1,660,987+ Senior Full Stack Java Developer Reactjs Jobs in Canada — Top Companies Hiring September 2026

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Remote Senior Full Stack Engineer GraphQL/React

Penn Interactive, part of PENN Entertainment, is hiring a remote Senior Full Stack Engineer for the Client Platform. This full-time role is based with work location in Canada. You will work across front-end and back-end GraphQL, TypeScript, React, PostgreSQL, and SQL to support web and mobile clients. ...

Remote Senior Full Stack Engineer (React/Python)

A Canadian technology company seeks a Developer Level 3 to support the development and maintenance of applications including data visualization platforms. This 100% remote role requires 8+ years of experience, including strong skills in Git, React, and RESTful APIs. Candidates should have experience as a full-st ...

Senior Software Engineer Remote, Full Stack & Scale

Confluence is seeking a Senior Software Engineer to join a core engineering team building a modern, multi-tenant enterprise platform. You will work across a full stack including React, .NET, Python, and SQL Server while designing, implementing, and delivering features that scale. This hands‑on role emp ...

Senior Full Stack Engineer RepairPal (Remote Canada)

Summary Yelp engineering culture is driven by our values: we’re a cooperative team that values individual authenticity and encourages creative solutions to problems. All new engineers deploy working code their first week, and we strive to broaden individual impact with support from managers, ment ...

Senior Full Stack Engineer RepairPal (Remote Canada)

Summary Yelp engineering culture is driven by our values: we’re a cooperative team that values individual authenticity and encourages creative solutions to problems. All new engineers deploy working code their first week, and we strive to broaden individual impact with support from managers, ...

Senior Full Stack Engineer Subscriptions & Platform APIs

APPLY is seeking a Senior Software Engineer to design and implement subscription management features across a full-stack architecture. You will build RESTful APIs with Restify/Node.js, develop React/Next.js UIs, and create webhook handlers for real-time subscription events. You will integrate with thir ...

Senior AI Engineer Full Stack & Enterprise AI

La Société Financière Manuvie recherche un Senior AI Engineer pour concevoir et livrer des applications full‑stack cloud intégrant l’IA, avec des capacités génératives et des flux métiers sécurisés. Vous travaillerez avec les ingénieurs, le product et les partenaires métiers pour traduire des exigences ...

Senior AI Engineer Full Stack & Enterprise AI

La Société Financière Manuvie recherche un Senior AI Engineer pour concevoir et livrer des applications full‑stack cloud intégrant l’IA, avec des capacités génératives et des flux métiers sécurisés. Vous travaillerez avec les ingénieurs, le product et les partenaires métiers pour traduire des exigences ...

Senior Full Stack Architect Enterprise Platform Leader

TD Bank Group in Toronto, Ontario, Canada is seeking a Senior Full Stack Architect (FSA) to shape and govern end‑to‑end technology solutions that align with our long‑term architectural vision. You will work with stakeholders, engineers, designers, and risk partners to deliver scalable, secure platforms while ...

Développeur·se Senior Full Stack — Plateforme et Infrastructure

Lieu : Hybride (télétravail et bureau à Joliette)Type d’emploi : Temps plein Rejoins Citadel et fais la différence pour l'environnement ! Une belle occasion s’ouvre chez Cidatel, une entreprise partenaire de Nordikeau! Ensemble, les deux organisations unissent leurs f ...

Remote Senior Full Stack Engineer (React/Python)

A Canadian technology company seeks a Developer Level 3 to support the development and maintenance of applications including data visualization platforms. This 100% remote role requires 8+ years of experience, including strong skills in Git, React, and RESTful APIs. Candidates should have experience as a full-st ...

Senior Full Stack Engineer: React + Python (Hybrid)

Dialogue recherche un(e) Expert(e), développement logiciel Full Stack. Vous serez un leader technique clé, reliant automatisation backend et expérience fournisseur fluide. Avec plus de 10 ans d’expérience, maîtrise de React/React Native et Python est essentielle. Vous aurez à définir des stratégies frontend, con ...

Senior Full Stack Engineer: Microservices, Elixir & JS

WorldGaming offers you the best of both work worlds: a small company with a start-up culture plus all the benefits of a large corporation with a great reputation. If you have 5 years of software development experience, have architected, designed, and implemented applications, and possess experience wit ...

