Senior Java Backend Engineer, Platform & API Services

McKesson; Minnesota; Hybrid; USD 109,000 - 181,000; Full time

Job summary

McKesson's Ontada Engineering team seeks a Software Engineer III to design and build core backend services and platform components using Java and Spring Boot. You will work on RESTful APIs, event-driven integrations with Kafka, and data pipelines with Databricks, while ensuring reusability and strong documentation.

The role combines backend core services with frontend integration work (React/TypeScript) for end-to-end validation, within a hybrid work model in the U.S.

Qualifications

• Degree in Computer Science or related field.
• 4+ years of relevant experience.
• Experience in backend/server-side development.
• Proficiency with Java and Spring Boot.
• Experience with RESTful APIs and event-driven architectures.

Responsibilities

• Design and implement well-scoped backend services and shared components using Java and Spring Boot.
• Build and maintain RESTful APIs with clear contracts and thorough documentation.
• Implement event-driven integrations using Kafka across services.
• Build data integrations with Databricks for analytics and processing.
• Write prod-quality code against Oracle databases with good performance and transactions.

Skills

Backend Java

Spring Boot

RESTful APIs

Kafka

Linux/Unix

Education

Bachelor's degree in Computer Science / Software Engineering

Tools

JPA/Hibernate

Docker

Git

Databricks

Dynatrace

Job description

McKesson's Ontada Engineering team seeks a Software Engineer III to design and build core backend services and platform components using Java and Spring Boot. You will work on RESTful APIs, event-driven integrations with Kafka, and data pipelines with Databricks, while ensuring reusability and strong documentation.

The role combines backend core services with frontend integration work (React/TypeScript) for end-to-end validation, within a hybrid work model in the U.S.