With experts in biomedical science, software engineering, and program management, we focus on ... Develop benchmark datasets, annotation guidelines, and evaluation pipelines for scientific ...
Quick apply
With experts in biomedical science, software engineering, and program management, we focus on ... Develop benchmark datasets, annotation guidelines, and evaluation pipelines for scientific ...
Quick apply
With experts in biomedical science, software engineering, and program management, we focus on ... Develop benchmark datasets, annotation guidelines, and evaluation pipelines for scientific ...
Experience with scalable data engineering frameworks such as Apache Spark and orchestration ... annotation tools and semantic frameworks. \n * Ability to clean and process large amounts of real ...
Experience with scalable data engineering frameworks such as Apache Spark and orchestration ... annotation tools and semantic frameworks. \n * Ability to clean and process large amounts of real ...
$120K - $180K/yr
Software Engineers own userfacing features endtoend: slick React/NextJS interfaces, performant Node ... Design delightful data workflow such as instant search, realtime diffing, collaborative annotation ...
$120K - $180K/yr
Software Engineers own userfacing features endtoend: slick React/NextJS interfaces, performant Node ... Design delightful data workflow such as instant search, realtime diffing, collaborative annotation ...
Coordinate data collection and annotation efforts for supervised training efforts * Design and ... Strong programming skills in Python required. Experience in java and html a plus. * Experience ...
Coordinate data collection and annotation efforts for supervised training efforts * Design and ... Strong programming skills in Python required. Experience in java and html a plus. * Experience ...
Bethesda, MD · On-site +1
$58.25 - $77/hr
NCBI, the National Center for Biotechnology Information, the nation's premier biomedical resource, is seeking a software developer to help deliver biological sequence annotation and data curation ...
Bethesda, MD · On-site +1
$58.25 - $77/hr
NCBI, the National Center for Biotechnology Information, the nation's premier biomedical resource, is seeking a software developer to help deliver biological sequence annotation and data curation ...
Bethesda, MD · On-site
$58.25 - $77/hr
NCBI, the National Center for Biotechnology Information, the nation's premier biomedical resource, is seeking a software developer to help deliver biological sequence annotation and data curation ...
Bethesda, MD · On-site
$58.25 - $77/hr
NCBI, the National Center for Biotechnology Information, the nation's premier biomedical resource, is seeking a software developer to help deliver biological sequence annotation and data curation ...
Reston, VA · On-site
Coordinate data collection and annotation efforts for supervised training efforts * Design and ... Strong programming skills in Python required. Experience in java and html a plus. * Experience ...
Reston, VA · On-site
Coordinate data collection and annotation efforts for supervised training efforts * Design and ... Strong programming skills in Python required. Experience in java and html a plus. * Experience ...
Ashburn, VA · On-site
... data. * Identify where additional human annotation and proofreading will be most helpful and design ... Compensation Range AI Engineer I: $96,325.60 (minimum) - $120,407.00 (midpoint) - $156,529.10 ...
Ashburn, VA · On-site
... data. * Identify where additional human annotation and proofreading will be most helpful and design ... Compensation Range AI Engineer I: $96,325.60 (minimum) - $120,407.00 (midpoint) - $156,529.10 ...
$107K - $147K/yr
Experience with data curation/annotation workflows and dataset quality control. * Software engineering: Python (NumPy, scipy, pandas/polars), PyTorch (preferred) or TensorFlow, git, CI/CD pipelines ...
$107K - $147K/yr
Experience with data curation/annotation workflows and dataset quality control. * Software engineering: Python (NumPy, scipy, pandas/polars), PyTorch (preferred) or TensorFlow, git, CI/CD pipelines ...
$105K - $145K/yr
Experience with data curation/annotation workflows and dataset quality control. * Software engineering: Python (NumPy, scipy, pandas/polars), PyTorch (preferred) or TensorFlow, git, CI/CD pipelines ...
Quick apply
$105K - $145K/yr
Experience with data curation/annotation workflows and dataset quality control. * Software engineering: Python (NumPy, scipy, pandas/polars), PyTorch (preferred) or TensorFlow, git, CI/CD pipelines ...
$120K - $180K/yr
Software Engineer Washington, DC State Affairs is the nation's leading news and policy intelligence ... Design delightful data workflow such as instant search, real-time diffing, collaborative annotation ...
