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Added 3 hours ago
C
Principal Engineer - Android
COSMO
Remote, Canada
- $120,000 to $140,000 CAD / year
- Full-time
- Remote
Role Summary: We are looking for a Principal Engineer to set the technical direction for our Android platform and raise the engineering bar across the organization. As the most senior…
Added 4 hours ago
M
Customer Experience Engineer / M365
Microsoft
Toronto, ON
- Full-time
…Strategic Customers for the M365 Platform. We are a diverse global team of highly motivated, talented and customer obsessed Service engineers who love the balance of engineering and…
Added 5 hours ago
C
Software Developer
Cisco
Ottawa, ON · Kanata, Ontario
- Full-time
…members work closely across Cisco’s broader networking and security portfolios to shape the future of intent-based…
Added 6 hours ago
VM
Sr Full Stack Engineer
Vivid Machines
Toronto, ON
- Full-time
Our vision at Vivid Machines is to revolutionize agricultural production to help solve food security globally. Our initial focus is on helping fruit and vegetable farmers improve the…
Added 6 hours ago
SR
Backend Engineer - Kotlin
Swim Recruiting
Vancouver, BC
- $75 to $95 CAD / hour
- Contract
6-month contract Kotlin Engineer role with a global retail client.
Added 7 hours ago
N
Sr.Test Automation Engineer
Nokia
Ottawa, ON · Kanata, ON
- Full-time
We are seeking an experienced Sr. Test Automation Engineer to act as a functional manager in our team and drive quality assurance initiatives. The successful candidate will have a strong…
Added 7 hours ago
RI
Senior Software Development Engineer in Test (SDET)
Rose International
Mississauga, ON
- Full-time
Certified Software Test Architect / ISTQB Advanced Level (Test Automation Engineer / Technical Test Analyst).
Added 8 hours ago
D
Senior SDET / Quality Engineering Lead/Architect
Droisys
Brampton, ON
- Contract
We are seeking a Senior Software Development Engineer in Test (SDET) / Quality Engineering Architect to join our team. The ideal candidate will have strong experience in architecting…
Added 8 hours ago
M
Software Engineer - II
Mastercard
Vancouver, BC
- Full-time
Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making…
Added 8 hours ago
M
Senior AI Engineer, Big Data & AI Solutions
Mastercard
Vancouver, BC
- Full-time
The Security Solutions Data Science team develops AI and machine learning capabilities that help protect the global payments ecosystem from fraud and cyber threats. Supporting Mastercard's…
Added 9 hours ago
K
Software Engineer in Test
Kelly
Mississauga, ON
- Contract
…engineering, and establishing automated quality gates across global engineering…
Added 9 hours ago
PC
Senior Software Development Engineer in Test (SDET) / Quality Engineering Architect
Pyramid Consulting, Inc
Mississauga, ON
- $70 to $79 CAD / hour
- Contract
Immediate need for a talented Senior Software Development Engineer in Test (SDET) / Quality Engineering Architect. This is a 06+months contract opportunity with long-term potential and is…
Added 9 hours ago
T
Software Engineer III
TD
Toronto, ON
- Full-time
As a lead software engineer, you are accountable for shaping and delivering end-to-end solutions for enterprise-grade platforms and complex initiatives. You set technical direction, define…
