Principal React Engineer

Interplay Learning, the leader in immersive learning for the skilled trades, now includes Industrial Training International (ITI), the global leader in specialized industrial learning solutions.

Leveraging instructor-led training, online simulations, AI, and VR, Interplay helps organizations and educational institutions upskill faster, reduce risk, and increase operational readiness. With nearly 600,000 people trained, Interplay is shaping the future of workforce development, building better c areers and better lives. Visit  to learn more.

• 2025, Forbes, America’s Best Startup Employers
• 2025, Inc. 5000, Fastest-Growing U.S. Companies
• 2024, Best Midsize Places to Work In Austin
• 2024, Facilitiesnet Readers' Choice Award Winners for Software
• 2024, AHR Expo Innovation Awards Winners for Software

At Interplay, we love what we do. We embrace our daily challenge to push technological limits to invent better ways to make learning easier and training more powerful. We attract passionate people and invite spirited discourse. We celebrate that our jobs fit our lives, not the inverse. We are uncompromising in our belief that together: we can build better training, build better careers and build better lives for customers and our team.

The Principal React Engineer will join the Engineering department to lead our front-end development efforts. As a key member of our engineering team, you will play a pivotal role in shaping the user experience of our VR training platform. You will be responsible for leading the development of cutting‑edge web applications using React and Type Script, while also supporting engineering teams building customer products and internal tooling.

This role requires a seasoned architect with a strong product mindset, who can effectively mentor team members, ensure code quality, and communicate complex technical concepts to both technical and non‑technical stakeholders. If you think you'd be a good fit for this role, please let us know what you're most excited about in the application questionnaire by using the special code word mentioned in the th1rd bullet point in the n3xt section.

• Supercalafragalistic
• Career development in a dynamic, high growth environment
• Passionate, collaborative team

• Lead and contribute to the development of cutting‑edge web applications using React and Type Script.
• Support engineering teams building innovative products for Interplay customers as well as engineering teams building tooling for Interplay’s simulation design team.
• Collaborate with cross‑functional teams to define, design, architect, and ship high‑quality software solutions.
• Mentor and guide team members, fostering a culture of collaboration and continuous improvement.
• Ensure code quality through best practices, testing, and code reviews.
• Review MRs and communicate code improvements empathetically.
• Extend expertise to mobile development and VR applications.

• Seasoned Frontend Engineer who’s deeply experienced with React and Type Script, and has used a variety of frontend frameworks and libraries throughout their career - including jQuery.
• Strong product mindset ; comfortable digging into the how and why of the user journey to arrive at the best technical solutions
• Experienced architect in frontend architectural approaches including monorepos, Micro Frontends, meta frameworks, and BFF.
• Clear and empathetic communicator who can understand complex technical applications and proactively communicate interconnected dependencies and architectural approach implications to non‑technical stakeholders.
• Cognizant engineer who’s attuned to the frontend (React) ecosystem, and can suggest modern ideas and tooling that support Interplay’s engineering goals.
• Practiced in using AI tooling with discretion, ideally familiarity with MCP and evaluating LLMs
• Effective time manager able to balance shipping individual contributor work while serving as an architect and mentor for multi‑squad org.

• 7+ years of proven expertise in web development, with a track record of successfully delivering web applications preferably related to education,…