As a Senior Software Engineer, Back End (ETL) at Capital One, you will engage in designing and developing technical solutions that meet business needs. Your role encompasses collaborating with Agile teams to implement rigorous testing and support for software applications, as well as delivering cloud-based solutions that empower users. You'll utilize programming languages like Java, Python, and more to create functional ETL systems, ensuring data integrity and optimal performance.

To be considered for the Senior Software Engineer, Back End (ETL) position at Capital One, candidates should hold a Bachelor’s Degree and have at least three years of professional experience in software engineering. Preferred qualifications include five or more years in programming languages such as Java or Python and experience with cloud services like AWS. Familiarity with Agile methodologies and open-source frameworks is also advantageous.

For the Senior Software Engineer, Back End (ETL) role at Capital One, proficiency in programming languages such as Java, Python, SQL, and the use of NoSQL databases is essential. Candidates with expertise in Node.js or Scala will also have an advantage. Knowledge of container orchestration tools like Docker and Kubernetes, as well as various AWS services, will further enhance your fit for the position.

A Senior Software Engineer, Back End (ETL) at Capital One can expect a fast-paced, collaborative, and inclusive work environment. The team focuses on agile methodologies, which promote iterative development and open communication. You will have the opportunity to share your ideas, learn from others, and stay updated with the latest technologies while contributing to projects that make a real difference in customers' lives.

While the Senior Software Engineer, Back End (ETL) position at Capital One is primarily based in McLean, VA, the company values flexibility and may offer hybrid work options. It's best to inquire directly with HR during the application process to understand the specific arrangements and opportunities available for remote or hybrid work.

When discussing your experience with ETL processes, it’s effective to highlight specific projects where you utilized ETL tools and techniques. Focus on the technologies you worked with, the challenges you faced, and how you overcame them to deliver data solutions that enhanced performance or accuracy in your applications.

To ensure code quality, you should explain your approach to writing unit tests, conducting code reviews, and incorporating automated testing tools in your workflow. Mention your commitment to following coding best practices and your willingness to receive and provide constructive feedback during peer reviews.

Share specific examples of cloud services you’ve worked with, such as AWS or Azure. Discuss projects where you deployed applications, managed databases, or utilized services to enhance scalability and reliability. Highlight how these experiences have shaped your ability to deliver effective software solutions.

When answering this question, provide a detailed account of a technical challenge you faced, the solution you devised, and the positive outcome. Utilize the STAR method (Situation, Task, Action, Result) to structure your response and emphasize your problem-solving skills.

Discuss your strategies for staying informed, such as participating in tech meetups, following industry leaders on social media, and engaging in online courses or certifications. Highlight your passion for continuous learning and how it positively impacts your work.

Explain your understanding of Agile methodologies, emphasizing teamwork and iterative progress. Discuss your previous experience in Agile teams, focusing on how you contributed to sprints, participated in stand-ups, and collaborated with product managers and stakeholders.

Express your belief in the importance of mentorship within the tech community. Share your experience mentoring junior developers, how it benefited both you and your mentee, and your commitment to fostering a culture of knowledge-sharing and collaboration.

Share specific techniques you've employed to enhance application performance, such as optimizing queries, implementing caching strategies, or refactoring code. Support your answer with measurable outcomes, such as improved load times or reduced resource consumption.

Describe your approach to feature prioritization, including collaboration with product managers to align on user needs. Highlight factors you consider, such as customer feedback, business goals, and the technical feasibility of features, ensuring a balanced approach.

Share your admiration for Capital One's commitment to technology and innovation within the financial services industry. Emphasize how your skills and experience align with the company’s goals of delivering transformative solutions, and discuss your enthusiasm to contribute to customer empowerment.