Engineer II, Backend APIs

· Remote

Location

Remote

Type

Full Time

Job Description

Engineer II Backend APIs

Posted Yesterday
Be an Early Applicant
Los Angeles CA USA
Hybrid
115K-135K Annually
Mid level
AdTech • Big Data • Digital Media • Software
Magnite (NASDAQ: MGNI) is the world’s largest independent sell-side advertising platform.
The Role
As an Engineer II for Backend APIs you'll design develop and test APIs for the Reporting & Insights team collaborating closely with product and engineering teams. Your role involves ensuring high code quality ownership of services in production and leveraging AI tools in development.
Summary Generated by Built In

Engineer II Backend APIs

Reporting & Insights team

Los Angeles CA

Broomfield CO

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

West Coast - Remote

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:

Magnite’s Reporting & Insights team powers our flagship analytics product for SpringServe platform and is building the next‑generation Unified Reporting API. We’re adding an engineer to accelerate a high‑impact roadmap elevate API developer experience and partner closely with our UI and Data teams to ship features that our publishers and DSPs rely on to understand and optimize campaign performance.

In this role you will:  

  • Participate in the design development testing release of API’s that power reporting and analytics applications. 

  • Collaborate daily with Product UI and Data engineers to take features from requirements and delivery.

  • Design and build APIs that are intuitive and easy to consume: clear contracts (OpenAPI) well-documented versioning strategies pagination filtering batching and strong SLAs/SLOs.

  • Champion code quality: well‑tested observable maintainable code; thoughtful reviews; design docs; and pragmatic documentation.

  • Own services in production: dashboards alerting capacity and load testing cost‑aware design and reliability improvements.

  • Leverage AI-assisted tools in your development process

We’re looking for someone with: 

  • 3+ years of software engineering experience.

  • Primary development experience in modern (latest JVM version) Java for high-throughput low-latency back-end web services.

  • Hands-on experience with Postgres (or other RDBMS): modeling migrations indexing and query optimization.

  • Proficiency with Git/GitHub and modern team practices (reviews trunk/branch strategies code ownership).

  • Clear empathetic communication and a collaborative mindset.

Nice to Have:

  • Exposure to cloud providers (AWS GCP or Azure) and container orchestration (Docker/Kubernetes).

  • Experience with asynchronous programming patterns high levels of concurrency and with frameworks such as Vert.x and Dropwizard is highly desirable.

  • Experience with event‑driven or streaming architectures.

  • Understanding of authN/Z patterns (OAuth2/JWT) rate limiting and API security.

  • Observability tools and practices (metrics tracing logs) and load/perf testing.

  • Knowledge of Real-Time Bidding (RTB) SSPs DSPs and ad delivery systems is a strong plus.

In CA the base salary range for this role is $125000 – $135000.

In CO the base salary range for this role is $115000 – $125000.
 

Actual compensation will be determined based on location experience skills and internal equity.

This role is also eligible for:

  • Annual performance-based bonus

  • Equity (NASDAQ: MGNI)

  • Comprehensive benefits package

During the interview process candidates will receive more specific information about the salary range applicable to their experience and location.

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

  • Monthly Fitness and Reimbursement

Career Growth:

We support internal mobility skill development and leadership pathways through structured career frameworks and learning programs.

Company Culture: 

Magnite’s culture is rooted in collaboration and connection recognizing that both are essential to success. Our hybrid schedule includes two remote workdays (Monday and Friday) and three in-office days (Tuesday through Thursday) where employees can take advantage of catered lunches beverages snacks training opportunities and engaging office events that enhance the work experience. In addition we support our team through meaningful benefits and programs including community service and volunteer opportunities company-matched charitable contributions access to mental health resources structured career development initiatives and growth frameworks culture and inclusion programs and our Bonusly peer-to-peer recognition platform.

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.

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.

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The Company
HQ: Los Angeles CA
950 Employees
Year Founded: 2007

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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Magnite Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Magnite’s hybrid schedule includes two days worked remotely (Monday and Friday) and three days on-site (Tuesday Wednesday and Thursday) in all offices. Our offices provide daily lunches beverages snacks training development office events.

Typical time on-site: 3 days a week
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Date Posted

04/30/2026

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