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Javascript • north york on

Dernière mise à jour : il y a 3 jours
Remote JavaScript Engineer - AI Trainer

Remote JavaScript Engineer - AI Trainer

SuperAnnotateToronto, Ontario, CA
Télétravail
Temps plein
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...Voir plusDernière mise à jour : il y a plus de 30 jours
Lead Full Stack Software Engineer (JavaScript)

Lead Full Stack Software Engineer (JavaScript)

MorningstarToronto
Temps plein
About Morningstar unites problem solvers with a clear goal : helping investors achieve their financial objectives.As a leading investment research and data company, we stand out by how we apply our ...Voir plusDernière mise à jour : il y a 18 jours
Vice President, Front Office Developer (Javascript / Typescript, Python, React)

Vice President, Front Office Developer (Javascript / Typescript, Python, React)

BMOToronto, Ontario, Canada
Temps partiel
BMO Capital Markets is a leading, full-service financial services provider.We offer corporate and investment banking, treasury management, as well as research and advisory services to clients aroun...Voir plusDernière mise à jour : il y a 19 jours
  • Offre sponsorisée
Frontend Javascript Developer

Frontend Javascript Developer

ArternalToronto, Canada
Temps plein
ARTERNAL CRM is a verticalized cloud-based SaaS software catering to art dealers and gallery staff.We have created a sales and marketing process to power transactions that were previously non-exist...Voir plusDernière mise à jour : il y a 7 jours
Senior Back-end JavaScript Developer

Senior Back-end JavaScript Developer

Carbonhound, Inc.Toronto, ON, CA
Temps plein
Carbonhound supports almost 300 companies to help them automate measurement and reduce their climate impact.We are one of the fastest growing, and impactful companies in the space in Canada with a ...Voir plusDernière mise à jour : il y a plus de 30 jours
Software Developer — Full-Stack JavaScript - eCommerce

Software Developer — Full-Stack JavaScript - eCommerce

OriumToronto, Ontario
Télétravail
Temps plein
This role is offered in partnership with Gluo, our sister company in Mexico.As part of our collaborative efforts, you will work closely with both our internal teams and Gluo to achieve our strategi...Voir plusDernière mise à jour : il y a plus de 30 jours
  • Offre sponsorisée
Senior JavaScript Developer (MarTech)

Senior JavaScript Developer (MarTech)

JobgetherToronto, Canada
Temps plein
This position is posted by Jobgether on behalf of a partner company.We are currently looking for a Senior JavaScript Developer (MarTech) in Canada. This role is an exciting opportunity to build and ...Voir plusDernière mise à jour : il y a 3 jours
JAVASCRIPT WEB DEVELOPER

JAVASCRIPT WEB DEVELOPER

ITS Global[Toronto, ON], Ontario
Temps plein
Our client is looking for a JavaScript Web Developer to join their team.HTML, CSS, JavaScript, WP, React.Expert knowledge of JavaScript with a strong understanding of JavaScript fundamental.Experie...Voir plusDernière mise à jour : il y a plus de 30 jours
  • Offre sponsorisée
Senior JavaScript Developer

Senior JavaScript Developer

BrainberryToronto, Canada
Temps plein
CSS3 (PostCSS, SASS) Modular CSS Performance A11Y Usability Working with RESTful APIs.Participation in interviewing future team members. Develop architecture solutions.Ongoing opportunities in an in...Voir plusDernière mise à jour : il y a 7 jours
  • Offre sponsorisée
Junior Developer (JavaScript, SQL, VBA, Automation)

Junior Developer (JavaScript, SQL, VBA, Automation)

BeachHeadToronto, Canada
Temps plein
Are you passionate about coding and eager to support innovative automation solutions? Apply now!.Working with one of our top financial institution clients, this role calls for a Junior Developer (J...Voir plusDernière mise à jour : il y a 7 jours
  • Offre sponsorisée
Senior Full Stack Software Engineer - (JavaScript, NodeJS and React)

