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Map Annotation Jobs (NOW HIRING)

OpenReq

Senior Full Stack Engineer

San Francisco, CA · On-site

They are seeking a Senior Full-Stack Engineer to develop their 3D annotation QA tool, ensuring accuracy and reliability in 3D maps. Responsibilities : • Lead the development and enhancement of our ...

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Map Annotation information

What skills and qualifications are needed for map annotation?

To thrive as a Map Annotation specialist, you should have excellent attention to detail, spatial reasoning abilities, and familiarity with geographic information systems (GIS) or digital mapping platforms. Proficiency with annotation tools like ArcGIS, QGIS, or proprietary annotation software is often required, and some roles may prefer prior experience or training in cartography or remote sensing. Strong communication, problem-solving skills, and the ability to follow complex guidelines are valuable soft skills in this position. These skills and qualities are vital because accuracy and consistency in annotating map data directly influence the quality of geographic datasets used in applications like navigation, autonomous vehicles, and urban planning.

What does a map annotation do?

In a Map Annotation role, your day often involves reviewing and labeling satellite imagery or digital maps using specialized software to identify features like roads, buildings, or natural landmarks. You may work independently or as part of a team, following detailed guidelines to ensure consistency and high accuracy across the dataset. Collaboration with supervisors or quality assurance teams is common to resolve ambiguities and uphold annotation standards. The work is usually computer-based, and you might attend regular meetings to discuss updates to project requirements or annotation protocols. Over time, you can expand your responsibilities by training new teammates or moving into lead annotator or project coordinator roles.

What is a map annotation?

A Map Annotation job involves labeling, tagging, or annotating geographic data to improve the accuracy of digital maps. This can include identifying roads, landmarks, businesses, addresses, and other points of interest. Annotators help train AI and mapping systems by reviewing and verifying location-based information. The role requires attention to detail, spatial awareness, and sometimes familiarity with local geography. These jobs are often remote and may be project-based.

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Map Annotation jobs near you
Infographic showing various Map Annotation job openings in the United States as of August 2026, with employment types broken down into 60% Full Time, and 40% Contract. Highlights an 95% In-person, and 5% Remote job distribution.

Senior Full Stack Engineer

OpenReq

San Francisco, CA • On-site

Full-time

Re-posted 21 days ago

Job description

Job Summary:
Mach9 is at the forefront of leveraging advanced machine learning and computer vision techniques to transform raw geospatial data into actionable insights. They are seeking a Senior Full-Stack Engineer to develop their 3D annotation QA tool, ensuring accuracy and reliability in 3D maps.
Responsibilities:
• Lead the development and enhancement of our 3D annotation QA tool, ensuring a seamless and intuitive user experience for quality assurance workflows.
• Implement new features and functionalities within our platform, focusing on both typical web development tasks and specialized 3D graphics requirements.
• Work closely with our product and engineering teams to define and achieve optimal solutions for 3D and 2D UI development challenges.
• Stay abreast of the latest developments in web technologies and 3D graphics, continuously seeking to improve our platform's performance and capabilities.
Qualifications:
Required:
• Extensive experience in web development, particularly with Next.js, Node, React, and Redux, and a strong understanding of modern web development practices
• Experience with 3D graphics development, particularly in a web context
• Prior experience with Cesium.js, Three.js, or a similar renderer
• A creative and analytical approach to problem-solving, with the ability to work on complex, interactive 3D environments.
• Excellent communication and collaboration skills, with a proven track record of working effectively in dynamic, cross-functional teams.
• A commitment to high-quality code and an enthusiasm for learning new technologies and techniques
Preferred:
• Experience with Prisma or similar ORM tools.
Company:
OpenReq is a talent acquisition firm that offers recruiting and staffing solutions for early-stage start-ups. Founded in 2020, the company is headquartered in San Diego, USA, with a team of 11-50 employees. The company is currently Early Stage.

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