Senior Software Engineer - Java - job 1 of 2

As a Senior Software Engineer - Java at Sinch, your primary responsibilities will include developing and maintaining high-impact backend services for our SaaS Engage Platform. You'll engage with the entire software development lifecycle, from planning and design to implementation, deployment, and monitoring. Additionally, you'll optimize distributed microservices, implement APIs, and ensure systems reliability while adhering to best practices in software development.

To be considered for the Senior Software Engineer - Java role at Sinch, you should have 6-8 years of backend development experience with strong expertise in Java. Familiarity with microservices architecture, experience in designing RESTful APIs, and proficiency with non-relational databases like MongoDB are also required. Strong problem-solving skills and a background in cloud-native applications will be advantageous.

At Sinch, we are committed to the career growth of our employees, especially in the role of Senior Software Engineer - Java. You'll be part of a collaborative team that empowers you to take ownership of your work. We offer competitive salaries, flexible work culture, and valuable benefits that adapt to your needs. Plus, you'll have opportunities for hands-on learning and mentorship to help you advance your skills and career.

In the Senior Software Engineer - Java role at Sinch, you'll work with technologies including Java for building microservices, non-relational databases like MongoDB, and messaging queues like Kafka. You'll also have the chance to engage with cloud-native applications and event-driven architectures, allowing you to implement innovative solutions for real-time messaging systems.

The company culture at Sinch for Senior Software Engineers is collaborative and autonomous. You'll be part of a diverse, multicultural environment where innovation and creativity are encouraged. We believe in a self-driven approach, giving you the freedom to set your goals while working closely with your teammates. Our flexible work culture promotes work-life balance, ensuring that you can thrive both personally and professionally.

When answering this question, highlight specific projects where you utilized Java for backend development. Discuss the frameworks, libraries, and design patterns you employed, as well as the challenges you faced and how you overcame them to deliver effective solutions.

Your answer should outline the principles of microservices architecture such as scalability, independence of services, and loose coupling. Provide an example of a project where you successfully designed a microservices architecture and explain your thought process, decisions, and technology stack used.

Discuss specific strategies for optimizing performance, such as load balancing, caching, database indexing, and efficient resource utilization. Share an instance where you implemented these strategies and the positive impact it had on the system's performance.

Focus on your hands-on experience with MongoDB by explaining how you've utilized its features for data storage and retrieval in previous projects. Share examples of how you structured data, handled queries, and optimized database performance for your applications.

Outline the tools and best practices you follow to monitor service performance and reliability. Discuss the importance of logging, performance metrics, alerts, and using tools like Prometheus or Grafana to ensure that the systems you develop are operating reliably.

Discuss your familiarity with event-driven architectures, emphasizing how you've implemented them in your work. Provide examples of message queues you have worked with, such as Kafka, and how you designed your systems around events to improve responsiveness and efficiency.

Your answer should indicate specific experiences where you collaborated with cross-functional teams. Highlight your communication strategies, tools used for collaboration, and how you reached consensus on project goals and requirements with diverse team members.

Provide a detailed example of a significant project where you contributed to every phase, explaining your specific role, responsibilities, and the technologies you used. Emphasize how you overcame obstacles and ensured a successful deployment.

Discuss your approach to code reviews, focusing on constructive feedback, collaboration, and fostering learning. Share your experiences mentoring junior engineers and how you've helped improve their skills and confidence.

Explain your coding best practices, emphasizing readability, simplicity, and testability. Provide examples of how you refactored existing code to enhance maintainability and your commitment to continuous learning and improvement in code quality.