August 2018 — October 2019: Cloud Consultant at Trusted Shops
Freelance | Cologne
Role & Contributions:
- Led modernization of legacy systems and cloud-native transformation for an e-commerce trust provider.
- Implemented seamless integrations with Salesforce and Zuora for subscription management.
- Designed and implemented serverless solutions leveraging AWS services (Lambda, API Gateway, S3, SQS).
- Established continuous deployment pipelines and comprehensive Terraform modules for AWS resource management.
- Led Pact framework training and implementation to enhance quality assurance across microservices.
Business Impact:
- Successfully modernized legacy systems, reducing maintenance overhead.
- Achieved scalability through microservices architecture on AWS, supporting business growth.
- Prevented integration issues across teams by implementing contract testing.
- Accelerated development through cloud-native CI/CD pipelines and reusable templates.
Key Technologies: AWS (Lambda, API Gateway, EKS, S3, SQS, CloudWatch), Java, Spring Boot, Micronaut, Pact, Terraform, Docker, Twilio, Salesforce, Zuora.