Principal Software Engineer, Mobile
Key Skills for This Role
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Responsibilities
- Partner with product managers to understand business directions and collaborate with product managers, technical leads and other stakeholders to develop project plans that meet business needs
- Own a significant component of the mobile technical stack at CMT
- Train, guide, and mentor other developers on proper software development procedures and methods
- Participate in the hiring process
- Cross team and service boundaries to solve technical and business problems
- Design and architect solutions that are maintainable, scalable, reliable and testable while keeping future business directions in mind
- Lead code and design reviews
- May lead project groups that are focused on a specific company objective or key result
- Improve company defined development and operational standards and processes
- Provide on-call support during business critical emergency scenarios. Support and troubleshoot production issues as needed.
- Complete any additional tasks as they arise
Qualifications
- Bachelor’s degree or equivalent years of experience and/or certification in a related field
- 7+ years of relevant professional experience
- Ability to do general development tasks on Linux and MacOS; fluency in a scripting language, like Python, Ruby, with the ability to learn more
- Understanding of Agile development methodologies (specifically SCRUM)
- Experience with different application architectures such as Model-View-Controller, MVVM, and VIPER
- Experience consuming and/or designing REST APIs
- Experience building, developing and delivering Android or iOS mobile applications and SDKs
- Basic understanding of end-to-end technical solutions including backend systems
- Experience with continuous deployment, and test-driven development (TDD)
- Skills required for Android developers:
- Proficient in both Java and Kotlin with a strong understanding of concurrency concepts
- Experience with Android JetPack libraries
- Experience with Kotlin coroutines and flows
- Familiarity with third-party Android libraries like RxJava, Dagger 2, and Retrofit
- Fluency with the Gradle build system for Android
- Skills required for iOS focused developers:
- Proficient in both Swift and Objective-C with a strong understanding of concurrency concepts
- Experience with iOS Frameworks and development using XCode
- Familiarity with third-party iOS libraries
- Fluency with cocoapods or Swift Package Manager
Nice to Haves
Actively uses AI coding tools in development work, can critically evaluate AI-generated code for logical errors, edge cases, and security or reliability risks, and can explain and take full ownership of any code incorporated into their work.
Previous experience developing and maintaining SDKs or mobile platforms consumed by external developers, including managing API versioning, backward compatibility, and developer ergonomics.
Experience with mobile observability practices, including custom logging pipelines, crash reporting, and metrics collection with low overhead on devices.
Experience with background processing and battery optimization on Android, including managing OS-level restrictions such as Doze mode, App Standby, and foreground service requirements.
Demonstrated history of technical leadership without authority, including driving architectural decisions, mentoring peers, and influencing engineering direction across teams.
Compensation and Benefits
- Fair and competitive salary based on skills and experience, and annual performance bonus
- Equity may be awarded in the form of Restricted Stock Units (RSUs)
- Medical, Dental, Vision and Life Insurance, matching 401k, short-term & long-term disability and parental leave
- Unlimited Paid Time Off including vacation, sick days & public holidays
- Flexible scheduling and work from home policy depending on role and responsibilities
Base Salary Range
- The base salary range for this position is: $167,200 to $209,000. This range is specifically for Cambridge, MA
- A dditional Perks:
- Feel great working to improve road safety around the world!
- Join one of our many employee resource groups including Black, AAPI, LGBTQIA+, Women, Book Club and Health & Wellness
- Extensive wellness, education and employee assistance programs
- CMT will do all that is possible to support our employees and create a positive and inclusive work environment for all!
Commitment to Diversity and Inclusion
A t CMT, we believe the best ideas come from a mix of backgrounds and perspectives.
We are an equal-opportunity employer committed to creating a workplace and culture where everyone feels valued, respected, and empowered to bring their unique talents and perspectives. Diversity is essential to our success, and we actively seek candidates from all backgrounds to join our growing team.
We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, m arital status, veteran status or disability state. CMT is headquartered in Cambridge, MA. To learn m ore, visit www.cmtelematics.com and follow us on X @cmtelematics.
About Cambridge Mobile Telematics
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