DevOps Engineer – FinTech, Payments

• Maintain and develop FinTech infrastructure, ensuring the stability, availability, performance, and security of critical payment services
• Implement and improve configuration management for new and existing services using industry best practices
• Support application deployments and releases, working closely with development and QA teams
• Ensure the availability, integration, and performance of tools used throughout the software development lifecycle
• Provide daily operational support for production systems and business-critical services
• Investigate production incidents, perform root cause analysis (RCA), and implement preventive measures
• Improve monitoring, logging, and alerting systems to ensure infrastructure reliability
• Automate infrastructure operations using scripting and Infrastructure as Code (IaC) tools
• Contribute to infrastructure security and compliance with PCI DSS requirements
• Explore opportunities to leverage AI/LLM tools to improve DevOps automation and operational efficiency
• Work closely with development teams to build a scalable and reliable payment platform

• 2+ years of experience as a DevOps Engineer, Linux System Administrator, or Site Reliability Engineer (SRE) in a production environment
• Strong knowledge of Linux administration (Debian, Ubuntu, CentOS, or similar distributions) and Unix-like operating systems
• Solid understanding of networking fundamentals, the OSI model and network troubleshooting
• Hands-on experience with containerization and virtualization technologies, including Docker, LXC, and KVM/QEMU
• Experience managing MySQL/Percona, PostgreSQL, and MongoDB, including performance tuning, replication, and high availability
• Experience with at least one major cloud platform: AWS, GCP, or Azure
• Familiarity with Nginx, PHP-FPM, RabbitMQ, Redis, and the ELK stack
• Experience with monitoring and logging tools, such as Zabbix, Grafana, Prometheus, Sentry, and ELK
• Strong troubleshooting and system diagnostics skills
• Experience with Shell/Python scripting for infrastructure automation
• Hands-on experience with Terraform, Ansible, or other Infrastructure as Code tools
• Experience in incident management and on-call rotations
• English proficiency sufficient to work with technical documentation
• Ability to work independently and collaborate effectively with development teams
• Employment through Ukrainian private entrepreneur (FOP) arrangement

• 21 days of paid annual leave and national public holidays
• 100% paid sick leave
• Medical insurance after the probation period
• Professional development support, including courses, certifications, and training
• Compensation for foreign language learning when relevant to the role
• Participation in industry conferences, events and meetups
• Access to an electronic library
• Regular performance reviews
• Modern equipment for work
• Team-building activities and internal interest-based communities
• Competitive compensation based on experience and qualifications