ZipRecruiter

Log In

G2i
G2i

60 G2I Javascript Developer Jobs Hiring Near You

next page

Showing results 1-20

All JobsG2I JobsG2I Javascript Developer Jobs

G2i 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 other companies are hiring for Javascript Developer jobs?
What are the most popular jobs at G2I?
What are the most popular categories at G2I?
Infographic showing various Javascript Developer job openings at G2I in the United States as of May 2026, with employment types broken down into 7% Full Time, and 93% Contract. Highlights an 9% Physical, and 91% Remote job distribution.
Senior Software Engineer - AI Evaluation & Benchmarks (Python)

Senior Software Engineer - AI Evaluation & Benchmarks (Python)

G2i Inc.

Columbus, OH • On-site, Remote

$80 - $100/hr

Contractor

Posted 15 days ago

Job description

Before Applying

This role is open to contractors in accepted locations only. Please confirm your country is on the list before applying - we're unable to process applications from unlisted locations. List of accepted countries and locations.

For US applicants: This is a 1099 independent contractor role. It is not compatible with F-1 OPT, STEM OPT, or any visa status that requires W-2 employment, guaranteed hours, or employer sponsorship. We are unable to provide offer letters or employment verification for this role.

What You'll Be Doing

Design and build the coding benchmarks and evaluation pipelines used to test frontier AI models on real software engineering work:

  • Design coding benchmarks that evaluate frontier models on real-world programming tasks - reasoning, debugging, and production-quality code

  • Build and maintain scalable data pipelines for evaluation workflows

  • Analyze model-generated code for correctness, reliability, and edge-case failures

  • Construct structured evaluation scenarios across large repos and multi-language environments

  • Provide detailed technical feedback on model performance and failure patterns

  • Contribute to evaluation frameworks that set the bar for how coding ability is measured

End result: benchmarks that meaningfully separate what frontier models can and can't do - and shape how the next generation is trained and improved.

AI coding evaluation in one line: Design task build harness run model analyze failures feed findings back into the benchmark evaluations that actually distinguish strong models from weak ones.

What You'll Need

  • 4+ years of professional software engineering experience (non-negotiable)

  • Expert Python - clean, performant, well-tested code

  • Hands-on experience working in large, complex codebases

  • Proven experience designing and implementing LLM coding benchmarks and evaluation data pipelines

  • Strong command of Git and modern development workflows

  • Track record at a high-growth tech company or top-tier software organization

  • Strong written English communication

Identity verification: Applicants will be required to verify their identity and confirm they have valid documentation to work as an independent contractor in their country of residence.

Nice to have

  • Senior or Lead-level profile with a history of technical ownership

  • Bachelor's or Master's in CS, ML, or related field (or equivalent professional experience)

  • Proficiency in additional languages: JavaScript, Go, C++, or others

  • CI/CD experience and writing robust unit tests (pytest, Mocha, JUnit)

  • Background in security engineering or significant open-source contributions

  • Familiarity with AI/ML evaluation methodologies or model benchmarking

Logistics

  • Location: Fully remote - work from anywhere on the accepted locations list

  • Compensation: $80-$100/hr based on location and seniority

  • Contract length: 3 months, with potential for extension

  • Hours: Full-time availability preferred - hours vary by project and are not guaranteed week to week

  • Engagement: 1099 independent contractor

  • Payment: Weekly via PayPal or Stripe

Important: Hours are project-dependent and can vary week to week. We recommend keeping other work options open alongside this engagement rather than relying on it as your sole source of income.

G2i logo

About G2i

Sourced by ZipRecruiter

Industry

Software development

Company size

11 - 50 Employees

Headquarters location

Delray Beach, FL, US

Year founded

2012

View All G2i Jobs

Apply