Remote Senior Web Performance Engineer (SDK)

Senior Web Performance Engineer (Remote - Observability | $150K-$250K)Location: Remote (USA-based only)Compensation: $150,000-$250,000 base (DOE)We're working with a fast-growing, venture-backed SaaS company that's reshaping how engineering teams monitor and optimize frontend and mobile performance. Their platform is purpose-built to give developers and DevOps teams real-time visibility into user sessions, performance bottlenecks, and application health - all powered by modern open standards.With a seasoned leadership team and backing from top-tier investors, this company is gaining rapid traction across industries like retail, travel, and digital media. Customers rely on them to surface issues traditional observability platforms miss - helping teams move faster and ship with confidence.We're looking for a Senior Web Performance Engineer to help expand their open-source footprint, build high-performance SDKs, and tackle complex data and monitoring challenges at scale.What You'll DoBuild and maintain robust, production-ready open-source SDKsDebug real-user sessions using traces, logs, and web vitalsCollaborate with product and customer teams to improve performance toolingContribute to the OpenTelemetry ecosystemDesign and optimize systems to handle millions of sessions per dayWhat We're Looking ForStrong experience with JavaScript and modern frontend performance techniquesDeep understanding of web vitals, tracing, and browser debugging toolsExperience building or maintaining SDKs/libraries used by developersOpen-source contributions or community engagement is a plus6+ years of professional software engineering experienceBS in Computer Science or equivalent hands-on experiencePerks & Benefits$150K-$250K base salary (depending on experience)100% remote work (U.S. only)Comprehensive health, dental, and vision coverageFlexible PTO and working hoursCollaborative, fast-paced engineering environmentWork with modern tools and real-world performance problemsIf you're passionate about frontend performance, developer experience, and observability - and want to help build tools engineers actually love - we'd love to hear from you.BenefitsLooking 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 Totaylor.mcalister@Please do NOT change the email subject line in any way. You must keep the JobID: linkedin : TM4-1848332L674 -- in the email subject line for your application to be considered.***Taylor McAlister - Sr. Executive RecruiterFor 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 04/09/2025 and applications will be accepted on an ongoing basis until the position is filled or closed.CyberCoders is proud to be an Equal Opportunity EmployerAll 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.

Created: 2025-05-10