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Javascript Jobs in Ottawa, ON

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Javascript • ottawa on

Last updated: 1 day ago
JavaScript Engineer

JavaScript Engineer

SuperAnnotateOttawa, 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: 1 day ago
  • Promoted
Java Web Developer

Java Web Developer

TALTEST1Vanier, ON, Canada
Full-time
We are seeking a highly skilled Java Web Developer to join our team in the Business Services industry.As a Java Web Developer, you will be responsible for developing and maintaining web application...Show moreLast updated: 30+ days ago
  • Promoted
Senior Full-Stack Developer (React / Node)

Senior Full-Stack Developer (React / Node)

Targeted TalentOttawa, ON, Canada
Permanent
We are looking for an experienced.Full-Stack Developer (React / Node).Our client is an agriculture based software company operating out of Toronto. JavaScript / TypeScript and related frameworks (Ne...Show moreLast updated: 30+ days ago
Remote Full-Stack Engineer - Life Sciences SaaS

Remote Full-Stack Engineer - Life Sciences SaaS

Veeva SystemsOttawa, ON, CA
Remote
Full-time
A leading SaaS company in Canada is looking for Full-Stack Software Engineers to develop innovative products in life sciences. Candidates should have experience in Java and Javascript with a strong ...Show moreLast updated: 30+ days ago
Security Engineering Co-op : Build Scalable Pipelines

Security Engineering Co-op : Build Scalable Pipelines

Ciena CorporationOttawa, ON, CA
Full-time
A leading connectivity solutions provider in Ottawa is seeking a Full-Stack Co-op / Intern to contribute to the design and development of a cutting-edge data synchronization platform.The ideal candid...Show moreLast updated: 30+ days ago
Full Stack Developer Intern (Remote)

Full Stack Developer Intern (Remote)

Business Web SolutionsOttawa, Ontario, Canada
Remote
Full-time
Join Business Web Solutions as a Web Developer (Entry Level) and work on active web projects that reach real customers.Expect a 1 to 6 month Internship window with scope to align timelines to your ...Show moreLast updated: 30+ days ago
Senior Software Designer, Web Application Development

Senior Software Designer, Web Application Development

Zhone Technologies, Inc.Ottawa, ON, CA
Full-time
ZHONE TECHNOLOGIES is looking for a passionate and creative Senior Software Designer, Web Application Development will have 5+ years of experience designing and developing HTML5 / CSS / JavaScript appl...Show moreLast updated: 2 days ago
Security Engineering Co-op — Full-Stack Development

Security Engineering Co-op — Full-Stack Development

CienaOttawa, ON, CA
Full-time
A leading technology company in Ottawa is seeking a Full-Stack Co-op / Intern for Winter 2026.This role focuses on designing and maintaining a high-performance data synchronization platform.Candidate...Show moreLast updated: 27 days ago
Software Engineer (.NET / SQL / JavaScript)

Software Engineer (.NET / SQL / JavaScript)

Drake InternationalOttawa, ON, CA
Full-time +1
Executive Recruitment & Advisory | Talent Management | Mission-Driven & Scaling Organizations.Drake International is recruiting. You will work across the application—building new capabilities, impro...Show moreLast updated: 18 days ago
Senior Software Developer - Build Next-Gen News Tech

Senior Software Developer - Build Next-Gen News Tech

CNNOttawa, ON, CA
Full-time
A leading broadcasting company in Ottawa is seeking a Senior Software Developer to join their Marketing Technology and Messaging team. This role involves full-stack development and collaboration wit...Show moreLast updated: 30+ days ago
Senior SDET : Streaming QA Automation Lead

Senior SDET : Streaming QA Automation Lead

Warner Bros. EntertainmentOttawa, ON, CA
Full-time
A leading entertainment company in Ottawa is seeking a Quality Assurance Engineer to ensure high-quality applications across multiple platforms. This role requires 5+ years of experience in QA, prof...Show moreLast updated: 28 days ago
Lead Cloud Architect & Engineer (Remote Canada)

Lead Cloud Architect & Engineer (Remote Canada)

AUGMENTTOttawa, ON, CA
Remote
Full-time
A growing technology company is seeking a Staff / Principal / Lead Software Engineer to join their team.This role offers the flexibility to work remotely from anywhere in Canada or onsite in Ottawa...Show moreLast updated: 30+ days ago
Technical Lead – Full Stack JavaScript

Technical Lead – Full Stack JavaScript

MomentousOttawa, ON, CA
Full-time
Reports to : Director, Technology.About Rebel : Rebel has been helping people claim their corner of the internet since 1999. We’re on the cusp of a major rebuild; modern stack, cleaner UX, security by...Show moreLast updated: 30+ days ago
Senior Fullstack Engineer — Ruby & React (Remote)

Senior Fullstack Engineer — Ruby & React (Remote)

FullscriptOttawa, ON, CA
Remote
Full-time
A health technology company in Ottawa is seeking a developer to design and deploy scalable features for their health intelligence platform. The ideal candidate has experience with Ruby and modern Ja...Show moreLast updated: 30+ days ago
Geospatial Telemetry Architect — Real-Time Maps

Geospatial Telemetry Architect — Real-Time Maps

Dominion DynamicsOttawa, ON, CA
Full-time
A leading defense technology firm in Ottawa is seeking a Geospatial Software Engineer to design and deliver telemetry mapping systems for military applications. The role requires strong skills in Ja...Show moreLast updated: 30+ days ago
Senior ServiceNow Consultant - ITAM / ITOM Specialist

Senior ServiceNow Consultant - ITAM / ITOM Specialist

KPMG CanadaOttawa, ON, CA
Full-time
A leading consulting firm in Canada is seeking a Senior Consultant, ServiceNow (ITAM / ITOM) to develop and tailor applications, document processes, and collaborate within diverse teams.The ideal can...Show moreLast updated: 30+ days ago
Technical Lead - Full Stack JavaScript

Technical Lead - Full Stack JavaScript

Momentous Ltd.Ottawa, ON, CA
Full-time
Reports to : Director, Technology.Rebel has been helping people claim their corner of the internet since 1999.We’re on the cusp of a major rebuild. modern stack, cleaner UX, security by default and...Show moreLast updated: 18 days ago
  • Promoted
Technical Lead - Full Stack JavaScript

Technical Lead - Full Stack JavaScript

RebelOttawa, ON, Canada
Full-time
Rebel has been helping people claim their corner of the internet since 1999.We’re on the cusp of a major rebuild; modern stack, cleaner UX, security by default and we’re honest about th...Show moreLast updated: 30+ days ago
Senior Software Engineer Onsite — Agile & ML

Senior Software Engineer Onsite — Agile & ML

Government of Canada - CentralOttawa, ON, CA
Full-time
A governmental organization in Ottawa seeks a skilled software developer with over 5 years of experience.Responsibilities include writing and testing software code, preparing technical documentatio...Show moreLast updated: 11 days ago
JavaScript Engineer

JavaScript Engineer

SuperAnnotateOttawa, Ontario, CA
1 day 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.