Senior DevOps Engineer

About the role

Greencastle Digital, a company in the betting and gaming industry with a newly established Development Centre in Belgrade, is looking for an experienced Senior DevOps Engineer. You will design, build and maintain the infrastructure and automation behind its betting and gaming platforms, focusing on CI/CD pipelines, monitoring and environment consistency, working closely with developers, QA engineers and product managers. The position reports to the Development Manager and follows a hybrid pattern of 2/3 days a week on site.

Key responsibilities

• Build and maintain infrastructure using Terraform, Ansible or AWS CDK, ensuring repeatable, secure and scalable deployments.
• Develop, enhance and maintain CI/CD pipelines (Azure DevOps, Jenkins, GitLab CI).
• Set up monitoring, logging and alerting with CloudWatch, ELK, Prometheus/Grafana or similar.
• Integrate security practices into pipelines and manage access controls in line with regulatory standards.
• Keep development, staging and production environments consistent.
• Partner with developers, QA, product managers and architects, and propose improvements to boost efficiency and developer productivity.

Required profile

• 5+ years of DevOps engineering experience.
• Proven experience mentoring engineers and driving cultural adoption of DevOps practices.
• Effective communicator with strong stakeholder management skills.
• Nice to have: experience with betting or gaming platforms, multi-tenant architectures and regulatory compliance, and familiarity with performance testing and capacity planning.

Required skills

• AWS core services
• Infrastructure as code: Terraform, Ansible, CloudFormation
• CI/CD tools: Azure DevOps
• Containers and orchestration: Docker, EKS/ECS
• Monitoring and logging: CloudWatch, ELK, Prometheus, Grafana, New Relic

What we offer

• An innovative environment in a newly established Development Centre.
• Opportunities for continuous learning and career growth.
• A collaborative culture that values knowledge sharing.
• A flexible hybrid work model.

To apply, submit your resume and a cover letter explaining your relevant experience and interest in joining the company.