Senior Web Performance SWE - $150-$250k (Web Vitals, JavaScript)

Los Angeles, CA • Houston, TX • San Antonio, TX • Philadelphia, PA Remote Available

Full-time $150,000.00 - $250,000.00

Posted 04/09/2025

Permanently 100% Remote
Job Title: Senior Web Performance Engineer - $150-$250k (Web Vitals, JavaScript)
Salary: $150-$250k Base + Benefits, 401k, PTO
Requirements: JavaScript, Web Vitals, Web Performance, Console Logs, Traces, SDKs

We are the evolution of real-user monitoring (RUM) built on OpenTelemetry.

Partners, like Pinterest, Marriott,Goat, Home Depot, and Cameo, use us because no other observability platforms are purpose built for frontend mobile and web teams while providing DevOps with the vital information needed to drive proactive, confident decisioning.

We proactively identify performance improvements, instantly diagnosing errors, and track trends and KPIs so that every engineering team works together to drive business impact on the same set of user-indexed observability data

In other words, teams can better focus on feature development and finally solve pesky, nagging, high priority crashes, startup issues, and SDK problems.

Picture the complexity and challenge of a collecting and analyzing every session for every user.

We are started by a founder of Scopely, ~$5B exit in 2023, with 8 #1 games including MonopolyGo, Scrabble, Yahtzee, and Star Trek.

We are a growth stage, Series Bcompany backed by NEA, YCombinator, Greycroft, the founders of Testflight, Parse, and PagerDuty, and executives from AppDynamics, MoPub, Doordash, and Uber.

We are for engineers who love to help other engineers.

The company is built Open Source and on the largest CNCF project, OpenTelemetry (yes, larger now than Kubernetes) and enjoys interacting and leading that community through extremely high data volume challenges, time-based cutting edge databases, edge on-device computing, and distributed AI.

Due to growth, we are hiring a hiring a Remote Senior Web Performance Engineer with the following experience:

6+ yrs coding experience
JavaScript expert
Significant experience with web vitals and website performance
Must have used traces, console logs, etc. for performance analysis and debugging
Must enjoy talking tech with customers and in community talks
SDK/Library development
Opensource development

Are you open to a conversation?

Colorado employees will receive paid sick leave. For additional information about available benefits, please contact Matt Abbasfard

Benefits

Vacation/PTO

Medical

Dental

Vision

401k

Bonus

Relocation

Telecommute

For this position you must be currently authorized to work in the United States. We do not sponsor for this position.

Additional ways to apply

Preferred Skills

Matt Abbasfard is recruiting for this position and the positions below.
Email me to apply for this position

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Employees will receive paid leave to the extent required by state or local law. This job was first posted by CyberCoders on 04/09/2025 and applications will be accepted on an ongoing basis until the position is filled or closed.

CyberCoders, Inc is proud to be an Equal Opportunity Employer

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity or expression, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, status as a crime victim, disability, protected veteran status, or any other characteristic protected by law. CyberCoders will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable state and local law, including but not limited to the Los Angeles County Fair Chance Ordinance, the San Francisco Fair Chance Ordinance, and the California Fair Chance Act. CyberCoders is committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. If you need special assistance or an accommodation while seeking employment, please contact a member of our Human Resources team to make arrangements.

Your Right to Work – In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire.