Senior Java Microservices Engineer — IAM & Cloud-Native

Sabre Corporation; Kraków; Hybrid; PLN 180,000 - 280,000; Full time

Benefits offered by this job

Luxmed health insurance

Hybrid work model

Parental leave

Referral bonus

Wellness program

Job summary

Sabre Corporation is seeking a mid-level to senior Java backend engineer to design, build, and modernize microservices for identity and access management. You’ll drive feature delivery end-to-end with a strong emphasis on clean code, testing, and scalable cloud-native solutions.

You’ll work in a hybrid setup with Sabre’s Customer Identity & Access Solutions team, collaborating with product, security, and SRE teams to raise engineering standards and deliver secure, reliable systems at scale.

Qualifications

• Java proficiency with RESTful microservices.
• Hands-on Spring Boot experience.
• Experience with TDD, unit/integration testing, and CI/CD pipelines.
• Relational databases (SQL) and basic Bash scripting.
• Fluent English (written and spoken).
• Bachelor’s degree in Computer Science or equivalent practical experience.

Responsibilities

• Build and modernize scalable Java microservices and web apps powering identity, authentication, authorization, and session state.
• Elevate engineering standards through TDD, clean code, and code reviews.
• Own the feature lifecycle from design and automated tests to CI/CD and deployment.
• Solve scalability by modernizing legacy session workflows to cloud-native architectures (GCP/Kubernetes).
• Collaborate with product owners, security leads, SREs, and partner teams to share best practices.

Skills

Java

Spring Framework

Testing & CI/CD

Relational Databases (SQL)

English Communication

Bachelor’s in CS/Equivalent

Education

Bachelor's degree in Computer Science, Software Engineering, or equivalent

Tools

Spring Boot

Jenkins

Git

Docker

Kubernetes

JUnit/Testing

Job description

Sabre Corporation is seeking a mid-level to senior Java backend engineer to design, build, and modernize microservices for identity and access management. You’ll drive feature delivery end-to-end with a strong emphasis on clean code, testing, and scalable cloud-native solutions.

You’ll work in a hybrid setup with Sabre’s Customer Identity & Access Solutions team, collaborating with product, security, and SRE teams to raise engineering standards and deliver secure, reliable systems at scale.