Senior Backend Engineer - Trust and Safety - Fraud Team (w/m/d)

As a Senior Backend Engineer at AVIV within the Trust and Safety Fraud Team, your primary responsibilities will include designing and implementing scalable backend systems and RESTful APIs, optimizing performance, and collaborating with Data Engineers and Data Scientists. You'll also be involved in code reviews, ensuring coding best practices, and continuously improving data flow and system reliability.

To qualify for the Senior Backend Engineer role at AVIV, candidates should have solid experience in software engineering, proficiency in modern programming languages (Python or TypeScript are preferred), and experience with microservices or event-driven architectures. Strong problem-solving, communication skills, and a proactive attitude are also essential for success in this role.

In the Senior Backend Engineer position at AVIV, you'll work with a variety of technologies including AWS services such as Lambda and API Gateway, alongside programming languages like Python and TypeScript. Familiarity with APIs, data solutions, and tools like Docker and Terraform will also be beneficial as you develop and maintain our backend infrastructure.

The Senior Backend Engineer role is crucial to AVIV's fraud prevention strategy as it involves building and optimizing backend systems that support fraud detection and prevention initiatives. By collaborating with the Fraud Team and integrating algorithms into the backend, you help ensure secure communication and effective monitoring of fraud-related activities.

Yes, AVIV offers a hybrid working model for the Senior Backend Engineer position. This means you can work both remotely and on-site in Berlin or Nüremberg, providing flexibility to balance your professional and personal life while being part of an innovative team.

When answering this question, focus on specific projects where you've designed or improved backend systems. Highlight the technologies used, considerations for scalability and security, and how your work impacted the overall project. Make sure to express your understanding of the needs for fraud prevention.

In your response, discuss your approach to code reviews. Explain that you check for both functionality and adherence to best practices, such as code readability, modular design, and documentation. Mention any tools or methods you prefer for facilitating constructive feedback among team members.

Emphasize the importance of communication and teamwork. Share examples of past collaborations, detailing how you ensure alignment on goals and value interdisciplinary insights. Discuss any tools (like Jupyter or Git) you use to facilitate this collaboration.

Explain that you assess various factors such as database queries, cache mechanisms, and the architecture's complexity. Discuss tools you might use for benchmarking and monitoring, and how you apply that data to make informed adjustments.

Share your learning strategy, whether it involves online courses, hands-on projects, or community involvement. Illustrate your adaptability and curiosity by mentioning any recent technologies you learned and how they contributed to your skills.

Provide a clear and structured example. Begin with the context, describe the problem, your approach to solving it, and the final outcome. Highlight your problem-solving skills and ability to tackle complexity—important traits for the Senior Backend Engineer role.

Mention essential elements such as clear documentation, version management, and security protocols. Discuss how you ensure APIs are intuitive for frontend developers and maintainable for future enhancements, aligning with AVIV's goals.

Discuss an analytical approach; perhaps you would evaluate the current systems' effectiveness and identify gaps. Illustrate your process for integrating new algorithms or technologies that could strengthen fraud prevention, aligning with AVIV's innovative ethos.

Share specific projects where you've utilized AWS features relevant to backend development. Discuss your familiarity with various AWS services such as Lambda, DynamoDB, and S3, and how they've supported your backend strategies.

Describe your prioritization process, which might involve assessing project impact, deadlines, and team discussions. Explain how you ensure that both individual and team objectives are met while maintaining quality standards.