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Full Stack Partner for Digital products and experiences
Senior Frontend Engineer, Experimentation & Growth
Location
United States
Posted
158 days ago
Salary
0
Seniority
Senior
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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