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Data Annotation Engineer Jobs in Denver, CO (NOW HIRING)

Computer Vision II

Centennial, CO · On-site

$105K - $145K/yr

About the Role A Computer Vision Engineer II leverages advanced programming and machine-learning ... Experience with data annotation and management for training computer vision models. * Knowledge of ...

Computer Vision II

Centennial, CO · On-site

$105K - $145K/yr

About the Role A Computer Vision Engineer II leverages advanced programming and machine-learning ... Experience with data annotation and management for training computer vision models. * Knowledge of ...

Data Scientist 1

Louisville, CO · On-site

$85 - $115/hr

This role will also leverage machine learning, statistical analysis, and data engineering ... Build and deploy annotation, training, and evaluation pipelines and automate workflows to improve ...

Software Developer

Englewood, CO · On-site

$75K - $95K/yr

UDC is seeking a full-time GIS Software Developer to design, develop, configure, and maintain (GIS ... Datum and Projection concepts, X/Y vs Lat/Long usage and translation, Symbology, Annotation ...

Data Annotation Engineer information

See Denver, CO salary details

$53K

$151.8K

$202.8K

How much do data annotation engineer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for data annotation engineer in Denver, CO is $151,778.00, according to ZipRecruiter salary data. Most workers in this role earn between $86,500.00 and $201,700.00 per year, depending on experience, location, and employer.

What are the main challenges faced by data annotation engineers in their daily work?

One of the main challenges Data Annotation Engineers face is ensuring consistent accuracy and quality in labeling large and often complex datasets. Attention to detail is critical, as even small errors can significantly affect machine learning model performance. Additionally, engineers must frequently adapt to evolving annotation guidelines and emerging data types, which requires ongoing learning and flexibility. Collaboration with data scientists and project managers is common to clarify requirements and resolve ambiguities, making strong communication skills essential for success.

What are the key skills and qualifications needed to thrive as a data annotation engineer?

To thrive as a Data Annotation Engineer, you need a strong background in data analysis, attention to detail, and familiarity with annotation processes, often supported by a degree in computer science or a related field. Proficiency with annotation tools like Labelbox, CVAT, or VIA, and understanding of data formats used in machine learning, is commonly required. Excellent communication, collaboration, and organizational skills help you effectively manage projects and cooperate with cross-functional teams. These abilities are crucial for delivering high-quality labeled data, which directly impacts the performance of AI and machine learning models.

What is a data annotation engineer?

A Data Annotation Engineer is responsible for labeling and annotating data—such as text, images, audio, or video—to train machine learning models. They ensure that data is accurately categorized and structured to improve model performance. This role often involves using specialized annotation tools, following detailed guidelines, and working closely with data scientists and AI teams. Data Annotation Engineers play a crucial role in the development of AI applications by providing high-quality labeled datasets for supervised learning.

What are popular job titles related to Data Annotation Engineer jobs in Denver, CO? For Data Annotation Engineer jobs in Denver, CO, the most frequently searched job titles are:
What job categories do people searching Data Annotation Engineer jobs in Denver, CO look for? The top searched job categories for Data Annotation Engineer jobs in Denver, CO are:
What cities near Denver, CO are hiring for Data Annotation Engineer jobs? Cities near Denver, CO with the most Data Annotation Engineer job openings:
Infographic showing various Data Annotation Engineer job openings in Denver, CO as of August 2026, with employment types broken down into 55% Full Time, and 45% Contract. Highlights an 72% In-person, and 28% Remote job distribution, with an average salary of $151,778 per year, or $73 per hour.

Computer Vision II

Sierra Space Corporation

Centennial, CO • On-site

$105K - $145K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 5 days ago


Job description

Sierra Space Careers:

At Sierra Space, we build the missions and systems that keep our world secure in the domain above Earth.

Sierra Space team members share a spirit of innovation and collaboration and a belief that we can deliver on the boldest missions in space today. Together with our customers, we aim to safeguard our nation, sustain human presence in space, and secure the freedom of operations in low Earth orbit and beyond.

Our success is measured by the trust of those who rely on what we build and deliver, and our technologies keep the United States and its allies mission-ready throughout space.

We are mission-driven, and together, we are an extraordinary team.

