Sr Software Systems Engineer, Yahoo Search

Yahoo is a global company that helps people achieve their online goals through a portfolio of products. They are seeking a Sr Software Systems Engineer to architect and implement scalable systems for next-generation Search, integrating AI technologies and collaborating with cross-functional teams to enhance product features.

Responsibilities:

• Architect, design, and implement highly scalable, reliable, and performant distributed systems and infrastructure for next-generation Search
• Integrate AI-assisted development tools (e.g., GitHub Copilot, Cursor) into the software lifecycle to accelerate feature delivery and ensure code quality through automated oversight
• Lead and contribute to the architecture of core platform components, ensuring high quality, maintainability, and extensibility while identifying opportunities for AI-driven automation in manual workflows
• Collaborate with cross-functional teams, including product managers and designers, to define requirements and deliver features, using AI tools to rapidly prototype and validate technical directions
• Drive the adoption of best practices for software development, including AI-augmented testing strategies, structured code reviews, and automated CI/CD pipelines
• Troubleshoot and debug complex issues across distributed systems, leveraging AI diagnostics and log analysis to identify root causes and implement durable solutions
• Evaluate emerging technologies and proactively suggest AI-driven improvements to platform scalability and reliability

Requirements:

• BS in Computer Science or equivalent professional experience
• 5+ years of industry experience working with large-scale distributed systems
• 7+ years of professional software development experience in one or more general-purpose programming languages (Java, Go, Python, Ruby, C++, etc.)
• Strong experience with full-stack JavaScript development (Node, Express, Next.js)
• Proficiency in prompt engineering and structured interaction with AI models to assist in system design, documentation, and code generation
• Strong experience with GraphQL, REST, HTTP, and the ability to design and implement maintainable APIs
• Database experience with PostgreSQL, SQL Server, or similar database technologies
• Solid understanding of operating systems, networking, and performance optimization
• Commitment to staying current on emerging AI tools and a mindset focused on augmenting human oversight with automated validation
• Experience with mobile and frontend web development
• Experience with SCRUM or similar agile development methodologies
• Demonstrated experience in validating and refining AI-generated code to detect errors or hallucinations in complex system architectures
• Experience with cloud platforms (e.g., AWS, GCP, Azure) and containerization (Docker, Kubernetes)