Performance Engineer

Sabre is a technology company that powers the global travel industry. By leveraging next-generation technology, we create global technology solutions that take on the biggest opportunities and solve the most complex challenges in travel. 

Positioned at the center of the travel, we shape the future by offering innovative advancements that pave the way for a more connected and seamless ecosystem as we power mobile apps, online travel sites, airline and hotel reservation networks, travel agent terminals, and scores of other solutions.

Simply put, we connect people with moments that matter.

SynXis team has an exciting opportunity for a creative and experienced  Software Engineer  to join Sabre Hospitality Solutions Center of Excellence for Performance Engineering. You will join a very collaborative team that is passionate about application performance and automation. Your primary responsibility will be the creation of test harnesses to inject load, analyze metrics from application and system logs, and simulate system behavior to improve the performance and reliability of Sabre applications using in-house tools, the latest open source and cloud technologies.

To be successful you should have enthusiasm for troubleshooting, analyzing and resolving complex problems and be eager to learn. The team’s members come from a variety of backgrounds, from Software Developers, Quality Assurance Test Engineers, Test Automation Engineers, and DevOps/SRE.

 
You will be responsible for performance testing of mission-critical systems in Sabre Hospitality Solutions. You will:

Build and execute various types of performance tests to help determine stability and capacity across many high volume and heavily integrated applications and architectures.

Create and maintain test harnesses to inject load, analyze metrics from application and system logs, and simulate system behavior based on the production workload of these applications.

Use rigorous logic and methods to solve difficult problems with effective solutions.

Works as part of a team responsible for assessing performance risk, identifies critical use cases and select key performance scenarios.

Help predict and assess performance risk ahead of production releases.

Collaborates with product development teams to design effective performance and destructive tests.

Evaluate application architectures, design suitable performance and capacity tests, and establish performance objectives for critical areas: load, soak, stress, stability, and capacity.

Provide analysis of performance test results and adequately communicate to stakeholders: Development, Quality Assurance, System Owners and Management.

Consult with Development engineers in problem resolution.

May take part in researching best practices, evaluating new tools and benchmarking new technologies.

‘Must have’ skills:

Previous experience as a software/application developer (back-end, microservices), Quality Assurance QA, QAA test automation developer or similar role in development.

Experience in Software Engineering and performance analysis in applications, networks, databases for large scale systems. Understand application and system behavior under load and stress (user, system, capacity, infrastructure).

Ability to understand application and systems performance and identify resource constraints and bottlenecks in high volume and heavily integrated messaging and database systems

Knowledge of distributed software systems and complex multi-tiered architectures with various types of integration and messaging between applications.

Ability to test and comprehend workflows in complex architectures – heavily integrated, multiple databases, message queueing systems, using distributed and local caching, etc.

Strong programming, scripting, testing and debugging skills

Messaging and interfacing systems testing – (Not web-based UI testing)

Solid knowledge of Windows/Linux operating system, Windows Services

Experience with SOAP/XML Web Services, Service Oriented Architecture, distributed messaging systems

Experience with load testing tools like Visual Studio Ultimate/Premium Edition, JMeter, Grinder, LoadRunner, CloudTest, SoapUI/LoadUI, etc.

System Monitoring and instrumentation (Splunk, Grafana, Prometheus) and tools like AppDynamics, Dynatrace, New Relic, etc.

Performance monitoring of relational databases - Oracle and SQL Server, or NoSQL type databases - Cassandra or MongoDB, etc.

Self-driven collaborator with ability to work in diverse teams as a contributing member

Eager to learn and highly curious.

Excellent verbal and written English skills

‘Nice to have’ skills:

Knowledge of memory management and Garbage Collection algorithms for server-side applications in Java/C#

Statistical methods and tools for analysis and reporting

Experience in at least one of the following: Jenkins, Docker, ansible, DevOps

Experience in Cloud technologies – GCP, Terraform, Kubernetes, AWS, Azure

Experience with Chaos Engineering is a plus

TCP/IP and computer networks literacy

Skills : Performance Engineer, Application performance, Analysis, System Performance, System Reliability, System Monitoring and instrumentation, Performance monitoring, relational databases, Load testing tools, Splunk, Grafana, AppDynamics, Oracle, SQL, Visual Studio, JMeter, Cloud

Work arrangement s

· Hybrid working mode; 3 chosen days from the office in a week

· Flexible working hours: maintain your work-life balance by adjusting your working hours to your needs

Paid time off  

Year-End-Break:  enjoy additional fully paid days off during the last week of the year 

Floating Holidays: use additional up to 2 days of paid time-off benefit

Paid parental leave: Take up to 12 weeks off with pay after birth or adoption of a child. Sabre Global Paid Parental Leave runs concurrently with local leave policies. 

Paid volunteer time: take up to 4 days annually to give your time to a charitable organization of your choice 

Your money  

My Benefit platform/Multisport card:  enjoy the benefit cafeteria system and use popular sport card 

Tax deduction: take the opportunity to claim deductible costs, reducing your income tax 

Employee Capital Plans:  profit from long-term saving scheme co-financed by Sabre and the State Treasury 

Baby Bonus:  benefit from one-time allowance on childbirth or adoption

Say Thanks program:  collect points on recognition program and transfer them to wide variety of gifts and services 

Health and wellness  

Luxmed VIP medical coverage: take care of yourself and your family with the extensive medical package with a broad range of additional services 

Foreign travel insurance: feel safe going abroad with free Allianz insurance offered as part of our Lux Med package 

Employee Assistance Program: find help in free, confidential program with a certified counselor 

Mindfulness & meditation apps: take care of your mental and physical health with free access to Headspace, Burn Along, Sanvello which will help you manage stress, exercise, sleep and more 

Life insurance: sign up for free, high coverage life insurance program 

Career development  

English & Polish lessons: improve your language skills during lessons led by native speakers 

Professional development:  enjoy access to Udemy learning platform as well as join Sabre live learning sessions 

Certification and tuition reimbursement  

Our Communities:  join one of our team member groups focused on sharing knowledge and best practices (Google Developers Group, Innovation Lab Community, Women in Technology, SOLVET and many more) 

And more  

Car and bike parking

Fun & Relax zone in modern office: enjoy electronic tables to work, foosball, ping pong, pool table, swings, massage chairs and terraces to admire a panoramic view of Kraków. We have parents’ rooms as well 

No dress code  

Innovation Lab: access Augmented Reality & Virtual Reality equipment, Robot construction kit, 3D printers and many more 

Attractive Referral Bonus:  earn $2500 USD for every hired referral 

We will give careful consideration to your application and review your details against the position criteria. You will receive separate notification as we progress your application.

Please note that only candidates who meet the minimum requirements will proceed in the selection process.

#LI-Hybrid#LI-KG1

---