About the RoleA Computer Vision Engineer II leverages advanced programming and machine-learning skills to create and optimize AI software and hardware that utilizes visual data to perform specific tasks or solve problems. This role is crucial for the development and enhancement of RPO (Rendezvous and Proximity Operations) capabilities and solutions for satellites.
In this role, you will develop, implement, and optimize advanced computer vision algorithms and models to process and analyze visual data. You will lead the integration of computer vision solutions into satellite systems, collaborating closely with cross-functional teams to ensure seamless functionality. Conducting comprehensive testing and validation of computer vision systems will be a key responsibility, ensuring high performance, accuracy, and reliability. You will design and develop sophisticated AI software and hardware for satellite applications, focusing on scalability and robustness. Maintaining, improving, and refactoring existing computer vision systems and algorithms will be essential to enhance performance and functionality. Additionally, you will document code, processes, and methodologies comprehensively for future reference and team collaboration. Mentoring and guiding junior engineers will be a critical part of your role, providing technical support and fostering knowledge sharing. Staying updated with the latest advancements in computer vision and machine learning technologies, you will apply relevant innovations to current projects. You will participate in code reviews, providing constructive feedback to peers, and collaborate with product managers and stakeholders to define project requirements and deliverables, ensuring alignment with organizational goals.About You

Our mission is driven by an unyielding commitment to advancing space-based technology in service of our customers and safeguarding national security. We seek individuals who are passionate about innovating beyond boundaries and relentlessly pursuing solutions that protect, preserve and empower - to join us in this critical mission.

We're looking for team members who align with our values, mission and goals - while also meeting the minimum qualifications below. The preferred qualifications are a bonus, not a requirement.

Minimum Qualifications:
  • Requires Bachelor's degree in a related field (or equivalent work experience in lieu of degree).

  • Typically 2+ years of related experience.

  • Strong understanding of at least one programming language, and general knowledge of others.

  • Strong understanding of software development principles.

  • Ability to design, code, test, and debug complex software applications.

  • Experience with different software development methodologies such as Agile and Scrum/Kanban.

  • Ability to work independently and in a team.

  • Ability to write and maintain technical documentation.

  • The ability to obtain and maintain a U.S. Security Clearance is required.

Preferred Qualifications:
  • Extensive experience with computer vision libraries and frameworks such as OpenCV, TensorFlow, or PyTorch.

  • In-depth knowledge of machine learning algorithms and techniques.

  • Experience with satellite systems or aerospace applications.

  • Proven track record of successfully delivering computer vision projects from concept to deployment.

  • Strong problem-solving skills and attention to detail.

  • Excellent communication and collaboration skills, with the ability to convey complex technical concepts to non-technical stakeholders.

  • Experience with cloud platforms and services for deploying and scaling computer vision applications.

  • Familiarity with hardware acceleration techniques for computer vision tasks, such as using GPUs or specialized hardware.

  • Experience with data annotation and management for training computer vision models.

  • Knowledge of image processing techniques and tools.

Compensation:

Pay Range:

$105,534.00 - $145,109.25

Your actual base compensation will be determined on a case-by-case basis and may vary based on job-related knowledge and skills, education,experience, internal equity and market competitiveness.

IMPORTANT NOTICE:

This position requires the ability to obtain and maintain a U.S. Security Clearance. U.S. Citizenship status is required as this position needs an active U.S. Security Clearance for employment. Non-U.S. Citizens may not be eligible to obtain a security clearance. The Department of Defense Consolidated Adjudications Facility (DoD CAF), a federal government agency, handles the adjudicative aspects of the security clearance eligibility process for industry applicants. Adjudicative factors which affect the outcome of the eligibility determination include, but are not limited to, allegiance to the U.S., foreign influence, foreign preference, criminal conduct, security violations and illegal drug use.

Elevate Your Career

At Sierra Space, we are committed to your personal and professional development. We empower you to make profound and meaningful contributions and foster a vibrant culture of collaboration, where teamwork ignites breakthrough innovations.


We also offer a generous benefit package, including medical, dental, and vision plans, 401(k) with 150% match up to 6%, life insurance, 3 weeks paid time off, and more.

Sierra Space is an industry-leading space and defense technology company providing satellites, spacecraft, and enabling mission systems and components. We deliver mission-proven technologies to our customers that safeguard our nation, protect space-based assets and enable space exploration.

Application Deadline: This role will remain posted until a qualified pool of candidates is identified.

Please note: Sierra Space does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to Sierra Space team members not through our approved vendor list or Talent Acquisition will be considered property of Sierra Space, and we will not be obligated to pay any referral fees.

Sierra Space Corporationis an equal opportunity employer and is committed to working with and providing reasonable accommodations to applicants with disabilities. If you need special assistance or a reasonable accommodation related to applying for employment withSierra Spaceor at any stage of the recruitment process, pleasecontact us.