Senior Frontend Engineer, Video UI

ExperiencedFull-time
Sunnyvale, California, United Statesvia knightscope CareersPosted Oct 5, 2026
Match with my CV

Technical skills

React

Role signals

UI/UX DesignProduct design

About Knightscope

Knightscope (NASDAQ: 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.

Job Summary

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.

Location: 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.

Key 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.

Required 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.

Nice to Have

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

Compensation and Benefits

Base Salary: $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

Before you apply

  • 1Which parts of your CV prove experience with React, UI/UX Design, and Product design?
  • 2Which recent work examples would make your application stronger for this role?
  • 3What details from the original source listing should you confirm before applying?

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