Principal Software Engineer, Mobile

Cambridge Mobile Telematics•Cambridge, MA

9h•Hybrid

About The Position

Cambridge Mobile Telematics (CMT) is the world’s largest telematics service provider. Its mission is to make the world’s roads and drivers safer. The company’s AI-driven platform, DriveWell Fusion®, gathers sensor data from millions of IoT devices — including smartphones, proprietary Tags, connected vehicles, dashcams, and third-party devices — and fuses them with contextual data to create a unified view of vehicle and driver behavior. Auto insurers, automakers, commercial mobility companies, and the public sector use insights from CMT’s platform to power risk assessment, safety, claims, and driver improvement programs. Headquartered in Cambridge, MA, with offices in Budapest, Chennai, Seattle, Tokyo, and Zagreb, CMT measures and protects tens of millions of drivers across the world every day. CMT is looking for a collaborative, customer-committed, and creative Principal Android Engineer who wants to join us in making roads safer by making drivers better. This is a principal-level individual contributor role on the Android SDK team, focused on deep technical ownership, cross-functional tech leadership, and driving the architectural direction of CMT's Android SDK platform.

Requirements

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)
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
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.

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

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
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!

Stand Out From the Crowd

Upload your resume and get instant feedback on how well it matches this job.

Upload and Match Resume