javascript jobs in Montreal

Build BrightOrder’s cloud platform remotely with Python, AWS, and full stack development across backend services, APIs, and frontend components.As a Full Stack Developer, you will combine software development with DevOps and AWS expertise. You will create production-grade applications, integrations, internal tools, and React.js components. The role also...

Develop React-based web features at GIRO in Montreal’s Rosemont area, contributing to product modernization and software maintenance. Flexible hours include remote work.GIRO seeks a Front-End Web Developer for a collaborative development team. You will add features, maintain products, and support modernization and redesign initiatives. The position focuses...

Build enterprise AI prototypes remotely from Ontario with Revvity, using Python, JavaScript, Next.js, Docker, and large language models. Explore practical applications.As a Full-stack AI Developer Intern, you will apply generative AI and LLM knowledge to real business challenges. You will develop AI-powered features, support model integration, and contribute...

Maîtrisez Python ou JavaScript/TypeScript comme concepteur logiciel en tests chez EXFO, à Québec ou Montréal, en mode hybride. Développez des validations automatisées fiables.Ce poste permanent à temps plein relève du Chef de groupe, Logiciel et Assurance qualité. Vous contribuerez aux stratégies de test, aux exigences qualité, aux plans de test...

Build reliable consumer web experiences as a Senior Software Engineer at Affir, using React or Vue with JavaScript and TypeScript. This remote role is open to candidates across nine Canadian provinces.Within Marketing & Privacy Engineering, you will shape high-traffic logged-out web architecture and measurement systems. The work spans experimentation, Google...

A leading design and development agency is seeking a WordPress Technical Lead to guide technical execution across projects. This remote position requires 8+ years of experience in WordPress, strong leadership skills, and proficiency in JavaScript and React. Candidates should possess a Bachelor's or Master's degree in Computer Science. The role involves...

Build Ruby on Rails security workflows remotely for GitLab, improving vulnerability dashboards, reports, and ingestion pipelines across Canada, Israel, or the UK.As an Intermediate Software Engineer, you will develop backend applications for GitLab’s Vulnerability Management team. You will support triage and prioritization workflows while collaborating...

Build AI-centric products remotely across Canada as a Senior Full Stack Engineer using React.js, Node.js, and agentic development workflows.Revenue Roll seeks a senior commercial software engineer to develop interfaces and services for marketing analytics, identity resolution, and personalization. You will use AI-assisted specifications, modern JavaScript or...

Build automated testing frameworks with Plusgrade as a Senior SDET in Montreal, using JavaScript, TypeScript, and AI-driven testing workflows. This fixed-term contract supports a nine-month replacement assignment.As a Senior Software Developer in Test, you will guide quality across web, mobile, and service-based applications. You will shape test strategy,...

Rejoignez notre équipe à Montréal en tant que Développeur ServiceNow, où vous concevrez et maintiendrez des solutions dans un environnement hybride. Soyez passionné et responsable de l'évolution des applications de gestion des services d'entreprise. Ce poste s'adresse aux candidats expérimentés avec au moins 5 ans en développement ou...

Design test automation and code with Python, Java, JavaScript, or TypeScript at SpryPoint, building confidence across critical utility software workflows.As a Senior SDET, you will create automation foundations for a new team and influence testing standards across product squads. Your work spans API, integration, and end-to-end UI testing, with CI/CD...

Business Systems Developer Location: Montreal, QC Contract: 12 months, potential extension Work Arrangement: Onsite, 4 days/week (Monday–Thursday) Experience: 3+ years Language: French & English requiredOverviewWe are seeking a Business Systems Developer to develop, enhance, and support custom business applications. The role involves translating business...

A dynamic tech company in Toronto is seeking a Full Stack Developer to join their Engineering team. The role involves web development and automation infrastructure, utilizing languages like Python and JavaScript. Ideal candidates will possess strong problem-solving skills, effective communication in English, and a passion for self-driven learning. This is a...

Jobgether in Canada-based partner search is for a Senior Software Engineer to evaluate AI coding interactions produced by tools like OpenAI Codex, Claude Code, and Cursor. This remote, contract-based engagement focuses on judging technical judgment, usefulness, and developer experience rather than producing code.The role requires senior engineers with...

A leading IT staffing firm is seeking a skilled SDK Engineer to support and enhance existing client SDKs across multiple programming languages. This remote role involves hands-on development, comprehensive testing, and collaboration with the FGA team. Candidates should be proficient in Go, JavaScript, .NET, Python, and Java. Experience with GitHub Actions...

Lockheed Martin Corporation in Ottawa seeks a Senior Software Engineer who blends hands-on development with team leadership. You will guide project execution, mentor junior engineers, and drive agile practices across the software lifecycle. The role requires two days per week in the office to collaborate with stakeholders and cross‑functional teams, and...

YO AI Labs is seeking an experienced Full-Stack Software Engineer to support an AI training project focused on software development, debugging, code evaluation, and problem-solving. This is a remote contractor role (~15 hours/week) with flexible scheduling across frontend and backend work, APIs, databases and code review.The ideal candidate will be...

Cossette is seeking a GenAI / Generative AI Developer to design and deploy end-to-end agentic workflows and RAG systems. You will map architectures, integrate LLMs and orchestration tools, and collaborate with front-end and back-end teams to deliver robust, production‑quality AI solutions.You will optimise prompts, handle data in all forms, and ensure...

Evaluate AI-generated software with Python, JavaScript, and full-stack expertise for Turing’s frontier AI research initiatives. This contractor engagement requires partial PST overlap.As a Software Engineering evaluator, you will create datasets for training and benchmarking large language models with researchers. You will curate code, provide precise...

Turing Enterprises, Inc. is seeking a Software Engineering Evaluator to curate cutting-edge datasets for training and benchmarking large language models. The role centers on Python across backend services, data pipelines, and ML infrastructure, with exposure to JavaScript, C/C++, Java, Rust, and Go.You will evaluate AI-generated code, provide precise...