Senior Swift/Kotlin Mobile Developer

Speer Technologies Inc; Toronto; On-site; CAD 70,000 - 100,000; Full time

Benefits offered by this job

Growth Opportunities

Dynamic Environment

Innovation

Inclusive Workplace

Job summary

Speer Technologies Inc is actively seeking a Senior Mobile Developer to lead the development of native mobile applications across iOS and Android platforms in Toronto. This role involves shaping the architecture, guiding technical direction, and collaborating closely with product and design teams to deliver high-quality mobile experiences.

The ideal candidate is expected to have over 3 years of experience in mobile development, strong expertise in Swift and Kotlin, and be adept at integrating mobile applications with hardware systems.

Additional perks include opportunities for professional growth and a dynamic work environment in a tech-driven startup.

Qualifications

• 3+ years of professional mobile development experience.
• Strong experience with Swift and Kotlin in production environments.
• Solid understanding of mobile architecture and system design.

Responsibilities

• Lead the development of native mobile applications across iOS and Android platforms.
• Shape architecture and guide technical direction.
• Drive integration between mobile applications and hardware systems.

Skills

Swift

Kotlin

Mobile architecture

REST APIs

CI/CD pipelines

Bluetooth integration

App Store publishing

Tools

Git

Fastlane

Docker

Job description

• Speer Technologies is a dynamic technology hub based in Toronto, partnered with some of the largest technology incubators in the Greater Toronto Area. We are a team of passionate innovators and open-minded thinkers, dedicated to building groundbreaking technologies. Our products are on the path to receiving provisional patents, with partnerships spanning Italy, Germany, California, and France.
• As a startup, we thrive on creativity, collaboration, and the drive to push boundaries. Our fast-paced environment offers exposure to a variety of programming languages, software, and work environments, ensuring a rich learning experience. We provide ample opportunities for personal and professional growth, all while fostering an inclusive and barrier-free workplace.
• Speer is an equal opportunity employer and is committed to providing an inclusive and barrier-free recruitment process. We will accommodate the needs of applicants under the Ontario Human Rights Code and the Accessibility for Ontarians with Disabilities Act (AODA) throughout all stages of the recruitment and selection process.
• Please advise Speer of any accommodations you may require to ensure your equal participation in the recruitment and selection process. Information received relating to accommodation measures will be addressed confidentially.

Why Speer Technologies?

• Growth Opportunities: We offer the chance to grow with the company and take on new responsibilities as we expand.
• Dynamic Environment: Our fast-paced startup environment ensures no two days are the same.
• Innovation: Be part of a team that's pushing the boundaries of technology and making a real impact.
• Inclusive Workplace: We are committed to creating an inclusive environment where all employees can thrive.

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 Type: Full-Time
• Pay: $70,000–$100,000 a year
• Flexible Language Requirement: French not required