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31 Dataannotation Javascript Developer Jobs Hiring in CO

DataAnnotation

DevOps Engineer - AI Trainer

Denver, CO · On-site +1

$60/hr

Join the DataAnnotation team and contribute to developing cutting‐edge AI systems, while enjoying ... JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, or Swift. Excellent writing and ...

DataAnnotation

Web Developer - AI Trainer

Denver, CO · On-site +1

$60/hr

Join the DataAnnotation team and contribute to developing cutting‐edge AI systems, while enjoying ... JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, or Swift. Excellent writing and ...

DataAnnotation

Back End Developer - AI Trainer

Denver, CO · On-site +1

$60/hr

Join the DataAnnotation team and contribute to developing cutting‐edge AI systems, while enjoying ... JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, or Swift. Excellent writing and ...

DataAnnotation

UI/UX Developer - AI Trainer

Denver, CO · On-site +1

$60/hr

Join the DataAnnotation team and contribute to developing cutting‐edge AI systems, while enjoying ... JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, or Swift. Excellent writing and ...

DataAnnotation

Senior Software Engineer

Denver, CO · On-site +1

$60/hr

Join the DataAnnotation team and contribute to developing cutting‐edge AI systems, while enjoying ... JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, or Swift. Excellent writing and ...

DataAnnotation

Release Engineer - AI Trainer

Denver, CO · On-site +1

$60/hr

Join the DataAnnotation team and contribute to developing cutting‐edge AI systems, while enjoying ... JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, or Swift. Excellent writing and ...

DataAnnotation

C++ Engineer - AI Trainer

Denver, CO · On-site +1

$60/hr

Join the DataAnnotation team and contribute to developing cutting‐edge AI systems, while enjoying ... JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, or Swift. Excellent writing and ...

DataAnnotation

Data Engineer - AI Trainer

Denver, CO · On-site +1

$60/hr

Join the DataAnnotation team and contribute to developing cutting‐edge AI systems, while enjoying ... JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, or Swift. Excellent writing and ...

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DataAnnotation Jobs Information

What are the key skills and qualifications needed to thrive as a JavaScript Developer, and why are they important?

To thrive as a JavaScript Developer, you need strong proficiency in JavaScript, HTML, CSS, and a solid understanding of web development principles, often backed by a degree in computer science or comparable experience. Familiarity with frameworks like React or Angular, version control systems like Git, and build tools such as Webpack is typically required. Problem-solving, attention to detail, and effective communication are crucial soft skills for collaborating on projects and resolving technical challenges. These skills and qualities ensure the delivery of robust, maintainable, and efficient web applications that meet user and business needs.

What are some common challenges faced by JavaScript Developers when working on large-scale applications?

JavaScript Developers working on large-scale applications often encounter challenges such as maintaining code readability, managing dependencies, and ensuring performance optimization. As projects grow, it becomes essential to implement best practices like modularization, code reviews, and thorough testing to prevent bugs and technical debt. Collaboration with backend developers, designers, and QA testers is frequent, requiring clear communication and an agile mindset to deliver features efficiently and address issues as they arise.

What does a JavaScript Developer do?

A JavaScript Developer is responsible for designing, developing, and maintaining web applications using the JavaScript programming language. They typically work on both the front-end (user interface) and sometimes the back-end (server-side) of web projects, creating interactive features, optimizing performance, and ensuring cross-browser compatibility. Their role often involves collaborating with designers and other developers to deliver a seamless user experience.

What is the difference between Javascript Developer vs Front-End Developer?

AspectJavascript DeveloperFront-End Developer
Primary FocusWriting and optimizing JavaScript codeDesigning and implementing user interfaces
Required SkillsJavaScript, HTML, CSS, frameworks like React or AngularHTML, CSS, JavaScript, UI/UX design
Work EnvironmentWeb development teams, software companiesWeb design agencies, tech firms, startups

Javascript Developers focus on coding and scripting using JavaScript, while Front-End Developers handle the overall design and user experience of websites. Both roles often overlap, but the Javascript Developer specializes in scripting, whereas the Front-End Developer emphasizes UI/UX design and layout.

What are the most popular jobs at Dataannotation in Colorado?
What are the most popular states for Dataannotation Javascript Developer Jobs?
Infographic showing various Javascript Developer job openings at Dataannotation in Colorado as of May 2026, with employment types broken down into 100% Part Time. Highlights an 100% Remote job distribution.
Mobile Application Developer (Android)

Mobile Application Developer (Android)

DataAnnotation

Denver, CO • On-site, Remote

$40/hr

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

Join to apply for the Mobile Application Developer (Android) role at DataAnnotation Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for proficient programmers to help advance AI development. As a member of DataAnnotation's coding team, you'll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development.

Our platform offers an engaging blend of flexibility and challenge: you'll work closely with state-of-the-art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside a full-time role, while others treat it as their primary focus, choosing projects and schedules that align with their availability and goals.

To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass that assessment, you'll receive an email confirmation, and paid work will become available to you through our platform. Benefits Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand.

Flexible schedule: choose which projects you take on and when you work. Competitive pay: projects are paid hourly, starting at $40+ USD per hour. Opportunities for higher-paying projects are available with strong performance.

Impact: help shape the future of AI technologies. Responsibilities Design and solve diverse coding problems used to train AI systems with an emphasis on Android development. Write clear, high-quality code snippets and detailed explanations.

Evaluate AI-generated code for accuracy, performance, and clarity. Provide feedback that directly shapes the next generation of AI models. Qualifications Fluency in English (native or bilingual level).

Preferred experience in Kotlin. Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, or Swift. Excellent writing and grammar skills.

A bachelor's degree (completed or in progress). Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred. Notes Payment is made via PayPal.

We will never ask for any money from you. PayPal will handle any currency conversions from USD. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand.

Those located outside of these countries will not see work or assessments available on our site at this time. #coder Seniority level Entry level Employment type Full-time Job function Engineering and Information Technology Industries Software Development Referrals increase your chances of interviewing at DataAnnotation by 2x #J-18808-Ljbffr

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