Full-Stack Annotations Platform Specialist

Full-Stack Annotations Platform Specialist

SUMMARY

Engineering services for developing a Next-Generation Annotations Platform to streamline data labeling workflows and enhance annotation quality for AI/ML model training.

Target Profile:

• 3+ years of experience in frontend development and full-stack engineering in production environments.
• Strong programming skills in React, TypeScript, and JavaScript, with an ability to write clean, maintainable code.
• Experience with modern CSS frameworks (Tailwind CSS, SCSS/SASS, Styled Components) and build tools (Webpack, Babel, NPM/Yarn/Bun).
• Proficient with designing and consuming REST APIs, and working with annotation platforms and data visualization.
• Solid understanding of responsive design, accessibility implementation, and UI performance optimization.
• Familiarity with system architecture design, technical documentation, and modern Git-based workflows.
• Experience with JSON parsing, data import/export functionality, and cross-platform development.

Project Overview & Deliverables:

• Core Platform Development: Build and develop annotation platform components, including annotation tools, APIs, and data handling systems using React, TypeScript, and modern frontend technologies.
• UI/UX Implementation: Convert design concepts into functional code and create responsive components for desktop and mobile platforms while ensuring optimal user experience and accessibility compliance.
• Architecture & Documentation: Contribute to platform architecture design and create comprehensive technical documentation, including architecture diagrams and implementation guides.

What You'll Do: You'll design and develop frontend systems powering production-grade annotation platforms in a modern, component-based environment. You'll build robust user interfaces, implement responsive designs across platforms, and contribute to scalable system architecture. The project will deliver intuitive user experiences and a performant frontend. 

We offer a pay range of $30-to- $55 per hour, with the exact rate determined after evaluating your experience, expertise, and geographic location. Final offer amounts may vary from the pay range listed above. As a contractor you’ll supply a secure computer and high‑speed internet; company‑sponsored benefits such as health insurance and PTO do not apply.

Important:

All candidates must interview as part of the contracting process.

We are looking for independent consultants & contractors who run/operate their own business