Senior Software Engineer in Core Mail Backend

Senior Software Engineer in Core Mail Backend (Finance) 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. About Core Mail We build, enhance, and maintain one of the highest scaling email platforms on the planet. We are the first component in the mail back end, a middle tier, that contains the APIs and business logic through which virtually all mail operations flow. We implement REST APIs for our world-class mail clients (mobile, web, Yahoo, AOL, etc), standards-based protocols (IMAP, POP, etc) for generic mail clients, and industry leading back-end mail synchronization. We own the data platform in metadata, storage, and indexing. And we build even more supporting systems that are part of or support our array of serving and data components. This is a business critical & central platform to serve all Mail users at the center of Yahoo's core user base & revenue. Come join this amazing team of engineers to have a more direct impact on serving users and data at uniquely high scale, work on the next generation tech stack, and support innovative product experiences to grow users. A Lot About You We are looking for smart people, with strong CS fundamentals, that collaborate well, learn quickly, and value high quality code. The most successful engineers own and drive their tasks to completion, collaborate well to achieve their goal, can think through scenarios and edge cases, learn from our leadership, and understand the broader impact. If you are excited about the whole life-cycle of a product - designing, coding, testing, reviewing, launching, and troubleshooting, this is the place to be. You will learn and gain hands-on experience while engaged in projects with significant impact on the success of Yahoo. Your Day Design, implement, test, and debug our continually evolving tech stack to scale & sustain a large scale distributed system. Design, implement, test, and debug features in mail supporting client features on a large scale distributed system; revise and refine as required. Request and participate in code reviews. Participate in agile development with weekly sprints, planning & estimating work, daily standup, & retrospectives. Learn from a multitude of sources, including on the job project experience, reviewing code from others, team education sessions, collaborating with peers, frequently soliciting advice & shoulder reviews from leaders & architects, as well as online or class-based learning. Take initiative to identify, solve, and pursue problems you discover to full completion. Contribute to best practices and work culture of our team. Promote and solicit ideas within project teams. You Must Have BS, MS, or PhD in Computer Science or related field with a strong record of academic achievement. Programming proficiency in a high level language (preferably Java or C++). Proficient in Computer Science fundamentals, including data structures, algorithms, OS and networking. 4+ Years Experience Proficient in software engineering processes & tools for coding, testing, and debugging. Significant professional experience in software development of backend systems. Experience with object-oriented programming concepts, large-scale software architecture, networking and distributed systems, and UNIX/Linux environments. Experience designing and developing high performing complex server applications. Proven track record of technical leadership, including responsibility for design or architecture. Great communication and collaborate well with a team and incorporate feedback from leaders. Enjoy helping people, remain friendly and constructive under stress. Ideal Candidate Large scale distributed systems (in requests, users, compute, & data) Public cloud infrastructure (GCP, AWS, etc), design, provisioning, & deployments Web-scale in user base, traffic, and data Focus on backend REST APIs & business logic Asynchronous implementations (especially with HTTP clients & worker models) Multi-threaded programming and/or understanding contention issues Java development emphasis Containerization (Kubernetes), Build, Pipelines, & Deployment (CI/CD) SSL Certificates, authorization tokens, and debugging access issues Experience in Any of the Following is a Plus Large scale distributed systems Public cloud infrastructure (GCP, AWS, etc) Web-scale / large-scale data and request traffic Web-scale / large user bases Backend REST API (Jersey, Servlets 3.0) Asynchronous implementations (especially with HTTP clients & worker models) Multi-threaded programming and/or understanding contention issues Non-blocking I/O (NIO) Java development JVM internals and its performance tuning SSL Certificates, authorization tokens, and debugging access issues Network infrastructure and provisioning of resources Containerization (Kubernetes), Build, Pipelines, & Deployment (CI/CD) Integration test & unit test (with mocks) Developing on Unix platform Internships at tech companies The material job duties and responsibilities of this role include those listed above as well as adhering to Yahoo policies; exercising sound judgment; working effectively, safely and inclusively with others; exhibiting trustworthiness and meeting expectations; and safeguarding business operations and brand integrity. At Yahoo, we offer flexible hybrid work options that our employees love! While most roles don't require regular office attendance, you may occasionally be asked to attend in-person events or team sessions. You'll always get notice to make arrangements. Yahoo is proud to be an equal opportunity workplace. All qualified applicants will receive consideration for employment without regard to, and will not be discriminated against based on age, race, gender, color, religion, national origin, sexual orientation, gender identity, veteran status, disability or any other protected category. #J-18808-Ljbffr

Created: 2025-03-05