Application Developer
DataAnnotation
full-remotemidcontractbackend Maryland, United States Today via LinkedIn
72,000 - 72,000 USD/annual
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PythonJavaScriptAlgorithmsData StructuresDebuggingCoding ChallengesEvaluationAI ChatbotsLeetCodeHackerRank
About the role
Role Overview
Join DataAnnotation as an Application Developer to help train AI models. You’ll design and evaluate coding-focused chatbot tasks, measure progress, and improve the quality of AI outputs.
Responsibilities
- Provide AI chatbots with coding challenges and review their responses
- Evaluate AI model outputs for correctness and performance
- Diagnose issues and solve problems to improve model quality
- For each coding task, explain how your solution addresses the problem
Requirements
- Proficient in at least one of: Python and/or JavaScript
- Able to solve coding problems (e.g., LeetCode, HackerRank) in a programming language such as:
- JavaScript, Python, C#, C++, HTML, SQL, or Swift
- Strong algorithm and data structure knowledge
- Detail-oriented with effective debugging workflows
- Fluency in English (native or bilingual)
- Ability to clearly communicate solution reasoning
Nice to Have
- A Bachelor’s degree (in progress or completed preferred, but not required)
Job Details
- Remote; part-time or full-time options
- Choose which projects you work on; work on your own schedule
- Independent contract position
- Paid via PayPal (hourly, USD; bonuses available for high-quality/high-volume work)
- US-only applicants
About DataAnnotation
DataAnnotation is a tech-focused organization that supports AI development and model training through practical evaluation and task-based workflows. The role described involves assessing AI chatbot outputs and improving model quality as part of training AI systems.
Scraped 4/2/2026