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SRE Expert/Leader Job Opening In Kraków – Now Hiring HRK SPÓŁKA AKCYJNA


Job description

Full-time | On-site with flexible remote options up to 2 days per week


Are you passionate about designing scalable systems that support millions of users and devices in real time?

Would you like to be part of a dynamic engineering team where infrastructure, data, and performance meet product impact?

We're looking for a skilled and versatile engineer with a focus on site reliability, who thrives in solving complex problems and modernizing system architecture.


Join a product-driven tech company that operates at scale across cloud and on-prem environments.

You'll have a direct impact on systems that manage real-time communication, data streaming, and performance monitoring—all while collaborating closely with engineers across domains.


Depending on your experience, you’ll join as a Senior Engineer, Expert, or Technical Lead, and take ownership of key areas of platform reliability and data operations.




Your Responsibilities




  • Analyze metrics across production environments and proactively identify inefficiencies, scalability risks, or potential incidents.




  • Support and improve deployment processes, release workflows, and system observability.




  • Contribute to performance tuning, capacity planning, and database optimization (SQL & cloud-based systems).




  • Mentor team members and collaborate on architectural decisions (for senior profiles).




  • Design and implement tooling for infrastructure health, deployment pipelines, and service reliability.




  • Participate in research and implementation of new technologies (cloud, messaging systems, NoSQL, etc.).




  • Take part in incident response, root cause analysis, and post-mortem processes.




  • Collaborate with software engineers, DevOps, and product teams to ensure high service availability.




  • Lead or contribute to cross-team projects focused on infrastructure modernization and reliability (for lead-level profiles).






What We’re Looking For


We are open to candidates with varied levels of experience, as long as they bring strong technical foundations and a mindset focused on reliability, scalability, and clean engineering.


Requirements (must meet most):




  • 5+ years of experience in software engineering or SRE roles (8+ for lead level).




  • Strong programming skills in one or more languages: C#, Java, C++, Python.




  • Solid understanding of SQL databases (query tuning, indexing, schema design); experience with Microsoft SQL Server or cloud databases (e.g. Azure SQL) is a plus.




  • Experience with system monitoring and performance tools such as Prometheus, Grafana, Datadog, Wavefront.




  • Familiarity with modern deployment and infrastructure technologies: CI/CD pipelines, containerization (e.g. Kubernetes), message brokers (e.g. Kafka).




  • Strong analytical skills and ability to troubleshoot complex systems.




  • Comfortable working in production environments and participating in on-call rotations.




  • Effective communication and ability to work cross-functionally with multiple teams.




Nice to have (a plus, not required):




  • Experience with IIS web servers, NoSQL databases, Redis, Elasticsearch.




  • Previous work in cloud/hybrid environments.




  • Experience guiding architecture or mentoring other engineers (for lead profiles).






What You’ll Get




  • Long-term, full-time employment contract.




  • Modern office in Kraków with a collaborative engineering culture.



  • Private healthcare, life insurance, and sports package.


  • Annual development budget (~$2000) to support your growth.




  • A chance to build and scale technology that impacts real-world connected devices on a massive scale.






Ready to bring your skills to a fast-paced, impact-driven team? Apply now and help us shape the future of reliable, intelligent infrastructure.

Required Skill Profession

Computer Occupations


  • Job Details

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Unlock Your SRE Expert Potential: Insight & Career Growth Guide


Real-time SRE Expert Jobs Trends (Graphical Representation)

Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph here. Uncover the dynamic job market trends for SRE Expert in Kraków, Poland, highlighting market share and opportunities for professionals in SRE Expert roles.

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52 Jobs in Kraków
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Are You Looking for SRE Expert/Leader Job?

Great news! is currently hiring and seeking a SRE Expert/Leader to join their team. Feel free to download the job details.

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The Work Culture

An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at HRK SPÓŁKA AKCYJNA adheres to the cultural norms as outlined by Expertini.

The fundamental ethical values are:

1. Independence

2. Loyalty

3. Impartiapty

4. Integrity

5. Accountabipty

6. Respect for human rights

7. Obeying Poland laws and regulations

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The average salary range for a varies, but the pay scale is rated "Standard" in Kraków. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.

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Interview Tips for SRE Expert/Leader Job Success

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Research: Learn about the HRK SPÓŁKA AKCYJNA's mission, values, products, and the specific job requirements and get further information about

Other Openings

Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.

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By following these tips, you can increase your chances of making a positive impression and landing the job!

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