Added 9 hours ago
T
Software Engineer II
TD
Toronto, ON
- Full-time
As a Software Engineer II, you provide technical expertise to implement scalable, reliable and secure solutions for EDMO Data Catalog services. You contribute to solutions that operate…
Added 9 hours ago
M
Platform Engineer
Manulife
Toronto, ON · Waterloo, ON
- Full-time
We’re looking for a Platform Engineer who enjoys solving complex infrastructure challenges, improving developer experiences, and building secure, automated cloud environments. You’ll work…
Added 9 hours ago
L
Senior Product Manager
Litera
Toronto, ON · Canada-Toronto, ON-Office
- Full-time
…including data models, ingestion patterns, APIs, extensibility, security, and scalability - applying an AI-first approach to where AI capabilities and MCP services deliver the most…
Added 9 hours ago
D
Software Engineer in Test
Dexian
Mississauga, ON
- Other
We are seeking a visionary and hands-on Senior Software Development Engineer in Test (SDET)/Quality Engineering Architect to define, champion, and drive the global quality engineering…
Added 10 hours ago
X
Engineering Manager- Payments Platform
Xero
Remote, Canada
- Full-time
- Remote
…across Xero and enable new product lines globally, including global bill payments. You'll keep the team delivering while building the engineering practices and capability it needs to…
Added 11 hours ago
KS
Java - Lead Developer
Kumaran Systems
Toronto, ON
- Full-time
…confidence, automate with clarity, and scale with purpose. Our global delivery model ensures agility, responsiveness, and seamless collaboration, with clients always at the heart of every…
Added 11 hours ago
T
Senior Consultant, ML/AI Engineer, Data & AI
Toast
Vancouver, BC
- $77,000 to $102,000 USD / year
- Full-time
Toast is recruiting on behalf of a global professional services firm with a large Canadian presence and thousands of professionals across the country, for a Senior Consultant, ML/AI…
Added 12 hours ago
Senior Network Development Engineer
NetBrain
Toronto, ON
We are looking for a Senior Network Development Engineer to own the engineering behind the correctness, coverage, and reliability of these resources. This role will design and build the…
Added 12 hours ago
QP
Building Operator, Level 2
QuadReal Property Group
Calgary, AB
- Full-time
QuadReal Property Group is a global real estate investment, development and operating company headquartered in Vancouver, British Columbia. Its assets under management are $98.5 billion.…
Added 12 hours ago
Principal Product Manager - Billing & Platform
Constant Contact
ON
Own Identity & Authentication: Partner with Engineering and Security on sign-in, single sign-on (SSO), account access and the identity platform behind them.
Added 13 hours ago
System Architect - Krembil Centre for Neuroinformatics
CAMH
Toronto, ON
…reproducible, data-driven research, strong data governance, and global…
Added 14 hours ago
B
Lead Cloud Software Developer - (AWS / AI / Real Time Payment Systems)
BMO
Toronto, ON · BMOPLACE
- Full-time
…systems, cloud architecture, API development, CI/CD automation, security, resiliency, and operational excellence within a regulated financial services…

