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Added 4 months ago
TA
Senior Software Engineer
Treasure AI
Vancouver, BC
- $132,500 to $171,000 CAD / year
- Full-time
Strong backend proficiency (experience with Ruby, Go, Java, or Kotlin is preferred), including a solid understanding of database design and API scalability.
Added 1 month ago
EM
Senior Software Engineer - Backend
Evertz Microsystems Limited
Burlington, ON
- Full-time
5+ years of software engineering experience in a strongly typed language; Java preferred (Python, Rust, Go, C++, or C# also considered)
Added 29 days ago
RR
Principal Android Engineer
Rakuten Rewards
Toronto, ON · CN-Yonge Sheppard Center
- Full-time
…including generative AI and intelligent automation, to enhance developer productivity, optimize application capabilities, and drive innovation in mobile platform…
Added 4 months ago
B
Full Stack Developer, Tax Transformation Office
BDO
Toronto, Ontario
- Full-time
We are seeking an exceptionally skilled Full Stack Developer to join the Tax R&D Lab within the Tax Transformation Office and help build the next generation of intelligent platforms,…
Added 4 months ago
B
Applied AI Engineer
Bounteous
Montreal, Quebec
- Full-time
5+ years of strong front-to-back engineering experience, focusing on AI ML platforms and workflows (Python or Java).
Added 4 months ago
GP
Staff Software Engineer
Generac Power Systems
Remote, Canada
- Full-time
- Remote
Proficiency in multiple programming languages and frameworks including Go, Java, TypeScript, C++, Python, etc.
Added 1 month ago
R
Senior Software Development Engineer, Authentication
Remitly
Burnaby, BC
- Full-time
Design and build authentication services and flows end-to-end - backend services (Go, Java, TypeScript), identity platform configuration and custom actions, and native mobile and web login…
Added 4 months ago
V
Sr. Infrastructure Engineer
VGS
Canada
- Full-time
…with a highly consistent modern stack (e.g. AWS, Kubernetes, Java, TypeScript, Python) and world-class AI-augmented SDLC tooling. We strip away the friction so you can focus on the problems…
Added 4 months ago
S
DevOps Engineer
ShyftLabs
Toronto, Ontario
- Full-time
Experience with building new Cloud systems that completely support microservice architectures (API Gateway, serverless compute, Redis, NoSQL DBs) as well as legacy client/server…
Added 4 months ago
C
React Full Stack Developer
Citi
Remote, Canada
- Full-time
- Remote
3+ years of proven software development experience, specializing in Java, JavaScript framework like React, Spring Boot, and Oracle.
Added 4 months ago
S
Software Developer
ShyftLabs
Toronto, Ontario
- Full-time
We at ShyftLabs are seeking a highly motivated and curious Software Developer to join our growing engineering team. This role is ideal for young professionals who are excited to learn,…
Added 4 months ago
ML
Enterprise Application Developer
McMillan LLP
Toronto, Ontario
- Full-time
The Enterprise Application Developer is responsible for defining, designing, developing, integrating, testing, documenting and deploying solutions for assigned projects and tasks. The…
Added 4 months ago
PC
SAP AI Solution Architect
Parkland Corporation
Calgary, Alberta
- Full-time
Integration & Extensibility: Design secure integrations between SAP core systems and AI services, leveraging CAP, Event Mesh, API Management, and clean-core patterns.
Added 4 months ago
MF
Senior Software Development Engineer in Test
Magnet Forensics
Ottawa, Ontario · Toronto, Ontario · Waterloo, Ontario
- Full-time
Strong software engineering skills with demonstrated proficiency in at least one programming language (e.g., Python, C#, Java), including:
Added 4 months ago
Senior Staff Developer, DevOps
Benevity
Calgary, Alberta
…part of our DNA. We're on the lookout for a Senior Software Developer who thrives in a fast-paced environment and values collaboration in a diverse and inclusive team setting. Your…
Added 4 months ago
Senior Staff Developer, DevOps
Benevity
Toronto, Ontario
…part of our DNA. We're on the lookout for a Senior Software Developer who thrives in a fast-paced environment and values collaboration in a diverse and inclusive team setting. Your…
Added 4 months ago
Senior Staff Developer, DevOps
Benevity
Vancouver, British Columbia
…part of our DNA. We're on the lookout for a Senior Software Developer who thrives in a fast-paced environment and values collaboration in a diverse and inclusive team setting. Your…
Added 1 month ago
Staff Software Engineer - Growth Platform
Faire
Toronto, ON · Kitchener, ON
…targeting capabilities, experimentation infrastructure and developer tooling that power growth across the…
Added 27 days ago
Software Engineer, (Cloud CICD Platforms)
Scotiabank
Toronto, ON
Intermediate development experience & skills with REST API, functional programming, object oriented design, data structures, and systems integration.
Added 27 days ago
Staff Software Engineer (Cloud CICD Platforms)
Scotiabank
Toronto, ON
Advanced development experience & skills with REST API, functional programming, object-oriented design, data structures, and systems integration.
Added 27 days ago
Client Technology - Engineering - Architecture
EY
Toronto, ON
Expert-level skills in multiple application programming and scripting languages (JavaScript, .NET, Java, Python, C++, etc.), SQL and noSQL databases, Bigdata and its processing, Data…
Added 4 months ago
GE
Senior Integration Engineer (Future oppourtunity)
GFL Environmental Inc.
Vaughan, Ontario
- Other
Cloud Integration: Connect cloud applications and third-party services using AWS Lambda, S3, API Gateway, SQS, SNS, and EventBridge.
Added 4 months ago
Senior Staff Developer
Benevity
Calgary, Alberta
Benevity is seeking a talented Senior Staff Developer, who has an extensive record of hands-on Full Stack Development and Architecture experience. This role, reporting to the Director of…
Added 4 months ago
Senior Staff Developer
Benevity
Vancouver, British Columbia
Benevity is seeking a talented Senior Staff Developer, who has an extensive record of hands-on Full Stack Development and Architecture experience. This role, reporting to the Director of…
Added 4 months ago
Senior Staff Developer
Benevity
Toronto, Ontario
Benevity is seeking a talented Senior Staff Developer, who has an extensive record of hands-on Full Stack Development and Architecture experience. This role, reporting to the Director of…

