Software Development Engineer - Fullstack

Zillow is a real estate technology company that helps people navigate buying, selling, financing, and renting. The Software Development Engineer - Fullstack designs, builds, and maintains end-to-end web applications across front-end and back-end systems, while collaborating with cross-functional teams to deliver scalable and reliable solutions. The role also involves testing, production support, technical design, and mentoring peers.

Responsibilities:

• Design, develop, and maintain full stack features and services, implementing user interfaces and APIs that are performant, secure, and easy to operate in production
• Collaborate with product, design, data, and peer engineering teams to refine requirements, break down work, and deliver iterative improvements that enhance customer and business outcomes
• Write clean, testable, and maintainable code; create and maintain automated tests; and participate in code reviews to uphold engineering standards and best practices
• Monitor, troubleshoot, and optimize applications and services in production, using logs, metrics, and alerts to improve reliability, performance, and developer experience
• Contribute to technical design discussions, documentation, and implementation plans for moderately complex features and systems, providing options and trade‑off analysis
• Mentor and support peers through pairing, knowledge sharing, and constructive feedback, helping to elevate team capabilities and inclusive engineering culture

Requirements:

• Bachelor's degree in Computer Science, Computer Engineering, or a related field
• 5+ years of professional experience in software engineering building and supporting web applications or services
• Experience working across both front‑end and back‑end components using modern web technologies (for example, JavaScript/TypeScript frameworks plus at least one server‑side language or framework)
• Experience contributing to the full software development lifecycle, including design, implementation, testing, deployment, and production support in a collaborative team environment
• Understanding Gen AI capabilities - Building applications across NLP and computer vision
• Proficiency with LangChain or LLamaIndex - Building apps using LLM APIs
• Or an equivalent combination of education and experience