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People10 Technologies Inc. logo
People10 Technologies Inc.

Full Stack Partner for Digital products and experiences

Senior Frontend Engineer, Experimentation & Growth

Frontend EngineerSoftware EngineerOtherRemoteSeniorTeam 501-1,000Since 2011H1B No SponsorCompany SiteLinkedIn

Location

United States

Posted

158 days ago

Salary

0

Seniority

Senior

Bachelor Degree6 yrs expEnglishJavaScriptNext.jsReact

Job Description

Senior Frontend Engineer, Experimentation & Growth

People10 Technologies Inc.

• Partner closely with Business, Product, and Growth teams to translate hypotheses and requirements into quick, production-ready frontend releases • Build and iterate on small, targeted features using Optimizely experiments, feature flags, and personalization • Implement code-based Optimizely experiments within a modern frontend stack (React / Next.js) • Ensure experiments are clean, isolated, and reversible with minimal tech debt • Collaborate with Analytics to ensure accurate tracking, event instrumentation, and experiment measurement • Optimize for page performance, accessibility, and cross-browser compatibility • Support rapid testing cycles while maintaining high engineering standards • Debug, monitor, and quickly fix issues arising from experiments or releases

Job Requirements

  • 6+ years of experience as a Frontend Engineer in production environments
  • Strong expertise in React and modern JavaScript (ES6+)
  • Hands-on experience with Next.js or similar SSR / SPA frameworks
  • Direct experience working with Optimizely (Web Experimentation, Feature Flags, or Personalization)
  • Solid understanding of A/B testing concepts , experiment isolation, and rollout strategies
  • Experience collaborating directly with non-technical business stakeholders
  • Proficiency with HTML5, CSS3, responsive design, and modern styling approaches (CSS-in-JS, styled-components, etc.)
  • Familiarity with Git-based workflows and CI/CD pipelines
  • Experience with analytics tools (Google Analytics, Segment, or similar)
  • Understanding of performance monitoring and RUM tools
  • Experience working in high-traffic, consumer-facing applications
  • Exposure to feature flagging strategies beyond experimentation

Benefits

  • Great Place to Work® Certified
  • Rated Best Software Development Agency in New York City - Expertise (2021)
  • Rated Top Software Development Company - Clutch, New York (2020)
  • Rated Top Software Development Company - Clutch, New York (2019)
  • 60+ clients and 350+ projects
  • 250+ employees, and expanding quickly
  • A work environment that inspires people to collaborate and do great work on cutting edge technologies

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