CMT is seeking a team-oriented, customer-committed, hands-on Principal Software Engineer I, Backend to join our Data & Platform group and strengthen the shared engineering foundation used across CMT. In this role, you will design and evolve scalable, reliable, and reusable platforms across cloud infrastructure, data platforms, developer tooling, observability, core services, messaging, and AI-enabled engineering capabilities. You will work across teams to establish practical architecture and engineering standards, improve reliability and developer experience, and build self-service capabilities that help CMT engineers develop, deploy, and operate products at scale. This role is based in Chennai and requires working from the CMT Chennai office three days per week.

Responsibilities:

• 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

• Contribute to technical roadmaps and identify changes needed to support future scale and product requirements

Qualifications:

• Bachelor’s degree or equivalent years of e

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