Site Reliability Engineer (Front-end focused)

Vilnius or Kaunas


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The Frontend team is in charge of making sure that the visual elements of a website or mobile app are functional. To create an exceptional user experience, we think from the client's perspective and incorporate UI/UX design. Our expertise helps us come up with world-leading solutions. 

Main Responsibilities

  • Reliability and Performance:
  • Monitor and maintain the health, uptime, and performance of high-traffic websites.
  • Implement and manage service level objectives (SLOs) and service level agreements (SLAs).
  • Development and Operations:
  • Develop, deploy, and manage frontend applications using modern frontend stacks (e.g., Astro, React, Node.js)
  • Collaborate with development teams to ensure smooth and reliable operation of software and systems
  • Collaborate with the security team to prevent and fix security vulnerabilities.
  • Infrastructure and Scaling:
  • Design, implement, and manage scalable infrastructure using Kubernetes.
  • Monitoring, troubleshooting, incident management, and conducting post-incident reviews.
  • Collaboration and Continuous Improvement:
  • Work closely with cross-functional teams to improve system reliability and developer productivity.
  • Identify and implement best practices for reliability engineering and front-end development.

Core Requirements

  • General knowledge of modern frontend stacks such as Astro, React.
  • Experience with high-traffic websites and performance optimization techniques.
  • Good knowledge of Kubernetes for container orchestration and management.
  • Hands-on experience with Gitlab CI/CD for continuous integration and deployment.
  • Experience with monitoring and visualization tools such as Grafana.
  • Proven experience as a Site Reliability Engineer or in a similar role.
  • Background in managing and scaling high-traffic, user-facing applications.
  • Knowledge of Cloudflare services and optimization techniques is a significant plus.
  • Strong problem-solving skills and the ability to troubleshoot complex systems.
  • Excellent communication and collaboration skills.
  • Ability to work in a fast-paced, dynamic environment.

Tools You Will Use

  • Kubernetes
  • Docker
  • Gitlab
  • CI/CD
  • Astro / React 

Salary Range

  • Gross Salary 3150 - 6950 EUR/Month.

Data Handling

Kindly refer to our Privacy Notice for Recruitment Candidates for comprehensive information regarding our data handling procedures throughout recruitment processes.

After you apply

Our recruitment process differs depending on specific positions and/or hiring teams. However, it tends to include the following three main stages and usually doesn’t exceed any more than five steps.

Step 1.

Get to know

The goal of the first step is to get to know each other better. So during that, we talk more about the role and ask you to share your story.

Step 2.

Technical evaluation

We test each applicant's technical knowledge and problem-solving ability through various assessments.

Step 3.

Meet the team

The final step is for you to meet the team, discuss your task, and dig deeper into the role you’re applying for. If everyone’s happy with the result, the closing step will be the offer.

We Offer

Apply now


Nord Security is committed to building an inclusive workplace with a diversity of backgrounds. We welcome applications from people of all ages, gender identities, sexual orientations, racial identities, ethnicities, religious beliefs, and disability statuses. To reduce the chance of unconscious bias, you may submit your CV without a photograph or other redundant information like age or marital status.

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Find out why our employees choose Nord Security

Nord Security is a world-leading cybersecurity solutions provider. We aim to shape a more trusted and peaceful online future for people everywhere. To achieve this goal, we’ve built a like-minded community of over 1000 cybersecurity and tech experts driven by Nord values. And we’re always looking to expand our team of: