Senior Software Engineer - Developer Experience & Tools

About the role

Yahoo Mail is the ultimate consumer inbox with hundreds of millions of users. It’s the best way to access your email and stay organized from a computer, phone, or tablet. With its beautiful design and lightning-fast speed, Yahoo Mail makes reading, organizing, and sending emails easier than ever.

This role is within the Yahoo Mail group, which includes its flagship product, Yahoo Mail. You will be starting on offense; the product line (4.5+ star apps & responsive web experiences), business, and tech (modern front-end stacks with significant backend re-architecture just beginning) provide a healthy start, with lots of upside to realize. You will enable the Mail engineering organization with AI-powered tools, frameworks, and services that enhance developer effectiveness, quality, and velocity across web, mobile, backend, and generative interfaces. You will enable a high-performance SDLC, empowering engineers to build high-quality products at scale.

About Yahoo

Yahoo, with a strong foundation of 900 million users monthly, is in the midst of a renaissance; backed by substantial investment to drive meaningful, long-term growth, led by great products. Yahoo is composed of organizations, each led by a GM, driving key product lines.

Responsibilities

• Architect, build, and optimize developer productivity tools leveraging multiple AI tools (e.g. Claude, Cursor, Vertex AI) to provide contextual code suggestions, automated testing, and smart documentation.
• Identify and implement AI-driven efficiencies in the developer inner-loop, transitioning manual SDLC processes into intelligent, agentic workflows.
• Establish automated review systems and validation frameworks to verify, clean, and monitor the quality of AI-generated software architectures and outputs.
• Define, track, and analyze key developer experience (DevEx) metrics to isolate friction points and systematically improve engineering velocity.
• Take independent ownership of major phases of the SDLC and platform environments, directly impacting the day-to-day workflow of hundreds of Yahoo Mail engineers.
• Collaborate with engineering leads and cross-functional teams to design, prototype, and implement elegant solutions for complex developer pain points.
• Solve complex and multifaceted software problems with guidance only in highly complex, ambiguous situations.
• Act as a technical role model and mentor for peers, executing high-quality code reviews and promoting platform engineering best practices.
• Lead design discussions, share systemic engineering insights, and build a culture of continuous learning and AI-assisted innovation.

Requirements

• BS in Computer Science (or equivalent) with 6+ years of professional software development experience.
• Strong core computer science fundamentals, including advanced competencies in data structures, algorithms, and modular software design.
• Proficiency in at least one modern programming language such as Java, Python, or Golang.
• Hands-on experience integrating AI coding assistants, code generation tools, or specialized LLM agents into active development pipelines to accelerate debugging, architectural design, and code refactoring.
• Experience building robust internal tools for engineering organizations, including scalable backend microservices, unified CLIs, and intuitive web interfaces.
• Deep understanding of modern software development practices, design patterns, continuous integration (CI), and deployment architecture.
• Excellent communication and collaboration skills, with a proven ability to lead small project teams or distinct workstreams across geographically distributed teams.
• Strong technical empathy for developers and a commitment to eliminating roadblocks, delays, and friction in the software development lifecycle.

Qualifications

• Experience deploying, fine-tuning, or engineering structured prompts for foundation models within enterprise cloud environments like Google Vertex AI.
• Experience with CI/CD tools and systems tools such as GitHub Actions, ArgoCD, or Jenkins.
• Solid experience managing large-scale cloud infrastructure using Infrastructure-as-Code (IaC), with a focus on GCP.
• Strong familiarity with Unix/Linux development and deployment environments.
• Practical understanding of platform engineering principles, developer portals, and Agile development methodologies (Scrum/Kanban).

Benefits

• Comprehensive healthcare benefits.
• 401k plan.
• Backup childcare.
• Education stipends.
• Discretionary annual bonus or commissions.
• Flexible hybrid work options.

Pay

The compensation for this position ranges from $128,250.00 to $266,875.00 per year and will vary depending on factors such as your location, skills, and experience.

Currently work for Yahoo? Please apply on our internal career site.