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Principal Software Engineer, Yahoo Mail

United States of America💼 Full-time💰 $143,625–$143,625🗓 2026-06-17 → 2026-08-01

Core

Architecting and scaling high-concurrency backend systems for Yahoo Mail's API, metadata, and elastic storage to serve hundreds of millions of users.

Role type

Principal Software Engineer (Backend Systems)

Builds

High-throughput web services, low-latency metadata systems, and elastic storage solutions for Yahoo Mail

Domain

Consumer Internet / Distributed Systems / Backend Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Java, C++, Unix/Linux systems, high-concurrency backend development, computer science fundamentals (data structures, multi-threading, memory management), search algorithms, Relational and NoSQL database design, HTTP and TCP/IP protocols, AI-assisted coding tools (CodeWhisperer, Amazon Q)

Preferred skills

Distributed mail application design, secure LLM endpoints (AWS Bedrock, SageMaker), CI/CD pipelines, containerization (Docker, Kubernetes), GCP or AWS cloud architectures

Technologies

Java, C++, Unix/Linux, AWS, GCP, Docker, Kubernetes, CodeWhisperer, Amazon Q, AWS Bedrock, SageMaker

Responsibilities

Architect scalable backend systems, drive unified architectural standards, implement AI-driven engineering efficiencies, validate AI-generated code, mentor senior engineers, collaborate with cross-functional teams, diagnose and resolve complex system anomalies

Seniority

Principal, technical leadership & strategy

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