Java Software Systems Engineer – AI-Driven Network Planning

3003 Sabre Polska Sp. z o.o.; Kraków; Hybrid; PLN 130,000 - 210,000; Full time

Benefits offered by this job

Paid time off

Year-End Break

Paid parental leave

Paid volunteer time

Udemy access

Tax deduction

Employee Capital Plans

Baby Bonus

Say Thanks program

Luxmed health coverage

Foreign travel insurance

Employee Assistance Program

Life insurance

Professional development

Certification and tuition refund

Communities groups

Car and bike parking

Relax zone & games

Parents’ rooms

No dress code

Innovation Lab equipment

Referral Bonus

Job summary

Sabre Polska Sp. z o.o. in Kraków is seeking a Software Systems Engineer to drive design and execution across a high-scale product suite. You will collaborate with globally distributed teams, mentor engineers and improve software development processes to deliver scalable, reliable systems.

You will apply AI to core workflows, tackle complex scale and performance challenges, and align teams to ensure quality and operational excellence in a hybrid work environment.

Qualifications

• 2-6 years of experience in software engineering with leadership of complex system design.
• Fluency in Java with hands-on experience in the J2EE platform and Spring.
• Familiarity with Google Cloud Platform (GCP) or similar cloud environments.
• Hands-on experience using AI/ML to improve software architecture or developer workflows.
• Ability to collaborate across global teams and mentor peers.

Responsibilities

• Work with globally distributed teams to design and implement new functionalities across complex systems.
• Apply optimizations and improvements to product features, architecture and tooling.
• Mentor junior team members to foster technical growth and cohesion.
• Identify practical ways to incorporate AI into core workflows to accelerate delivery.
• Solve complex challenges across large-scale software solutions.
• Drive cross-team alignment for software quality, stability and operational excellence.

Skills

Java

J2EE

Spring

GCP

AI integration

Mentoring

Job description

Sabre Polska Sp. z o.o. in Kraków is seeking a Software Systems Engineer to drive design and execution across a high-scale product suite. You will collaborate with globally distributed teams, mentor engineers and improve software development processes to deliver scalable, reliable systems.

You will apply AI to core workflows, tackle complex scale and performance challenges, and align teams to ensure quality and operational excellence in a hybrid work environment.