Principal Software Engineer I, Cloud

Chennai · 7+ years experience · Hybrid · Posted Oct 8, 2026

At a glance

Cambridge Mobile Telematics (CMT) is the world’s largest telematics and AI company for safer mobility. Its mission is to make the world’s roads and drivers safer. The company’s AI-driven platform, DriveWell Fusion®, proactively identifies and reduces driving risk, leading to fewer crashes and injuries. To date, CMT’s technology has helped prevent over 126,000 crashes worldwide. CMT enables partners to measure risk, detect crashes, provide life-saving assistance, and streamline claims. Headquartered in Cambridge, MA, CMT operates globally with offices in Budapest, Hungary; Chennai, India; Seattle, Washington; Tokyo, Japan; and Zagreb, Croatia. Learn more at www.cmt.ai.

CMT is seeking a collaborative, customer-committed, hands-on Principal Software Engineer I, Backend to join the Data & Platform group and strengthen the shared engineering foundation used across CMT.
The role involves designing and evolving scalable, reliable, and reusable platforms across cloud infrastructure, data platforms, developer tooling, observability, core services, messaging, and AI-enabled engineering capabilities.
This position is based in Chennai and requires working from the CMT Chennai office three days per week.

Lead the design and implementation of scalable, reliable backend services and APIs
Use independent judgment to solve complex technical problems and make sound architectural decisions
Provide technical direction for projects that span multiple services or teams
Work with product managers, engineers, data teams, and other stakeholders to balance technical needs with customer and business requirements
Design systems that balance reliability, performance, scalability, security, operability, and cost
Identify and address performance bottlenecks, reliability issues, and recurring production problems
Lead design and code reviews for complex changes and help maintain a high bar for engineering quality
Improve engineering practices around testing, deployment, observability, and operational readiness
Troubleshoot complex production issues and provide technical leadership during critical incidents when required
Mentor engineers through design discussions, reviews, and day-to-day technical guidance

Bachelor’s degree or equivalent years of experience and/or certification in Computer Science, Engineering, or a related technical field
7+ years of relevant professional software engineering experience
Strong experience designing and building backend services, APIs, and distributed systems
Proficiency in at least one backend programming language such as Python, Go, Java, or C++
Strong understanding of relational databases, data modeling, schema design, and performance optimization
Experience with cloud platforms such as AWS and services across compute, storage, databases, messaging, and serverless technologies
Experience with automated testing, CI/CD, code reviews, and operating production systems
Experience diagnosing complex production issues using logs, metrics, traces, and other observability tools
Experience using AI-assisted development tools in day-to-day software engineering workflows
Demonstrated ability to work independently on complex problems and influence technical decisions across teams

Provident Fund (PF)
Corporate NPS
Meal card program
Equity in the form of Restricted Stock Units (RSUs)
Medical Benefits (Health insurance, Personal accident insurance, Group term life insurance)
Gratuity
Parental leave
Sick/casual leave
Leave encashments
Flexible allowances including Leave Travel Assistance, Telephone/Mobile Expenses, Professional development expenses, Meals Coupon, Vehicle Reimbursement