Magnite-posted 4 months ago
$145,000 - $155,000/Yr
Full-time • Senior
Los Angeles, CA
501-1,000 employees
Professional, Scientific, and Technical Services

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! Magnite's Reporting & Insights group powers two flagship analytics products-Performance Analytics (PA) and Prebid Analytics (PBA)-and is building the next-generation Unified Reporting API. We're adding a senior backend 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.

  • Design, build, and evolve microservice-based API products that power reporting and analytics applications.
  • Collaborate daily with Product, UI, and Data engineers to take features end-to-end-from requirements and design to rollout, telemetry, and iteration.
  • Craft APIs that are a joy to use: clear contracts (OpenAPI/gRPC), 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.
  • Mentor teammates, share knowledge, and help raise the technical bar across the organization.
  • 5+ years of software engineering experience, including 2+ years with Scala (or equivalent JVM experience with a strong desire to specialize in Scala).
  • Deep understanding of microservice fundamentals (service boundaries, resiliency, observability, CI/CD) and API design at scale.
  • Hands-on experience with MySQL (or other RDBMS): modeling, migrations, indexing, and query optimization.
  • A track record of shipping well-tested, production-grade APIs used by UI applications and direct API consumers.
  • Proficiency with Git/GitHub and modern team practices (reviews, trunk/branch strategies, code ownership).
  • Clear, empathetic communication and a collaborative mindset.
  • 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.
  • Experience working with distributed/remote teams.
  • Knowledge of Real-Time Bidding (RTB), SSPs, DSPs, and ad delivery systems is a strong plus.
  • Experience with Terraform.
  • 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
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