Lead Backend Systems Engineer (Java, AI) – Hybrid Kraków

Sabre Corporation; Kraków; Hybrid; PLN 300,000 - 420,000; Full time

Benefits offered by this job

Paid time off

Year-End Break (additional days)

Paid parental leave

Volunteer time off

Health benefits

Life insurance

Job summary

Sabre Corporation in Kraków, Poland, is seeking a Lead Software Systems Engineer to guide the Profiles platform with hands-on backend work and technical leadership. You will shape architecture, drive modernization, mentor engineers, and ensure reliable, scalable solutions while leveraging AI-assisted development tools.

You should have deep Java expertise with Spring Boot and Apache Camel, experience on GCP and Kubernetes, and a track record of leading platform initiatives in a collaborative,

Qualifications

• Experience as a lead backend engineer with hands-on coding and mentoring responsibilities.
• Strong track record delivering reliable, scalable backend systems.
• Experience guiding architecture and modernization initiatives.

Responsibilities

• Lead the design, development and delivery of core platform capabilities with high reliability and performance.
• Mentor engineers and promote responsible AI-assisted development practices.
• Drive technical decisions and shape long-term platform architecture and modernization roadmap.
• Collaborate with product managers, architects and cross-functional teams to translate business needs into robust technical solutions.
• Ensure production stability through proactive monitoring, incident response and support.

Skills

Java

Backend engineering

Team leadership

AI-assisted development

Cloud deployment

Tools

Spring Boot

Apache Camel

Google Cloud Platform

Kubernetes (GKE)

Job description

Sabre Corporation in Kraków, Poland, is seeking a Lead Software Systems Engineer to guide the Profiles platform with hands-on backend work and technical leadership. You will shape architecture, drive modernization, mentor engineers, and ensure reliable, scalable solutions while leveraging AI-assisted development tools.

You should have deep Java expertise with Spring Boot and Apache Camel, experience on GCP and Kubernetes, and a track record of leading platform initiatives in a collaborative,