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United States, United States, CO

Remote

Full-time

JavaScript

JavaScript

HTML

HTML

CSS

CSS

React

React

posted 2 weeks ago

Job Description: Senior Frontend Engineer

Location: Fully remote within the U.S

Join a fast-growing startup transforming how testing labs operate with a cutting-edge, cloud-native Laboratory Information Management System (LIMS). Our platform empowers diagnostics, biotech, and environmental labs to scale efficiently, minimize errors, and deliver results faster. As a remote-first team of five developers, we’re backed by top-tier investors and trusted by labs across the U.S. Our mission is to accelerate scientific progress, from detecting foodborne pathogens to advancing molecular diagnostics.

We’re seeking a Senior Frontend Engineer to lead our frontend architecture and drive a groundbreaking Embedded Analytics project. This role is about more than coding—it’s about shaping a platform that impacts science, health, and safety. You’ll define our frontend philosophy, build a unified design system, mentor engineers, and collaborate with design and product teams to create scalable, user-friendly UI systems.

Key Responsibilities:

  • Architect scalable, maintainable frontend systems using React
  • Develop and implement a design system with reusable components, tokens, and clear documentation
  • Lead the frontend development of a new Embedded Analytics initiative
  • Create onboarding documentation and promote best practices in testing, performance, and accessibility
  • Mentor engineers and establish high standards for frontend quality
  • Collaborate with design and product teams to deliver production-ready experiences

Required Qualifications:

  • 5+ years of experience in modern frontend development (React, HTML/CSS, JavaScript)
  • Expertise in building and maintaining large-scale frontend systems and reusable component libraries
  • Deep understanding of architecture patterns, state management, and performance optimization
  • Strong communication and mentoring skills
  • Proactive problem-solving and ownership mindset
  • Extensive experience with Tailwind CSS, including utility-first design principles, responsive layouts, and semantic, accessible HTML
  • Proven ability to implement or contribute to Tailwind-based component libraries and maintain consistency across large codebases

Preferred Qualifications:

  • Experience building or evolving a design system from the ground up
  • Background in modernizing frontend codebases
  • Familiarity with visual regression testing, Figma integration, or analytics-heavy interfaces
  • Experience with B2B SaaS or enterprise tools

What We Offer:

  • Salary Range: $95,000 - $125,000/year, based on experience and location
  • Variable Pay: Up to $9,500/year, tied to product and architectural milestones
  • Remote-first culture with flexible hours
  • Collaborative, feedback-driven work environment with a focus on sustainable growth
  • Comprehensive health, dental, and vision benefits (U.S.-based employees)
  • Learning & development stipend to support your growth


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