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Javascript developer Jobs in Mississauga, ON

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Javascript developer • mississauga on

Last updated: 11 hours ago
  • New!
JavaScript Engineer

JavaScript Engineer

SuperAnnotateEtobicoke, 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: 16 hours ago
Senior Dynamics 365 CE Architect : Integrations & Apps Lead

Senior Dynamics 365 CE Architect : Integrations & Apps Lead

Total Power LimitedMississauga, Peel Region, CA
Full-time
Be among the first 25 applicants.Get AI-powered advice on this job and more exclusive features.We’re looking for an experienced. Senior Dynamics 365 CE Developer.Microsoft Dynamics 365 Customer Enga...Show moreLast updated: 29 days ago
Senior Software Developer – Lead Design & Cloud (C# / .NET)

Senior Software Developer – Lead Design & Cloud (C# / .NET)

FCTOakville, ON, CA
Full-time
A leading title and real estate insurance provider in Ontario is seeking a Senior Software Developer.This role involves leading software design and development efforts, collaborating with teams to ...Show moreLast updated: 7 days ago
Senior Full Stack.NET Developer - Azure, Angular, Hybrid

Senior Full Stack.NET Developer - Azure, Angular, Hybrid

Randstad CanadaOakville, Ontario, CA
Full-time +1
Quick Apply
Our client, an innovative industry leader in the insurance domain is looking for a Senior Full Stack.NET Developer - Azure, Angular, Hybrid to join their growing team. The successful Senior Full Sta...Show moreLast updated: 5 days ago
Full Stack Java Developer (Middleware, Security Assessment & Penetration Testing)

Full Stack Java Developer (Middleware, Security Assessment & Penetration Testing)

Royal Cyber Inc.Mississauga, Peel Region, CA
Full-time
Full Stack Java Developer (Middleware, Security Assessment & Penetration Testing).Full Stack Java Developer (Middleware, Security Assessment & Penetration Testing). Duration : 6 months with a high pr...Show moreLast updated: 30+ days ago
  • Promoted
JDE Developer

JDE Developer

Services de Gestion Quantum LtéeMississauga, Ontario, Canada
Permanent
Position : JD Edwards (JDE) DeveloperLocation : GTA, hybrid onsiteWe are seeking an experienced JD Edwards (JDE) Developer to join our software and support team. The successful candidate will contribu...Show moreLast updated: 30+ days ago
Workday Extend Senior Developer (Remote)

Workday Extend Senior Developer (Remote)

RTXMississauga, Peel Region, CA
Remote
Full-time
Workday Extend Senior Developer (Remote).Workday Extend Senior Developer (Remote).Workday Extend Senior Developer (Remote). Be among the first 25 applicants.Workday Extend Senior Developer (Remote)....Show moreLast updated: 30+ days ago
Full Stack Developer PHP

Full Stack Developer PHP

VDart IncMississauga, Ontario, Canada
Full-time
Role : Full Stack Developer - PHP.WordPress PHP React HTML CSS JavaScript AWS Git.WordPress (custom themes plugins REST API). PHP (Laravel CodeIgniter or Core PHP).ReactJS (including integration with...Show moreLast updated: 3 days ago
Associate Software Developer - Build UI & APIs (Hybrid)

Associate Software Developer - Build UI & APIs (Hybrid)

Euna SolutionsOakville, ON, CA
Full-time
A leading software solution company is seeking an Associate Software Developer in Oakville, ON.This hybrid position involves designing and developing solutions for stakeholders, with responsibiliti...Show moreLast updated: 30+ days ago
Senior.NET / Angular Developer — Hybrid Role

Senior.NET / Angular Developer — Hybrid Role

First AmericanOakville, ON, CA
Full-time
A leading title insurance company in Oakville, Ontario is looking for a Senior Software Developer to lead the design and development of software solutions. The ideal candidate will have over 8 years...Show moreLast updated: 7 days ago
DevOps Developer (AWS)

DevOps Developer (AWS)

BrightOrder Inc.Mississauga, Peel Region, CA
Full-time
We build technology that keeps fleets safer, smarter, and more profitable.Our platform connects maintenance, telematics, and data to help operators make real-time decisions.We’re scaling fast acros...Show moreLast updated: 30+ days ago
SSIS Developer with Python knowledge (BANKING required) Mississauga, ON Fulltimecontract-c2c

SSIS Developer with Python knowledge (BANKING required) Mississauga, ON Fulltimecontract-c2c

Zodiac SolutionsMississauga, Ontario, Canada
Full-time
Role : Data Integrator / SSIS Developer with Python.Duration : Fulltime / Long term contract-c2c.Develop test and deploy SSIS packages for data extraction transformation and loading (ETL) processes.C...Show moreLast updated: 30+ days ago
.NET Developer

.NET Developer

CB CanadaMississauga, Ontario, Canada
Full-time
On behalf of our client in the Financial Services Sector, PROCOM is looking for a.NET Developer – Job Description.Work closely with Business Analysts and tech teams. Act as Tech SME in the team to d...Show moreLast updated: 30+ days ago
Developer - Javascript & Angular

Developer - Javascript & Angular

J&M GroupMississauga, Peel Region, CA
Full-time
Experience working within professional software engineering practices for the full software development life cycle, including coding standards, code reviews, source code management, build processes...Show moreLast updated: 30+ days ago
  • Promoted
  • New!
Full Stack Engineer

Full Stack Engineer

freelance.caMississauga, Canada
Full-time
If anyone is interested, please let me know.Role : Java Full Stack Developer .Work Type : Hybrid with 3 days a week.FullStack Developer with the following : . Java, Microservices, Springboot.Expert in W...Show moreLast updated: 11 hours ago
Industry X Software Developer MES Programming Associate Manager

Industry X Software Developer MES Programming Associate Manager

AccentureMississauga, Peel Region, CA
Full-time
Industry X Software Developer MES Programming Associate Manager.Industry X Software Developer MES Programming Associate Manager. We are looking to be part of a transformational digital engineering a...Show moreLast updated: 30+ days ago
Java Full stack Developer

Java Full stack Developer

Astra North Infoteck Inc.Mississauga, ON, ca
Full-time
Mississauga, ON - 3 days onsite.FullStack Developer with the following : .Java, Microservices, Springboot.Expert in Web App Development with AngularJS. Apache Camel (message queueing).Basic knowledge ...Show moreLast updated: 15 days ago
Senior Software Developer — Cloud, DevOps & Mentoring

Senior Software Developer — Cloud, DevOps & Mentoring

MHI Canada Aerospace, Inc.Mississauga, Peel Region, CA
Full-time
A leading aerospace manufacturer located in Mississauga, Ontario is seeking a Senior Software Developer.This role involves designing, coding, and analyzing software applications, while promoting ag...Show moreLast updated: 8 days ago
.Net Developer

.Net Developer

Expedite Technology Solutions LLCMississauga, Peel Region, CA
Full-time
Net Full-Stack Developer - Payment Applications Development.SQL (Strong), C# (Strong), Angular (Capable),.Nice to have : TFS, GitHub, Rally, AWS knowledge (EC2, ALB, API Gateway, Logging Interpretat...Show moreLast updated: 30+ days ago
People also ask
JavaScript Engineer

JavaScript Engineer

SuperAnnotateEtobicoke, Ontario, CA
16 hours 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.