REMOTE Senior Javascript Engineer - Web Performance

CyberCoders; Denver (CO); Remote; USD 150,000 - 250,000; Full time

Job summary

An innovative startup is seeking a Senior Javascript Engineer to revolutionize front-end telemetry and real-user monitoring. In this exciting role, you will develop cutting-edge technologies that enhance user experiences for a diverse clientele. You'll engage directly with customers, gathering insights and troubleshooting while coding essential libraries for their sites. Join a dynamic team backed by top-tier investors and work in a collaborative environment that values your contributions. If you're passionate about web performance and customer engagement, this opportunity is perfect for you!

Benefits

Unlimited PTO

Medical, Dental, & Vision Insurance

Parental Leave for Both Parents

Internet Stipend

$500 Desk Allowance

Qualifications

• 6+ years coding experience with a focus on Javascript.
• Expertise in web performance and customer interaction.
• Experience with performance analysis tools like traces and logs.

Responsibilities

• Build technologies to enhance user experiences for customers.
• Collaborate with clients to gather feedback and solve problems.
• Develop libraries for integration into client sites.

Skills

Javascript

Frontend Coding

Web Performance

Customer-Facing Experience

Web Vitals/Traces/Logs

Education

BSCS or Related Degree

Tools

OpenTelemetry

Grafana

Lighthouse

Speedcurve

Job description

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This range is provided by CyberCoders. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$150,000.00/yr - $250,000.00/yr

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

Looking forward to receiving your resume through our website and going over the position with you. Clicking apply is the best way to apply, but you may also:

Email Your Resume In Word To

[e-mail]

• Please do NOT change the email subject line in any way. You must keep the JobID: linkedin : AH12-1849704L490 -- in the email subject line for your application to be considered.***
  
  

Abi Harper - Lead Recruiter

For this position, you must be currently authorized to work in the United States without the need for sponsorship for a non-immigrant visa.

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 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.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Industries

  Computer Hardware Manufacturing

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