Data Engineer

As a Junior Data Engineer at Knorex, you will develop and maintain data processing pipelines using Apache Spark, write clean and maintainable code, and participate in code reviews. Your role will also include troubleshooting data pipeline issues, contributing to continuous improvements of our data infrastructure, and documenting technical processes. This position allows you to grow through structured mentorship while facing exciting data challenges.

To apply for the Junior Data Engineer position at Knorex, candidates should have at least one year of experience in similar roles and a Bachelor's degree in Computer Science, Engineering, or a related technical field. Proficiency in Java programming is essential, as well as a basic understanding of data processing concepts and familiarity with database systems. Eagerness to learn and adapt to new technologies will be highly valued.

In the role of Junior Data Engineer at Knorex, you will primarily work with Apache Spark for developing data processing pipelines. Additionally, you'll gain exposure to distributed computing environments, database systems (both relational and NoSQL), as well as version control systems like Git, greatly enhancing your technical skill set.

At Knorex, Junior Data Engineers can look forward to significant growth opportunities. The structured mentorship program ensures that you receive guidance from experienced team members. You will also have ample opportunities to propose your ideas, working on various projects across countries, and to continually learn new technologies that advance your career.

Knorex offers a competitive salary, a quarterly bonus scheme, and comprehensive health insurance coverage to its Junior Data Engineers. You will receive a Macbook to facilitate your work, alongside a personal development fund for courses and materials, allowing you to expand your knowledge and skills while working in a dynamic environment.

When answering this question, highlight any previous roles where you developed or maintained data pipelines. Describe specific tools or technologies you used, such as Apache Spark, and any challenges you encountered while building or troubleshooting these pipelines.

Mention your proficiency in Java, as it's essential for the Junior Data Engineer role at Knorex. If you have experience with Scala or other languages, share that as well, explaining why you find them suitable for data engineering tasks.

Focus on a specific example that illustrates your problem-solving skills. Describe the problem, the steps you took to resolve it, and the outcome, showcasing your analytical thinking and creativity in approaching challenges.

Discuss your coding practices, stressing the importance of writing clean, understandable code and including comments for clarity. Mention tools or methodologies you use for documentation that will help others in the team understand your work.

Showcase your understanding of Apache Spark by explaining its fast processing capabilities and its ability to handle large-scale data sets seamlessly. Talk about its features like in-memory computing and its usefulness in handling both batch and real-time data processing.

Explain your troubleshooting process, emphasizing your ability to identify and isolate the root cause of the issue. Talk about tools and strategies you use for monitoring and analyzing the pipelines to ensure their reliability.

Mention your commitment to continuous learning, whether through online courses, reading industry publications, participating in forums, or attending meetups and conferences. This reflects your eagerness to adapt to evolving technologies in the field.

Refer to your experience with tools like Git for version control and discuss any project management tools such as JIRA or Trello that you’ve used to track progress and collaborate with your team effectively.

Explain the differences between relational and NoSQL databases, touching on when it would be appropriate to use each. Share any experiences you've had working with both types of databases in data engineering projects.

Express your interest in Knorex’s innovative approach to advertising technology. Highlight specific values from their culture that resonate with you, such as their emphasis on collaboration, mentorship, and the opportunity to work on diverse projects that can enhance your skills.