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Javascript developer Jobs in Washington, DC

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Javascript developer • washington dc

Last updated: 1 day ago
Remote JavaScript Engineer - AI Trainer

Remote JavaScript Engineer - AI Trainer

SuperAnnotateKemp Mill, Maryland, US
Remote
Full-time
As an hourly paid, fully remote JavaScript Engineer for AI Data Training, you will review complex AI-generated code and explanations or generate new ones, evaluate the reasoning quality and step-by...Show moreLast updated: 25 days ago
Web Developer

Web Developer

LeidosMcLean, VA, United States
Full-time
Are you looking for an opportunity to make an impact?.At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success.W...Show moreLast updated: 30+ days ago
Backend Developer

Backend Developer

Booz Allen HamiltonMcLean, VA
Full-time +1
As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution.We’re looking for a ba...Show moreLast updated: 30+ days ago
Tester (Playwright, Typescript, JavaScript) | Onsite

Tester (Playwright, Typescript, JavaScript) | Onsite

Kaav Inc.Bethesda, MD, United States
Full-time
Develop and maintain automated test scripts using Playwright, Typescript, and JavaScript.Test automation Framework integration with Continuous Integration tool Jenkins, Harness.Conduct thorough tes...Show moreLast updated: 19 days ago
USSS - Sr. Application Developer (JavaScript / React)

USSS - Sr. Application Developer (JavaScript / React)

cFocus Software IncorporatedWashington, DC, US
Full-time
Quick Apply
Application Developer (JavaScript / React) to join our program supporting the United States Secret Services (USSS).This position requires the ability a Public Trust clearance.Bachelor’s degree ...Show moreLast updated: 16 days ago
Staff Engineer - (Javascript / Typescript / Java / C# / Python)

Staff Engineer - (Javascript / Typescript / Java / C# / Python)

GEICOChevy Chase, MD
Full-time
At GEICO, we offer a rewarding career where your ambitions are met with endless possibilities.Every day we honor our iconic brand by offering quality coverage to millions of customers and being the...Show moreLast updated: 1 day ago
  • Promoted
Application Developer

Application Developer

TradeJobsWorkForce22214 Arlington, VA, US
Full-time
Analyze the ideas, business models, and user requirements to formulate a design strategy to carry out.Act as a tenant to draw out a workable application design and coding parameters with the essent...Show moreLast updated: 30+ days ago
ETL Developer

ETL Developer

FourCiAlexandria, VA, United States
Full-time
Quick Apply
Job Title : ETL Developer Location : Alexandria, VA Show moreLast updated: 2 days ago
Backend Developer

Backend Developer

Network Designs Inc.McLean, VA, USA
Full-time
Quick Apply
NDi) is a leading Federal contractor that specializes in designing, developing, and delivering information technology and network solutions for government customers. Founded in 1985, NDi's firmly de...Show moreLast updated: 30+ days ago
ServiceNow Developer

ServiceNow Developer

Omniscius ConsultingArlington, VA, US
Full-time
Quick Apply
Our client is seeking a Senior Developer to develop highly complex, mission critical scoped and global applications for the Department of Homeland Security for a hybrid position in Arlington, VA.As...Show moreLast updated: 24 days ago
Remote JavaScript Engineer - AI Trainer

Remote JavaScript Engineer - AI Trainer

SuperAnnotateKemp Mill, Maryland, US
25 days ago
Job type
  • Full-time
  • Remote
Job description

As an hourly paid, fully remote JavaScript Engineer for AI Data Training, you will review complex AI-generated code and explanations or generate new ones, evaluate the reasoning quality and step-by-step problem-solving, and provide expert feedback that helps models produce answers that are accurate, logical, and clearly explained. You will assess solutions for accuracy, clarity, and adherence to the prompt, identify errors in methodology or conceptual understanding, fact-check information, write high-quality explanations and model solutions that demonstrate correct methods, and rate and compare multiple AI responses based on correctness and reasoning quality.

This role is with SME Careers, a fast-growing AI Data Services company and subsidiary of SuperAnnotate that provides AI training data for many of the world’s largest AI companies and foundation model labs. Your work will directly help improve the world’s premier AI models while giving you the flexibility of impactful, detail-oriented remote contract work.

Key Responsibilities :

  • Develop AI Training Content : Create detailed prompts in various topics and responses to guide AI learning, ensuring the models reflect a comprehensive understanding of diverse subjects.
  • Optimize AI Performance : Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance.
  • Ensure Model Integrity : Test AI models for potential inaccuracies or biases, validating their reliability across use cases.

Your Profile :

  • Minimum 2+ years of professional JavaScript experience in production environments.
  • Strong understanding of closures, async / await, prototype-based inheritance, and JavaScript event loop behavior, with deep proficiency in modern Vanilla JavaScript (ES6 / ES2015+).
  • Proven ability to evaluate correctness, readability, and performance of JavaScript code, including identifying subtle logic and edge-case issues.
  • Hands-on work experience in software engineering, preferably in roles involving code review, mentoring, or technical design discussions.
  • Significant experience using LLMs or AI coding assistants while programming, combined with a critical mindset for validating their output.
  • Excellent English writing skills, capable of producing clear, concise, and pedagogical technical explanations.
  • Strong proficiency with at least one major frontend framework (such as React, Angular, or Vue.js) or backend runtime (such as Node.js with Express or NestJS).
  • Minimum Bachelor’s degree in Computer Science or a closely related technical field.
  • Previous experience with AI data training, data annotation, or evaluation of AI-generated technical content is a strong plus; Minimum C1 English proficiency and a highly detail-oriented working style are required.
  • Preferred : contributions or merged PRs in JavaScript or TypeScript open-source projects, familiarity with bundlers and tooling (Webpack, Vite, Rollup), frontend–backend integration and Node.js runtime behavior, reviewing typed API layers, DTOs, or schema-driven designs, and experience evaluating frontend logic, async patterns, and state management.