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Frontend Senior Software Engineer Web – Data Annotation

Austin, TX

About the Team

We are a frontend engineers team passionate about creating state-of-the-art data annotation tools. Our team works closely with backend services and external annotation providers to enable seamless 2D and 3D labeling workflows. We embrace a collaborative environment where everyone contributes ideas and works together to push the boundaries of performance, usability, and innovation in data-centric applications.

About the Role

We are seeking a Frontend Senior Software Engineer to design and develop advanced data annotation tools, including 2D and 3D instance/segmentation annotation capabilities. You will integrate these tools with external annotation platforms and providers, helping us build a seamless data labeling pipeline critical for our machine learning and AI initiatives.

What You'll Do

Design and Develop Annotation Tools

  • Build interactive, high-performance 2D and 3D data labeling applications using modern frontend technologies.
  • Collaborate with product and data teams to ensure the tools meet evolving annotation requirements.

Integrate with External Platforms

  • Work with third-party annotation services, ensuring smooth data flows and user-friendly interfaces.
  • Implement APIs and interfaces to seamlessly connect internal tools with external systems.

Improve User Experience

  • Design intuitive, robust UI/UX for data labeling workflows.
  • Optimize performance and usability to handle complex 3D scenes and large-scale datasets.

What You'll Need

  • Proficiency in TypeScript and React. Demonstrable experience building scalable, maintainable front-end applications.
  • Three.js or another 3d libraries expertise. Strong background in 3D graphics programming for interactive data visualization.
  • Strong Collaboration & Communication Skills. Ability to work cross-functionally with product managers, designers, and backend teams.

Nice to Have

  • Test Automation Experience. Familiarity with frameworks like Playwright or similar tools.
  • Python Development. Basic understanding of collaborating effectively with backend or data engineering teams.
  • AWS Cloud Infrastructure. Experience deploying and managing frontend applications in the cloud (AWS, GCP, or Azure).

Candidates are required to be authorized to work in the U.S. The employer is not offering relocation sponsorship, and remote work options are not available.

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