Senior AWS Cloud SaaS Solution Developer

We are a growing Potsdam/Germany-based startup operating a distributed microservices platform used by 10+ customers across Europe. Our 10-person engineering team builds and operates a modern AWS-based SaaS solution. This role strengthens our cloud foundation to support customer growth, continued reliability, and developer productivity.

Role Overview

As Senior AWS Cloud SaaS Solution Developer, you will make significant contributions to and be a leading brain for architecture, automation, and operations of our AWS environment. You will work hands‑on with IaC, serverless, networking, observability, and security, and help drive our cloud strategy in a pragmatic, startup‑friendly way.

Key Responsibilities

• Design and maintain AWS infrastructure for distributed microservices (ECS, Lambda, API Gateway, RDS, DynamoDB, S3, Athena, CloudWatch, …).
• Further reliability, scalability, monitoring, and security across production systems.
• Review and evolve CDK modules, IaC testing, drift detection, and automation standards.
• Maintain and optimize GitHub Actions and the entire CI/CD pipelines including AWS CodeBuild, CodePipeline etc.
• Review and advance metrics, logs, tracing, dashboards, alarms, and runbooks.
• Further develop IAM, secrets management, KMS, VPC design, and security best practices.
• Support other developers and help define architectural standards.
• Be a main contributor to the SOC II/ISO 27001 certification for the service.

Requirements

• 6+ years software/cloud engineering, 3+ years AWS production experience.
• Strong skills in AWS core services, CDK, ECS, CI/CD, observability, and networking.
• Scripting with TypeScript.
• Microservices cloud architecture with Node.js
• Strong communication, collaboration and ownership mindset suitable for a small team.

Nice to Have

• Startup experience.
• Experience with B2B enterprise cloud applications including integration to customer backend systems.
• Relevant AWS certifications (AWS Certified Solutions Architect or DevOps Engineer)
• Deep understanding of Node.js runtime, event loop, and asynchronous programming model
• Proficiency with frameworks like NestJS, Express, or Fastify
• Strong grasp of OOP fundamentals
• Experience with event-driven architecture.

What We Offer

• Well financed, fast-growing SaaS solution provider with leading international customers.
• State of the art AWS cloud infrastructure setup with strong scalability and performance characteristics
• High-impact role in a small, experienced engineering team.
• Training budget and AWS certification support.
• Opportunity to shape architecture as we scale.