Node.js Engineer (with Mongo experience)

As a Node.js Engineer at LUZA Group, you will be responsible for developing and maintaining server-side applications using Node.js and MongoDB. Your role includes designing schemas and validations with Mongoose, implementing complex queries and optimizations in MongoDB, and leveraging AWS services such as Lambda and S3 for cloud storage solutions. You will also collaborate with your team using tools like Jira and Confluence to ensure smooth project workflow.

To apply for the Node.js Engineer position at LUZA Group, candidates should have a minimum of four years of experience in Node.js development and two years focused on MongoDB. Additionally, proficiency in the MongoDB aggregation framework, indexing, detailed query profiling, and Mongoose is vital. A solid knowledge of JavaScript and at least a year’s experience with AWS services are also required. Strong communication skills in English are crucial for success in this role.

For a Node.js Engineer role at LUZA Group, soft skills such as good self-presentation, effective communication and negotiation abilities, and an eagerness to learn and develop are highly valued. We look for team-oriented individuals who demonstrate accountability in their work and are motivated to contribute to our long-term objectives while collaborating closely with colleagues.

Yes, experience with AWS is a requirement for the Node.js Engineer position at LUZA Group. Candidates should have at least one year of practical experience, especially with AWS services like Lambda for serverless architecture and S3 for object storage. This expertise is essential for integrating various components of our projects.

Absolutely! The Node.js Engineer position at LUZA Group is fully remote, allowing you to work from anywhere within the United States. We believe in flexibility and the importance of work-life balance, which is why we support our engineers in creating their own productive work environments.

In an interview, you can explain that handling complex queries in MongoDB involves using the aggregation framework to filter and transform data efficiently. Discuss specific techniques you've used, such as leveraging various stages of aggregation like $match, $group, and $sort to refine your results.

To optimize Node.js applications, discuss strategies like using asynchronous programming to handle I/O operations effectively, profiling your code for performance bottlenecks, and caching frequently accessed data. Mention tools like PM2 for process management and monitoring the application’s performance.

When asked about AWS Lambda, explain how you used it to create serverless functions that respond to events, detailing the specific tasks these functions handled. Share examples, such as real-time data processing or reacting to changes in your database with MongoDB triggers.

In your response, emphasize how Mongoose simplifies working with MongoDB through its schema validation and modeling capabilities. Provide an example of how you’ve set up models, enforced validation rules, and utilized middleware in a previous project to manage complex relationships.

Discuss your experience with version control systems like Git, mentioning how you manage branches, handle merge conflicts, and ensure that the main branch remains stable. Highlight your commitment to documenting changes through effective commit messages and pull requests.

Explain how you prioritize communication and collaboration as a Node.js Engineer. Talk about how you engage in regular stand-ups, solicit feedback on code reviews, and emphasize the importance of shared knowledge in tools like Jira and Confluence to track progress and tasks.

Acknowledge typical challenges like callback hell, managing dependencies, or handling errors effectively. Discuss how you implement promises or async/await to address these issues, contributing to cleaner and more maintainable code.

In your answer, clarify that middleware functions in Node.js are crucial for processing request and response objects and for handling errors. You can provide examples of using middleware for logging requests or for authentication in your applications.

Talk about your practices regarding code reviews, unit testing with frameworks like Mocha or Jest, and using linting tools to maintain code standards. Emphasize the importance of writing clean and maintainable code for long-term project success.

Share your passion for technology and how the ever-evolving landscape of web development motivates you to keep learning. Discuss specific platforms or resources, such as online courses, tech meetups, or documentation that you engage with to stay updated.