... the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to ... This is a fully remote, flexible contract role working on real production systems - not toy ...
... the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to ... This is a fully remote, flexible contract role working on real production systems - not toy ...
... annotation tooling, and evaluation systems that leading AI labs depend on every day ... This is a fully remote contract role with meaningful technical depth and real production impact.
... annotation tooling, and evaluation systems that leading AI labs depend on every day ... This is a fully remote contract role with meaningful technical depth and real production impact.
... data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to train and validate next-generation models. This is a fully remote contract role with flexible hours - you ...
... data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to train and validate next-generation models. This is a fully remote contract role with flexible hours - you ...
... the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on every day. This is a fully remote, flexible contract role for an experienced engineer who lives and ...
... the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on every day. This is a fully remote, flexible contract role for an experienced engineer who lives and ...
Remote AI Analyst
Tacoma, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Tacoma, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Kent, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Kent, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Everett, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Everett, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Kent, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Kent, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Tacoma, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Tacoma, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Renton, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Renton, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Bellevue, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Bellevue, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Federal Way, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Federal Way, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Seattle, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Seattle, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Everett, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Everett, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Renton, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Renton, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Federal Way, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Federal Way, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Seattle, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Seattle, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Bellevue, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
Remote AI Analyst
Bellevue, WA · Remote
Duration of Contract - 10 weeks Requirement - Full time Contract - 40hrs/week - 4 hours PST Overlap ... data annotation, content review, quality assurance, or fintech-related projects is a plus.
French Data Quality Analyst(Human-in-the-Loop AI)
Seattle, WA · On-site
$38/hr
Contract Duration: 1-year contract with possibility of extension Important : This is a 100% onsite ... data annotation, content quality, QA, or related fields * Strong ability to interpret and apply ...
Quick apply
French Data Quality Analyst(Human-in-the-Loop AI)
Seattle, WA · On-site
$38/hr
Contract Duration: 1-year contract with possibility of extension Important : This is a 100% onsite ... data annotation, content quality, QA, or related fields * Strong ability to interpret and apply ...
Project Perseus \u007C Data Quality Analyst - Turkish Speakers (Human-in-the-Loop AI)
Seattle, WA · On-site
$38/hr
Contract Duration: 1-year contract with possibility of extension Important : This is a 100% onsite ... B2 or superior level of English. * 2-4 years of experience in data annotation, content quality, QA, ...
Quick apply
Project Perseus \u007C Data Quality Analyst - Turkish Speakers (Human-in-the-Loop AI)
Seattle, WA · On-site
$38/hr
Contract Duration: 1-year contract with possibility of extension Important : This is a 100% onsite ... B2 or superior level of English. * 2-4 years of experience in data annotation, content quality, QA, ...
Contract Data Annotation information
What is the difference between Contract Data Annotation vs Data Labeler?
| Aspect | Contract Data Annotation | Data Labeler |
|---|---|---|
| Credentials | Basic computer skills, attention to detail | Basic computer skills, attention to detail |
| Work Environment | Remote or on-site, project-based | Remote or on-site, task-based |
| Industry Usage | AI/ML training, tech companies | AI/ML training, tech companies |
| Job Focus | Annotating data for machine learning models | Labeling data to improve AI algorithms |
Contract Data Annotation involves completing specific annotation projects for AI training, often on a contractual basis. Data Labelers focus on labeling data to enhance machine learning models, typically performing similar tasks. Both roles require attention to detail and are used in AI/ML industries, but Contract Data Annotation emphasizes project-based work with defined deliverables.
What is a contract data annotation job?
A contract data annotation job involves labeling or tagging data—such as images, text, audio, or video—according to specific guidelines, usually on a temporary or project-based contract. These annotations help train machine learning models by providing accurate, human-labeled examples for algorithms to learn from. Contract workers are typically hired for a set period or project and may work remotely or on-site, depending on the employer. The work requires attention to detail, adherence to quality standards, and sometimes familiarity with specialized annotation tools.
What are the key skills and qualifications needed to thrive as a Contract Data Annotation Specialist, and why are they important?
