Engineer II, Ad Engineering

Job Description

As Engineer II with the Retail Media Network Ad Engineering, you will be responsible for delivering complex product features that are well-tested, scalable, and production ready. This role requires minimal oversight and expects the engineer to plan and execute coarse-grained features while breaking down large problems into manageable parts. You will support backend engineering at scale, with a solid understanding of cloud infrastructure, microservice architecture, and system performance.

You will collaborate closely with product managers, designers, and fellow engineers while demonstrating initiative and ownership across the stack. This is a role for engineers who are eager to grow into technical leaders while contributing meaningfully to business outcomes.

This role is hybrid, which means you will work some days on site at a Best Buy location and some days virtually from home or other non-Best Buy location. The specific work arrangements vary by role and team. The recruiter or hiring manager will provide more details during the hiring process. For this role, you must be located within a drivable distance to our office in Richfield, Minnesota.

• Design and implement application features end-to-end, collaborating with internal and external partners
• Participate in planning and architecture discussions, applying design patterns and microservice best practices
• Enhance internal libraries, tools, and developer workflows to improve engineering efficiency and experience
• Lead and support production triage, incident response, and cross-environment troubleshooting
• Drive performance optimization, load testing, and monitoring using tools like Swagger, Postman, Kibana, Grafana, Prometheus, Stratus, and Git Hub Actions
• Mentor peers, foster team growth, and stay current with industry trends to introduce innovative engineering solutions

• 2+ years of relevant enterprise software engineering experience at scale
• 2+ years of development experience with Java, Spring, REST web services, and similar technologies
• 2+ years of cloud experience (AWS preferred, GCP acceptable)
• 1+ years of experience with Postgres, Kafka, or similar technologies
• 1+ years of experience with tools such as Swagger, Postman, Kibana, Grafana, Prometheus, Stratus, and Git Hub Actions (GHA)
• 1+ years of experience with test-driven development (TDD) and writing unit/integration tests

• 3+ years of relevant experience with a bachelor’s degree OR equivalent relevant professional experience
• 3+ years of development experience with Java, Spring, REST web services, and similar technologies
• Understanding of performance monitoring tools and practices, including load testing and system optimization
• Understanding of state management, caching, concurrency, threading, messaging, and inter-system dependencies
• Experience applying design patterns and working within microservice architecture
• Strong ability to build and optimize backend systems in a cloud-native environment
• Experience building highly scalable, resilient, and performant applications
• Ability to collaborate effectively with product managers and cross-functional stakeholders
• Experience triaging and resolving complex production issues
• Advanced proficiency in system observability and operational excellence practices
• Familiarity with CI/CD pipelines, infrastructure automation, and Git-based workflows
• Experience working in a fast-paced, agile environment with production responsibilities

We’re committed to helping our people thrive at work and  offer generous benefits that address your total well-being and provide support as you need it, especially key moments in your life.

Our benefits include:

• Competitive pay
• Generous employee discount
• Physical and mental well-being support

As part of the Best Buy team, you’ll help us fulfill our purpose to enrich lives through technology. We bring that to life every day by humanizing and personalizing tech solutions for every stage of life – in our stores, online and in customers’ homes.

Our culture is built on deeply supporting and valuing our amazing employees who make it all possible. We’re committed to being a great place to work, where you can unlock unique career possibilities. Above all, we aim to provide a place where you can bring your full, authentic self to work now and into the future. Tomorrow works here.™

Best Buy is an equal opportunity employer.

Best Buy offers a range of benefits to support your overall well-being, as outlined in the Benefits Guide. Eligibility may vary.