Frontend Software Engineer (Js, CSS)
Sundayy
See how well this job matches your profile
Sign up to get an AI match score and generate a tailored application in seconds.
Get your match scoreTags
About the role
Role Overview
Lead Software Engineer (Marketplace Engineering) on a team building and enhancing the core platform for automotive purchasing at large scale. The role focuses on revitalizing customer-facing tooling, defining technical strategies, and leading cross-functional delivery across web and mobile.
Responsibilities
- Champion engineering best practices across software design, operational maturity, and quality assurance
- Lead and mentor development teams; foster continuous improvement and technical excellence
- Collaborate with platform/feature/mobile teams to determine technical needs and constraints
- Guide server-driven UI architecture work, including flexible search interfaces
- Drive integration of agentic AI technologies to improve personalization and recommendations
- Define operational metrics, alerting, and runbooks to ensure reliability
- Participate in release planning; automate deployments and mitigate deployment risks
- Align engineering efforts with business objectives through strong cross-functional partnerships
- Identify and resolve technical blockers; escalate issues when needed
- Contribute to scalable backend systems supporting high-performance web and mobile experiences
Requirements
- 8+ years of software engineering experience
- Strong frontend skills: JavaScript, TypeScript, Web Components, and React/Vue/Svelte
- Solid browser fundamentals: HTML, CSS, DOM, plus performance optimization
- Experience using browser developer tools for layout, tracing, and performance profiling
- Strong understanding of backend architectures and architectural patterns
- Proven leadership in cross-functional initiatives and mentoring
- Experience with component-based design systems, theming, responsiveness, and accessibility
- Passion for UX, developer ergonomics, and performance metrics (e.g., Core Web Vitals)
- Excellent communication skills
- Ability to operate with high autonomy and influence technical strategy across teams
Nice to Have / Tools Mentioned
- CI/CD and deployment tooling such as CircleCI, Docker, Amazon EKS, and Terraform
About Sundayy
Cars Commerce is a technology company in the automotive industry, building platforms that help dealerships, manufacturers, and consumers buy and sell cars. Its portfolio includes Cars.com and other dealership-focused solutions, aiming to deliver seamless, transparent, and engaging user experiences through scalable web and mobile technology.
Scraped 4/28/2026