Principal Data Engineer

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.

We're looking for a technically deep and broadly experienced Principal Data Engineer to architect and implement our next-generation data platform. You'll collaborate with our Data Analytics and Data Science teams, utilizing a suite of AWS technologies and Databricks to build and maintain a scalable, performant, and secure data ecosystem. This includes designing and managing data storage solutions, providing data analysis for product launches, and ensuring data integrity. We need a proven expert in large-scale data processing, secure backend development, and a comprehensive understanding of the software development lifecycle, including testing, automation, and deployment. If you're passionate about leveraging your technical expertise to improve road safety, we encourage you to apply.

Responsibilities:

• Create and lead formal project groups within the engineering team
• Take ownership of business requirements and change requests, then transform them into business solutions that achieve company objectives
• Design and implement platform data infrastructure with a focus on maintainability, usability, scalability, reliability and performance
• Collaborate with other technical leads and stakeholders to develop project plans and participate in resource planning
• Implement and maintain ETL pipelines in Spark, SQL and Python with automated testing based on the requirements 
• Champion quality standards and drive technology improvements within the team's domain
• Lead code and design reviews
• Provide required support and troubleshoot production; this role will be subject to on-call responsibilities (mainly during business hours, as well as occasional nights, weekends and holidays)
• Offer expert recommendations on current research to drive scalable and cost-effective solutions
• Evolve the data engineering development practices, operational standards, and processes
• Complete any additional tasks as they arise

Qualifications:

• Bachelor’s degree or equivalent years of experience and/or certification in Computer Science, Statistics, Mathematics, Engineering, or Data Science.
• 9+ years of relevant working experience as a Data Engineer or Cloud Engineer with data focus
• Up-to-date knowledge on the latest technologies and trends in data engineering
• Proven ability to design data models and database schemas
• Extensive experience with data lakehouses, data warehousing and ETL processes (e.g. Delta lake, Spark, AWS Redshift, AWS Glue, AWS S3)
• Proficiency in software development and scripting languages for data manipulation (e.g., Python, PySpark)
• Expertise in writing, maintaining, and optimizing analytics SQL queries
• Hands-on AWS services, Infrastructure as Code, and CI/CD experience
• System design and documentation skills, including writing and reviewing code to automate away problems within the squad’s domain
• Ability and willingness to participate in the team’s on-call rotation
• Experience working to support data analytics and data science teams

Nice to Have:

• Experience with Databricks, Unity Catalog, data contracts
• Experience using Redshift, AWS Glue, EC2, Lambda, RDS (PostgreSQL), S3, Dynamo
• Experience with Docker, CloudFormation, Terraform
• Experience building scalable data processing systems for production environment
• Ability to navigate code, request data from data sources, and code for bug fixes
• Actively seeks feedback and resolves discrepancies with senior team members

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

Additional 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:

At 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, marital status, veteran status or disability state. CMT is headquartered in Cambridge, MA. To learn more, visit www.cmtelematics.com and follow us on X @cmtelematics.