Full-Stack Annotations Platform Specialist at Invisible Agency
, , Argentina -
Full Time


Start Date

Immediate

Expiry Date

29 Dec, 25

Salary

55.0

Posted On

30 Sep, 25

Experience

2 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

No

Skills

Frontend Development, Full-Stack Engineering, React, TypeScript, JavaScript, CSS Frameworks, REST APIs, Data Visualization, Responsive Design, Accessibility Implementation, UI Performance Optimization, System Architecture Design, Technical Documentation, Git-Based Workflows, JSON Parsing, Cross-Platform Development

Industry

Software Development

Description
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
Responsibilities
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.
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