$120K - $180K/yr
Software Engineer Washington, DC State Affairs is the nation's leading news and policy intelligence ... Design delightful data workflow such as instant search, real-time diffing, collaborative annotation ...
$149K - $210K/yr
Ship feature parity with web via universal search, saved feeds, and collaborative annotation which ... market data and internal team equity. Benefits listed in this posting may vary depending on the ...
$149K - $210K/yr
Ship feature parity with web via universal search, saved feeds, and collaborative annotation which ... market data and internal team equity. Benefits listed in this posting may vary depending on the ...
BlackSky is seeking a Staff AI Engineer to lead the architecture, development, and delivery of ... Collaborate with the Data QA team to define annotation standards, resolve taxonomy issues, and ...
BlackSky is seeking a Staff AI Engineer to lead the architecture, development, and delivery of ... Collaborate with the Data QA team to define annotation standards, resolve taxonomy issues, and ...
Washington, DC · On-site
$120K - $180K/yr
Software Engineers own user-facing features end-to-end: slick React/Next JS interfaces, performant ... Design delightful data workflow such as instant search, real-time diffing, collaborative annotation ...
Washington, DC · On-site
$120K - $180K/yr
Software Engineers own user-facing features end-to-end: slick React/Next JS interfaces, performant ... Design delightful data workflow such as instant search, real-time diffing, collaborative annotation ...
Herndon, VA · On-site +1
Staff AI Engineer About Us: BlackSky is a real-time intelligence company. We own and operate the ... Collaborate with the Data QA team to define annotation standards, resolve taxonomy issues, and ...
Herndon, VA · On-site +1
Staff AI Engineer About Us: BlackSky is a real-time intelligence company. We own and operate the ... Collaborate with the Data QA team to define annotation standards, resolve taxonomy issues, and ...
Herndon, VA · On-site
Staff AI Engineer About Us: BlackSky is a real-time intelligence company. We own and operate the ... Collaborate with the Data QA team to define annotation standards, resolve taxonomy issues, and ...
Herndon, VA · On-site
Staff AI Engineer About Us: BlackSky is a real-time intelligence company. We own and operate the ... Collaborate with the Data QA team to define annotation standards, resolve taxonomy issues, and ...
Handle data preprocessing, training orchestration, and hyperparameter optimization for multimodal ... Familiarity with annotation tools and active learning workflows * Containerized ML experience with ...
Handle data preprocessing, training orchestration, and hyperparameter optimization for multimodal ... Familiarity with annotation tools and active learning workflows * Containerized ML experience with ...
Springfield, VA · On-site
$175K - $250K/yr
Handle data preprocessing, training orchestration, and hyperparameter optimization for multimodal ... Familiarity with annotation tools and active learning workflows * Containerized ML experience with ...
Springfield, VA · On-site
$175K - $250K/yr
Handle data preprocessing, training orchestration, and hyperparameter optimization for multimodal ... Familiarity with annotation tools and active learning workflows * Containerized ML experience with ...
... programming skills for clinical trials; SAS strongly preferred. * Working knowledge of FDA submission expectations for study data standards and documentation (Define.XML, SDRG/ADRG, CRF annotation)
... programming skills for clinical trials; SAS strongly preferred. * Working knowledge of FDA submission expectations for study data standards and documentation (Define.XML, SDRG/ADRG, CRF annotation)
... programming skills for clinical trials; SAS strongly preferred. * Working knowledge of FDA submission expectations for study data standards and documentation (Define.XML, SDRG/ADRG, CRF annotation)
... programming skills for clinical trials; SAS strongly preferred. * Working knowledge of FDA submission expectations for study data standards and documentation (Define.XML, SDRG/ADRG, CRF annotation)
$58.3K - $73.3K
2% of jobs
$73.3K - $88.3K
9% of jobs
$98.7K is the 25th percentile. Wages below this are outliers.
$88.3K - $103.3K
20% of jobs
$103.3K - $118.3K
4% of jobs
$118.3K - $133.2K
4% of jobs
$133.2K - $148.2K
1% of jobs
$148.2K - $163.2K
0% of jobs
$163.2K - $178.2K
0% of jobs
The median wage is $185.7K / yr.
$178.2K - $193.2K
18% of jobs
$193.2K - $208.1K
0% of jobs
$214K is the 75th percentile. Wages above this are outliers.
