Software Development Engineer in Test (SDET II)

Software Development Engineer in Test (SDET)

Los Angeles CA

Hybrid Schedule (M/F remote T/W/TH in-office)

At Magnite we cultivate an environment of continuous growth and collaboration. Our work impacts what millions of people read watch and buy and we’re looking for people to help us tackle that responsibility with creativity and focus.  Magnite (NASDAQ: MGNI) is the world’s largest independent sell-side advertising platform. Publishers use our technology to monetize their content across all screens and formats including CTV / streaming online video display and audio. Our tech fuels billions of transactions per day!

About this team:

We are looking for a Software Development Engineer in Test (SDET) to help ensure the quality reliability and scalability of our systems and services. In this role you will design build and maintain automated testing solutions while working closely with software engineers product managers and other stakeholders. You’ll play a key role in improving test coverage catching issues early and enabling teams to ship high-quality software with confidence.

In this role you will: 

• Design develop and maintain automated test frameworks for multiple systems services and APIs

• Write reliable maintainable automated tests (functional integration regression and end-to-end)

• Collaborate with software engineers to embed testing best practices throughout the development lifecycle

• Participate in requirements and design reviews to provide a quality and testability perspective

• Execute and maintain test plans for complex distributed systems

• Investigate troubleshoot and clearly document defects and test failures

• Improve CI/CD pipelines by integrating automated tests and quality gates

• Continuously evaluate and improve testing tools frameworks and processes

We’re looking for someone with: 

• Experience as an SDET QA Engineer with strong automation focus or Software Engineer with test ownership

• Strong programming skills in one or more languages (e.g. Java Python JavaScript C# or similar)

• Hands-on experience with test automation frameworks and tools (e.g. Selenium Playwright Cypress REST-assured pytest etc.)

• Experience testing APIs services and distributed systems

• Solid understanding of software development fundamentals data structures and debugging

• Familiarity with CI/CD systems and version control (e.g. Git)

• Ability to work across multiple systems and collaborate effectively with cross-functional teams

• Strong communication skills and a proactive approach to quality

Nice to have:

• Experience with cloud platforms (AWS GCP Azure)

• Experience with performance load or reliability testing

• Knowledge of containerization and orchestration tools (Docker Kubernetes)

• Experience working in Agile/Scrum environments

Perks and Benefits: 

• Comprehensive Healthcare Coverage from Day One

• Generous Time Off  

• Holiday Breaks and Quarterly Wellness Days

• Equity and Employee Stock Purchase Plan

• Family-Focused Benefits and Parental Leave 

• 401k Retirement Savings Plan with Employer Match

• Disability and Life Insurance

• Cell Phone Subsidy

• Fitness and Wellness Reimbursement

Company Culture: 

We believe collaboration is essential to success. Magnite’s hybrid schedule includes two days worked remotely (Monday and Friday) and three days on-site (Tuesday Wednesday and Thursday). Our offices provide catered lunches beverages snacks training and development and office events to support your work week.  We also understand you have appointments families hobbies and other commitments. Magnite strives to maintain a healthy work/life integration for all employees so you can bring your best every day - both at work and at home.

• Community Service and Volunteer Events

• Company-Matched Charitable Contributions

• Wellness Coach and Mental Health Support

• Career Development Initiatives and a Career Growth Framework

• Culture and Inclusion Programs

• Bonusly Peer-to-Peer Recognition Program

About Us

The world's leading agencies and brands trust our platform to access brand-safe high-quality ad inventory and execute billions of advertising transactions each month. Anchored in bustling New York City sunny Los Angeles mile-high Denver historic London and down under in Sydney Magnite has offices across North America EMEA LATAM and APAC.

In CA the base salary range for this position is: $120000 - $130000 in addition to an annual variable bonus based on performance and company equity (NASDAQ: MGNI). 

For Los Angeles-based applicants: 

Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.

The material job duties of this specific job position for which Magnite reasonably believes that a criminal history may have a direct adverse and negative relationship include:

• Having access to the Company’s Confidential Information or trade secrets including data related to customers clients vendors business partners or suppliers 

• Work with cross teams  to access datasets databases formulas algorithms tools products prototypes systems applications and technologies in any stage of development 

Magnite is an Equal Opportunity Employer and does not discriminate against applicants due to race color religion national origin age sex marital status ancestry physical or mental disability veteran status gender identity sexual orientation or any other federal state or local protected class.

Our Commitment: We aim to incorporate a wide range of voices into our Magnite culture cultivating an environment where employees feel welcomed cared for and encouraged to freely share ideas. We are committed to employee growth collaboration inclusion and innovation.  We invest in Magnite’s local communities. We seek talent from all backgrounds to champion corporate values of seeing the big picture and being catalysts of change.

Want to learn more about us?  

Check out our blog for Magnite announcements and Ad Tech industry news! 

Recruiting Agency Notice

Magnite does not accept agency resumes and is not responsible for any fees related to unsolicited resumes.

What We Do

Together we power advertising that enables billions of people to stay informed entertained and connected. We introduce them to new ideas products and services that make their lives better. And we help media owners of all sizes realize their full potential. That’s a lot — that’s the power of advertising. But it’s only possible with great technology. And that’s where Magnite comes in. Magnite (NASDAQ: MGNI) is the world’s largest independent sell-side advertising platform. Publishers use our technology to monetize their content across all screens and formats including CTV online video display and audio. Our tech fuels billions of transactions per day!

Why Work With Us

At Magnite our work impacts what millions of people read watch and buy. We strive to cultivate an environment of continuous growth and collaboration. We’re seeking out individuals who share an alternative perspective challenge the status quo and aren’t afraid to raise the bar!

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