Senior DevOps/DevSecOps Engineer

Summary

Join Shift4, a leader in commerce-enabling technology, and become a DevSecOps/AWS Engineer for our online card payment system. You will design, implement, and secure AWS cloud architectures, develop CI/CD pipelines, and perform threat modeling and vulnerability assessments. This role requires at least 6 years of DevOps or DevSecOps experience and 4 years of experience with AWS infrastructure. You will ensure PCI DSS compliance and collaborate with international teams. The position offers remote work with flexible hours, a modern office in Wrocław (optional), and opportunities for professional development within a disruptive fintech environment.

Requirements

• At least 6 years of hands-on DevOps or DevSecOps experience (level dependent on project team’s autonomy)
• Minimum of 4 years experience specifically designing, implementing, and maintaining secure AWS infrastructure solutions
• Broad knowledge of AWS services with the ability to identify and implement secure, optimal solutions
• Solid understanding of security principles and best practices , including infrastructure hardening, incident response, IAM, and network security
• Long-term commitment —we build a bold team ready to grow, tackle challenges, and celebrate milestones together
• Willingness to take accountability and ownership of security and operational outcomes
• Excellent problem-solving skills, particularly in proactively identifying and addressing security risks and operational issues early
• Strong communication , documentation, and collaboration skills, particularly around security topics
• Fluency in Polish and English, with experience working with teams both from Poland and internationally

Responsibilities

• Working as DevSecOps/AWS Engineer for an online card payment system that processes millions of transactions daily for 1000+ merchants across 160 currencies, achieving 99.995% uptime
• Designing, implementing, and securing AWS cloud architectures
• Developing, configuring, and maintaining infrastructure as code (IaC) based on CloudFormation/CDK with security best practices embedded
• Designing and implementing secure CI/CD pipelines with integrated vulnerability scanning and compliance checks
• Performing continuous threat modeling, vulnerability assessments, and implementing mitigation strategies
• Consulting on, planning, and ensuring the ongoing security and PCI DSS compliance of new and existing projects
• Conducting detailed postmortem analysis, implementing security-oriented countermeasures, and proactive improvement actions
• Preparing the organization for successful PCI compliance audits through robust security controls and evidence management

Preferred Qualifications

• Familiarity with PCI DSS standards and compliance practices
• AWS Security Specialty Certification or similar cybersecurity certifications

Benefits

• Remote work with flexible hours (B2B contract)
• Modern office in the center of Wrocław if needed
• Independent position with effective onboarding process and opportunity for mastering new skills and gaining knowledge of the international fintech security standards
• Cooperation with a team of highly trained specialists familiarized with technology and innovative products
• In the long-term perspective, participating in the DevOps/cloud engineering team extension
• Unlimited career potential in disruptive fintech environment where traditional finance meets the new technology