Senior DevOps Engineer (AWS + CDK)

Berlin

Full-time

Permanent employee

Your mission

Working model: Hybrid

countX is a Berlin-based SaaS company that simplifies EU VAT compliance for e-commerce businesses. Our platform automates VAT registration, reporting, and compliance processes, enabling online merchants to expand across Europe with less administrative effort and lower compliance risk.

We’re looking for a DevOps Engineer to own and scale our AWS infrastructure, streamline deployments, and ensure high availability and security across our systems. You’ll be working closely with engineering teams to make our software delivery process fast, reliable, and cost-efficient — all powered by AWS and the AWS CDK.

Responsibilities

Design, maintain, and improve AWS infrastructure using AWS CDK (TypeScript/Python)
Build and maintain CI/CD pipelines (GitHub Actions, CodePipeline, or similar)
Automate deployments, infrastructure provisioning, and operational workflows
Monitor, troubleshoot, and optimize system performance using AWS-native tools (CloudWatch, X-Ray, etc.)
Implement logging, alerting, and observability best practices
Manage networking, security groups, IAM roles, and secrets securely
Drive cost optimization strategies in AWS
Collaborate with developers to improve development-to-production workflows
Participate in on-call rotation and incident resolution

Your profile

5+ years in a DevOps, SRE, or similar role
Strong hands-on experience with AWS services (EC2, ECS/EKS, Lambda, API Gateway, RDS, S3, CloudFront, etc.)
Proven experience with AWS CDK for Infrastructure as Code
Proficiency with CI/CD tools (GitHub Actions, CodeBuild, CodePipeline, etc.)
Good scripting skills (TypeScript, Python, or Bash)
Solid knowledge of Docker and container orchestration (ECS, EKS, or Kubernetes)
Strong understanding of networking, security, and AWS best practices
Experience with monitoring/observability tools (CloudWatch, Prometheus, Grafana, or similar)

Nice to Have

Experience with AWS cost optimization and tagging strategies
Knowledge of serverless architectures (Lambda, Step Functions, EventBridge)
Familiarity with compliance requirements (ISO 27001, SOC 2, GDPR)

About us

At countX, we believe that taxes shouldn’t slow down growth. That’s why we automate processes so entrepreneurs can focus on what really matters – their business.

Behind countX is a dedicated team of experts with personality, passion, and a shared goal: to make taxes across Europe simpler, more transparent, and more efficient.

What unites us is not only our expertise, but also our conviction that collaboration at eye level and modern technologies make the difference. We create solutions that give our customers freedom – and give us the space to grow together.