Source Job

• Manage evaluation task assignment and distribution for a globally distributed annotator workforce across projects and locales.
• Track assignment completion, flag delays, and act as first-line support for evaluators on platform and project questions.
• Maintain project trackers, records, and documentation, and support calibration workflows to ensure quality data.

Cartesia builds AI that learns from and interacts with the world like humans do, pioneering new model architectures like State Space Models. Founded by Stanford AI Lab PhDs, the company is backed by leading investors and employs a team of experts in model innovation, systems engineering, and product engineering with offices in San Francisco, London, and Bangalore.

• Annotate or label text, images, or audio to train AI systems
• Evaluate search results, ads, or chatbot responses for quality and relevance
• Create and test prompts to improve large language models (LLMs)

Welo Data is a global AI data company with 500,000+ contributors delivering high-quality, ethical data to train advanced AI systems. They are building smarter, more human AI with a diverse community in over 100 countries.

• Design and deliver high-quality AI evaluation data initiatives, from proposals through pilot execution and production readiness.
• Recruit and manage subject-matter experts across technical domains, ensuring rigorous quality control frameworks.
• Act as key interface with AI lab partners, converting pilots into scaled production engagements.

Jobgether uses AI-powered matching to connect candidates with roles quickly and fairly. They are a remote-first company that shares top-fitting candidates with hiring partners.

• Annotate and review multimedia data (video, images, metadata) using defined labeling rules and guidelines.
• Perform self-QA, track recurring issues, and contribute to guideline improvements with clear documentation.
• Collaborate with stakeholders to meet throughput and quality targets while participating in calibration sessions.

Welo Data provides AI services, specializing in data annotation and quality review for multimedia content. As a growing remote team, we offer freelance opportunities for detail-oriented professionals to enhance global AI systems.

• Annotate and review multimedia data accurately using defined labeling rules, including event tagging and object attributes.
• Perform self-QA and participate in calibration sessions to maintain consistency and high accuracy across projects.
• Coordinate with stakeholders to meet throughput and quality targets while tracking and documenting recurring issues.

Welo Data provides AI services including data annotation for multimedia content. They are a global company offering remote opportunities, emphasizing a dynamic network and community for contributors.

• Create Copilot-style prompts based on defined personas and enterprise scenarios.
• Work on tasks such as document summaries, video highlights, and business use cases.
• Review short narratives and select relevant visuals, then generate prompts.

CrowdGen by Appen provides AI training data services. As a project-based Independent Contractor, you will contribute to building datasets for video AI systems.

• Edit and review machine-translated customer service content with high accuracy and consistency.
• Evaluate MT output quality and apply severity ratings following project guidelines.
• Produce high-quality human translations as reference data for model training and quality evaluation.

Welo Data provides AI services, specializing in language data and quality evaluation. The company is a global organization offering freelance opportunities to language professionals.

• Craft challenging, expert-level questions on Brazilian topics in Animals and Pets.
• Write ideal responses in Brazilian Portuguese and break them down into cited facts with sources.
• Perform AI data annotation for training data for AI systems on a flexible freelance schedule.

Welocalize accelerates global business by enabling brands to reach international audiences through multilingual content transformation services. The company delivers translation and localization for over 250 languages with a network of over 400,000 linguistic resources and operates across North America, Europe, and Asia.

• Review, evaluate, and annotate AI-generated content across text, images, audio, and video.
• Perform quality checks to ensure accuracy, consistency, and compliance with project guidelines.
• Identify edge cases and contribute to the development of high-quality datasets used to train advanced AI models.

Welo Data is a global AI data company that provides high-quality, ethical data to train advanced AI systems. They have over 500,000 contributors worldwide and emphasize limitless growth and support for their community of freelancers.

• Keep engineering projects organized and moving: track what's in flight, flag what's blocked, and help the team stay clear on what's next.
• Own quality: test what we build, use AI to automate the repetitive parts, and write Capybara tests where they're worth it.
• Run the bug pipeline: reproduce issues, prioritize them, route them to the right engineer, and confirm the fix.

We are an AI-native organization building pathways into tech for the next generation of engineers, CTOs, and founders. With over 40,000 learners and alumni from 1,100+ colleges now working at 4,050 companies including Amazon, Google, and Meta, we are reshaping who leads tech.