It takes powerful technology to connect our brands and partners with an audience of hundreds of millions of people. Whether you’re looking to write mobile app code, engineer the servers behind our massive ad tech stacks, or develop algorithms to help us process trillions of data points a day, what you do here will have a huge impact on our business—and the world.

Justification

As a highly-qualified addition to the UDP (User Data Platforms) team, we need a developer with appropriate skill and experience to design, implement and support our current mission-critical set of products and services, the largest of which are UDB (User Database), Canonical Profile, and Member Profile in both Cloud and on-prem environments.

Job Description

Yahoo’s UDP (User Data Platforms) team owns several mission-critical products and services:

• UDB (User DataBase) is a world-wide distributed, high-performance, massively scalable, multi-master, eventually-consistent database holding user account information accessed via a RESTful interface and leveraging the next-generation Aerospike key-value store

• CP (Canonical Profile) is a RESTful service layered on top of the UDB that maps raw key-value pairs to carefully-schematized, well-documented attributes

• MP (Member Profile) is the next-generation offering, expanding CP’s storage and delivery of “declared” user data to the realm on “inferred” data for those same users

• Hadoop Grid-side services, allowing near-line processing of the contents of the three online products listed above.

As a UDP Senior Software Dev Engineer, you’ll:

• Work on cutting-edge systems that are critical to the success of the whole of Yahoo

• Sharpen and extend essential database skills as applied to world-wide distributed environments in a way that will visibly enhance your current knowledge, your position in the company, and your future career prospects anywhere

• Work with a top-flight DevOps team that uses the latest Agile techniques and tools, a major advantage in any environment requiring fast, frequent and flawless product releases

Responsibilities:

• Work collaboratively with architectural and technical leadership to design, implement, modify, test, debug and deploy large-scale, highly-available infrastructure platforms and network services that are the foundation of multiple Yahoo properties and applications

• Take on significant leadership roles in team projects and activities of moderate complexity

• Work independently with guidance only in more complex situations

• Help develop detailed technical designs for requirements and review them with technical staff

• Provide Java Class Diagrams, Web API Call Sequence Diagrams, and Network Design Diagrams

• Design & develop Database Schema and data migration tools

• Work with the team to achieve performance, reliability, availability, scalability and security for multiple projects conducted simultaneously

• Develop software applications using standard and proprietary technology stacks such as Git, Java, Undertow, Splunk, Athenz, TCP/IP, Google Cloud, and AWS Cloud. Develop Mock API request/response structures with the help of stubs / simulators

• Develop software applications having complex integration patterns with external vendors using dedicated TCP/IP secure tunnel connections and leveraging custom SDKs to communicate between internal and external partners

• Collaborate to help deliver architecture projects by designing end-to-end aspects, providing technical specifications, task breakdowns, and reporting progress to immediate leadership

• Interact regularly with key customers and leaders outside the UDP team, providing technical and/or planning consultation for them in their use of UDP services

• Develop software applications in a multi-cloud environment.  Use Amazon Cloud infrastructure such as AMI, Route 53, ECS, Fargate, RDS, LAMBDA, SQS, Cloudwatch, codeBuild and S3, along with required VPC configuration using CloudFormation, AWS IAM roles & Security Policies.  Use equivalent GCP (Google Cloud Platform) capabilities and technologies

• Review code submitted by other developers, helping to establish and enforce best coding practices and elevating code quality

• Work in a highly Agile DevOps