Sr. Platform Engineer
Cox AutomotiveResponsibilities
- Design and develop federated GraphQL and Apollo architecture, including schema design, subgraph integration, and supergraph evolution.
- Build and scale Apollo router infrastructure for multi-region deployments, routing, and failover.
- Implement CI/CD pipelines and governance workflows for safe schema evolution and prevention of breaking API changes.
- Develop multi-tenant routing and Apollo contracts for internal and external product use cases.
- Contribute to usage telemetry, billing data capture, and Snowflake integration.
- Partner with data, platform, and product teams to onboard subgraphs and improve discoverability.
- Lead technical design discussions and mentor junior engineers.
- Participate in rotational on-call duties outside standard business hours when required.
Requirements
- Bachelor’s degree in a related discipline and 4 years of experience in a related field, or an alternative combination including a master’s degree and 2 years of experience, a Ph.D. and up to 1 year of experience, or 16 years of related experience.
- Experience building distributed systems and APIs at scale.
- Proficiency in TypeScript, Java, or Python; Apollo Server, Strawberry, or similar frameworks are preferred.
- Hands-on experience with AWS, ECS/Kubernetes, DNS routing, and CI/CD pipelines.
- Strong understanding of API design principles and governance.
- Preferred experience with GraphQL and Apollo Federation, API gateway or routing layers such as Kong, observability, telemetry, data pipelines, S3, Snowflake, multi-region architecture, high-availability systems, and platform or shared-infrastructure teams.
- Must currently be authorized to work in the United States for any employer without current or future sponsorship; OPT, CPT, STEM/OPT, and visa sponsorship are not accepted.
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.