COSMO

Principal Engineer - Android

Remote, Canada

Remote

$120,000 to $140,000 CAD / year · Full-time

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Job details

Pay: $120,000 to $140,000 CAD / year
Job type: Full-time
Workplace: Remote
Posting language: English
Posted: Oct 27, 2026

Original job description

Our Story:

At COSMO, we inspire kids through innovative technology and a supportive community. Our family-centric products, such as the award-winning JrTrack Kids Smartwatch, enhance children's independence and confidence. This all-in-one device functions as a phone, GPS tracker, and music player, managed via the Mission Control Parent App, which allows parents to set safety alerts and manage contacts. Recognized as a top kids' wearable by PCMag and others, Cosmo is on the rise.

About the Role

Department: Engineering

Role Summary: We are looking for a Principal Engineer to set the technical direction for our Android platform and raise the engineering bar across the organization. As the most senior individual contributor on the team, you will own the hardest architectural problems, define the standards other engineers build to, and drive multi-quarter technical strategy that spans teams and products. This is a deeply hands-on role with org-wide influence: you will still write and review code and lead execution, but your largest impact comes from your technical judgment, your depth in one or more critical domains, and your ability to grow the engineers and processes around you.

Core Responsibilities

Set technical strategy and own the architecture, reliability, performance, and security of the Android platform across teams and products.
Serve as the deep technical authority in one or more critical domains (for example GNSS, calling, networking, connectivity, power, or system services) and act as the go-to problem solver when those systems fail in hard-to-diagnose ways.
Lead technical design end to end: scope ambiguous problems, evaluate tradeoffs, produce and review design docs, and align teams and stakeholders on the approach.
Own the AIDL interfaces and communication between Android components, and the integration of hardware drivers and services with system and product applications.
Lead resolution of the hardest cross-layer issues spanning hardware, system services, performance, battery, memory, networking, and applications.
Define and model the engineering process the team builds to: PRs linked to tickets, unit test coverage, dev testing, rigorous code review, and hold the bar through your own reviews.
Lead and participate in agile ceremonies (daily standup, story refinement, retrospectives) and help the team break large initiatives into well-scoped, parallel workstreams.
Operate across multiple concurrent workstreams, sequencing and unblocking them without losing technical depth on any.
Mentor engineers at every level, including onboarding and ramping new hires, and grow the next generation of senior and lead engineers.
Act as the senior technical point of contact for hardware, firmware, product, design, and QA teams, and translate between them.
Drive platform-wide standards, tooling, and best practices, and influence the technical roadmap beyond any single area.
Set direction on AI-assisted development, driving adoption across the team where it provides measurable improvements in quality or productivity.

What You'll BringRequired Experience

8+ years of professional software engineering experience, with 6+ years focused on Android.
4+ years acting as a technical leader or principal-level IC, setting direction and mentoring engineers across teams.
Deep, demonstrable expertise in one or more platform domains such as GPS, calling, networking, connectivity, or system services (3+ years of focused depth).
7+ years hands-on with Android SDK, Android Studio, Kotlin, and Java.
4+ years hands-on with AOSP, Android framework, system services, privileged apps, HALs, or custom Android devices.
Deep knowledge of Binder, AIDL, drivers, and hardware-to-application data flow (4+ years).
Expert understanding of Android architecture, security, performance, and UI development.
4+ years with MVVM or Clean Architecture, modularization, Dagger or Hilt, Coroutines, Flow, or RxJava.
Experience with XML Views and Jetpack Compose (3+ years).
Expert testing and debugging skills using tools such as JUnit, Robolectric, Espresso, logs, traces, and bug reports.
4+ years working with CI/CD, feature flags, analytics, staged releases, and large codebases.
A track record of setting and upholding engineering processes (PR hygiene, unit testing, dev testing, code review) across a team.
A proven history of sound architecture and tradeoff decisions under ambiguity and constraint, at a scope that affected multiple teams or products.
Excellent communication, ownership, and problem-solving skills, with a demonstrated ability to drive alignment across the org.

Nice to Have

Deep experience with smartwatches, wearables, IoT, embedded Android, or other custom hardware (3+ years).
Experience with Linux drivers, JNI, C/C++, Soong, or the AOSP build system.
Published Android applications or open-source contributions.
Experience with design systems and global product releases.
Experience defining engineering process, tooling, or release infrastructure at the org level.
Familiarity with responsible AI-assisted development practices.

Skills & Attributes

Fluent in English
Strong technical ownership and decision-making mindset
Comfortable coordinating across time zones and cultures
Organized, clear communicator who surfaces risks early
Calm and effective in fast-moving, ambiguous environments

What We Offer

Competitive salary and benefits including 100% employer paid supplemental medical policy
Remote working environment
An opportunity to make a significant impact in a fast-growing company
Generous PTO
Collaborative, creative, and supportive work environment

Apply About employer

More about this job

Responsibilities

The Principal Engineer will set the technical strategy and architecture for the Android platform while leading cross-functional teams. They will also serve as a technical authority for critical domains and mentor engineers to maintain high engineering standards.

Requirements

Candidates must have over 8 years of software engineering experience with at least 6 years focused on Android development. A strong background in AOSP, system services, and technical leadership is required to manage complex architectural challenges.

Skills

Android
Kotlin
Java
AOSP
Android framework
System services
Binder
AIDL
Hardware drivers
Jetpack Compose
MVVM
Clean architecture
Dagger
Hilt
Coroutines
CI/CD

Benefits

Competitive salary
Supplemental medical policy
Remote working environment
Generous PTO

Visa sponsorship

Not detected in the job text

Keywords

Android
Kotlin
Java
AOSP
Android SDK
Android Studio
Binder
AIDL
HALs
MVVM
Clean Architecture
Dagger
Hilt
Coroutines
Flow
RxJava
Jetpack Compose
JUnit
Robolectric
Espresso
CI/CD
GNSS
Networking
Embedded Android
Linux drivers
JNI
Soong
Agile
Software Engineering
Technical Leadership

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