Yahoo is looking for a Senior Software Engineer - Developer Experience & Tools to enable the Mail engineering organization with AI-powered tools, frameworks, and services. The ideal candidate will have a strong focus on next-generation AI-powered development and be comfortable with AI-augmented coding. They will be part of the Yahoo Mail group, driving key product lines.

Company: Yahoo

Role: Senior Software Engineer - Developer Experience & Tools

Location: United States of America, Full time

Experience:

6+ years of professional software development experience
Hands-on experience integrating AI coding assistants, code generation tools, or specialized LLM agents into active development pipelines
Experience building robust internal tools for engineering organizations, including scalable backend microservices, unified CLIs, and intuitive web interfaces

Key Skills:

AI-augmented coding
AI tools (e.g. Claude, Cursor, Vertex AI)
Automated testing
CI/CD systems
Cloud platforms
Generative developer tooling
Java
Python
Golang
Modular software design
Data structures
Algorithms

Qualification:

BS in Computer Science (or equivalent)

Role Focus:

Architect, build, and optimize developer productivity tools
Identify and implement AI-driven efficiencies in the developer inner-loop
Establish automated review systems and validation frameworks
Define, track, and analyze key developer experience (DevEx) metrics
Take independent ownership of major phases of the SDLC and platform environments
Collaborate with engineering leads and cross-functional teams to design, prototype, and implement solutions

Nice to have:

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)

Other:

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
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

Senior Software Engineer - Developer Experience & Tools

Skills Required

Description