DaoPay is a fast-growing international FinTech company providing innovative payment solutions worldwide – from API-based services to carrier billing.

We are seeking a skilled DevOps/Kubernetes/Linux Engineer with PostgreSQL expertise to join our engineering team. The ideal candidate will have hands-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). <<< Eventual not necessary.
• Strong troubleshooting and problem-solving skills in distributed systems.

Preferred Qualifications:

• PostgreSQL certifications (EDB, PostgreSQL DBA, or equivalent).
• Kubernetes certifications (CKA, CKAD, or CKS).
• Experience with stateful PostgreSQL workloads inside Kubernetes.
• Familiarity with service meshes (Istio, Linkerd) and API gateways.
• Experience with programming/scripting (Bash, Python, etc.).
• Understanding of DevSecOps principles, security compliance, and auditing.

Soft Skills:

• Strong ownership of database and infrastructure reliability.
• Excellent communication and collaboration across teams.
• Ability to document and standardize operational procedures.
• Analytical mindset and proactive approach to problem-solving.

What We Offer:

• Competitive salary and benefits package.
• Opportunity to work on cutting-edge Kubernetes and PostgreSQL environments.
• A collaborative team culture with knowledge-sharing at its core.
• Training and certification support for professional growth.