Senior Full Stack Software Engineer - (JavaScript, NodeJS and React)

Okta for DevelopersToronto, Canada
Temps plein
Be among the first 25 applicants.Get AI-powered advice on this job and more exclusive features.Okta is The World’s Identity Company. We free everyone to safely use any technology, anywhere, on any d...Voir plusDernière mise à jour : il y a plus de 30 jours
  • Offre sponsorisée
Développeur Python, javascript

Développeur Python, javascript

CoopcarboneToronto, Canada
Temps plein
Au sein de l’équipe de programmation et relevant du Président, le chef d'équipe de développement sera appelé à intervenir sur différents projets interne et externe entourant principalement l’enviro...Voir plusDernière mise à jour : il y a 7 jours
  • Offre sponsorisée
Vice president, front office developer (javascript / typescript, python, react)

Vice president, front office developer (javascript / typescript, python, react)

BMO Financial GroupToronto, Canada
Temps partiel
Application Deadline : 02 / 19 / 2026.Job Family Group : Data Analytics & Reporting.BMO Capital Markets is a leading, full-service financial services provider. We offer corporate and investment banking, t...Voir plusDernière mise à jour : il y a 8 jours
Software Developer (Full-stack / JavaScript)

Software Developer (Full-stack / JavaScript)

ScotiabankToronto, ON, CA
Temps plein
Join a purpose‑driven winning team, committed to results, in an inclusive and high‑performing culture.As a Fullstack Developer you will be joining a dynamic and energetic team consisting of develop...Voir plusDernière mise à jour : il y a plus de 30 jours
Senior Full Stack Engineer (JavaScript, Python)

Senior Full Stack Engineer (JavaScript, Python)

TranscryptsToronto, ON, CA
Temps plein
Proficient with Supabase (Postgres, Auth, RLS).Experience with Supabase Edge Functions using TypeScript.Familiarity with LLM APIs (OpenAI, Anthropic Claude, Google Gemini).Strong understanding of s...Voir plusDernière mise à jour : il y a 11 jours
Fullstack JavaScript Engineer (MarTech)

Fullstack JavaScript Engineer (MarTech)

LumenaltaToronto, ON, CA
Temps plein
At Lumenalta, we create impactful software solutions drive innovation and transform businesses.Since 2000, we’ve partnered with visionary leaders to build cutting‑edge tech, solve complex challenge...Voir plusDernière mise à jour : il y a 5 jours
  • Offre sponsorisée
Senior Javascript Developer (React / Redux)

Senior Javascript Developer (React / Redux)

SwoonToronto C6A, ON, Canada
Télétravail
Temps plein
Get AI-powered advice on this job and more exclusive features.Big Five global financial institutions.You will be responsible for developing the "mission control" interfaces used by professional tra...Voir plusDernière mise à jour : il y a plus de 30 jours
Senior Full-stack Developer (JavaScript)

Senior Full-stack Developer (JavaScript)

Scotiabank Global SiteToronto, Ontario, Canada
Temps plein
Join a purpose driven winning team committed to results in an inclusive and high-performing culture.We are looking for an experienced and highly skilled Senior Full-stack Developer to oversee and g...Voir plusDernière mise à jour : il y a 19 jours
QA Automation Engineer TestComplete, Selenium, JavaScript

QA Automation Engineer TestComplete, Selenium, JavaScript

Astra North Infoteck Inc.Markham, Ontario, Canada
Temps plein
Help with and implement our QA Architectural Artifacts.All testing systems their feedback loops and mechanisms logging reporting and interconnectivity. Process artifacts that detail how where and wh...Voir plusDernière mise à jour : il y a plus de 30 jours
Remote JavaScript Engineer - AI Trainer

Remote JavaScript Engineer - AI Trainer

SuperAnnotateToronto, Ontario, CA
Il y a plus de 30 jours
Type de contrat
  • Temps plein
  • Télétravail
Description de poste

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.