As a Software Engineer, Performance Testing at Onebrief, your main responsibilities will include developing and implementing performance testing strategies for our real-time applications built on socket.io. You'll collaborate closely with product teams to ensure that performance issues are addressed early in the development process while troubleshooting any issues that do arise. Additionally, you'll create and use automated testing tools to monitor performance, guide our Test Platform team in enhancing testability, and raise the performance bar for the entire engineering team.

To be a successful candidate for the Software Engineer, Performance Testing role at Onebrief, you should possess at least 3 years of experience as a full-stack engineer with a solid understanding of React and Node.js. You should also have hands-on experience in performance testing of React applications and RESTful APIs, alongside expertise in any CI/CD pipeline tools like GitHub Actions. Familiarity with performance tuning of SQL queries, Docker, and Kubernetes is a plus.

Onebrief is committed to maintaining high-performance standards for its applications through a combination of proactive performance testing and continuous monitoring. As a Software Engineer in Performance Testing, you'll be responsible for implementing strategies and tools that facilitate automated testing. This approach enables the team to catch performance regressions early in the development cycle while fostering a culture of performance awareness within the engineering team.

As a Software Engineer focused on Performance Testing at Onebrief, you'll be working with a variety of cutting-edge technologies. Your primary tools will include React and Node.js for application development, coupled with Typescript, Postgres, Redis, and Kubernetes to enhance our application's performance and scalability. Your role will also involve utilizing socket.io to optimize real-time interactions within our platform.

At Onebrief, you can expect a fast-paced, innovative startup environment where creativity and collaboration thrive. With a flat organizational structure, all team members have a voice in decision-making. You'll be working alongside a talented team from diverse backgrounds in both tech and military sectors, all committed to building a product that makes a profound impact on military planning.

Onebrief values professional development and provides various opportunities for its Software Engineers to grow in their careers. As part of the team, you'll have frequent opportunities to learn and enhance your skills while taking ownership of your projects. Additionally, our mentoring culture encourages knowledge-sharing among team members, fostering a collaborative environment where everyone can grow together.

Onebrief stands out in the military planning industry due to its innovative all-in-one tool that integrates maps, diagrams, timelines, and written products into a single, synchronized platform. Backed by notable venture capital firms and extensive user validation, Onebrief's technology is already employed by some of the largest military headquarters worldwide, making significant strides in improving the efficiency and effectiveness of military planning.

When answering this question, include specific techniques and tools you've used for performance testing in React applications. Share examples where you identified performance bottlenecks and how you resolved them, focusing on the impact you made.

Discuss the importance of integrating performance testing into the development lifecycle. Mention specific methodologies, such as shift-left testing, that you've implemented, and how this proactive approach has led to improved code quality in past projects.

Explain your process for detecting performance regressions, including the tools and methods you employ for monitoring application performance. Provide examples of instances where you've tackled regressions and the steps taken to mitigate them.

Share the various tools you are familiar with for automating performance testing, such as JMeter, LoadRunner, or custom-built solutions. Discuss a case where you successfully implemented an automation tool to improve testing efficiency.

Discuss your approach to triaging performance issues, including how you assess priority based on impact and resource availability. Share a relevant example demonstrating your critical thinking and decision-making skills.

Share a detailed account of a particularly challenging performance issue you encountered and how you resolved it. Highlight your analytical skills, collaboration with team members, and the final outcome of your efforts.

Discuss specific optimization techniques for RESTful APIs, including caching strategies, query tuning, and payload optimization. Provide examples where you successfully implemented these techniques to enhance API performance.

Explain your approach to maintaining code quality while focusing on performance improvements, such as conducting code reviews, automating testing, and adhering to coding standards. Share a situation where you balanced performance with maintainability.

Discuss key skills such as analytical thinking, problem-solving, and collaboration. Mention how each of these contributes to a Software Engineer's effectiveness in performance testing and overall project success.

Share your motivations for wanting to work at Onebrief, focusing on the company's mission, innovative products, and the opportunity for personal impact. Highlight how your skills and passions align with their goals and culture.