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Entry level javascript developer Jobs in Richmond Hill, ON

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Entry level javascript developer • richmond hill on

Last updated: 9 days ago
Remote JavaScript Engineer - AI Trainer

Remote JavaScript Engineer - AI Trainer

SuperAnnotateWillowdale, Ontario, CA
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: 30+ days ago
Performance Test Engineer - JMeter, K6

Performance Test Engineer - JMeter, K6

Astra North Infoteck Inc.Markham, ON, ca
Full-time
Quick Apply
Extensive and applied knowledge of load testing tools like Jmeter and K6Solid hands-on experience in API TestingAn understanding of a range of programming languages and associated frameworks e.Java...Show moreLast updated: 15 days ago
Lead Front End Developer (React)

Lead Front End Developer (React)

Onico SolutionsRichmond Hill, Ontario, CA
Remote
Permanent
Lead Front End Developer (React).Our client, an NFT investor platform is looking for a Lead Front End Developer (React) for a long term engagement to help build sophisticated tools for a video game...Show moreLast updated: 30+ days ago
Senior Software Developer - Full Stack

Senior Software Developer - Full Stack

Randstad CanadaNorth York, Ontario, CA
Temporary
Quick Apply
We are seeking a Senior Full Stack Software Developer with extensive experience in Drupal and Symfony to lead the development of complex, user-centric IT solutions. This role is responsible for the ...Show moreLast updated: 9 days ago
Full Stack Developer (12 Month Contract)

Full Stack Developer (12 Month Contract)

Recruiting In MotionNorth York, ON
Full-time +1
We are seeking a Full Stack Developer to join a growing engineering team that builds and scales systems supporting school payments and activity fund management for thousands of schools and millions...Show moreLast updated: 17 days ago
Software Developer

Software Developer

ActalentConcord, Ontario, Canada
Full-time
Join our team as a Software Developer, where you will play a pivotal role in designing and developing advanced hardware and software solutions for one of the world's top life sciences companies.Col...Show moreLast updated: 11 days ago
Associate Developer

Associate Developer

Farber Debt SolutionsNorth York, Ontario, Canada
Full-time +1
Hybrid (North York) / Remote (Monthly office expectations) .Farber is one of Canada’s oldest, largest and most respected debt solution providers. We help Canadians get out of debt and start rebuildi...Show moreLast updated: 30+ days ago
Work from Home Entry-Level Office Assistant

Work from Home Entry-Level Office Assistant

Top Level PromotionsMarkham, ON, ca
Remote
Full-time +1
Quick Apply
Work from Home Data Entry & Administration – Flexible Online Role.We are looking for motivated individuals in Markham, Ontario, Canada, for a remote administration, data entry, and online marke...Show moreLast updated: 30+ days ago
Sr. SharePoint Developer

Sr. SharePoint Developer

Medavie Blue CrossON, CA
Full-time +1
What makes us a different kind of employer?.As a national health solutions partner, Medavie is committed to improving the wellbeing of Canadians — and in our digital-first culture, technology is ke...Show moreLast updated: 30+ days ago
Entry Level Sales Representative - Work From Home

Entry Level Sales Representative - Work From Home

American Income Life Insurance CompanyVaughan, ON, CA
Remote
Full-time
Quick Apply
Our organization, American Income Life, is looking for an individual who is searching for an opportunity to help our members protect their families. AIL is one of the nation's significant ...Show moreLast updated: 30+ days ago
Entry-Level Safety Specialist - McNally Corporation

Entry-Level Safety Specialist - McNally Corporation

KiewitVaughan, ON, CA
Full-time
As a Safety Specialist you will report to the Project Safety Manager and your primary responsibilities centers on the successful implementation and support of the Site-Specific Safety Plan in the f...Show moreLast updated: 30+ days ago
Lead Software Developer

Lead Software Developer

QA Consultants Inc.Markham, Ontario, Canada
Full-time
In just three decades, ALTEN has emerged as a global leader in Research and Development, Engineering, Information Technology Services, Life Sciences, and Network Services.Our footprint spans across...Show moreLast updated: 23 days ago
Senior / Team Lead Full Stack (Node.js / React) developer (Toronto, hybrid)

Senior / Team Lead Full Stack (Node.js / React) developer (Toronto, hybrid)

TechMagicToronto, hybrid, Ontario, Canada
Full-time
We are looking for a skilled Senior / Team Lead Full Stack (Node.React) developer with 5+ years of professional experience to join our project for working on enterprise-level project from the Canada....Show moreLast updated: 30+ days ago
Entry level Payroll Administrator - Amico Corporation

Entry level Payroll Administrator - Amico Corporation

AmicoRichmond Hill, ON, Canada
Full-time
Entry level Payroll Administrator - Amico Corporation.We are looking for a Payroll Administrator to join our team.The ideal candidate must have at least 1-2 years’ experience as a payroll administr...Show moreLast updated: 28 days ago
Lead developer

Lead developer

Plan IT SearchMarkham, Ontario, Canada
Full-time
Ability to build and support strong internal relationships with crossfunctional departments.Excellent communication skills, both written and verbal. Strong PC skills are required (MS Office, SAP) an...Show moreLast updated: 30+ days ago
Entry Level Door-to-door Sales Representative

Entry Level Door-to-door Sales Representative

Lawn Plus CanadaMarkham, ON, CA
Part-time
Markham Painting is looking for motivated, outgoing individuals to join our team as Outdoor Marketing Representatives (Door-to-Door Canvassers). No prior experience is required — just a positive att...Show moreLast updated: 24 days ago
JPC -1461 - Senior Web Developer

JPC -1461 - Senior Web Developer

ITS GlobalOntario
Full-time
Our client is looking for a Senior Web Developer to join their team.Developing new user-facing features using React.Building reusable components and front-end libraries for future use.Translating d...Show moreLast updated: 30+ days ago
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The cities near Richmond Hill, ON that boast the highest number of entry level javascript developer jobs are:
Remote JavaScript Engineer - AI Trainer

Remote JavaScript Engineer - AI Trainer

SuperAnnotateWillowdale, Ontario, CA
30+ 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.