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Site Reliability Engineer

Monri Payments, member of Payten

Zagreb, Zagreb, Croatia

About us

The vision of Monri Payments is to leave future generations with a better payment experience worldwide. We are committed to provide the safest and most innovative payment and invoicing methods, as well as the best local customer support. At this moment Monri Payments is the regional leader in payment services because we are the only company that can offer all payment solutions in one place – from advanced cashier's solutions to secure in-store and online card payments.


In 2024 we processed more than 200 million card transactions in Croatia, which means that every fourth non-cash transaction was processed through our infrastructure. We are recognized with our InStore payment’s solution - SinglePOS terminal - at over 15.000 payment points, primarily in leading retail chains. More than 2.000 companies use Monri's eCommerce solutions, like our payment gateways WebPay and WSPay. Monri's ECR solutions Remaris, Smart and Thor are present in more the 6.000 HoReCa companies. Overall, our brands reach more than 10.000 merchants.


We are part of the Payten/ASEE Group, so we have the opportunity to integrate knowledge and best practices from organizations within the group. On the other hand, we have the autonomy and flexibility of a start-up, so we like to think that we combine the best of two worlds.


We operate on the markets of Croatia, Bosnia and Herzegovina, Serbia, Montenegro, North Macedonia, Romania, and Albania, as well as in several countries outside the region. With the recent PCI P2PE certification, the highest security standard in card payments, we are strengthening our position for a global breakthrough. In the coming period, we will be focusing on further development of our brands and on the significant step forward on the international market.


To help us drive our mission forward, we’re looking for a skilled Site Reliability Engineer (SRE) to join our Engineering team.


What You’ll Do

  • Ensure reliability, availability, and performance of mission-critical payment systems.
  • Design and implement infrastructure automation, monitoring, and alerting systems.
  • Collaborate with development and operations teams to build robust CI/CD pipelines.
  • Conduct root cause analyses and postmortems for production incidents.
  • Optimize system performance and resource usage across our Kubernetes clusters and cloud environments.
  • Participate in on-call rotation and proactively improve system observability.


Location

  • The position is available in Zagreb, Croatia, with a hybrid work model.


Qualifications

  • 3+ years of experience in DevOps, SRE, or a related field.
  • Strong knowledge of Linux systems and container orchestration (Kubernetes).
  • Hands-on experience with monitoring tools (Prometheus, Grafana, ELK, etc.).
  • Proficiency in scripting languages (e.g., Bash, Python, or Go).
  • Familiarity with CI/CD tools (e.g., GitLab CI, Jenkins).
  • Strong troubleshooting and incident response skills.


Nice-to-Have

  • Experience with databases (PostgreSQL, SQL Server) and backup strategies.
  • Familiarity with infrastructure as code tools (e.g., Terraform, Ansible).
  • We use HAProxy, so if you’re already familiar with it and want to dig deeper, that’s awesome.
  • Background in fintech or regulated environments.


Why Monri Payments?

  • Real Impact: Work on systems that process millions of transactions monthly.
  • Modern Stack: Join a team building high-availability infrastructure using industry-standard tools.
  • Supportive Culture: Collaborate with dedicated engineers in a friendly, growth-oriented environment.
  • Great Benefits: Opportunities for career advancement, competitive salary, hybrid work model and flexible working hours, annual medical check-up, christmas allowance, gift for a child, meal allowance, Multisport card and PassSport (model 50:50).


If you wish to grow your career with a top-tier team, we’d love to hear from you!

All applications will be considered under the terms and conditions of confidentiality in accordance with the regulations of personal data protection.

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