Merciv

Senior Frontend Engineer

Merciv
Apply
6 months ago

Base Salary

$150k - $200k/yr

Responsibilities

  • Build elegant, high-performance React components for AI-powered insights and workflows.
  • Own critical frontend architecture as the platform scales across enterprise users.
  • Collaborate with product managers, designers, and AI engineers to create intuitive visualizations and workflows.
  • Establish coding standards, conduct code reviews, and mentor team members.
  • Optimize load times, rendering performance, and smooth interaction for complex visualizations and real-time updates.
  • Implement pixel-perfect, usable, accessible interfaces across browsers and devices.
  • Own features from requirements gathering and technical design through implementation, testing, and deployment.
  • Build interfaces for agentic AI systems, including natural-language inputs, conversational flows, and transparent reasoning displays.
  • Write comprehensive tests, debug issues, and maintain enterprise-grade code quality, security, accessibility, and reliability.
  • Contribute frontend expertise to product strategy and product direction.

Requirements

  • 6–10+ years of professional frontend development experience.
  • At least 4 years building complex production web applications with modern JavaScript frameworks.
  • At least 2 years of production React experience.
  • Expert knowledge of HTML5, CSS3, modern JavaScript, and TypeScript.
  • Experience with responsive design, cross-browser compatibility, web performance optimization, and complex data handling.
  • Experience with React hooks, context, component lifecycles, state management, React ecosystem tools, and frontend architecture.
  • Experience integrating RESTful APIs and GraphQL endpoints, plus WebSocket or real-time data streaming.
  • Proficiency with testing frameworks and unit, integration, and end-to-end testing.
  • Experience building interactive data visualizations and translating complex datasets into clear visual stories.
  • Track record of owning significant frontend features end to end in startup or high-growth product environments.
  • Strong product thinking, communication, debugging, collaboration, user advocacy, and long-term architectural judgment.
  • Preferred experience with data-intensive or analytics applications, AI/ML interfaces, conversational UI, design systems, Next.js, backend technologies, Figma, accessibility and ARIA, micro-frontends, WebGL, A/B testing, feature flags, web analytics, or consumer research and retail domains.

Benefits

  • Equity participation and significant equity opportunity.
  • Budget for conferences, courses, and professional development.
  • Flexible and autonomous work environment.
  • Interview process targeted for completion within 2–4 weeks.
  • Team collaboration session is preferably in person.
  • Equal opportunity workplace.

Tech Stack

CypressD3.jsGitGraphQLJavaScriptJestNext.jsNode.jsPythonReactReduxTailwind CSSTypeScriptWebpack
Merciv

About Merciv

11-50 employees

Merciv is an AI-native consumer intelligence platform built for the brands of tomorrow. Traditional tools generate reports. Merciv generates understanding. Our platform continuously synthesizes signals across the market and surfaces what matters before you know to ask.