Sr Middleware Engineer (Python, Kafka, Hazelcast)

As a Sr Middleware Engineer at Visa, your primary responsibilities include design, development, and support for our middleware solutions. You will work closely with a talented team to ensure high performance and seamless integration of critical business applications. You'll also engage in troubleshooting, monitoring, and optimizing middleware services while utilizing your expertise in technologies such as Hazelcast, Kafka, and Python.

To qualify for the Sr Middleware Engineer position at Visa, candidates should have a bachelor’s degree combined with at least three years of relevant work experience, or an advanced degree with a minimum of two years’ experience. Experience with middleware technologies like Hazelcast, proficiency in programming languages such as Python or Java, and an understanding of cloud platforms like AWS or Azure are preferred. Problem-solving skills and experience with DevOps and CI/CD practices are also highly desirable.

Candidates applying for the Sr Middleware Engineer role at Visa should be well-versed in middleware technologies such as Hazelcast, Kafka, and Qlik/Striim. Familiarity with data integration concepts, stream processing frameworks like Flink/Spark, and cloud platforms like AWS or Google Cloud will significantly enhance your application. Knowledge of container orchestration tools like Kubernetes and CI/CD pipeline practices is also essential.

Yes, the Sr Middleware Engineer position at Visa is a hybrid role, allowing for a blend of remote and in-office work. The specific expectation regarding in-office days will be confirmed during the hiring process, ensuring that you have a flexible work arrangement that suits your needs while maintaining team connectivity and collaboration.

In addition to technical expertise, effective communication, teamwork, and strong problem-solving skills are crucial for a Sr Middleware Engineer at Visa. You will be working in a globally distributed team, so being able to collaborate closely and share ideas while also mentoring others is invaluable in this fast-paced environment.

When discussing your experience with middleware technologies like Hazelcast and Kafka, provide specific examples of projects where you implemented these tools. Discuss the challenges you faced and how you overcame them, showcasing your problem-solving skills and your understanding of how these technologies contribute to system performance and reliability.

In responding to troubleshooting inquiries, explain your systematic approach to identifying the source of issues, such as reviewing logs, using monitoring tools, and collaborating with stakeholders. Share a specific example that highlights your analytical thinking and how your actions led to a resolution.

Discuss your familiarity with cloud platforms like AWS, Azure, or Google Cloud by pointing out scenarios where you utilized cloud services to enhance middleware solutions. Emphasize your ability to leverage these platforms to improve scalability and reliability in applications.

When addressing CI/CD processes, explain the tools you've used, such as Jenkins or GitLab, and how you’ve implemented automation for builds and deployments. Provide an example of how these processes have improved deployment times and reduced human error in your previous work.

To ensure security in middleware technologies, discuss specific practices you follow, such as implementing SSL, utilizing Kerberos for authentication, and conducting regular audits. Share your understanding of potential vulnerabilities and how you proactively address them to maintain secure systems.

Provide details of a challenging project where you played a significant role as a Middleware Engineer. Describe your responsibilities, the technology stack involved, and how you led the team towards achieving successful results despite obstacles.

Discuss your commitment to professional growth by joining forums, attending industry conferences, or engaging with open-source projects. Share specific instances where newfound knowledge influenced your work and helped improve processes.

Mention your proficiency in programming languages such as Python, Java, or Scala, and describe how you have used these languages to develop middleware applications. Highlight a project where your programming skills contributed to successful integrations or improved performance.

To promote collaboration within a distributed team, share your strategies such as regular check-ins, use of collaboration tools, and sharing documentation. Emphasize how these practices have ensured seamless communication and effective teamwork across various time zones.

When discussing mentoring strategies, emphasize your commitment to fostering a learning environment. Describe how you provide guidance, conduct knowledge-sharing sessions, and encourage junior engineers to take on challenges while offering support as needed.