Senior JavaScript Engineer/Full Stack Engineer

As a Senior JavaScript Engineer at Derex Technologies Inc, you will collaborate on software projects and work closely with product design and technical teams. Your main responsibilities will include developing, testing, releasing, and maintaining back-end services while managing AWS infrastructure. You would also be instrumental in troubleshooting AWS CDK and Github Actions, and functioning as a key player on an Agile team to deliver timely value.

To qualify for the Senior JavaScript Engineer role at Derex Technologies Inc, candidates must hold a BA/BS degree, ideally in an analytical field, and possess at least 5 years of relevant experience. Advanced skills in Node.js, JavaScript/Typescript, AWS services including DynamoDB and CDK, and CI/CD with Github Actions are crucial. Experience in developing serverless applications on AWS and a background in Agile methodologies will also serve you well.

Senior JavaScript Engineers at Derex Technologies Inc should have strong technical skills in JavaScript (ES6), Node.js, and React. Additionally, proficiency in AWS services such as Lambda, DynamoDB, S3, and knowledge of CI/CD pipelines using Github Actions are essential. Familiarity with test automation frameworks such as Playwright, Jest, or Mocha will also enhance your capabilities in this role.

The team culture at Derex Technologies Inc is one that promotes flexibility and work-life balance, which is evident in their Agile scrum approach. As a Senior JavaScript Engineer, you will work collaboratively with your peers, practicing pair programming, and fostering an environment where innovations are encouraged and valued. The team is dedicated to creating impactful solutions while maintaining a healthy work atmosphere.

Derex Technologies Inc is committed to nurturing the growth of its employees, including Senior JavaScript Engineers. The company encourages continuous learning through collaboration on challenging projects, knowledge sharing, and opportunities to work with the latest technologies. You'll have access to resources and support that enhance your professional journey and help you stay ahead in the tech industry.

When answering this question, it's important to detail your experience with specific AWS services. Highlight instances where you've utilized AWS Lambda for serverless applications, DynamoDB for NoSQL databases, or S3 for storage solutions. Use real-world examples that showcase your ability to integrate these services effectively within your projects.

Highlight your understanding of microservices architecture and its advantages. Discuss how you use Node.js for creating scalable microservices and how you handle the communication between them, possibly mentioning the use of AWS services or message queues. Explain your experience deploying microservices within a cloud environment and how you ensure their reliability and performance.

Be sure to mention Agile and scrum methodologies, as these are commonly used in tech environments. Discuss your experience with iterations, sprints, and the importance of regular feedback loops within a team. Illustrate how these practices help you stay on track and adapt to changing requirements.

Choose a project that involved complex AWS architecture. Explain the challenges you faced—such as scaling issues or integrating new AWS services—and how you overcame them. Emphasize your problem-solving strategies and the positive outcomes of your efforts.

Discuss your use of testing frameworks (like Jest or Mocha) and your emphasis on writing unit tests, integration tests, and possibly end-to-end tests. Talk about incorporating code reviews and pair programming as part of your workflow, which helps you maintain high standards in code quality.

Describe a situation where you had to work closely with other developers or teams. Discuss how open communication and collaboration led to a successful project outcome. This could involve problem-solving together or integrating different facets of the development process.

Discuss the benefits of serverless architecture, such as reduced operational costs and simplified scaling. Highlight your experience with AWS Lambda and how it allows for improved resource management and agility in deploying applications. Provide an example where you successfully implemented a serverless solution.

Mention various resources you use for keeping your skills sharp, like online courses, tech blogs, webinars, or community forums. Discuss how staying informed about updates, best practices, and innovative solutions contributes to your effectiveness as a Senior JavaScript Engineer.

Discuss your familiarity with tools like GitHub Actions, Jenkins, or AWS CodePipeline. Highlight how these tools streamline the deployment process, allow for rapid iterations, and enhance collaboration within development teams. Give an example of a project where CI/CD played a crucial role in its success.

Discuss your strategies for prioritizing tasks and managing time effectively. Talk about your experience in Agile environments, where sprints help in focusing efforts, and how you communicate with your team to remain aligned and adapt to any last-minute changes while maintaining quality.