Senior DevOps Engineer - Cloud Infrastructure

About the Company:

SmartCore is a fintech holding building infrastructure for the next generation of payments. Our solutions cover the entire financial operations cycle — from core banking and processing to cards, wallets, and anti-fraud systems.

Our core area is card acquiring, ensuring high-speed and secure payment processing. Over the past five years, we have built a reliable infrastructure across the EU and CIS, launched our own payment solutions, and continue to grow actively.

We are now looking for a DevOps Engineer to join our team.

The team includes: CTO, CEO, backend and frontend developers, ML specialist, data analyst, QA, and project manager.

Our ideal candidate has the following skills:

Must-have skills:

Infrastructure as Code (IaC):

• Experience with Terraform, CloudFormation, or AWS CDK.
• Ability to write, test, and maintain Terraform modules.
• Understanding of CI/CD approaches for infrastructure management.

Monitoring and Logging:

• Knowledge of AWS CloudWatch (alerts, dashboards, metrics, logs).
• Experience integrating with external tools (e.g., Prometheus, Grafana, Datadog).
• Setting up service performance monitoring, including tracing (AWS X-Ray or equivalents).

Optimization and Performance:

• Ability to analyze and optimize cloud costs (AWS Cost Explorer, Budgets, Trusted Advisor).
• Experience with Auto Scaling (ECS, EKS, EC2).
• Experience configuring Spot and Reserved Instances for cost optimization.

Networking:

• Experience with NAT Gateway, Internet Gateway, VPC Peering, and PrivateLink.
• Experience configuring and optimizing API Gateway and Application Load Balancer (ALB/ELB).

Containerization and Orchestration:

• Experience with Docker.
• Strong understanding of EKS/ECS (including Fargate).
• Skills in setting up network policies and security in Kubernetes.

CI/CD:

• Knowledge of AWS CodePipeline, CodeBuild, CodeDeploy.
• Experience with alternatives (Jenkins, GitLab CI/CD, GitHub Actions).
• Ability to build end-to-end pipelines for deploying backend and frontend applications.

Databases:

• Experience with RDS (Aurora, MySQL, PostgreSQL) and DynamoDB.
• Setup of read replicas, multi-AZ deployments, and backup (snapshot-based recovery).

Automation and Scripting:

• Experience with Python, Bash, or other scripting languages.
• Ability to automate routine tasks (e.g., via AWS Lambda or Step Functions).

Security:

• Deep understanding of IAM (users, roles, policies).
• Experience configuring KMS (data encryption for S3, RDS).
• Skills in configuring AWS WAF and Shield for web application protection.

Configuration Management:

• Experience with Ansible, Chef, Puppet, or similar tools.
• Knowledge of AWS Systems Manager (Session Manager, Parameter Store, Run Command).

Soft Skills:

Incident Management:

• Ability to troubleshoot production issues and conduct post-mortems.
• Root cause analysis skills.

Team Collaboration:

• Experience mentoring junior engineers.
• Ability to collaborate with developers to optimize CI/CD pipelines.

Architectural Thinking:

• Ability to design fault-tolerant and scalable solutions.
• Understanding of AWS Well-Architected Framework best practices.

Language:

• Fluent in Russian (B2 or higher) — required for daily communication within the team.

What we offer:

• Opportunity to gain experience in a large holding with its own infrastructure;
• Support and assistance with relocation (EU — Spain, Barcelona);
• Freedom in decision-making;
• Scrum-like project organization;
• Full-time, flexible schedule, remote work;
• Chance to be part of a project from its early stages;
• Lots of architecture design and new development.

Feel free to apply directly via LinkedIn or by sending your CV to stanislav.pavlov[@]smartcore.pro — if you’re ready for serious architectural challenges and want to build a product you can be proud of!