Nextmark

Senior Frontend Engineer (Tailwind)

Contractor · Remote · 12 openings

In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.

Key Responsibilities

  • Develop and implement robust, responsive web interfaces using React and Tailwind CSS.
  • Ensure pixel-perfect implementation and maintain a consistent, scalable design system.
  • Collaborate cross-functionally with designers and backend engineers to deliver seamless user experiences.
  • Optimize frontend performance by identifying and addressing bottlenecks and enforcing best practices.
  • Contribute to the ongoing evolution of our UI architecture and component library.
  • Champion accessibility and usability standards to deliver inclusive products.
  • Communicate proactively, providing clear technical feedback in both written and verbal formats.

Required Skills & Qualifications

  • Extensive experience developing complex frontends with React and JavaScript.
  • Expertise in Tailwind CSS, with a passion for responsive and scalable design systems.
  • Strong knowledge of frontend performance optimization best practices.
  • Proven ability to deliver pixel-perfect UIs closely aligned with design requirements.
  • Excellent written and verbal communication skills, especially when working remotely.
  • Demonstrated ability to collaborate effectively in fast-paced, distributed teams.
  • Track record of building accessible and maintainable web applications.

Preferred Qualifications

  • Experience working in cross-functional Agile teams.
  • Background in building or contributing to design systems and component libraries.
  • Deep understanding of modern frontend tooling and automation workflows.

$30–$70/hr

Remote