Title: Back End Developer - Java/Kotlin
Location: Richfield, MN (Hybrid - 2 days/Week)
Duration: 6-12 months contract
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.
Position Summary/Job Description:
Skills Overview:
What are the top five skills and number of years of experience required to perform this job?
Experience
- 7-10 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