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Data Annotation Engineer Jobs in Maine (NOW HIRING)

Data Annotation Engineer information

See Maine salary details

$49.9K

$142.8K

$190.7K

How much do data annotation engineer jobs pay per year?

As of Aug 22, 2026, the average yearly pay for data annotation engineer in Maine is $142,771.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,300.00 and $189,800.00 per year, depending on experience, location, and employer.

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 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 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 is the salary of data annotation engineer?

The salary of a data annotation engineer typically ranges from $40,000 to $80,000 annually, depending on experience, location, and the complexity of annotation tasks. Entry-level positions may start lower, while experienced professionals with specialized skills in tools like Labelbox or CVAT can earn higher salaries.

What are popular job titles related to Data Annotation Engineer jobs in Maine?

For Data Annotation Engineer jobs in Maine, the most frequently searched job titles are:

What job categories do people searching Data Annotation Engineer jobs in Maine look for?

The top searched job categories for Data Annotation Engineer jobs in Maine are:

Infographic showing various Data Annotation Engineer job openings in Maine as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 12% Part Time, 3% Temporary, and 2% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $142,771 per year, or $68.6 per hour.

Principle Scientific Software Engineer | Kumar Lab

The Jackson Laboratory

Bar Harbor, ME • On-site

$121K - $176K/yr

Full-time

Posted yesterday

New


The Jackson Laboratory rating

8.6

Company rating: 8.6 out of 10

Based on 24 frontline employees who took The Breakroom Quiz

19th of 120 rated laboratories


Job description

As a Principal Scientific Software Engineer, you will play a pivotal role in leading the development of cutting-edge machine vision software applications and systems to support research science. This position may work closely with scientists across JAX and/or external investigators. The incumbent will be at the forefront of designing, implementing, and deploying high-quality solutions. This role will also collaborate with technical team leads for daily work assignments. This role demands a highly skilled software engineer comfortable in an agile environment, with a commitment to continuous learning in a rapidly evolving technology landscape. The role in The Kumar Lab will create behavior annotation software on the Envision platform. The successful candidate will be able to work with multiple internal and external stakeholders, meet timelines, and deliver high-quality software products.

What You'll Contribute

  • Lead the implementation of high-quality projects from high-level aims to execution with minimal supervision from project sponsors/PIs. Drive the publication of applications resulting from these projects.
  • Lead or co-lead efforts to identify new bioinformatics applications and technologies. Focus on obtaining approvals and funding for impactful projects. Stay updated on emerging technologies, and evaluating their integration into our workflow.
  • Provide mentorship to Scientific Software Engineers (SSEs) and offer technical leadership to the team. Actively contribute to the technical growth and development of team members.

What You're Good At

  • Minimum of 10-15 years of experience with a BS or higher degree in computer science or bioinformatics. Significant prior work experience in scientific research software development is considered.
  • Master's or PhD preferred, in computer science or related field
  • Ability and desire to work closely on a team, sharing responsibilities for code implementation, design decisions and architectural choices in a fast-paced development cycle.

  • Excellent oral and written communication skills are a must. Ability to convey complex technical concepts to both technical and non-technical stakeholders.
  • Background in biological sciences, or a strong eagerness to learn and delve into these scientific domains.
  • Working familiarity with technologies such as Python, JavaScript, HTML5, JSON, Java, MySQL, PostgreSQL, Flask, Go, SLURM, BASH and web services. Specialized expertise in web and user interface design and development.
  • Extensive knowledge of a broad range of software engineering methodologies, technologies, and scientific applications, particularly in genomics and bioinformatics.
  • Drive the discovery and integration of new technologies, languages, frameworks, and programming techniques.
  • Evaluate and deploy improvements to team infrastructure, including project tracking systems, source repository integration, and automated build & deployment infrastructure.
  • Stay abreast of scientific developments, faculty research, and industry trends relevant to the work.
  • Develop innovative ideas for applications that meet evolving research needs.
  • Represent the institution as a senior technical voice, within the institution and externally showcasing expertise and contributing to the overall technical vision.

The salary range is $121,924 - $176,790. Salary will be determined based on qualifications and relevant years of experience.

About JAX:

The Jackson Laboratory is an independent, nonprofit biomedical research institution with a National Cancer Institute-designated Cancer Center and nearly 3,000 employees in locations across the United States (Maine, Connecticut, California),Japan andChina. Its mission is to discover precise genomic solutions for disease and empower the global biomedical community in the shared quest to improve human health.

Founded in 1929, JAX applies over nine decades of expertise in genetics to increase understanding of human disease, advancing treatments and cures for cancer, neurological and immune disorders, diabetes, aging and heart disease. It models and interprets genomic complexity, integrates basic research with clinical application, educates current and future scientists, and provides critical data, tools and services to the global biomedical community. For more information, please visitwww.jax.org.

EEO Statement:

The Jackson Laboratory provides equal employment opportunities to all employees and applicants for employment in all job classifications without regard to race, color, religion, age, mental disability, physical disability, medical condition, gender, sexual orientation, genetic information, ancestry, marital status, national origin, veteran status, and other classifications protected by applicable state and local non-discrimination laws.


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