Backend Developer with Focus AWS/REST

Project overview

Our client from the financial sector requires external support in the following environment:

The client's mobile app offers users simple and secure digital access to their personal information and services. It enables user-friendly mobile use to better understand and keep track of their own situation.

Please provide an assessment on a scale of 0 to 3 (0 = no knowledge, 1 = basic knowledge, 2 = good knowledge, 3 = expert knowledge) in your application/response to our request. Please add the respective number after the requested skill:

Technologies:

DynamoDB Very good knowledge

Lambda Very good knowledge

Eventbridge + SNS/SQS Very good knowledge

CDK Good knowledge

Serverless architectures on AWS Good knowledge

React Good knowledge

Programming languages:

Typescript Very good knowledge

Tools:

Git Good knowledge

github+actions Good knowledge

Languages:

German Very good knowledge

English Very good knowledge

Additional:

Experience with Apple / Google Store API good knowledge

• Implementation and optimization of cloud-native architectures
• Understanding of distributed systems, AWS serverless architectures, and microservices
• Integration and use of AWS services such as Lambda, DynamoDB, API Gateway, CloudFormation, among others
• Ensuring code quality, scalability, and performance
• Knowledge in CI/CD, testing, and security in the cloud environment
• Technical consulting within the team
• Good communication skills and team spirit – experience with Mobile BFFs, Auth0, transaction-related systems, and external API integrations is an advantage.
• e.g., "Dynamo DB
• must have (3)". Our client requires this skill matrix for initial screening. Profiles without a completed skill matrix cannot be considered.

Project details

• Start: 2026-10
• Duration: 6 Monate
• Remote: remote
• Location: Wiesbaden, Deutschland, DE
• Languages: German