{"id":4307465,"url":"https://alion.io/job/cambridge-mobile-telematics-principal-software-engineer-i-cloud-3","title":"Principal Software Engineer I, Cloud","company":{"id":5662,"name":"Cambridge Mobile Telematics","domain":"cmtelematics.com","url":"https://alion.io/company/cambridge-mobile-telematics","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":84,"open_postings":9,"ghost_share":0,"stale_share":0.444,"repost_share":0,"time_to_fill_p50_days":68,"computed_at":"2026-11-14T05:58:10Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Chennai, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"C++","optional":false},{"name":"CI/CD","optional":false},{"name":"Go","optional":false},{"name":"Java","optional":false},{"name":"Python","optional":false},{"name":"Amazon ECS","optional":true},{"name":"Docker","optional":true},{"name":"Kubernetes","optional":true},{"name":"Machine Learning","optional":true},{"name":"Terraform","optional":true}],"status":"closed","first_seen_at":"2026-11-14T08:54:19Z","employer_posted_date":null,"last_verified_at":"2026-11-14T13:07:54Z","board_verified":false,"closed_at":"2026-11-14T13:07:54Z","days_open":0,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":0},"description":"CMT is seeking a collaborative, 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.\n\nResponsibilities:\nLead the design and implementation of scalable, reliable backend services and APIs\nUse independent judgment to solve complex technical problems and make sound architectural decisions\nProvide technical direction for projects that span multiple services or teams\nWork with product managers, engineers, data teams, and other stakeholders to balance technical needs with customer and business requirements\nDesign systems that balance reliability, performance, scalability, security, operability, and cost\nIdentify and address performance bottlenecks, reliability issues, and recurring production problems\nLead design and code reviews for complex changes and help maintain a high bar for engineering quality\nImprove engineering practices around testing, deployment, observability, and operational readiness\nTroubleshoot complex production issues and provide technical leadership during critical incidents when required\nMentor engineers through design discussions, reviews, and day-to-day technical guidance\nContribute to technical roadmaps and identify changes needed to support future scale and product requirements\n\nQualifications:\nBachelor's degree or equivalent years of experience and/or certification in Computer Science, Engineering, or a related technical field\n7+ years of relevant professional software engineering experience\nStrong experience designing and building backend services, APIs, and distributed systems\nProficiency in at least one backend programming language such as Python, Go, Java, or C++\nStrong understanding of relational databases, data modeling, schema design, and performance optimization\nExperience with cloud platforms such as AWS and services across compute, storage, databases, messaging, and serverless technologies\nExperience with automated testing, CI/CD, code reviews, and operating production systems\nExperience diagnosing complex production issues using logs, metrics, traces, and other observability tools\nExperience using AI-assisted development tools in day-to-day software engineering workflows\nDemonstrated ability to work independently on complex problems and influence technical decisions across teams\nStrong communication and collaboration skills\n\nNice to Haves:\nExperience building and operating high-throughput or large-scale backend systems\nExperience with event-driven architectures, message queues, or streaming systems\nHands-on experience with Docker and container orchestration platforms such as ECS or Kubernetes\nExperience with infrastructure-as-code tools such as Terraform or Terragrunt\nExperience defining and operating service-level metrics, monitors, alerts, and SLOs\nKnowledge of application and API security, authentication, authorization, and secure service design\nExperience with data pipelines or backend systems that support analytics, machine learning, or large-scale data processing\nSkills\nAPI, AWS, Backend, C++, Distributed Systems, Go, Java, Kubernetes, Python, Terraform","description_format":"text","description_chars":3733,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Fleet 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