All offersWarszawaAdminSite Reliability Engineer
Site Reliability Engineer
Circle K

Site Reliability Engineer

Circle K
Type of work
Employment Type
Operating mode

Tech stack





















Job description

Online interview
Friendly offer

Circle K Business Center is a professional software development hub, responsible for delivering software solutions used by external private and business Circle K customers across the globe.

Our software is used on a real scale, Circle K is the global company with over 16.000 stores in 26 countries, serving more than 6 million customers a day and having about 130.000 people working at our stores and support offices.

You will be focused on Next Generation Retail Platform, aiming to improve its reliability, telemetry, observability, performance, maintainability, and quality.

­čîŹ Warszawa, Pu┼éawska 145

Ôťů Qualifications and experience:

  • BachelorÔÇÖs degree in computer science, IT, engineering, system analysis or a related study (or equivalent or proven experience)
  • Minimum of 7 yearsÔÇÖ experience in IT Industry Development
  • Minimum 3 years of experience in support or maintenance of microservices platform
  • Ability to speak English at C1 level.
  • Excellent written and verbal communication skills
  • Experience in Azure
  • Good understanding of product management, agile principles, and development methodologies
  • Proactive approach to identifying problems, performance bottlenecks, and areas for improvement.


  • Understanding business criticality of supported services,
  • Oversee the production environment by monitoring availability, setting up alerting and taking a holistic view of system health,
  • Defining, gathering, and analyzing metrics from all systems (operating systems, applications, PaaS like Azure, AWS) to assist in fault finding and performance tuning,
  • Integrating monitoring, alerting, ticketing, and paging systems to provide instant information in case of incident, with appropriate incident thresholds defined,
  • Defining SLI, SLA and SLO together with building dashboards to observe metrics,
  • Actively proposing and implementing improvements to processes, access management, change management, resource utilization and lifecycle of service,
  • Operational support to production issues - engaging Support and Product Teams, triaging P1 production incidents,
  • Demand forecasting and capacity planning ÔÇô ensuring proper ratio of capacity/cost and efficiency of running services, avoiding over- and under-provisioning,
  • Driving or participating in postmortems,
  • Leveraging automation to perform operations to scale with load and for menial tasks (toil),
  • Building critical paths of products build on platform in cooperation with Product Teams,
  • Mapping critical paths to logical and physical resources in cooperation with Architects and DevOps,
  • Partnering with Product Teams in capacity planning,
  • Partnering with Architects, Development Teams in influencing services design and permanent resolution of defects in line with architectural principles and development practices.

­čĆć Skills & Competencies:

  • Although you will not be required to code you will be expected to understand what our architects, developers and devops are telling you, therefore we expect you to have practical knowledge about most of below:
  • Microservice Architecture
  • JAVA, Spring
  • reliability patterns
  • SQL and no-SQL databases
  • CI/CD (for ex. SONAR, GitHub)
  • Azure
  • BPM nice to have

We believe a successful SRE is a person with below characteristics and competencies:

Proven experience with setting up monitoring/alerting and reliability engineering

Excellent analytical, planning, organizational and technical skills

Motivated and driven by achieving long-term business outcomes

Ability to work effectively in a team environment

Ô×í´ŞĆ What do we offer?

  • Annual bonus
  • Private medical care
  • Multisport
  • Possibility for author's tax deduction┬á
  • English lessons subsidized by the company
  • Group insurance
  • Attractive discounts for products and services at our stations
  • Employee stock purchase plan
  • ICAS
  • Modern and convenient office that you can virtually visit here -
  • Trainings & possibility to develop skills in a wide international environment

When working with us you can depend upon it that you will not be judged on the grounds of race, national origin, gender, sexual orientation, disability, age, or other legally protected status. Oppositely ÔÇô we believe that our diverse and inclusive culture helps us create an amazing atmosphere where everybody feels welcome.

Check who we are here:

Want to know even more about us? Take a look at our career page:

Ôťë´ŞĆ Interested?

We encourage you to apply.

We know great companies are built from within, by great people like you. Come grow with us!

We┬┤re looking forward to your application.