Staff Engineer, Backend APIs jobs in United States
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Magnite · 2 weeks ago

Staff Engineer, Backend APIs

Magnite is the world’s largest independent sell-side advertising platform, and they are seeking a Staff Engineer to join their Reporting & Insights group. The role involves designing and building microservice-based API products that enhance reporting and analytics applications, while collaborating with cross-functional teams to optimize campaign performance.

AdvertisingAdvertising PlatformsContentDigital Media
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H1B Sponsor Likelynote

Responsibilities

Design, build, and evolve microservice‑based API products that power reporting and analytics applications
Manage individual project priorities, deadlines, and deliverables with your technical expertise
Collaborate daily with Product, UI, and Data engineers to take features end‑to‑end — from requirements and design to delivery
Design and build APIs that are intuitive and easy to consume: clear contracts (OpenAPI/gRPC), well-documented, versioning strategies, pagination, filtering, batching, and strong SLAs/SLOs
Shape data access patterns: schemas, query plans, caching, and performance tuning in read/writes for big data
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
Mentor teammates, share knowledge, and help raise the technical bar across the organization

Qualification

MicroservicesJavaAPI designCI/CDDockerAWSCommunicationMentorshipCollaborationProblem-solving

Required

8+ years of relevant work experience in software development
Deep understanding of microservice fundamentals (service boundaries, resiliency, observability, CI/CD) and API design at scale
Primary development experience in Java for high-throughput, low-latency back-end web services
Experience with asynchronous programming patterns, high levels of concurrency, and with frameworks such as Vert.x and Dropwizard is highly desirable
Experience working in roles where project success was heavily dependent on your personal design and development contributions, your technical leadership and broad expertise
A track record of shipping well‑tested, production‑grade APIs used by UI applications and direct API consumers
Experience with development and CI tools like Maven, git, containerization with Docker, a build management system like Codebuild or Jenkins, and Jira
Clear, empathetic communication and a collaborative mindset

Preferred

Exposure to cloud providers (AWS, GCP, or Azure) and container orchestration (Docker/Kubernetes)
Familiarity with functional programming concepts and Scala FP libraries
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
Experience with Terraform or other infrastructure automation tools

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
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

Company

Magnite

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Magnite is a sell-side advertising platform that provides technology for publishers to monetize their content across all screens and format.

H1B Sponsorship

Magnite has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (10)
2024 (22)
2023 (15)
2022 (12)
2021 (17)

Funding

Current Stage
Public Company
Total Funding
$940M
2024-02-06Post Ipo Debt· $540M
2021-03-15Post Ipo Debt· $400M
2014-04-04IPO

Leadership Team

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Michael Barrett
Chief Executive Officer
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Garrett McGrath
Senior Vice President, Product Management
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Company data provided by crunchbase