Engineer II, Backend APIs

* 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
* 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/Git Hub 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).
* 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 auth

N/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.
* Annual performance-based bonus
* Equity (NASDAQ: MGNI)
* Comprehensive benefits package
**** 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
* 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
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