Note: The job is a remote job and is open to candidates in USA. Cars Commerce is a company dedicated to simplifying the car buying and selling process through innovative technology solutions. They are seeking a Principal Software Engineer to lead the Platform Core Services team, focusing on high-concurrency engines and the overall architectural strategy of their services.
Responsibilities
- Architectural Stewardship: Define the evolution of our services to support sub-second latency and massive concurrency. You will bridge the gap between heavy-lift backend systems and modern, intuitive UI products
- AI Orchestration: Redefine the SDLC by integrating LLM-based orchestration into the development workflow, significantly increasing the organization’s velocity
- Influence via Data: Lead the RFC process by driving consensus across engineering and product boundaries. You don't rely on 'title power'—you use data, benchmarks, and clear trade-off analysis to align stakeholders
- Operational Excellence at Scale: Own the 'Four Nines' (99.99%) for services handling tens of thousands of requests per second. You will treat observability and developer experience as first-class products
- Force Multiplier: Act as a sponsor for Staff and Senior engineers. You are responsible for raising the technical 'ceiling' of the entire engineering organization
Skills
- Bachelor's degree or higher in Computer Science or equivalent industry experience
- 12+ years of software engineering excellence, including significant time at the Staff or Principal level
- Deep expertise in designing high-concurrency distributed systems
- Comfortable navigating complex data-consistency models, event-driven architectures (Kafka/MSK), and optimizing for sub-second latency
- Architect extensible frontend platforms
- Design robust State Management strategies
- Implement complex RBAC across the stack
- Ensure UI performance through efficient data-fetching patterns
- Expert in TypeScript/Node.js, but language-agnostic
- Proven ability to drive consensus in complex environments by using data—not just opinion—to influence stakeholders and align engineering roadmaps with C-suite objectives
- Track record of evaluating emerging technologies (e.g., NewSQL, Edge Computing, or Agentic AI) and running proof-of-concepts that modernize the tech stack without disrupting production stability
- Experience within a large-scale, 'Big Tech,' or high-growth environment or FAANG, Uber, Stripe etc
Benefits
- Medical, Dental & Vision Healthcare Plans
- New Hire Stipend for Home Office Set-Up
- Generous PTO
- Paid Holidays, Floating Holiday, Volunteer Day, Recharge Day
Company Overview