DevOps Engineer (Middle+ / Senior) (вакансія неактивна)

Flexifai is an AI-driven payment platform (PSP) serving both high-risk and traditional industries. We process millions of transactions through 80+ payment methods, including cryptocurrency, across Africa, Europe, and LATAM. Our platform is built on a scalable microservices architecture with a strong focus on security, automation, and high availability.

Our team of 80+ professionals works in a hybrid format from offices in Kyiv, Lisbon, Limassol, and London, as well as remotely across the globe.

Role Mission

• Build, automate, and maintain the infrastructure that powers Flexifai’s payment platform.
• You’ll be responsible for ensuring high availability, secure deployments, reliable CI/CD processes, and scalable cloud infrastructure while working closely with engineering teams to deliver new features quickly and safely.
• Your success will be measured by infrastructure stability, deployment reliability, automation level, and operational efficiency.

We’re looking for someone who:

• takes ownership of production infrastructure;
• works independently and proactively;
• writes clear technical documentation;
• understands the business impact of infrastructure decisions;
• enjoys solving complex technical challenges;
• continuously looks for opportunities to automate and improve existing processes.

Key Responsibilities

• Maintain and improve production and staging infrastructure.
• Design, build, and optimize CI/CD pipelines.
• Automate infrastructure provisioning using Infrastructure as Code.
• Manage secrets and configuration securely.
• Improve monitoring, logging, and alerting systems.
• Ensure infrastructure reliability, scalability, and security.
• Support engineering teams with deployment automation and cloud best practices.
• Maintain technical documentation and operational standards.

Required Skills

• Strong experience with Docker, Docker Swarm, and Portainer.
• Hands-on experience with AWS (ECR, IAM/STS, S3, VPC).
• Experience with Terraform or OpenTofu.
• Strong knowledge of GitHub Actions, including reusable workflows, self-hosted runners, and OIDC.
• Experience with HashiCorp Vault or OpenBao.
• Experience using Ansible.
• Excellent knowledge of Git, including submodules and CI/CD migration.
• Practical experience supporting PostgreSQL, Redis, and Kafka in production.
• Experience building monitoring and alerting solutions using Grafana.

Nice to Have

• Kubernetes.
• Experience working in fintech or payment processing.
• Understanding of PCI DSS requirements.
• Experience with SAST / DAST.
• Knowledge of Supply Chain Security best practices.

What We Offer

• Opportunity to work on a fast-growing international fintech product.
• Modern cloud-native technology stack.
• High level of technical ownership and influence.
• Remote-first culture with flexible working hours.
• Competitive compensation.
• Paid vacation and sick leave.
• Professional growth in an experienced engineering team.
• International environment with ambitious product goals.

If you’re passionate about cloud infrastructure, automation, and building highly reliable systems, we’d love to hear from you.