Full-time Backend Developer (f/m/d)
VAARHAFT
Hamburg · Onsite · Full Time
Posted
Job description
VAARHAFT is a young startup that deals with the authentication of digital media. In an age of publicly accessible generative AI, creating deepfakes has become child's play, meaning that the authenticity of digital images and videos can no longer be blindly trusted. Our mission is to preserve the credibility of digital media and protect companies from fraud involving manipulated images, videos, or documents with our solutions. We are active in all industries where the credibility of digital images is essential. Among other things, we prevent image-based insurance fraud and uncover document forgeries in the banking sector. As a Backend Developer (f/m/d), you will play an important role in direct product development and work at the heart of VAARHAFT to realize our vision. You will work on our main product, the “Fraud Scanner,” ensure the smooth live operation of the API, and continuously develop it further. If you want to contribute your motivation and innovative ideas for the protection of credible digital media, you've come to the right place. Earliest Start Date: December 1st, 2026 Tasks Your Tasks: Development and maintenance of backend components and systems using Python. Administration and maintenance of AWS infrastructures, including EC2 instances, API gateways, VPC, S3, and DynamoDB. Containerization of applications with Docker and administration of Docker environments. Testing and debugging to ensure high software quality and performance. Support with troubleshooting and providing technical solutions. Requirements Your qualifications: Bachelor's degree in computer science, software engineering, or a related field. At least 1 to 2 years of proven experience as a backend engineer or in a similar role with a focus on developing scalable web applications or platforms. Very good knowledge of one or more programming languages, such as Python, Shell, Terraform, Flutter. Proficient in AI application layers (e.g., Gemini, ChatGPT, Cursor, Claude-Code, Codex, Gemini-CLI). Knowledge of SQL databases such as PostgreSQL or MySQL and NoSQL databases such as DynamoDB. Initial experience working with AWS services such as EC2, DynamoDB, and API Gateway. Problem-solving and analytical thinking skills. Ability to quickly learn new technologies and stacks. Excellent communication and teamwork skills and the ability to collaborate effectively with cross-functional teams.…