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Javascript developer • markham on

Dernière mise à jour : il y a 19 heures
Remote JavaScript Engineer - AI Trainer

Remote JavaScript Engineer - AI Trainer

SuperAnnotateMarkham, 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
Web developer

Web developer

The Duncan AcademyMarkham, ON, CA
Temps plein +1
Education : College, CEGEP or other non-university certificate or diploma from a program of 1 year to 2 years.Experience : 1 year to less than 2 years. Digital communication and media / multimedia.Anima...Voir plusDernière mise à jour : il y a 28 jours
Performance Test Engineer - JMeter, K6

Performance Test Engineer - JMeter, K6

Astra North Infoteck Inc.Markham, ON, ca
Temps plein
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...Voir plusDernière mise à jour : il y a 14 jours
Systems Developer / Analyst

Systems Developer / Analyst

BGISMarkham, ON, Canada
Temps plein
The Corporate IT Development & Delivery department is a software development, support and information delivery department within BGIS’ IT Solution Support area. The team provides hosted and cloud Or...Voir plusDernière mise à jour : il y a plus de 30 jours
Lead Front End Developer (React)

Lead Front End Developer (React)

Onico SolutionsRichmond Hill, Ontario, CA
Télétravail
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...Voir plusDernière mise à jour : il y a plus de 30 jours
Senior Full Stack Application Developer

Senior Full Stack Application Developer

WellnessLivingHybrid Thornhill, Canada
Télétravail
Temps plein
Full-Stack Application Development.Build modular, reusable frontend components aligned with.Microservices, DDD & Event-Driven Systems. Kafka, Kinesis, SNS / SQS) .OAuth2, OpenID Connect (OIDC...Voir plusDernière mise à jour : il y a plus de 30 jours
Senior Software Developer - Full Stack

Senior Software Developer - Full Stack

Randstad CanadaNorth York, Ontario, CA
Temporaire
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 ...Voir plusDernière mise à jour : il y a 8 jours
Full Stack Developer (12 Month Contract)

Full Stack Developer (12 Month Contract)

Recruiting In MotionNorth York, ON
Temps plein +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...Voir plusDernière mise à jour : il y a 17 jours
Software Developer

Software Developer

ActalentConcord, Ontario, Canada
Temps plein
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...Voir plusDernière mise à jour : il y a 11 jours
Sr. SharePoint Developer

Sr. SharePoint Developer

Medavie Blue CrossON, CA
Temps plein +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...Voir plusDernière mise à jour : il y a plus de 30 jours
Power Platform / Dynamics 365 Developer (6 Month Contract)

Power Platform / Dynamics 365 Developer (6 Month Contract)

Farber Debt SolutionsNorth York, Ontario, Canada
Temporaire
Power Platform / Dynamics 365 Developer (6 Month Contract).Farber is one of Canada’s oldest, largest and most respected debt solution providers. We help Canadians get out of debt and start rebuilding...Voir plusDernière mise à jour : il y a plus de 30 jours
Application Developer

Application Developer

Computer TalkMarkham, Ontario
Temps plein +1
ComputerTalk is growing at a rapid rate and we are looking for exceptional talent to add to our team.The environment is dynamic, challenging, exciting, and rewarding. We attribute our success to the...Voir plusDernière mise à jour : il y a plus de 30 jours
Lead Software Developer

Lead Software Developer

QA Consultants Inc.Markham, Ontario, Canada
Temps plein
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...Voir plusDernière mise à jour : il y a 22 jours
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
Temps plein
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....Voir plusDernière mise à jour : il y a plus de 30 jours
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Java Developer

Java Developer

LancesoftScarborough, ON, CA
Temps plein
Quick Apply
Location Address : 2201 Eglinton Ave E.Hybrid : 3 days / week in-office (with potential increase to 4 days in future).Anchor days : Mon, Tue and Thurs. Contract Duration : ASAP to 10 / 30 / 2026.Schedule Hour...Voir plusDernière mise à jour : il y a 19 heures
Lead developer

Lead developer

Plan IT SearchMarkham, Ontario, Canada
Temps plein
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...Voir plusDernière mise à jour : il y a plus de 30 jours
JPC -1461 - Senior Web Developer

JPC -1461 - Senior Web Developer

ITS GlobalOntario
Temps plein
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...Voir plusDernière mise à jour : il y a plus de 30 jours
Calypso Developer

Calypso Developer

BMO Financial GroupScarborough, ON
Temporaire
BMO is an organization driven by a shared Purpose : Boldly Grow the Good in business and life.It calls on members of its team, to create lasting, positive change for its customers, its communities, ...Voir plusDernière mise à jour : il y a plus de 30 jours
Remote JavaScript Engineer - AI Trainer

Remote JavaScript Engineer - AI Trainer

SuperAnnotateMarkham, 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.