Senior Full Stack Engineer (LangSmith)

As a Senior Full Stack Engineer at LangSmith, you'll lead the technical architecture and implementation of key product features. Your role involves working across our Go, Python, and Typescript stack, collaborating with product and design teams, mentoring junior engineers, and ensuring high engineering standards while meeting aggressive project timelines.

To apply for the Senior Full Stack Engineer position at LangSmith, you should have 7+ years of experience in software engineering. A strong command of either Go or Python, proficiency in React and Typescript, and a solid understanding of database systems such as Postgres and Redis are essential qualifications. Experience with designing and scaling APIs would also be beneficial.

At LangSmith, we encourage the professional growth of our Senior Full Stack Engineers through mentorship opportunities, collaboration with cross-functional teams, and the ability to lead high-impact projects. You’ll have the necessary support and resources to advance to a Tech Lead role while also participating in the iterative design process with diverse teams.

As a Senior Full Stack Engineer at LangSmith, you’ll work on innovative projects that drive the development of our LLM-powered applications. This entails designing and implementing new features, optimizing infrastructure for performance, and collaborating directly with customers to ensure that their needs are met within our SaaS platform.

Collaboration is vital for the Senior Full Stack Engineer position at LangSmith. You will work closely with product and design teams to iterate on new features, engage with customers for direct feedback, and foster an inclusive environment by mentoring junior engineers. This synergy is crucial to ensure the success and scalability of our platform.

When answering this question, detail specific projects where you utilized Go and Python, highlighting your understanding of their strengths and weaknesses in production environments. Share any challenges you faced and how you overcame them using these languages.

Discuss your mentoring philosophy and provide examples of how you've helped junior developers grow in their roles. Highlight the importance of regular check-ins, code reviews, and fostering a culture of open communication and learning.

Focus on time management techniques, the importance of code reviews, and the role of automated testing in your workflow. Explain how you balance rapid iteration with maintaining quality by instilling best practices within your team.

Select a specific technical challenge related to scaling APIs or optimizing database performance, and structure your answer to include the steps you took to diagnose and solve the issue. Discuss the final outcome and lessons learned.

Explain your methods for continuous learning, whether through online courses, workshops, attending conferences, or participating in communities. Mention any influential resources and how they’ve impacted your work.

Provide examples of projects where you’ve effectively used React and Typescript. Explain how they contribute to building robust front-end applications and share any lessons learned about integrating them into a full-stack environment.

Discuss your time-management strategies, including how you assess project urgency, stake stakeholder input, and use tools for task management. Illustrate your flexibility in adapting priorities in a fast-paced environment.

Detail your approach to API design, including RESTful principles or GraphQL, the importance of scalability and security, and how you implement performance monitoring. Use specific examples to show your hands-on experience in this area.

Discuss your communication style and how you gather feedback, clarify requirements, and convey technical information in an approachable way. Share successful outcomes from previous interactions with clients.

Answer by discussing teamwork, collaboration, clear communication, and a shared vision. Emphasize the importance of diverse skill sets and continuous learning among the team members for successful project outcomes.