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)

Über uns

Wir bei countX sind überzeugt: Steuern sollten Wachstum nicht bremsen. Deshalb automatisieren wir Prozesse, damit sich Unternehmer:innen auf das Wesentliche konzentrieren können – ihr Business.

Hinter countX steht ein engagiertes Team aus Expert:innen mit Persönlichkeit, Leidenschaft und einem gemeinsamen Ziel: Steuern europaweit einfacher, transparenter und effizienter zu machen.

Was uns verbindet, ist nicht nur unser Know-how, sondern auch die Überzeugung, dass Zusammenarbeit auf Augenhöhe und moderne Technologien den Unterschied machen. Wir schaffen Lösungen, die unseren Kund:innen Freiheit geben – und uns selbst den Raum, gemeinsam zu wachsen.