DevOps Engineer – FinTech, Payments

SUNDAZE Digital

. Maintain and develop FinTech infrastructure, ensuring the stability, availability, performance, and security of critical payment services .

Posted 10/9/2026full-timeRemote • SpainJuniorMid-LevelWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in maintaining and developing FinTech infrastructure with a focus on stability, performance, and security. Proficient in automation, configuration management, and compliance with industry standards such as PCI DSS.

Highest-signal resume keywords

DevOps EngineeringLinux AdministrationInfrastructure as Code (IaC)Cloud Platform Experience (AWS, GCP, Azure)Containerization Technologies (Docker, LXC)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Linux AdministrationNetworking FundamentalsContainerizationMySQL ManagementPostgreSQL ManagementMongoDB ManagementShell ScriptingPython ScriptingTerraformAnsible

Soft Skills

Troubleshooting SkillsCollaborationIndependent Work

Tools & Technologies

NginxPHP-FPMRabbitMQRedisELK StackZabbixGrafanaPrometheusSentry

Industry Keywords

FinTechInfrastructure SecurityPCI DSS ComplianceIncident ManagementOperational Support

Tech Stack

Tools & technologies

AnsibleAWSAzureCloudDockerGoogle Cloud PlatformGrafanaLinuxMongoDBMySQLNGINXPHPPostgresPrometheusPythonRabbitMQRedisTerraformUnix

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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

Benefits

Comp & perks

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