Rakuten Rewards

Principal Android Engineer

Toronto, ON, Canada
CN-Yonge Sheppard Center, Canada

Full-time

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Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 30, 2026
Experience: 15+ years of software engineering experience, including leadership roles.
Posting language: English
Posted: Sep 11, 2026

Original job description

Job Description:

Rakuten International is a division of Rakuten Group, Inc., a Japanese global technology leader in services that empower individuals, communities, businesses and society. Headquartered in San Mateo, California with more than 4,000 employees worldwide, the Rakuten International business portfolio includes market leaders in e-commerce, digital marketing, advertising, communications and entertainment. We create products and services that provide exceptional value by aligning members and the businesses that want to engage them in a shared community.

Rakuten is the most rewarding way to shop, giving millions of members Cash Back when they buy from their favorite brands. As a leading shopping platform, Rakuten partners with thousands of top brands across apparel, beauty and wellness, grocery, travel, on-demand services, subscriptions, and dining, helping members save on everyday purchases. Since 1999, Rakuten members have earned more than $4.6 billion in Cash Back, making it the largest Cash Back platform of its kind. Learn more at Rakuten.com.

Job Summary:

We are seeking a visionary Principal Android Engineer to lead the evolution of our client application architecture and platform capabilities. You’ll define and drive the technical direction for Android across core frameworks, dynamic rendering systems, and design system integrations that power scalable mobile experiences.

You will collaborate closely with product managers, designers, and engineering teams to deliver high-performance, accessible, and localized mobile applications. As a technical leader, you will shape reusable application frameworks, UI component systems, and SDK integrations that enable consistent and high-quality implementations across multiple client platforms.

This high-impact position influences architectural standards, mentor engineers, and champion best practices in performance, accessibility, localization, multi-region capabilities and platform scalability. If you are passionate about building foundational mobile platforms, enabling engineering excellence, and shaping the future of large-scale mobile applications, we want you on our team.

In this role, you will design, develop, and maintain software applications to meet user needs and business objectives. You will analyze requirements, write clean and efficient code, and collaborate with cross-functional teams to deliver scalable and user-friendly applications. Your role will involve debugging and improving existing applications, ensuring optimal performance, and integrating new features to enhance functionality. With a strong foundation in application development and problem-solving skills, you will contribute to creating innovative solutions that align with organizational goals.

Key Responsibilities:

