Software Engineer

As a Software Engineer at GfK, your key responsibilities will include developing back-end systems under Linux using C++ and Python, and working on Windows tools using C#. You'll also need to ensure that our systems run 24/7 and provide third-level support. In addition, you will be involved in the migration and orchestration of our existing platforms to AWS, making a significant impact on our technology stack.

To qualify for the Software Engineer role at GfK, you should have over 5 years of commercial software development experience, particularly in C++ and Python. A strong background in test-driven development and AWS services is also essential. Familiarity with database development, including MongoDB and MySQL, as well as experience in both Linux and Windows environments will make your application stand out.

Yes, GfK values work-life balance and provides flexible working hours for Software Engineers. We understand the importance of personal commitments and strive to support our employees in managing their time effectively while contributing to our goals.

As a Software Engineer at GfK, you'll enjoy numerous benefits, including an exciting work environment, ongoing training opportunities, and a comprehensive compensation package linked to individual performance. Additional perks include flexible working arrangements, volunteer time off, resources for personal development, and access to an Employee-Assistance-Program (EAP).

GfK is dedicated to fostering a diverse and inclusive workplace. We are committed to reflecting the diversity of our clients and communities within our workforce. We actively promote inclusion and diversity in all aspects of our operations and invite candidates who share this mission to apply.

When answering this question, focus on specific projects where you used C++ and Python. Highlight the challenges you faced, the methodologies you applied, and how you ensured quality through testing. Be ready to discuss specific frameworks or libraries you are familiar with to provide depth to your answer.

When asked about your approach to test-driven development, explain your process in detail. Mention how you start with writing tests before coding, iterating on them, and ensuring that your code meets the requirements. Sharing a concrete example of successful implementation will strengthen your response.

Detail your experience with AWS services relevant to the role, such as EC2 for compute resources, S3 for storage, or Lambda for serverless applications. Sharing specific project examples where these services improved efficiency or performance will showcase your hands-on experience.

To ensure your systems run 24/7, discuss your strategies for monitoring performance, handling unexpected outages, and conducting regular maintenance. Explain how you prioritize system security and response protocols during crises to maintain reliability.

Choose a meaningful challenge you faced in your software development career. Describe the problem in detail and explain how you approached it, including research, brainstorming, and execution. Highlight the outcome and what you learned from the experience.

If you have experience with distributed processing, explain what technologies you've used and the context of your projects. Talk about how these technologies improved data processing and any complexities you managed, providing evidence of your technical advantage in that area.

Regarding database development, pick a couple of technologies you've worked with, covering both MongoDB and MySQL. Discuss how you approach database design, optimization, and query performance. Giving examples of projects will lend credibility to your answer.

Discuss your understanding of security protocols relevant to software development and how you actively comply with them. Mention any specific practices you follow, such as code reviews or using security tools, showcasing your commitment to maintaining high standards.

Elaborate on the strategies you use to continuously improve your skills, such as online courses, attending conferences, participating in hackathons, or contributing to open-source projects. This demonstrates your proactive approach to professional development.

When answering this question, tailor your response to reflect your admiration for GfK’s innovative projects and commitment to consumer insights. Explain how your skills align with their mission, and express your enthusiasm for contributing to their growth and success.