Data Annotation Specialist

Sorry, this job was removed at 08:06 p.m. (CST) on Thursday, Jul 24, 2025
San Francisco, CA, USA
In-Office
Artificial Intelligence • Software
The Role
About Us

At Hayden AI, we are on a mission to harness the power of computer vision to transform the way transit systems and other government agencies address real-world challenges.

From bus lane and bus stop enforcement to transportation optimization technologies and beyond, our innovative mobile perception system empowers our clients to accelerate transit, enhance street safety, and drive toward a sustainable future.

Hayden AI is looking for a meticulous and detail-oriented Data Annotation Specialist to join our team. As a Data Annotation Specialist, you will be responsible for overseeing the quality assurance and annotation process of datasets, ensuring accuracy and consistency. You will work closely with our internal teams to maintain high standards of data integrity and facilitate the smooth execution of data-related projects. The ideal candidate has a strong analytical mindset, excellent communication skills, and a keen eye for identifying patterns and anomalies in the data pipeline.

Responsibilities:

  • Primary focus is contributing to our route configuration and annotation process, ensuring adherence to quality standards and project requirements.

  • Review and evaluate data sets for accuracy, completeness, and consistency, identifying and resolving discrepancies or errors.

  • Develop and implement guidelines, protocols, and standard operating procedures for annotation activities.

  • Assist with training annotators, providing guidance, feedback, and support to ensure consistent and accurate results.

  • Monitor and track progress of annotation tasks, ensuring timelines are met and project goals are achieved.

  • Conduct regular quality control checks on annotated data, implementing corrective measures as needed.

  • Collaborate with cross-functional teams to address data-related issues, provide insights, and contribute to process improvements.

  • Assist in data analysis and reporting tasks as needed, providing insights and recommendations based on the reviewed/annotated data.

Required Qualifications:
  • Bachelor’s degree preferred.

  • 2+ years of relevant experience.

  • Excellent attention to detail, with a high degree of accuracy in reviewing and annotating data.

  • Strong communication and interpersonal skills, with the ability to work collaboratively in a team environment.

  • Training experience

  • Ability to prioritize tasks, meet deadlines, and adapt to changing project requirements.

  • Strong problem-solving skills and the ability to provide actionable insights based on data analysis.

  • Knowledge of machine learning concepts and experience with data labeling for machine learning models is a plus.

  • Proficiency in using spreadsheet tools (Excel, Google Sheets)

Hayden AI Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Hayden AI and has not been reviewed or approved by Hayden AI.

  • Fair & Transparent Compensation Pay is described as competitive for senior technical roles, with multiple posted ranges and wage baselines converging around high six figures. Equity and a company-wide bonus plan are also referenced as parts of the overall package.
  • Healthcare Strength Medical, dental, and vision coverage for employees and dependents is consistently listed, alongside FSA/DCFSA options. Some listings indicate very high employer premium coverage depending on role and location.
  • Retirement Support A 401(k) plan with an employer match is repeatedly cited as a standard component of the package. The presence of a stated match suggests a more structured retirement benefit than many early-stage startups.

Hayden AI Insights

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The Company
HQ: San Francisco, CA
150 Employees
Year Founded: 2019

What We Do

Artificial intelligence is already impacting almost every aspect of our lives. But cities still rely on outdated technologies that are too expensive to scale and unable to deliver on their promise. As a result, streets are becoming unsafe, and cities are becoming unmanageable. Hayden AI was founded on the belief that by combining mobile sensors with artificial intelligence, we can help governments bridge the innovation gap while making traffic flow less dangerous and more efficient. Led by a team of experts in machine learning, data science, transportation, and government technology, we’ve developed the world’s first autonomous traffic management platform — simultaneously serving citizens and multi-agency missions to help cities become safer and more sustainable.

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