Advises senior management of strategic opportunities and risks associated with emerging technologies and industry trends.
Applies advanced knowledge of software engineering principles to develop and implement solutions that meet complex business objectives.
Conducts advanced research and analysis to identify innovative approaches for improving system performance and scalability.
Consults on critical design and development decisions to ensure alignment with organizational strategy and compliance standards.
Devises robust architectures and frameworks that optimize application functionality and future scalability.
Leverage and guide adoption of modern AI and machine learning strategies, including generative AI and intelligent automation, to enhance developer productivity, optimize application capabilities, and drive innovation in mobile platform solutions.
Directs team to implement best practices and adhere to established standards for coding, testing, and deployment.
Define standards and best practices for API integration and client-service communication to ensure scalability, reliability, and maintainability across mobile platforms.
Drives cross-functional collaboration to ensure successful execution of high-priority projects.
Facilitates knowledge-sharing sessions to mentor less-experienced team members and advance organizational technical expertise.
Masters emerging technologies and adapts them to enhance the organization’s competitive position in the market.
Define and drive the long-term Android platform technical roadmap aligned with product strategy and business objectives.
Establish and participate in architecture governance and technical design review processes to ensure consistency, scalability, and adherence to engineering standards across client platforms.
Evaluate, pilot, and guide adoption of emerging technologies, frameworks, and tools that improve platform capabilities and developer productivity.
Identify, prioritize, and mitigate technical risks and architectural debt that could impact platform scalability, performance, and maintainability.
Drive improvements in developer experience (DX) through better tooling, automation, documentation, and reusable platform capabilities.

Qualifications:

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Expert in Android SDK, Android Studio, Kotlin, and Java.
Deep understanding of Android OS concepts, UI/UX and security best practices, and performance optimization.
Strong knowledge of architectural patterns such as MVVM, MVP, or Clean Architecture.
Experience with modularization, dependency injection (e.g., Dagger or Hilt), and reactive programming (e.g., RxJava, Coroutines).
Experience building large-scale, event-driven architectures using tools like Event Bus, LiveData, RxJava, or Coroutines/Flows
Expert with XML Views/Jetpack Compose.
Strong background in Agile methodologies, continuous improvement, and process automation.
Experience in coordinating with cross-functional teams to drive process improvements and ensure product quality.
Expertise in writing robust, maintainable, and testable code. Experience with code reviews, debugging, unit testing (using frameworks like JUnit, Robolectric), and UI testing (using Espresso).
Experience with global app deployments, feature flags, A/B testing, analytics and working in a monorepo environment
Portfolio of published applications on GitHub and/or the Play Store.
Experience leveraging AI tools and technologies to optimize or redesign engineering workflows, delivering measurable improvements in efficiency, quality, or productivity.
Familiarity with responsible and ethical AI practices, including risk assessment, bias mitigation, and ensuring quality, transparency, and accuracy in AI-assisted solutions.
Commitment to continuous AI skill development, including experience with prompt and context engineering, AI-assisted development workflows, or agent-based systems, and staying current with emerging AI technologies.
Strong problem-solving and communication skills.
Experience with Design Systems.
Knowledge of emerging technologies in mobile development is a plus.

Minimum Requirements:

Bachelor’s or Master’s degree in Computer Science, Software Engineering, or a related field.
Solid written and verbal communication skills.
15+ years of software engineering experience, including leadership roles.

Five Principles for Success
Our worldwide practices describe specific behaviors that make Rakuten unique and united across the world. We expect Rakuten employees to model these 5 Shugi Principles of Success.

Always improve, Always Advance - Only be satisfied with complete success - Kaizen
Passionately Professional - Take an uncompromising approach to your work and be determined to be the best
Hypothesize - Practice - Validate – Shikumika - Use the Rakuten Cycle to succeed in unknown territory
Maximize Customer Satisfaction - The greatest satisfaction for our teams is seeing their customers smile
Speed!! Speed!! Speed!! - Always be conscious of time - take charge, set clear goals, and engage your team

Rakuten provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type. Rakuten considers applicants for employment without regard to race, color, religion, age, sex, national origin, disability status, genetic information, protected veteran status, sexual orientation, gender, gender identity or expression, or any other characteristic protected by federal, state, provincial or local laws.

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More about this job

Responsibilities

Lead the technical direction and architecture of the Android platform, focusing on scalable frameworks and design system integrations. Collaborate with cross-functional teams to drive the long-term technical roadmap and mentor engineers in best practices.

Requirements

Requires over 15 years of experience and a Master's degree, with expert-level proficiency in Android SDK, Kotlin, and Java. Candidates must have a strong background in architectural patterns, AI-assisted development, and large-scale mobile application deployment.

Skills

Android SDK
Kotlin
Java
Jetpack Compose
MVVM
Dagger
Hilt
Coroutines
RxJava
Unit Testing
UI Testing
Agile
Design Systems
AI Tools
API Integration
Modularization

Visa sponsorship

Not detected in the job text

Keywords

Android SDK
Android Studio
Kotlin
Java
MVVM
MVP
Clean Architecture
Dagger
Hilt
RxJava
Coroutines
Flows
Jetpack Compose
XML Views
JUnit
Robolectric
Espresso
Agile
Monorepo
A/B Testing
Generative AI
Prompt Engineering
AWS
Azure
DevOps
Cloud Computing
Design Systems
API Integration
Mobile Platform
SDK

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