← all jobs

[Remote] Principal Software Engineer (hands-on)

Work from home Full-time role Hiring

Note: The job is a remote job and is open to candidates in USA. Cars Commerce is focused on simplifying car buying and selling through innovative technology. The Principal Software Engineer will lead the Platform Core Services team, overseeing high-concurrency engines and driving the transformation of the automotive commerce ecosystem.

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
  • Track record of evaluating emerging technologies (e.g., NewSQL, Edge Computing, or Agentic AI) and running proof-of-concepts
  • 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

  • Cars Commerce is an audience-driven technology company that simplifies buying and selling cars. It was founded in 1998, and is headquartered in Chicago, Illinois, USA, with a workforce of 1001-5000 employees. Its website is https://www.carscommerce.inc.
  • More open positions

    [Remote] Sr Lead Technical Program Manager

    Work from home Full-time role

    [Remote] UX Designer

    Work from home Full-time role

    [Remote] Senior Software Engineer

    Work from home Full-time role

    [Remote] Senior Subcontracts Analyst

    Work from home Full-time role

    [Remote] Regional Sales Manager, Care Solutions - Los Angeles, CA

    Work from home Full-time role

    Help Desk Agent (German Speaker)- Hospitality- Remote Role (m/f/d)

    Work from home Full-time role

    AI / Machine Learning Engineer

    Work from home Full-time role

    [Remote] Underwriting Consultant

    Work from home Full-time role

    Quality Assurance Engineer

    Work from home Full-time role

    Programmeur principal en épidémiologie, données du monde réel (RWE) – FSP, Senior Epidemiological Programmer, Real World Evidence - FSP

    Work from home Full-time role

    Medical Practice Assistant, Orthopedic Waltham

    Work from home Full-time role

    Marketing Technology Content Strategist (Hybrid)

    Work from home Full-time role

    Senior Data Analyst – Remote, Entry‑Level Friendly, Data Engineering & Business Intelligence for Healthcare Analytics at careerzynith – $75,000 Annual Salary

    Work from home Full-time role

    Online Medical Transcriptionist - Remote Healthcare Documentation

    Work from home Full-time role

    Pre-Licensed Remote Customer Service Representative – Insurance Licensing Program with Paid Training, Career Growth, and Comprehensive Benefits at careerzynith

    Work from home Full-time role

    Responsable Médical Régional Oncologie - Bretagne H/F

    Work from home Full-time role

    Senior Scientist - siRNA Off-Target Analysis

    Work from home Full-time role

    [FULL TIME Remote] Principal Cybersecurity Insider Threat Program

    Work from home Full-time role

    Cadence/Cheers Analyst (Call Center)

    Work from home Full-time role

    [Hiring] Government & Military Freight Forwarding Sales Executive @ATALNT LLC

    Work from home Full-time role

    Experienced Data Entry Specialist – Remote Opportunity at careerzynith

    Work from home Full-time role