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Javascript developer Jobs in Oshawa, ON

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Javascript developer • oshawa on

Last updated: 3 days ago
Remote JavaScript Engineer - AI Trainer

Remote JavaScript Engineer - AI Trainer

SuperAnnotateOshawa, 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
26-017 AI Developer Python Databricks 12 month contract Oshawa Hybrid 4 days remote

26-017 AI Developer Python Databricks 12 month contract Oshawa Hybrid 4 days remote

CorGTAOshawa, Ontario, Canada
Remote
Full-time +1
AI Developer - Python Databricks.Oshawa ON (hybrid 4 days remote).We have a great new opportunity to support one of our Energy Sector clients in a contract capacity!. Please see below for more infor...Show moreLast updated: 3 days ago
Software Developer Mentor

Software Developer Mentor

Deighton AssociatesWhitby, Ontario, Canada
Full-time
As a leader in innovative solutions we offer a workplace where challenge meets opportunity and where your career can grow alongside your ambitions. Rooted in our dCOREvalues we strive to be better e...Show moreLast updated: 8 days ago
  • Promoted
Senior Systems Developer, DevOps - 12 months

Senior Systems Developer, DevOps - 12 months

Co-operatorsCourtice, ca
Full-time +1
Company : CGL Department : Digital and Advisor Technology Employment Type : Temporary Full-Time (12 months) Work Model : Hybrid Language : This role operates in English. Additional Information : This / thes...Show moreLast updated: 4 days ago
OPEN : Sr. Developer HR

OPEN : Sr. Developer HR

Rodan Energy SolutionsOshawa, CA
Full-time
We are currently requesting resumes for the following position.CHQ, Colonel Sam Drive, Oshawa.The Senior ServiceNow HR Developer is responsible for designing, developing, and implementing HR Servi...Show moreLast updated: 17 days ago
Software Developer - Early Career

Software Developer - Early Career

General MotorsOshawa, Ontario, Canada
Full-time
This posting is not for an existing vacancy within the organization and is open to new applications.As part of the application process, Artificial Intelligence will be used in the hiring process fo...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
Course Developer - Integrated Accounting Strategy

Course Developer - Integrated Accounting Strategy

Durham CollegeOshawa
Part-time
Professional and Part-Time Learning.Oshawa • ID : PT-PPL-319 • Part-Time.Durham College (DC) is leading the way as a post-secondary institution, offering an innovative and transformative student exp...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
Senior Full Stack Developer

Senior Full Stack Developer

Infinity Arc TechnologiesWhitby Central, ON, Ontario, Canada
Full-time
Role : Senior Full Stack Developer Location : Whitby, ON Type : FTE Probation : 3 months 5 days ons...Show moreLast updated: 4 days ago
  • Promoted
Senior PHP Team Lead for SaaS & Microservices

Senior PHP Team Lead for SaaS & Microservices

RouteeWhitby Region (Gormley), ca
Full-time
A global telecommunications provider based in Ontario is seeking a Senior PHP Developer.You will design, develop, and maintain in-house PHP applications. The ideal candidate will have over 7 years o...Show moreLast updated: 25 days ago
25-192 - Senior ServiceNow HR Developer

25-192 - Senior ServiceNow HR Developer

Morson TalentOshawa
Full-time
The Senior ServiceNow HR Developer is responsible for designing, developing, and implementing HR Service Delivery (HRSD) solutions on the ServiceNow platform, with a strong focus on Employee Center...Show moreLast updated: 19 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
OPEN : Sr. Developer HR

OPEN : Sr. Developer HR

CPUS Engineering Staffing Solutions Inc.Oshawa
Full-time
The Senior ServiceNow HR Developer is responsible for designing, developing, and implementing HR Service Delivery (HRSD) solutions on the ServiceNow platform, with a strong focus on Employee Center...Show moreLast updated: 17 days ago
Associate LIMS / LES Developer

Associate LIMS / LES Developer

Thermo Fisher ScientificWhitby, Ontario, Canada
Full-time
The will be responsible for the development, implementation, and maintenance of the Laboratory Information Management System (LIMS) and Laboratory Execution System (LES).This role involves working...Show moreLast updated: 29 days ago
software developer

software developer

SOFT MINING SOLUTIONSOshawa, ON, CA
Permanent
Experience : 1 year to less than 2 years.Write, modify, integrate and test software code.Maintain existing computer programs by making modifications as required. Communicate technical problems, proce...Show moreLast updated: 30+ days ago
  • Promoted
Senior Systems Developer, DevOps - 12 months

Senior Systems Developer, DevOps - 12 months

Co-operators GroupCourtice, ca
Full-time +1
Senior Systems Developer, DevOps - 12 months.Company : CGL Department : Digital and Advisor Technology Employment Type : Temporary Full-Time (12 months) Work Model : Hybrid Language : This role operates...Show moreLast updated: 13 days ago
  • Promoted
Looking For A Blockchain Development Trainer in Guelph

Looking For A Blockchain Development Trainer in Guelph

Homework GuruCourtice, ca
Part-time
Looking For A Blockchain Development Trainer in Guelph Job Description.I amLooking For A Blockchain Development Trainer in Guelph. Posted On 29-03-2025 Expert Type Tutor Deadline 31-12-2026 Budget C...Show moreLast updated: 25 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 JavaScript Engineer - AI Trainer

Remote JavaScript Engineer - AI Trainer

SuperAnnotateOshawa, 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.