$208.1K - $223.1K
41% of jobs
$58.3K
$167K
$223.1K
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.
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.
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.

Full-time
Medical, Dental, Vision, Retirement, PTO
Posted 12 days ago
Axle is a bioscience and information technology company that offers advancements in translational research, biomedical informatics, and data science applications to research centers and healthcare organizations nationally and abroad. With experts in biomedical science, software engineering, and program management, we focus on developing and applying research tools and techniques to empower decision-making and accelerate research discoveries. We work with some of the top research organizations and facilities in the country including multiple institutes at the National Institutes of Health (NIH).
Benefits We Offer:
We are seeking a postdoctoral researcher to develop AI/NLP and knowledge engineering methods that transform biomedical literature, experimental protocols, and source evidence into structured, quarriable, and evidence-grounded knowledge for organoid protocol standardization and optimization.
The postdoc will work at the intersection of large language models, biomedical NLP, scientific document understanding, knowledge graphs, ontology grounding, computational biology, and human-in-the-loop curation. Potential projects include LLM-based protocol extraction, retrieval-augmented literature mining, curated knowledge graph construction, ontology and entity normalization, protocol comparison, consensus protocol derivation, benchmark design, and natural-language interfaces over structured biological knowledge.
Responsibilities
Design and implement AI/NLP methods for biomedical literature mining and structured protocol knowledge extraction.
Develop benchmark datasets, annotation guidelines, and evaluation pipelines for scientific information extraction.
Build and evaluate RAG, in-context learning, fine-tuning, graph matching, entity normalization, and KG query workflows.
Analyze extraction errors, model behavior, retrieval failures, grounding quality, and biological ambiguity.
Collaborate with software engineers to integrate research methods into usable tools and reproducible pipelines.
Collaborate with organoid biologists and domain experts to translate biological protocol knowledge into computable representations.
Prepare manuscripts, conference abstracts, technical reports, design documents, and open-source research artifacts.
Help define research milestones, evaluation criteria, and publication strategy for protocol intelligence work.
Required Qualifications
PhD in computer science, computational biology, bioinformatics, biomedical informatics, NLP, machine learning, data science, or a related field.
Strong Python programming skills.
Demonstrated research experience with NLP, information extraction, LLMs, RAG, transformers, structured prediction, or scientific text mining.
Ability to design controlled computational experiments, create benchmark datasets, and analyze results rigorously.
Familiarity with biological, biomedical, or scientific data.
Strong written communication skills and interest in publishing methods-oriented research.
Comfort working with complex, evolving research codebases and interdisciplinary teams.
Preferred Qualifications
Experience with scientific document processing, PDF parsing, biomedical literature mining, or methods-section extraction.
Experience with knowledge graphs, ontologies, graph databases, graph algorithms, or semantic data modeling.
Hands-on experience with fine-tuning LLMs, LoRA/QLoRA, Hugging Face, PyTorch, or API-based model evaluation.
Hands-on experience with prompt engineering, structured JSON extraction, schema validation, tool use, or agentic LLM workflows.
Hands-on experience with RAG systems, vector search, graph-augmented retrieval, or natural-language query over structured data.
Exposure to bioinformatics concepts (e.g., sequence alignment, clustering, or phylogenetic analysis) that can inform protocol comparison and similarity methods.
Background in stem cell biology, organoids, developmental biology, wet-lab protocols, or biological assays, enabling more effective collaboration with domain experts.
Disclaimer: The above description is meant to illustrate the general nature of work and level of effort being performed by individuals assigned to this position or job description. This is not restricted as a complete list of all skills, responsibilities, duties, and/or assignments required. Individuals may be required to perform duties outside of their position, job description or responsibilities as needed.
The diversity of Axle's employees is a tremendous asset. We are firmly committed to providing equal opportunity in all aspects of employment and will not tolerate any illegal discrimination or harassment based on age, race, gender, religion, national origin, disability, marital status, covered veteran status, sexual orientation, status with respect to public assistance, and other characteristics protected under state, federal, or local law and to deter those who aid, abet, or induce discrimination or coerce others to discriminate.
Accessibility: If you need an accommodation as part of the employment process please contact: careers@axleinfo.com
This role has a market-competitive salary with an anticipated base compensation range listed below. Actual salaries will vary depending on a candidate's experience, qualifications, skills, and location.