Software Dev Engineer, II - User Data Platform

Yahoo serves as a trusted guide for hundreds of millions of people globally, helping them achieve their goals online through our portfolio of iconic products. For advertisers, Yahoo Advertising offers omnichannel solutions and powerful data to engage with our brands and deliver results.

It takes powerful technology to connect our brands and partners with an audience of nearly 900 million. Whether you're developing robust APIs, designing efficient microservices, or implementing scalable backend systems, what you do here will have a meaningful impact on our business—and the world. Want in?

A Little About Us:

The Yahoo! Consumer Data Team is developing a unified, cloud-native platform for all Yahoo user data. We simplify how teams access and utilize Yahoo first-party and third-party data while strengthening compliance. Our work empowers business units to enhance experimentation, monetization, marketing, and personalization with greater efficiency and reduced risk.

A Little About You:

The ideal candidate will have solid experience in backend engineering with a focus on developing and maintaining scalable services. They should be passionate about building high-quality solutions to drive business outcomes and possess good collaboration skills to work effectively across teams.

As part of our Audience Platform, you'll play a key role in helping Yahoo leverage first-party and third-party data to build comprehensive audience solutions essential for experimentation, monetization, marketing, and personalization. This large-scale initiative offers you the chance to tackle significant technical challenges while making impactful contributions to how we responsibly utilize data assets across our ecosystem.

Responsibilities:

• API Development: Implement robust and well-designed APIs that serve our web and mobile applications

• Service Implementation: Build and maintain backend microservices that power key product features and functionality

• Code Quality: Write clean, maintainable, and well-tested code that meets our quality standards and best practices

• System Reliability: Contribute to the design and implementation of resilient systems with appropriate error handling and fault tolerance

• Performance Optimization: Identify and implement improvements to enhance system efficiency and responsiveness

• Cross-team Collaboration: Work with product managers and other engineers to understand requirements and implement technical solutions

• Production Support: Troubleshoot and resolve issues in production environments, participating in on-call rotations as needed

• Technical Documentation: Create clear documentation for services, APIs, and integrations to support knowledge-sharing

• Code Reviews: Participate in code reviews, providing constructive feedback to peers and incorporating feedback on your work

• Continuous Learning: Stay current with relevant technologies and best practices, applying new knowledge to improve our systems

Requirements:

• 2-4 years of software engineering experience, with focus on backend development

• Experience building and maintaining RESTful APIs and microservices

• Familiarity with containerization (Docker) and orchestration (Kubernetes) is preferred

• Understanding of distributed systems concepts and patterns

• Solid fundamentals: algorithms, data structures, databases

• Proficiency in at least one backend programming language such as Java, Python, Go, or Node.js

• Good knowledge of SQL and experience with relational databases

• Familiarity with NoSQL solutions (MongoDB, Cassandra, Redis) is a plus

• Experience with messaging systems (Kafka, RabbitMQ) is a plus

• Proficiency with version control systems (Git) and CI/CD pipelines

The material job duties and responsibilities of this role include those listed above, as well as adhering to company policies, exercising sound judgment, working effectively, safely, and inclusively with others, exhibiting trustworthiness, and meeting expectations. Additionally, it involves safeguarding business operations and brand integrity.

At our company, we offer flexible hybrid work options that our employees love! While most roles don't require regular office at