Senior Frontend Engineer – Data Annotation

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.