Senior Frontend Engineer, Video UI

You will own the Signals video UI, the primary customer-facing surface of the Signals platform, as we bring it in-house from a third-party vendor. You will be the first of a two-person frontend team, setting the standards and codebase that the second engineer will build on.

ONSITE - Sunnyvale, CA About the Role You will own the Signals video UI, the primary customer-facing surface of the Signals platform, as we bring it in-house from a third-party vendor. You will be the first of a two-person frontend team, setting the standards and codebase that the second engineer will build on.

About knightscope

KSCP) is a security technology company building the nation's first Autonomous Security Force: autonomous machines, AI-driven software, and elite security professionals operating as one integrated managed service.

The Company is on a mission to make the United States of America the safest country in the world.

One Team.

One Force.

Responsibilities

• Own the Signals video UI codebase and development lifecycle.
• Lead knowledge transfer from the current vendor UX designer.
• Partner with the video/streaming backend team on end-to-end streaming experience.
• Establish frontend standards for testing, accessibility, and performance.
• Prepare the team and codebase for the paired frontend hire later in 2027.

Requirements

• Qualifications 7+ years in frontend engineering.
• Strong experience with real-time video UI (WebRTC clients, media players).
• Deep experience with a modern frontend framework (React preferred).
• Accessibility and performance-first mindset.
• Comfort owning a customer-facing surface end to end.

Preferred

• Security or surveillance product UI experience.
• Design system authoring experience.
• Prior work inheriting a codebase from a vendor or design agency.

Benefits

• $170,000 to $200,000 (DOE) Equity: Stock options Benefits: Medical, dental, vision, 401(k), paid time off Location Requirement: Full-time, on-site at Sunnyvale HQ