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React developer Jobs in Sarnia, ON

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React developer • sarnia on

Last updated: 19 hours ago
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Remote TypeScript Engineer - AI Trainer

Remote TypeScript Engineer - AI Trainer

SuperAnnotateSarnia, Ontario, CA
Remote
Full-time
As a TypeScript Engineer, you will work remotely on an hourly paid basis reviewing AI-generated TypeScript code snippets, design proposals, and technical explanations, as well as generating your ow...Show moreLast updated: 19 hours ago
Senior Product Manager (GTM Strategy)

Senior Product Manager (GTM Strategy)

mParticleRemote, Ontario Canada
Remote
Full-time
The Successful candidate will : .Product GTM : Spearhead product launches with meticulously planned go-to-market strategies, ensuring seamless orchestration and measurable impact.Drive Product Adoptio...Show moreLast updated: 30+ days ago
Oracle OTM Developer / Designer

Oracle OTM Developer / Designer

Juventus ConsultingOntario
Full-time
This contract opportunity is for 5 months, the end client is in BC, with locations in Memphis, TN.Per Diem expenses range from 60 to 100 USD, depending on travel location.Some remote work is possib...Show moreLast updated: 30+ days ago
Fullstack Engineer - Ads Measurement Core

Fullstack Engineer - Ads Measurement Core

redditRemote, Ontario, Canada
Remote
Full-time
Reddit is a community of communities.It’s built on shared interests, passion, and trust and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote...Show moreLast updated: 30+ days ago
Senior Developer (Data)

Senior Developer (Data)

Farm Credit CanadaVarious FCC office s in Ontario may be considered
Full-time
Salary Range (plus eligible to receive a performance based incentive, applicable to position) : .Experienced data developer needed. Using your experience in Agile Scrum methodology and AWS data pipel...Show moreLast updated: 30+ days ago
iOS Developer Intern / Co-op (Remote)

iOS Developer Intern / Co-op (Remote)

TorontoJobsREMOTE, ON
Remote
Part-time +1
OS Developer Intern / Co-op (Remote).Guhuza is seeking an iOS Developer to join our remote team and contribute to the development of our iOS app. As an iOS Developer at Guhuza, you will play a cruci...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
Principal Software Engineer

Principal Software Engineer

ServiceTitanCanada Ontario
Remote
Full-time
We’re looking for someone to lead all technical aspects of an engineering team at ServiceTitan.You must have a strong background in responsive web application development, building distributed syst...Show moreLast updated: 30+ days ago
Entry Level - Remote Data Entry Work From Home

Entry Level - Remote Data Entry Work From Home

FocusGroupPanelPoint Edward, Ontario, Canada
Remote
Part-time
Work From Home, Entry Level Data Entry Clerk As A Research Participant.We are looking for people who want to work remotely from home. You'll need an Internet connection and a mobile device or comput...Show moreLast updated: 30+ 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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Remote TypeScript Engineer - AI Trainer

Remote TypeScript Engineer - AI Trainer

SuperAnnotateSarnia, Ontario, CA
19 hours ago
Job type
  • Full-time
  • Remote
Job description

As a TypeScript Engineer, you will work remotely on an hourly paid basis reviewing AI-generated TypeScript code snippets, design proposals, and technical explanations, as well as generating your own high-quality content and reference solutions. You will evaluate step-by-step reasoning and problem-solving, checking solutions for correctness, clarity, and adherence to the prompt; identify errors in logic, type modeling, or architectural thinking; fact-check technical information; craft clear explanations and model solutions that demonstrate correct approaches; and rate and compare multiple AI responses based on their reasoning quality and implementation soundness.

This fully remote, hourly contractor position is with SME Careers, a fast-growing AI data services company and subsidiary of SuperAnnotate that provides AI training data to many of the world’s largest AI companies and foundation model labs. In this role, your TypeScript expertise directly helps improve the world’s premier AI models used by engineers and developers everywhere.

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 :

  • 2+ years professional TypeScript experience.
  • Expertise in TypeScript features, including advanced type manipulation, generics, interfaces, and utility types.
  • Strong proficiency with a major frontend framework (e.g., React, Angular, or Vue.js) or backend runtime (e.g., Node.js with Express or NestJS).
  • Solid understanding of object-oriented programming (OOP), functional programming concepts, and common software design patterns.
  • Experience with Git and standard version control workflows (branching, merging, pull requests).
  • Familiarity with modern build tools (e.g., Webpack, Vite, Babel).
  • Minimum Bachelor’s degree in Computer Science or a closely related field.
  • Minimum C1 English proficiency (written and spoken), with strong ability to follow detailed technical guidelines.
  • Good to have : Merged PRs in TypeScript-based open-source projects.
  • Good to have : Competitive programming experience, experience reviewing typed API layers, DTOs, or schema-driven designs, and previous exposure to AI data training or annotation projects.