions
Vancouver, BC
- Full-time
Proficiency in modern programming languages (e.g., Python, Java, TypeScript, C#, or C++)
Added 1 month ago
Crypto Engineer (Contract)
Capco
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You’ll bring together expertise in encryption technologies, mainframe systems, application development, and secure engineering practices, with a particular focus on Crypto as a Service…
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Software Development Engineer, WW Deals & Promotions
Amazon
Vancouver, BC
Strong proficiency in at least one major programming language (e.g. Java, Python, C++, etc.)
Added 1 month ago
NB
Principal Lead AI Developer
National Bank of Canada
Montreal, QC
- Full-time
…Making, DevOps, Diversity & Inclusion, Github, Initiative, Java, Learning Agility, Python, Resiliency, System Deployment,…
Added 1 month ago
T
Développeur(euse) Full-Stack et intégration, SAP BTP | SAP BTP Full-Stack and Integration Developer
Talan
Montreal, QC
- Full-time
…engagement assignment, the SAP BTP Full-Stack and Integration Developer builds the services, applications, and integrations designed for Talan…
Added 1 month ago
T
Architecte de solutions SAP BTP et IA | SAP BTP AI Solutions Architect
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Added 1 month ago
LD
Systems Engineer II
Leonardo DRS
Ottawa, ON · Kanata, ON
- Full-time
Experience with scripting or programming languages (e.g., Python, Java).
Added 1 month ago
LD
Systems Engineer
Leonardo DRS
Ottawa, ON · Kanata, ON
- Full-time
Experience with scripting or programming languages (e.g., Python, Java).
Added 1 month ago
Systems Engineer II
Leonardo DRS, Inc.
Ottawa, ON · Kanata, ON
Experience with scripting or programming languages (e.g., Python, Java).
Added 1 month ago
TC
AI Deployment & Solutions Lead
Tata Consultancy Services
Toronto, ON
- $115,000 to $165,000 CAD / year
- Full-time
Strong programming skills in Python, Java/JavaScript, C++ or equivalent.
Added 1 month ago
S
Java/Python DB Developer
Synechron
Montreal, QC
- $80,000 to $90,000 CAD / year
- Full-time
Nous recherchons un Développeur Java/Python/Base de Données expérimenté, avec 5 à 7 ans d’expérience, pour rejoindre notre équipe de Données de Référence Sécuritaires. Le candidat idéal…
Added 1 month ago
OI
Senior Full Stack Developer
OXARO Inc.
Ottawa, ON
- Full-time
5+ years of experience working with 2 or more programming languages, such as Python, C#, Java, or Ruby.
Added 5 months ago
C
AWS Solution Architect
CGI
Toronto, ON
- Full-time
Strong experience with Node.js-based application architecture and development, with the ability to design and support cloud-native and microservices-based solutions on AWS. Node.js…
Added 2 months ago
MP
Quality Management and Data Support Specialist
Municipal Property Assessment Corporation
Pickering, ON
- Full-time
Experience in at least one general programming and/or scripting language such as Java, Python, C++, SQL, etc; and proficient with GIS and visualization tools such as QGIS, ArcView,…
Added 1 month ago
Z
Technical Consultant II/III
Zafin
Toronto, ON
- Full-time
Hands-on experience with Java, Spring Boot, Python, J2EE, object-oriented design, design patterns, Maven, Git, CI/CD pipelines, and Agile delivery practices.
Added 1 month ago
EL
Solutions Architect – Digital Identity, Telco & Data Platforms
EnStream LP
Toronto, ON
- Full-time
The role will work across application, cloud, data, security, and telecommunications domains, translating product and business requirements into practical technical solutions. The Solutions…
Added 1 month ago
EL
Mobile Developer
EnStream LP
Toronto, ON
- Full-time
Write and own developer-facing documentation - integration guides, API reference, migration notes, and troubleshooting runbooks.
Added 1 month ago
SC
Junior Software Developer
SRC Can
Ottawa, ON
- $60,000 to $87,550 CAD / year
- Full-time
Applied knowledge and experience with Java, Typescript, and Python.
Added 1 month ago
GP
Senior Software Engineer
Generac Power Systems
Toronto, ON · Canada - Toronto
- Full-time
We also use Java, Python, and JavaScript, and value choosing the right tool for the job.
Added 1 month ago
IC
Application Security, Senior Specialist
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Toronto, ON · Interac Corp. Head Office
- Full-time
The Application Security, Senior Specialist will play a critical role in safeguarding our ecosystem by ensuring that our applications are designed, built, and deployed securely. You will…
Added 1 month ago
M
Senior Software Engineer
Microsoft
Vancouver, BC
- Full-time
…coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or…
Added 1 month ago
AG
Senior Software Developer / Développeur(se) Logiciel Sénior
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Montreal, QC
- Full-time
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Added 1 month ago
S
Senior Core Java Developer with E-trade exp.
Synechron
Toronto, ON
- $110,000 to $120,000 CAD / year
- Full-time
We are seeking a highly skilled Senior Java Developer with AI experience to join the FIC Global Spread Products eTrading Technology team. The successful candidate will contribute to the…
Added 1 month ago
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Principal AI Engineer
PointClickCare
Mississauga, ON
- $191,700 to $213,000 CAD / year
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Added 1 month ago
Technical Consultant II/III
Zafin
Toronto, ON
Hands-on experience with Java, Spring Boot, Python, J2EE, object-oriented design, design patterns, Maven, Git, CI/CD pipelines, and Agile delivery practices.

EnStream LP

Mobile Developer

Toronto, ON, Canada

Full-time

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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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