Principal Backend Architect, High-Scale Mail Backend

MaziCTools; United States; Remote; USD 160,000 - 230,000; Full time

Job summary

Yahoo Holdings Inc. is seeking a Principal Software Engineer for the Core Mail Backend in Champaign, Illinois.

This full-time role focuses on designing scalable backend components, APIs, and services critical to Yahoo Mail's performance and reliability. The ideal candidate brings 8+ years in backend design, strong Java or C++ expertise, and experience with distributed architectures, UNIX/Linux, and cloud/container technologies.

Qualifications

• 8+ years of professional backend experience.
• Proficiency in Java or C++ and strong CS fundamentals.
• Experience with large-scale distributed architecture and UNIX/Linux environments.

Responsibilities

• Design, implement, test, and debug components of a scalable distributed system for Yahoo Mail backend.
• Architect and ship mail-supporting features with focus on performance, reliability, and maintainability.
• Lead project teams with roadmaps, milestones, and deliverables; participate in code reviews and Agile practices.
• Drive continuous improvement and mentor teammates to foster engineering excellence.

Skills

Java

C++

Distributed systems

Unix/Linux

Leadership

Education

BS/MS/PhD in Computer Science or related field

Tools

Kubernetes

CI/CD pipelines

GCP

AWS

Docker

Job description

Yahoo Holdings Inc. is seeking a Principal Software Engineer for the Core Mail Backend in Champaign, Illinois.

This full-time role focuses on designing scalable backend components, APIs, and services critical to Yahoo Mail's performance and reliability. The ideal candidate brings 8+ years in backend design, strong Java or C++ expertise, and experience with distributed architectures, UNIX/Linux, and cloud/container technologies.