Staff Frontend Engineer

🔥 16 hours ago

🇺🇸 United States – Remote

💵 $180k - $240k / year

⏰ Full Time

🔴 Lead

💻 Frontend Engineer / Web Developer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

👻 Ghost score 0%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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NewtonX

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2017

💼 Consulting

📣 Marketing

☁️ SaaS

💰 $32M Series B - NewtonX on 2021-12

Consulting • Marketing • SaaS

NewtonX is a B2B market research and insights company that combines AI-enabled data collection, recruitment of verified expert respondents, and synthetic data augmentation to deliver fast, high-quality market intelligence and analysis. The company provides services across brand & communications, customer research, market opportunity, and product research, and offers a SaaS platform (NewtonX Hub and NewtonX Prime) including AI-moderated interviews and an always-on research analyst (Hub Researcher) to help enterprises and agencies turn complex questions into actionable strategy.

📋 Description

• Own the architecture of React/TypeScript applications and the patterns the team builds on • Lead development of performant, accessible UIs for complex research and analytics workflows • Set and defend frontend standards for performance budgets, accessibility, testing, and CI quality gates • Build and evolve the shared component library and design system with Design • Drive measurable performance improvements by profiling, fixing bottlenecks, and instrumenting solutions • Partner with backend engineers on API contracts • Deliberately pay down frontend technical debt • Contribute to Python/Django services where it speeds delivery • Mentor engineers • Own department-wide technical initiatives from proposal through adoption

🎯 Requirements

• 6+ years of engineering experience, mostly frontend, including 3+ years at a senior level owning projects end-to-end • Deep expertise in React, including hooks, composition patterns, and rendering behavior • Strong TypeScript skills • Expert JavaScript (ES6+), HTML, and CSS/SCSS, including the modern layout model • Proven ownership of frontend architecture at scale, including module boundaries, shared component libraries, and state management strategy • Web performance expertise, including Core Web Vitals, bundle analysis, code splitting, virtualization, and profiling with real tooling • Accessibility fluency, including WCAG 2.1 AA, semantic HTML, keyboard and focus management, and screen reader testing • Design system experience with reusable, themeable, documented components built in partnership with Design • Testing experience with Jest, React Testing Library, and end-to-end coverage using Playwright or Cypress • Fluency consuming REST and/or GraphQL APIs, including data-fetching and caching patterns such as React Query, SWR, or Apollo • Working knowledge of Python/Django sufficient to read backend code, shape endpoints with backend engineers, and ship small changes • Ability to mentor and conduct judgment-based code reviews • U.S. work authorization is requested in the application form

🏖️ Benefits

• Equity • Excellent medical, dental, and vision insurance • 401k match with immediate vesting • Generous paid time off, including vacation, holidays, sick, and parental leave • Diverse, collaborative, and positive culture where the company invests in and celebrates employees’ success