REMOTE Senior Javascript Engineer - Web Performance

Los Angeles, CA • Denver, CO • San Francisco, CA • Portland, OR • Seattle, WA Remote Available

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

Posted 04/18/2025

Job Title: Sr. Javascript Engineer - Web Performance
Location: REMOTE!
Salary: $150-250k/year
Requirements: Javascript, frontend coding, web performance, customer-facing experience, web vitals/traces/logs

Founded by one of the Scopely founders (~$5B exit in 2023 with 8 #1 games including MonopolyGo, Scrabble, Yahtzee, and Star Trek), we are a growth-stage Series B startup that's modernizing full-stack observability. We're backed by NEA, YCombinator, Greycroft, the founders of Testflight, Parse, and PagerDuty, and executives from AppDynamics, MoPub, Doordash, and Uber.

We are the evolution of real-user monitoring (RUM) built on OpenTelemetry. Companies 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 they need to drive proactive & confident decisions. As we continue to grow, we need your help!

We're currently looking for a Senior Javascript Engineer/Web Performance Engineer to play a huge part of the evolution of front-end telemetry and RUM. You will build technologies that help our customers' Engineers improve their user experiences. You'll work closely with customers, gather feedback, and work through problems while coding libraries that will be embedded in their sites. If this sounds like you, then we want to hear from you!

What you need for this role

6+ yrs coding experience
Javascript expert
Significant experience with web vitals (w3c) 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
BSCS or Related Degree
BONUS: OpenTelemetry, Grafana, Libraries/SDKs, Opensource development, Lighthouse, Speedcurve

What's in it for you

Competitive base salary $150-250k/year + equity!
Unlimited PTO
Medical, Dental, & Vision Insurance
Parental leave for BOTH parents
Internet stipend
$500 desk allowance to set up your home office
Opportunities for growth & development

Benefits

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

Abi Harper is recruiting for this position and the positions below.
Email me to apply for this position

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Job ID: AH12-1849704

Employees will receive paid leave to the extent required by state or local law. This job was first posted by CyberCoders on 04/04/2025 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.