Junior SDET Engineer (with Java)
First seen by Alion on Nov 2, 2026.
Description
Founded in 2007, Magnite’s pioneering technology created a new model for the advertising industry. Today, our automated advertising platform is used by the world’s leading publishers and applications to transact with top brands around the globe enabling them to reach more than 1 billion consumers. Magnite operates the largest independent Display Advertising Exchange and Supply Side Platform that automates the buying and selling of Display Advertising across all formats (banner, video) on all devices (desktop browsers, mobile devices, billboards). Magnite auctions over 20 Billion Ads on a daily basis in real time in less than 1/2 of a second each. Magnite is a publicly traded company (NYSE: RUBI) headquartered in Los Angeles, California, USA.
Requirements
1+ years of developing and bolstering automated QA systems and associated test strategies
Experience working with business-critical customer-facing applications (APIs and back-end services)
Good communication skills
Desire to learn new technologies and tools
Strong understanding of object-oriented programming concepts.
Experience with Java.
Experience with web application testing tools (Selenium)
Experience with Linux
Experience with Docker (Docker, Docker-Compose)
Experience with Maven
Experience with Jenkins (emphasis on writing pipelines)
Understanding of web UI and services automation testing
Nice to haves:
Experience using BDD approach
Experience with Groovy (desire to learn more)
Experience with writing performance tests (Gatling)
Experience with the Ad Tech industry
Experience with high-load systems
Experience with messaging and streaming services (Aerospike, RabbitMq, Kafka etc.)
Job responsibilities
Responsible for designing and implementing build and test infrastructure, creating and enforcing good engineering practices, and evaluating product quality for various external and/or internal products
Work on problems in a number of areas, including caching optimizations.
Build out our automated testing infrastructure to help us build reliable, scalable, high-quality products and services
Participate in design and implementation of test infrastructure to support building and moving services into a Continuous Deployment environment
Conduct research and create Proof of Concepts on new testing technologies/tools/concepts
Design test strategies by analyzing and dissecting complex heavily integrated software systems
Work collaboratively with fellow SDETs to create a true end to end automation solutions
Develop and contribute to the automated testing efforts for the QA team
Design and build scalable, maintainable and flexible automation test framework.
Investigate root cause of issues to assist with finding the most comprehensive and robust solutions.
Collaborate closely with product, project and development teams to identify and resolve technical, business, and process related issues.