(Sr.) Backend Developer (Kotlin)

As a Senior Backend Developer at GoodData, you will engage in developing microservices primarily using Kotlin and Spring. Your day-to-day tasks will also involve leveraging Docker for daily development and utilizing Kubernetes in production. You’ll design scalable architectures for managing complex data flows while working closely with a cross-functional team to ensure the delivery of impactful features.

To excel as a Senior Backend Developer at GoodData, you should have extensive experience with Kotlin and Java, and be well-versed in Spring and related frameworks. Additionally, familiarity with containerization technologies like Docker and orchestration tools like Kubernetes is essential. Experience with SQL, particularly Postgres, and an understanding of software design patterns is also important.

GoodData promotes a collaborative environment among its engineering staff, especially in the Feature teams. As a Senior Backend Developer, you will work closely alongside Front-End developers and QA engineers, embracing an agile methodology that encourages open communication and iterative development cycles that showcase the impact of team efforts on end-user features.

GoodData expects a Senior Backend Developer to adhere to high coding standards, emphasizing clean design and best practices in software development. This includes a commitment to test-driven development (TDD), writing clean and maintainable code, and actively participating in discussions surrounding technical direction and process improvements within the team.

GoodData offers a hybrid work model, allowing flexibility in terms of remote work for the Senior Backend Developer position. This approach enables you to collaborate effectively with your team while maintaining a work-life balance that suits your personal needs and preferences.

When answering this question, highlight specific projects where you utilized Kotlin, focusing on how you implemented it for backend services and any unique challenges you faced. Discuss your coding style and adherence to best practices, showcasing your understanding of Kotlin's strengths in building scalable applications.

Explain your approach to writing clean and testable code by mentioning techniques like code reviews, following established style guides, and implementing test-driven development (TDD). Showcase examples where your clean code led to easier maintenance or fewer bugs in production.

Provide details about your experience working with cloud platforms like AWS or Azure, and how you have used Docker or Kubernetes in your projects. Discuss how you ensure that microservices are efficiently deployed and scaled in a cloud environment.

Choose an example that demonstrates your problem-solving skills, particularly in the context of backend development. Discuss the steps you took to diagnose the issue, the solution you implemented, and any lessons you learned that you would apply in future projects.

Discuss your familiarity with SQL, specifically focusing on your experience with Postgres or other relational databases. Mention any complex queries you've written, how you optimized database performance, and how you manage data integrity in your applications.

Describe your experiences working in agile teams, emphasizing the importance of collaboration and communication. Share how you contribute to scrum meetings, how you handle feedback, and the ways you support your teammates to achieve shared goals.

Provide examples of software design patterns you've implemented in previous roles, such as MVC, Singleton, or Factory patterns. Explain how these patterns help in enhancing code maintainability, and scalability, and reducing complexity in your projects.

Discuss your commitment to continuous learning by mentioning resources you use, such as newsletters, webinars, online courses, or attending conferences. Highlight any communities you participate in to share knowledge and stay informed about best practices.

Outline a specific feature you worked on, detailing the problem it solved, your role in the development process, and how you coordinated with team members. Be sure to mention the technologies used and the outcome of the feature for the users.

Share your views on maintaining clear communication channels through tools like Slack, Jira, or video conferencing. Emphasize the importance of setting expectations for availability and regular check-ins to ensure everyone is aligned and engaged.