Senior Engineer- Roundel Data Solutions; Cyclone

Senior Engineer - Roundel Data Solutions (Cyclone)

Join Target as a Senior Engineer in our Roundel Data Solutions (Cyclone) team. This role focuses on building scalable, high‑performance data systems using modern JVM and Big Data technologies.

Pay Range: $95,000 – $. Compensation is based on market factors, experience, certifications, and education.

At Roundel, the Data Collaborations (Cyclone) team is at the forefront of building scalable, high‑performance data systems that enable meaningful collaboration between Target and our partners. We work on complex, real‑world challenges, from large‑scale API and data integrations to cloud‑native system design, using modern JVM and Big Data technologies.

• Design, develop, and maintain high‑performance APIs and backend services using JVM languages (Java, Kotlin) and Spring Boot.
• Build and optimize microservices architectures that enable scalable, reliable, and secure integrations with internal platforms and external partners.
• Engineer data exchange and integration layers to support large‑scale collaboration and interoperability across systems.
• Leverage Google Cloud Platform (GCP) services, including Big Query, for distributed data processing and analytics workloads.
• Implement API design standards, authentication/authorization protocols (OAuth2, JWT), and observability best practices (logging, tracing, metrics).
• Drive architecture reviews, ensuring adherence to performance, resiliency, and fault‑tolerance standards.
• Contribute to CI/CD pipelines, automated testing, and infrastructure‑as‑code deployments to ensure consistent, repeatable builds.

• Advanced proficiency in JVM languages (Java, Kotlin) and frameworks such as Spring Boot or Micronaut.
• Deep understanding of RESTful API design, service orchestration, and event‑driven architecture (Kafka, Pub/Sub).
• Experience designing scalable integrations with third‑party and partner systems using secure APIs and message‑based communication.
• Strong knowledge of cloud‑native design, microservices, and container orchestration (Docker, Kubernetes).
• Hands‑on experience with GCP, including Big Query, Pub/Sub, and Cloud Storage.
• Familiarity with No
  
  SQL data stores, data modeling, and distributed systems design.
• Expertise in performance tuning, fault tolerance, and system observability.
• Strong collaboration and documentation skills, with a focus on building robust, maintainable backend systems.

• 4‑year degree or equivalent experience.
• 5+ years of software development experience.
• Demonstrates strong domain‑specific knowledge regarding Target’s technology capabilities and key competitors’ products.
• Working knowledge of package‑specific configuration and deployment, with the ability to build custom solutions.
• Designs new testing methods and resolves routine and non‑routine technical issues with minimal assistance.
• Demonstrates strong proficiency in core development platforms within own domain.
• Builds strong commitment within the team to support appropriate team priorities.
• Clearly communicates Agile concepts to partners within the product team.
• Demonstrates a solid understanding of the impact of own work on the team and/or guests.
• Writes and organizes code using multiple computer languages, including distributed programming and various frameworks.
• Delivers high‑performance, scalable, repeatable, and secure deliverables with broad impact (high throughput and low latency).
• Influences and applies data standards, policies, and procedures.
• Maintains technical knowledge within areas of expertise.
• Stays current with new and evolving technologies via formal training and self‑directed education.

Mid‑Senior level

Full‑time

Engineering and Information Technology
Industry: Retail

To learn about benefits eligibility for this role, visit

In compliance with state and federal laws, Target will make reasonable accommodations for applicants with disabilities. If a reasonable accommodation is needed to participate in the job application or interview process, please reach out to candidate.acc