Sr Software Engineer
Cox AutomotiveResponsibilities
- Lead architectural and technical design decisions for features, services, and platforms.
- Decompose epics and features into implementation plans and identify technical risks, dependencies, and trade-offs.
- Design, develop, test, and deploy full-stack web, mobile, cross-platform, and backend applications.
- Build scalable APIs and event-driven, serverless-first architectures on AWS.
- Implement infrastructure as code, deployment strategies, observability, monitoring, and automated testing.
- Prototype product concepts with Claude, Amazon Bedrock, and other LLM or GenAI platforms.
- Evaluate AI-generated outputs for correctness, security, and production readiness.
- Serve as the technical anchor for a small engineering team, coaching engineers and driving accountability.
- Mentor junior and mid-level engineers on design, cloud practices, and AI tool usage.
- Participate in rotational on-call duties outside standard business hours when required.
Requirements
- 6+ years of professional software engineering experience.
- Full-stack fluency across React and TypeScript, Flutter and Dart, and Python or Node.js.
- At least 2 years of hands-on AWS serverless experience with Lambda, DynamoDB, API Gateway, SQS or SNS, and EventBridge.
- Experience with CI/CD, infrastructure as code, and serverless deployment patterns.
- Professional experience rapidly prototyping with AI or GenAI tools.
- Experience leading technical initiatives and mentoring small engineering teams.
- Understanding of prompt engineering, context management, and AI tool limitations.
- Bachelor’s degree and 4 years of related experience, or alternative combinations including a master’s degree with 2 years, a Ph.D. with up to 1 year, or 16 years of related experience.
- Preferred experience with Amazon Bedrock, Claude API, other LLM integrations, agentic AI workflows, or multi-agent systems.
- Familiarity with AWS CDK or SAM and an AWS certification such as Solutions Architect or Developer.
Tech Stack
Categories
About Cox Automotive
Cox Automotive is the world’s largest automotive services and technology provider. Fueled by the largest breadth of first- and third-party data fed by 2.3 billion online interactions a year, Cox Automotive tailors leading solutions for car shoppers, auto manufacturers, dealers, lenders and fleets. The company has 29,000+ employees on four continents and a portfolio of industry-leading brands that include Autotrader®, Kelley Blue Book®, Manheim®, vAuto®, Dealertrack®, NextGear Capital™, CentralDispatch® and Cox Fleet®. Cox Automotive is a subsidiary of Cox Enterprises Inc., a privately owned, Atlanta-based company with $23 billion in annual revenue. Cox Automotive has been included on Glassdoor’s Best Companies in Tech & AI 2026 and Best Place to Work in 2026 lists.