Senior Frontend Engineer, Video UI

Knightscope, Inc; Sunnyvale (CA); On-site; USD 170,000 - 200,000; Full time

Benefits offered by this job

Medical

Dental

Vision

401(k)

Paid time off

Job summary

Knightscope, Inc. seeks a senior frontend engineer to own the Signals video UI, the primary customer-facing surface of the Signals platform, as we bring it in-house from a 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 is on-site at Sunnyvale HQ. The role focuses on real-time video UI, frontend standards, accessibility, and collaboration with backend/video teams to deliver end-to-end streaming

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.

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.

Skills

Frontend engineering

WebRTC / video UI

React

Accessibility

Customer-facing surface

Job description

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