Engineer II, Backend APIs

Overview Location: Broomfield, CO; Hybrid Schedule (Mon/Fri remote; Tue/Wed/Thu in-office). West Coast – Remote. Los Angeles, CA. This role reports to the Reporting & Insights team within Magnite. Magnite is the world’s largest independent sell-side advertising platform. We provide technology to monetize content across CTV/streaming, online video, display, and audio, powering billions of transactions per day. In This Role You Will Participate in the design, development, testing, and release of APIs that power reporting and analytics applications. Collaborate daily with Product, UI, and Data engineers to take features from requirements to delivery. Design and build APIs that are intuitive and easy to consume: clear contracts (OpenAPI), well-documented APIs, 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. 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. Compensation In CA, the base salary range is $125,000 – $135,000. In CO, the base salary range is $115,000 – $125,000. Actual compensation will be determined based on location, experience, skills, and internal equity. During the interview process, candidates will receive more specific information about the salary range applicable to their experience and location. Benefits and Perks Annual performance-based bonus Equity (NASDAQ: MGNI) Comprehensive benefits package 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 & Culture We support internal mobility, skill development, and leadership pathways through structured career frameworks and learning programs. Magnite’s culture emphasizes collaboration and connection, with a hybrid schedule that includes two remote workdays and three in‑office days, plus catered lunches, beverages, and office events. We offer programs and benefits that support community involvement and employee development. EEO and Compliance Magnite is an Equal Opportunity Employer and does not discriminate on the basis of race, color, religion, national origin, age, sex, marital status, ancestry, disability, veteran status, gender identity, sexual orientation, or any other protected class. See also applicable laws and ordinances (e.g., Los Angeles Fair Chance Ordinance). #J-18808-Ljbffr