Senior DevOps Engineer (AWS & Data Infrastructure)

What you'll do:

• Own and improve AWS production infrastructure: availability, security, scalability, and performance;
• Automate infrastructure with Terraform and Ansible;
• Build and improve CI/CD pipelines and deployment processes;
• Manage Linux systems, networking, and load balancers/reverse proxies (nginx, HAProxy);
• Improve monitoring, logging, and alerting;
• Handle production incidents, perform root cause analysis, and prevent recurrence;
• Help design and operate our new DWH on ClickHouse and Amazon Kinesis;
• Strengthen disaster recovery, backups, and capacity planning;
• Optimize AWS costs without compromising reliability;
• Work closely with development and security teams on architecture.

Job Requirements:

Must Have

• 5+ years in DevOps, SRE, or infrastructure roles managing production environments;
• Strong Linux administration, including troubleshooting and performance tuning;
• Hands-on AWS experience (EC2, VPC, IAM, RDS);
• Experience with Terraform and/or Ansible;
• Solid networking knowledge: TCP/IP, DNS, routing, VPN, TLS;
• Strong knowledge of nginx, reverse proxies, and load balancing;
• Experience building CI/CD pipelines;
• Experience with Prometheus, Grafana, or similar tools;
• Scripting in Bash and/or Python;
• Understanding of infrastructure security, high availability, and disaster recovery;
• Proven ability to troubleshoot complex production issues;
• Ownership mindset and ability to design and deliver solutions independently.

Nice to Have

• Experience deploying, operating, or optimizing ClickHouse;
• Familiarity with Amazon Kinesis, Apache Kafka, or other streaming technologies;
• Experience supporting data warehouses, ETL/ELT pipelines, or real-time data platforms;
• Experience with Oracle Database, PostgreSQL, or Redis;
• Familiarity with SRE practices, including SLI/SLO definitions, incident management, and capacity planning;
• Knowledge of security and compliance requirements in fintech, particularly PCI DSS;
• Experience designing highly available, fault-tolerant, or multi-region AWS architectures.

What we offer:

• Meaningful challenges: Work on production payment infrastructure where reliability, security, and performance truly matter;
• Real ownership: Influence infrastructure architecture, engineering practices, and technology decisions, and drive improvements you believe in;
• New projects: Help build our next-generation data platform on ClickHouse and Amazon Kinesis;
• Strong team: Work with engineers who value clean solutions and automation;
• Flexible terms: Working format and compensation are discussed individually.