Software Dev Engineer I

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.

Yahoo Dublin: DSP Backend/Java Software Engineer


Job Description

A Little About Yahoo

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?

A Little About The Role

The Demand Engineering group is responsible for providing advertising platform solutions for clients around the world. Our team designs and supports many of the systems, tools, and processes that allow for the execution of online advertising campaigns in an omnichannel environment.

As part of growing our group we are looking to hire a group of stellar individuals who are keen to further their journey in the software engineering world. Our software processes over half a trillion requests every day. 

The role will also require working on processes, simplifying systems, and reducing complexity of the many backend systems across our platform in order to deliver best in class customer experiences. 

A Lot About You

You are a passionate, highly motivated API/backend software engineer who wants to work in a high visibility role and directly impact the productivity of all of our demand engineering platforms. You like to use your engineering skills to produce practical solutions to solve pressing business problems which give our customers a competitive advantage and deliver value to both our customers and the company.

What You’ll Be Doing

As an API/backend software engineer you will be working with product managers and other software engineers in agile teams to create our next-generation APIs and backend platforms by implementing business-critical features and setting standards that will help define the future products.

You will help us solving interesting challenges such as:

• Performance optimisation of our platforms across multiple dimensions including cost, speed and data transfer

• Ensuring system responsiveness, robustness and high availability of our platform delivering best in class to our customers

• Improving our cloud based CI/CD pipelines to ensure constant production delivery of high-quality features

• Design and create robust and reusable API components that will be used across the company

• Improve our CI/CD pipeline to ensure constant production delivery of high-quality features

• Improve our automated tests suite in terms of speed, accuracy and coverage while also improving developer productivity and experience

• Directly impact our generated revenue by implementing critical features

An Ideal Candidate Should Have...

• Bachelor’s degree or Master’s degree.

• A passion for software development and a desire to constantly learn and improve 

• Demonstrated Experience with Java

• Deep understanding of Java/J2EE and other supporting back-end technologies

• Experience with unit and integration testing and writing clean code

• Understanding of REST APIs, OOP, and related best practices

• Knowledge of architecture and design patterns and anti-patterns

• Good knowledge of SQL or NOSQL databases techniques

• The ability to deliver results in a fast-paced, deadline-driven environment that requires ability to handle multiple tasks simultaneously without compromising quality

• Strong interpersonal skills and the ability to work independently as well as in a team environment

What Would Be Nice...

• An eye for constant improvement of development processes and developer productivity

• Understanding of OS fundamentals, command line tools, and basic shell scripting

• Good knowledge and experience with big data technologies 

• Experience with building robust, scalable, distributed services; 

• Experience of GIT and of general configuration management methodologies

• Understanding of Test Driven Development

• Knowledge and experience of agile methodologies 

• Experience with Cloud Technologies (AWS or Kubernetes desirable)

• Knowledge of continuous integration and continuous deployment to a cloud based service such as AWS

• Good knowledge of event-driven and asynchronous coding in at least ES6 JavaScript

• Experience with frontend frameworks such as Ember.js, React, Next.js, Angular

• Experience with CSS preprocessors such as SASS, LESS, etc.

• Experience with Acceptance and E2E browser testing

You may be required to work on-call to support systems and equipment outside of normal working hours on an assignment basis

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 (

) or call . Requests and calls received for non-disability related issues, such as following up on an application, will not receive a response.

Yahoo has a high degree of flexibility around employee location and hybrid working. In fact, our flexible-hybrid approach to work is one of the things our employees rave about. Most roles don’t require specific regular patterns of in-person office attendance. If you join Yahoo, you may be asked to attend (or travel to attend) on-site work sessions, team-building, or other in-person events. When these occur, you’ll be given notice to make arrangements. 

If you’re curious about how this factors into this role, please discuss with the recruiter.

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