[Remote] Principal Software Engineer, Yahoo Mail

Note: The job is a remote job and is open to candidates in USA. Yahoo is a company that creates inspiring and entertaining daily habits for its users through personalized experiences. They are seeking a Principal Software Engineer to lead the development of high-performing backend systems for Yahoo Mail, focusing on AI-driven efficiencies and collaboration with cross-functional teams.ResponsibilitiesArchitect, design, and guide the development of high-performing, scalable, and highly available backend systems for Yahoo Mail using Java and C++ on Unix/Linux platformsDrive technical strategy and establish unified architectural standards across multiple engineering squads for mail APIs, low-latency metadata systems, and elastic storage solutionsIdentify and implement AI-driven efficiencies in backend engineering, leveraging approved AI-assisted tools (e.g., CodeWhisperer Professional / Amazon Q Developer) to replace manual, repetitive coding and unit testing tasks with optimized workflowsAct as a technical validator, establishing the standards for reviewing, refining, and testing AI-generated architectural proposals and code outputs to ensure strict security, performance, and style complianceMentor senior engineering staff, conducting rigorous design and system reviews while fostering a culture of continuous learning, technical curiosity, and experimentationCollaborate actively with cross-functional stakeholders—including Product Management, Design, Security, and Cloud Infrastructure teams—to translate product visions into scalable technical architecturesDiagnose and resolve complex, multifaceted system anomalies, establishing automated logging, telemetry, and debugging workflows to ensure world-class platform reliabilitySkillsBS in Computer Science (or equivalent practical experience) with a minimum of 8 years of professional software engineering experienceSpecialized expertise in high-concurrency backend development using Java, C++, and Unix/Linux systemsDeep conceptual and practical understanding of computer science fundamentals (data structures, multi-threading, memory management, and advanced algorithms)Solid experience with search algorithms, as well as the design and query optimization of both Relational and NoSQL database architecturesDemonstrated experience utilizing developer-facing AI productivity tools (such as CodeWhisperer or Copilot) to accelerate code output, optimize design patterns, and streamline testingStrong understanding of HTTP and TCP/IP protocols, with experience troubleshooting network-level performance and latency constraintsProven track record of technically leading complex engineering initiatives with minimal guidance and guiding teams through ambiguous technical challengesStrong written and verbal communication skills, with an ability to articulate complex technical ideas to both technical and non-technical stakeholdersExperience designing, deploying, and operating highly distributed, large-scale mail applications and standard communication protocolsFamiliarity with leveraging secure LLM endpoints and frameworks (e.g., AWS Bedrock / SageMaker) for metadata tagging, intelligent search, or backend telemetry analysisComprehensive experience with continuous integration and continuous deployment (CI/CD) pipelines, containerization (Docker, Kubernetes), and modern test automation frameworksDeep practical experience with GCP or AWS cloud architectures, particularly in managing hybrid cloud migrations and optimizing cloud resource efficiencyCommitment to agile engineering practices (such as SCRUM or Kanban), actively driving workflow improvements and retrospective alignmentBenefitsThe compensation package may also include incentive compensation opportunities in the form of discretionary annual bonus or commissions.Our comprehensive benefits include healthcare, a great 401k, backup childcare, education stipends and much (much) more.Flexible hybrid work options11 employee resource groups (ERGs) enhance a culture of belonging with programs, events and fellowship that help educate, support and create a workplace where all feel welcome.Company OverviewYahoo is a technology and media company that serves users through its portfolio of digital platforms, products, and services. It is a sub-organization of Verizon Media. It was founded in 1994, and is headquartered in Sunnyvale, California, USA, with a workforce of 5001-10000 employees. Its website is http://www.yahoo.com.Company H1B SponsorshipYahoo has a track record of offering H1B sponsorships, with 197 in 2023, 646 in 2022, 381 in 2021, 463 in 2020. Please note that this does not guarantee sponsorship for this specific role.