Qureos

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Senior DevOps/SRE Engineer

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Responsibilities:

• Deploy, monitor, troubleshoot, and maintain Web3 wallet production environments.

• Manage and maintain cloud infrastructure with a focus on AWS to ensure high availability and reliability, experience with GCP and Azure is a plus.

• Configure and manage containerized environments using Docker, Kubernetes/ECS/EKS, and related tools for cluster management and automated deployment.

• Monitor logs, performance, and system health using Prometheus, Grafana, Loki, Tempo, OpenTelemetry, Dozzle and CloudWatch to proactively detect and resolve issues.

• Operate and maintain blockchain nodes (Ethereum, Tron, custom chains) ensuring uptime, sync, and transaction reliability.

• Collaborate with development teams to ensure smooth execution of CI/CD processes.

• Optimize backend and API reliability, including health checks, load balancing, fault isolation, and multi-port service troubleshooting.

• Manage centralized configuration using Apollo and AWS AppConfig, enabling dynamic updates without downtime.

• Implement automation and DevOps practices using CI/CD pipelines (GitHub Actions, TeamCity, Jenkins), Infrastructure as Code (Terraform), and automated service recovery.

• Ensure operational security for backend services, secure container configurations, and secrets management.

• Design and maintain networking and load management, including port mapping, TCP routing, API gateways, AWS ALB, Auto Scaling Groups, and Bastion hosts.

• Conduct troubleshooting, root cause analysis, runbooks, and postmortems for incidents affecting containers, databases, or blockchain nodes.

• Conduct regular disaster recovery drills and backups to ensure data integrity and system resilience.


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