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Javascript developer Jobs in Burlington, ON

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Javascript developer • burlington on

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

Remote JavaScript Engineer - AI Trainer

SuperAnnotateHamilton, 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: 23 days ago
Data Warehouse Developer

Data Warehouse Developer

STACK IT RecruitmentHamilton, ON, CA
Remote
Full-time +1
Quick Apply
Are you passionate about designing powerful data solutions and transforming complex information into high-performance analytics? . In this role, you’ll take the lead in architecting, optimizing...Show moreLast updated: 30+ days ago
Software Engineer - C# -.NET Core & JavaScript

Software Engineer - C# -.NET Core & JavaScript

MaaforHamilton, ON, CA
Full-time
The Software Engineer is experienced in designing and building APIs and external system interfaces for integration.This position will ensure each solution is bespoke design and will require a stron...Show moreLast updated: 30+ days ago
Software Developer

Software Developer

Robert HalfHamilton, ON, CA
Full-time +1
Quick Apply
Robert Half is looking to hire a Software Developer for a client that is rapidly expanding in the West GTA Area.This is an exciting full time / permanent opportunity that is offering growth, stabil...Show moreLast updated: 9 days ago
Senior Full Stack Developer - Enterprise Apps (Hybrid)

Senior Full Stack Developer - Enterprise Apps (Hybrid)

Mohawk CollegeHamilton, ON, CA
Full-time
A leading educational institution in Hamilton is seeking a Senior Full Stack Developer for a temporary role until April 2027. This position focuses on developing and maintaining enterprise systems a...Show moreLast updated: 1 day ago
Full-Stack Developer – Java E-Commerce Platform (AWS Linux)

Full-Stack Developer – Java E-Commerce Platform (AWS Linux)

Yoush ConsultingBurlington, Ontario, Canada
Full-time
Our client a national leader in imaging and photo retail solutions needs a Full-Stack developer to support their core e-commerce platform. Java-based back-end development.This position is suitable f...Show moreLast updated: 26 days ago
Software Developer

Software Developer

RogersHamilton, Ontario, Canada
Full-time +2
Our Technology team wakes up every day with one goal in mind - connecting Canadians to the people and things that matter most. Together, we are proud to support 30 million Canadians each month throu...Show moreLast updated: 30+ days ago
Software Developer

Software Developer

Rogers CommunicationsHamilton, ON, CA
Full-time +1
Our Technology team wakes up every day with one goal in mind - connecting Canadians to the people and things that matter most. Together, we are proud to support 30 million Canadians each month throu...Show moreLast updated: 30+ days ago
Business Systems Developer

Business Systems Developer

Grantek Systems IntegrationBurlington, Ontario, Canada
Full-time
IT Platform Engineering Data & Analytics and Business Process teams to deliver secure scalable and efficient internal digital solutions. Develop enhance and maintain internal business applicatio...Show moreLast updated: 29 days ago
Software Developer- Burlington

Software Developer- Burlington

Gerrie Electric Wholesale Ltd.Burlington, Halton Region, CA
Full-time
Gerrie Electric is one of the largest independent electrical distributors, with 24 key Ontario locations and over 400 employees. We are a proud family‑owned, Canadian company headquartered in Burlin...Show moreLast updated: 25 days ago
Software Developer

Software Developer

Rogers Communications, Inc.Hamilton, ON, CA
Full-time +1
Our Technology team wakes up every day with one goal in mind - connecting Canadians to the people and things that matter most. Together, we are proud to support 30 million Canadians each month throu...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
Systems Developer - Guidewire

Systems Developer - Guidewire

Co-operatorsBurlington, Halton Region, CA
Full-time
Be among the first 25 applicants.Department : IT‑Solutions Delivery P / C.Employment Type : Regular Full‑Time.Language : This role operates in English. Additional Information : This / these role(s) is / are c...Show moreLast updated: 16 days ago
Software Developer

Software Developer

Liburdi Dimetrics CorporationDundas, ON, Canada
Full-time
Salary Range : $64,000 – $70,000 / year.Liburdi Dimetrics Corporation is a leader in design and manufacturing of specialized welding equipment. Our systems are used in many industries including nucle...Show moreLast updated: 10 days ago
Full Stack Engineer : Build & Scale Web Apps

Full Stack Engineer : Build & Scale Web Apps

TreowGroup RecruitmentHamilton, ON, CA
Full-time
A recruitment agency is seeking a Full Stack Developer for a Hamilton-based client.This role involves maintaining and enhancing systems, working with APIs, and ensuring operational efficiency acros...Show moreLast updated: 13 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
Technology Developer

Technology Developer

Dynamic Connections Inc.Burlington, Halton Region, CA
Permanent
Dynamic Connections is a leading North American third‑party logistics company that provides integrated solutions for our customers. Dynamic Connection creates, sells and executes intelligent logisti...Show moreLast updated: 3 days ago
Technology Developer

Technology Developer

Dynamic ConnectionsBurlington, Ontario, Canada
Full-time +1
Dynamic Connections is a leading North American third-party logistics company that provides integrated solutions for our customers. Dynamic Connection creates sells and executes intelligent logistic...Show moreLast updated: 24 days ago
Senior Software Developer

Senior Software Developer

Bentley SystemsBurlington, Halton Region, CA
Full-time
Preferred to be in Montreal, Canada, although a hybrid / home-based model might be considered in Canada.The Bentley OpenPaths team is seeking a Senior Software Developer to contribute to our state-of...Show moreLast updated: 30+ days ago
People also ask
Remote JavaScript Engineer - AI Trainer

Remote JavaScript Engineer - AI Trainer

SuperAnnotateHamilton, Ontario, CA
23 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.