To thrive as a Contract Data Annotation Specialist, you need a keen eye for detail, strong analytical skills, and familiarity with data labeling standards, often supported by experience in data management or related fields. Proficiency with annotation platforms (such as Labelbox, Prodigy, or CVAT) and basic knowledge of data formats like JSON or XML are commonly required. Excellent communication, time management, and the ability to work independently help individuals excel in this often remote and deadline-driven role. These skills ensure high-quality, accurate data annotations that are vital for training reliable machine learning models.
What are some common challenges faced by contract data annotation professionals, and how can they be effectively managed?
Contract data annotation professionals often encounter challenges such as maintaining consistency in labeling, managing tight project deadlines, and ensuring data privacy. These challenges can be effectively managed by following detailed annotation guidelines, utilizing collaborative tools for team communication, and participating in regular quality assurance checks. Staying organized and proactive about seeking clarification from project leads also helps ensure high-quality, accurate results and a smooth workflow.
What are the most commonly searched types of Data Annotation jobs in Seattle, WA? The most popular types of Data Annotation jobs in Seattle, WA are:
What are popular job titles related to Contract Data Annotation jobs in Seattle, WA? For Contract Data Annotation jobs in Seattle, WA, the most frequently searched job titles are:
- Healthcare Data Scientist
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What job categories do people searching Contract Data Annotation jobs in Seattle, WA look for? The top searched job categories for Contract Data Annotation jobs in Seattle, WA are:
What cities near Seattle, WA are hiring for Contract Data Annotation jobs? Cities near Seattle, WA with the most Contract Data Annotation job openings:
Other
Posted 11 days ago
Job description
Senior Python Full-Stack Engineer - AI Data & Infrastructure
About the Role
What if your Python expertise could directly shape the infrastructure behind the most advanced AI systems in the world? We're looking for a Senior Python Full-Stack Engineer to build the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to train and improve next-generation models.
This is a fully remote, flexible contract role working on real production systems - not toy projects. If you're a seasoned Python engineer who thrives on high-impact, technically challenging work, this is where your skills belong.
About the Role
What if your Python expertise could directly shape the infrastructure behind the most advanced AI systems in the world? We're looking for a Senior Python Full-Stack Engineer to build the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to train and improve next-generation models.
This is a fully remote, flexible contract role working on real production systems - not toy projects. If you're a seasoned Python engineer who thrives on high-impact, technically challenging work, this is where your skills belong.
- Organization
: Alignerr - Type
: Hourly Contract - Location
: Remote - Commitment
: 20-40 hours/week
- Design, build, and optimize high-performance Python systems supporting large-scale AI data pipelines and evaluation workflows
- Develop full-stack tooling and backend services for data annotation, validation, and quality control at scale
- Identify and eliminate bottlenecks, edge cases, and reliability issues across production codebases
- Collaborate closely with data, research, and engineering teams to support model training and evaluation infrastructure
- Improve safety, performance, and maintainability of existing systems
- Participate in synchronous design reviews and iterate on system architecture with expert colleagues
- Native or fluent English speaker with strong written and verbal communication skills
- Full-stack developer with a solid systems programming background
- 5+ years of professional experience writing production-grade Python
- Deep understanding of performance optimization and concurrency - asyncio, multiprocessing, threading - and type safety tools like Pydantic and mypy
- Proven experience building robust backend services (FastAPI, Django, or similar) or scalable data pipelines
- Able to commit 20-40 hours per week with reliability and professionalism
- Prior experience with data annotation platforms, data quality workflows, or evaluation systems
- Familiarity with AI/ML workflows, model training pipelines, or benchmarking infrastructure
- Experience with distributed systems, developer tooling, or MLOps
- Work directly with leading AI research labs on systems that matter
- Fully remote and flexible - structure your hours around your life
- Freelance autonomy with the depth and consistency of meaningful, long-term technical work
- Collaborate with a sharp, technically rigorous team on genuinely hard engineering problems
- Potential for ongoing work and contract extension as projects scale