Staff Software Engineer - JavaScript Runtime & SDK's (Remote)

As a Staff Software Engineer - JavaScript Runtime & SDKs at Fastly, you'll be primarily responsible for developing the JavaScript SDK and StarlingMonkey runtime. This role involves collaborating with open-source communities, optimizing language runtimes, and enhancing SDK performance. Additionally, you'll engage in project management, code reviews, and provide mentorship to team members, all while supporting the company’s mission to build a more secure and effective edge cloud platform.

To qualify for the Staff Software Engineer - JavaScript Runtime & SDKs position at Fastly, you should have at least 8 years of experience in software engineering, with a strong focus on building language runtimes. An expert understanding of the JavaScript ecosystem, proficiency in C++, and familiarity with Rust and Python will also set you apart. A collaborative mindset and a dedication to delivering an exceptional developer experience are essential as well.

Fastly recognizes the importance of work-life balance for Staff Software Engineers. The company offers a hybrid model, allowing flexibility to work remotely or from the office. Employees benefit from a generous vacation policy, wellness days, and sick leave to help them recharge and maintain their well-being. These practices contribute to a positive work environment where employees can thrive both personally and professionally.

As a Staff Software Engineer focused on JavaScript Runtime & SDKs at Fastly, you will primarily work with C++ and some Rust development along with JavaScript SDKs and the StarlingMonkey runtime. Staying updated on the latest JavaScript and WinterCG standards will be crucial for your success in this role, as you develop technologies that meet modern application development needs at the edge of the internet.

Fastly promotes a positive and inclusive company culture for all employees, including Staff Software Engineers. Diversity is prioritized, and team members are encouraged to express their individuality and passions. The company fosters collaboration, offers opportunities for professional growth, and values employee feedback, making it a fantastic place for innovative tech professionals to thrive.

When answering this question, highlight your specific projects involving C++ development, particularly any experience with language runtimes. Discuss your understanding of memory management, performance optimization, and the challenges faced during development. Providing examples of how your C++ expertise has contributed to successful outcomes will strengthen your response.

Share specific examples of your experience working with JavaScript SDKs, detailing strategies you've used to enhance their performance. Discuss techniques like code splitting, lazy loading, minimizing bundle size, or caching strategies while emphasizing your approach to improving user experience and reducing latency.

Discuss your methods for keeping up with JavaScript trends, such as following influential blogs, participating in online communities, and attending conferences or webinars. Highlight any contributions you've made to open-source projects or your personal projects that demonstrate your commitment to staying informed and engaged in the JS ecosystem.

When answering this, mention specific methods you use for project management, such as Agile methodologies or specific tools you've utilized. Emphasize your ability to coordinate across teams, set realistic timelines, and communicate progress to stakeholders. Share a concrete example of a successful project you've led to illustrate your capability.

In your answer, focus on your communication skills, openness to feedback, and initiatives you've implemented to enhance team dynamics. Discuss specific instances where fostering collaboration led to success, such as brainstorming sessions, code reviews, or even informal team-building activities.

Use a STAR (Situation, Task, Action, Result) approach to answer this question. Describe the challenge, the context, how you tackled it, and the positive outcome achieved. This structured response shows your problem-solving skills and ability to reflect on past experiences.

Provide insight into your learning process, such as breaking down the learning materials, applying the knowledge through small projects, or leveraging online tutorials and communities. Highlight your adaptability and willingness to embrace new technologies that could benefit your work.

Discuss the importance of mentorship in professional growth and fostering collaboration within a team. Share your experiences mentoring others and how it has not only benefited mentees but also deepened your own knowledge and understanding of software engineering principles.

Explain your approach to prioritization, such as using task management tools, based on project deadlines and impact, or collaboration with team members to align on priorities. Share an example of how you effectively managed your time across competing projects while ensuring quality results.

When responding to this question, express your passion for Fastly’s mission of building a more trustworthy Internet and your enthusiasm for the projects you'll undertake. Highlight how Fastly's innovative edge cloud platform aligns with your career goals and your excitement to contribute to meaningful technological advancements.