Senior DevOps Engineer (AWS + CDK)

countX GmbH; Berlin; Hybrid; EUR 90.000 - 120.000; Vollzeit

Zusammenfassung

countX GmbH, a Berlin-based SaaS company simplifying EU VAT compliance for ecommerce, is seeking a DevOps Engineer to own and scale AWS infrastructure. You will streamline deployments and ensure high availability and security across our platform.

You'll collaborate with engineering teams to accelerate software delivery using AWS CDK, CI/CD pipelines, and modern observability practices while driving cost efficiency and secure operations across Europe.

Qualifikationen

• 5+ years in DevOps, SRE, or related role.
• Proven AWS infrastructure experience (EC2, ECS/EKS, Lambda, API Gateway, RDS).
• Strong scripting and IaC experience with AWS CDK and CI/CD tools.

Aufgaben

• Design and maintain AWS infrastructure using AWS CDK (TypeScript/Python).
• Build and maintain CI/CD pipelines (GitHub Actions, CodePipeline, or similar).
• Automate deployments and provisioning of infrastructure.
• Monitor and optimize system performance with AWS tools.
• Implement logging, alerting, and observability best practices.
• Manage networking, IAM roles, and secrets securely.
• Drive cost optimization in AWS.
• Collaborate with developers to improve dev-to-prod workflows.
• Participate in on-call rotation and incident resolution.

Kenntnisse

DevOps fundamentals

AWS services

CI/CD pipelines

Scripting

Networking & security

Observability

Collaboration with developers

Tools

AWS CDK

GitHub Actions

CodePipeline

CodeBuild

Docker

Kubernetes

CloudWatch

X-Ray

Jobbeschreibung

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)

• 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)