Back End Developer III

job summary: 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.

location: Richfield, Minnesota job type: Contract salary: $50 - 60 per hour work hours: 9am to 5pm education: Bachelors

responsibilities: 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.

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/GCP, reactive programming, AI-assisted development tools experience

qualifications:

• 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/GCP, reactive programming, AI-assisted development tools experience

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com.

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.

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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.

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/GCP, reactive programming, AI-assisted development tools 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/GCP, reactive programming, AI-assisted development tools experience