Senior Swift/Kotlin Mobile Developer at Speer Technologies – Toronto | Jobyssey

What You’ll Do

As a Senior Mobile Developer, you will lead the development of native mobile applications across iOS and Android platforms. You will shape architecture, guide technical direction, and work closely with product and design teams to deliver high-quality mobile experiences.

Design, build, and maintain scalable native applications using Swift and Kotlin
Define and evolve mobile architecture and shared design patterns across platforms
Lead end-to-end mobile development from UI integration to backend connectivity
Collaborate with product, design, hardware, and backend teams on technical requirements
Build and integrate REST APIs and third-party SDKs
Integrate mobile applications with hardware peripherals such as Bluetooth devices, LiDAR sensors, and other connected systems
Optimize performance, stability, and scalability across mobile platforms
Conduct code reviews and mentor junior developers
Improve CI/CD pipelines and release processes for App Store and Google Play

Responsibilities

Own mobile architecture and ensure long-term scalability and maintainability
Drive integration between mobile applications and hardware systems
Lead performance tuning, debugging, and optimization efforts
Support testing strategies and continuous integration practices
Stay current with mobile, IoT, and hardware integration technologies

Skills Required

3+ years of professional mobile development experience
Strong experience with Swift and Kotlin in production environments
Solid understanding of mobile architecture and system design
Experience integrating REST APIs, OAuth/JWT, and third-party SDKs
Experience with hardware and peripheral integration, including Bluetooth devices, LiDAR, or similar technologies
Familiarity with CI/CD pipelines and Git workflows
Experience publishing apps to App Store and Google Play
Strong understanding of full stack systems is an asset

Preferred Skills

Experience with Fastlane, Bitrise, or GitHub Actions
Familiarity with AWS, GCP, or Docker
Exposure to microservices or service-oriented architecture
Experience with mobile testing frameworks
Knowledge of accessibility and performance optimization

Ideally you will also have:

An Agile mindset with experience working in dynamic product teams.
A spirit of collaboration and transparent communication.
A passion for elegant UX and well-architected systems.
High personal development standards, including documentation, testing, and clean code.
A willingness to grow across the stack — from mobile interfaces to backend APIs.
Team spirit and a sense of humour is always great!
Fluency in French is an asset.

Job Details:

Job Type: Full-Time
Pay: $70,000–$100,000 a year
Flexible Language Requirement: French not required
Schedule: Monday to Friday

Benefits:

Dental care
Paid time off
Vision care
Wellness program

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