Back End Developer (WebFlux and AdTech Platform)

Back End Developer (WebFlux and AdTech Platform)

Posted 4 days ago by Javen Technologies, Inc

Negotiable
Undetermined
Hybrid
Remote or Hybrid in Richfield, Minnesota

Summary: The Back End Developer IV role at Best Buy involves building and managing the MyAds platform, focusing on retail media and advertising technology. The position requires enhancing campaign management workflows and integrating with external advertising platforms. Candidates should have extensive backend development experience, particularly with Java/Kotlin and Spring Boot/WebFlux. The role is available as a 6+ month contract with potential for extension, based in Richfield, MN, with remote options for non-locals.

Key Responsibilities:

  • Building and enhancing seller-facing campaign management workflows.
  • Integrating with external advertising platforms such as Criteo and ad-serving systems.
  • Implementing reporting, spend tracking, and billing event pipelines.
  • Improving campaign synchronization and product eligibility systems.
  • Modernizing frontend and backend architecture for scalability and maintainability.

Key Skills:

  • 5-8 years of backend development experience.
  • Strong Java/Kotlin and Spring Boot/WebFlux expertise.
  • Experience with microservices and REST API development.
  • Strong understanding of Kafka and event-driven architecture.
  • Knowledge of distributed systems, concurrency, and async processing.
  • Strong SQL and PostgreSQL/MySQL performance optimization skills.
  • Experience with Kubernetes, CI/CD, and cloud-native applications.
  • Production support, monitoring, and observability experience.
  • Strong debugging and problem-solving skills.
  • Ability to independently own features/services end-to-end.
  • Good cross-team communication and collaboration skills.
  • Experience with scalable and high-throughput systems.
  • Bonus: AdTech, BigQuery/Google Cloud Platform, reactive programming, AI-assisted development tools experience.

Salary (Rate): undetermined

City: Richfield

Country: United States

Working Arrangements: hybrid

IR35 Status: undetermined

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

JOB TITLE Back End Developer IV

Location: Richfield, MN and remote for non-locals

Duration: 6+ months contract (Can extend)

Job Description:

Position Summary.

We are Ads organization at Best Buy, where we build and manage the MyAds platform used by sellers and internal teams to create, manage, and monitor advertising campaigns across Best Buy s digital ecosystem.

Our department focuses on retail media and advertising technology, including Sponsored Products and onsite display advertising. We own systems that support campaign management, bidding, reporting, spend tracking, billing integrations, and seller-facing user experiences.

Project Description:

The project includes:

  • building and enhancing seller-facing campaign management workflows,
  • integrating with external advertising platforms such as Criteo and ad-serving systems,
  • implementing reporting, spend tracking, and billing event pipelines,
  • improving campaign synchronization and product eligibility systems,
  • and modernizing frontend and backend architecture for scalability and maintainability.

What are the top five skills and number of years of experience required to perform this job?

Experience

  • 5 8 years of backend development experience
  • Strong Java/Kotlin and Spring Boot/WebFlux expertise
  • Experience with microservices and REST API development
  • Strong understanding of Kafka and event-driven architecture
  • Knowledge of distributed systems, concurrency, and async processing
  • Strong SQL and PostgreSQL/MySQL performance optimization skills
  • Experience with Kubernetes, CI/CD, and cloud-native applications
  • Production support, monitoring, and observability experience
  • Strong debugging and problem-solving skills
  • Ability to independently own features/services end-to-end
  • Good cross-team communication and collaboration skills
  • Experience with scalable and high-throughput systems
  • Bonus: AdTech, BigQuery/Google Cloud Platform, reactive programming, AI-assisted development tools experience

Interview Process Overview:

1 technical rounds of 1.5 hours