DaoPay is a fast-growing international FinTech company providing innovative payment solutions worldwide – from API-based services to carrier billing.We are seeking askilled DevOps/Kubernetes/Linux Engineerwith PostgreSQL expertiseto join our engineering team. The ideal candidate will havehands-on experience managing Linux-based infrastructure, Kubernetes clusters, and standalone PostgreSQL database installations in on-premises and hybrid environments.You will be responsible for ensuring the reliability, scalability, and security of both our containerized workloads and mission-critical database systems.Key Responsibilities:Design, build, and maintain Kubernetes clusters (on-premises or cloud).Manage and optimize Linux-based infrastructure across development, staging, and production environments.Install, configure, and maintain standalone PostgreSQL databases in on-premises environments, including: High availability (replication, clustering, failover), Performance tuning and query optimization, Backup, recovery, and disaster recovery planning, Security hardening and access control.Integrate PostgreSQL with Kubernetes and containerized applications when required.Develop and maintain CI/CD pipelines to automate application deployments and infrastructure provisioning.Implement and manage infrastructure as code (IaC) using Terraform, Ansible, or Helm.Establish and maintain monitoring, logging, and alerting systems (e.g., Prometheus, Grafana, ELK/EFK stack) for both Kubernetes clusters and PostgreSQL.Troubleshoot and resolve infrastructure, container, and database-related issues to ensure high availability.Collaborate with development teams to optimize application and database performance.Participate in on-call rotation and contribute to incident response and root cause analysis.Required Qualifications:Experience in DevOps, Site Reliability Engineering (SRE), or Systems Engineering roles.Strong expertise in Linux administration (Debian, or similar).Hands-on experience with Kubernetes deployment, scaling, and operations.Experience managing PostgreSQL in standalone, on-premises installations.Familiarity with containers (Docker) and microservices architectures.Proficiency with CI/CD tools such as Jenkins, GitLab CI, ArgoCD, etc.Strong knowledge of infrastructure as code (Terraform, Ansible, Helm, etc.).Experience with cloud platforms (AWS, GCP, or Azure).