Sr. Fullstack Engineer - Messaging 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 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. Want in?

The Messaging Platforms team is responsible for building and maintaining the platforms, services, and pipelines which enable Yahoo to target the right user with the right notification at the right time. We send billions of push notifications a day through our platform Rivendell. Our data pipelines enable the delivery of large scale newsletters. We leverage cutting edge technologies to deliver highly impactful projects enabling Yahoo to compete on a global scale.

Responsibilities:

This job will focus on backend, but there will be periods where we need to enhance our 2 user-facing applications written in React and Angular. You will also work on their Python and Java backends as well as our core platforms which are mainly written in Java. You will be a team leader, looking to ensure best practices are followed and ensuring junior developers thrive through a combination of code reviews and direct feedback. You will look to expand the platform by understanding business objectives and requirements. 

You are a self-driven and motivated individual that wants to make an impact. You are a free thinker, have a hunger to learn, willing to try out new tools and technologies and willing to look for the best and most practical solution to any given problem (rather than the quickest or easiest). You take on challenges head on and work well under pressure. No task is too big or small for you and you treat everything with equal merit. You are a good team player and thrive as part of a team of equally talented and motivated individuals. You are a strong communicator.

What You'll Be Doing:

• Work on development initiatives as part of a scrum team on sprint cycles.

• Closely interact with our stakeholders (Product Owners/Managers, Business Analysts, others) for clarity on sprint items and for verification of developed solutions.

• Participate in team activities such as sprint grooming sessions, project or product discussions, brown bags as well as the occasional team outing.

• Follow appropriate coding standards and best practices as applicable.

• Document your work well.

• Participate in code reviews for your peers.

• Collaborate with your peers to find solutions to complex problems. Share knowledge with your peers and also learn from them as required.

• Work on operational and production support for the applications we build and maintain.

• Work towards quarterly team and organizational goals that should be result oriented and measurable.

• Leverage AI-assisted tools and workflows to support problem-solving, accelerate development, and improve efficiency across the engineering lifecycle.

• Explore and experiment with AI-driven approaches (e.g., code generation, debugging support, and workflow automation) to continuously improve developer productivity and system performance.

Required:

• 6+ years of experience in Software Engineering

• Bachelor's or Master's degree in Computer Science or a related field

• Proficiency in web and UI design, including experience with React or Angular

• Thorough understanding of object-oriented programming and modern Java practices

• Extensive experience with both relational and non-relational databases

• Strong analytical, problem-solving, and debugging skills

Preferred:

• Expertise in building React front-ends that interact with Spring Boot APIs via REST and GraphQL

• Experience with Python or a willingness to learn

• Familiarity with Cloud Providers (AWS, GCP)

• Experience utilizing AI Agents for code development

• Experience building and debugging Multi Threaded Java applications

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. Your recruiter will let you know if a specific job requires regular attendance at a Yahoo office or facility. If you have any questions about how this applies to the role, just ask the recruiter!

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. Yahoo will consider for employment qualified applicants with criminal histories in a manner consistent with applicable law. Yahoo is dedicated to providing an accessible environment for all candidates during the application process and for employees during their employment. If you need accessibility assistance and/or a reasonable accommodation due to a disability, please submit a request via the Accommodation Request Form (www.yahooinc.com/careers/contact-us.html) or call +1.866.772.3182. Requests and calls received for non-disability related issues, such as following up on an application, will not receive a response.

We believe that a diverse and inclusive workplace strengthens Yahoo and deepens our relationships. When you support everyone to be their best selves, they spark discovery, innovation and creativity. Among other efforts, our 11 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.

The compensation for this position ranges from $128,250.00 - $266,875.00/yr and will vary depending on factors such as your location, skills and experience.The 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.

Currently work for Yahoo? Please apply on our internal career site.