Développeur·se Senior Full Stack — Plateforme et Infrastructure

Lieu : Hybride (télétravail et bureau à Joliette)Type d’emploi : Temps plein Rejoins Citadel et fais la différence pour l'environnement ! Une belle occasion s’ouvre chez Cidatel, une entreprise partenaire de Nordikeau! Ensemble, les deux organisations unissent leurs f ...

Fable Senior Engineer: AI & Full Stack Development

Become a pivotal part of Fable's mission as a Senior Software Engineer, specializing in AI and full-stack development. Your technical expertise will be essential in creating accessible solutions for customers worldwide.In this role, you will harness your backend and full-stack development skills to design an ...

Senior Software Engineer Remote, Full Stack & Scale

Confluence is seeking a Senior Software Engineer to join a core engineering team building a modern, multi-tenant enterprise platform. You will work across a full stack including React, .NET, Python, and SQL Server while designing, implementing, and delivering features that scale. This hands‑on role emp ...

Senior Engineer Full Stack Applications at TD

Advance your software engineering career with TD as a Senior Engineer focusing on full stack applications in Toronto, Ontario. Work with Angular and C# to create transformative business solutions. In the Equity Derivatives Technology team, you'll tackle challenges in technology that drive the tradin ...

Senior Full Stack Software Engineer Python & JavaScript

About FareHarbor At FareHarbor, our mission is to make experiences better for everyone. Founded in 2013 in Hawaii and acquired by Booking Holdings in 2018, FareHarbor creates powerful tools that enable our clients (think boat rentals, museums, food tours, events and more!) to operate and grow. </p ...

Senior Full Stack .NET / SQL — Architecture & Impact

Béton Provincial recherche un développeur full stack senior pour concevoir, développer et faire évoluer son écosystème applicatif. Vous travaillerez sur des applications Web en C# (.NET MVC / WebAPI), SQL Server et sur des ETL et pipelines de données. Le rôle implique du développement frontend (HTML/CS ...

Senior Full Stack Engineer — Remote AI Platform

Cohere is hiring a senior generalist for the North team to own and ship full-stack features end-to-end. You will move across backend and frontend as required, designing APIs, databases, and the frontend layers that surface the product. You will collaborate with product, UX, and modeling teams to valida ...

Senior Full Stack Engineer — Remote AI Platform

Cohere is hiring a senior generalist for the North team to own and ship full-stack features end-to-end. You will move across backend and frontend as required, designing APIs, databases, and the frontend layers that surface the product. You will collaborate with product, UX, and modeling teams to valida ...

Senior Full Stack Engineer Electronic Arts [EACF260827]

About Us! We are a product-driven team focused on building custom software solutions that solve real business problems. We work closely across engineering, product, and design to create scalable systems, internal tools, and data driven platforms that deliver real impact. Our culture v ...

Senior Engineer Full Stack Applications at TD

Advance your software engineering career with TD as a Senior Engineer focusing on full stack applications in Toronto, Ontario. Work with Angular and C# to create transformative business solutions.In the Equity Derivatives Technology team, you'll tackle challenges in technology that drive the trading floor. E ...

Développeur(se) Full Stack senior et Cloud

Rejoignez Toon Boom - Là où la créativité et la technologie se rencontrent ! Depuis plus de 30 ans, Toon Boom est le leader mondial des logiciels d’animation 2D, faisant confiance à des studios de renom tels que Disney, Fox et Netflix. Avec l’innovation au cœur de notre mission, nous permetto ...

Senior Full Stack Software Engineer Python & JavaScript

About FareHarbor At FareHarbor, our mission is to make experiences better for everyone. Founded in 2013 in Hawaii and acquired by Booking Holdings in 2018, FareHarbor creates powerful tools that enable our clients (think boat rentals, museums, food tours, events and more!) to operate and grow. </p ...

Senior Full Stack Engineer: Frontend Lead (Contract)

Jobgether is seeking a Senior Full Stack Developer (Contractor) based in Canada to deliver intuitive, performant, accessible digital experiences. You will own user-facing features from design handoff through deployment while contributing to backend work when needed. The role blends strong front-end exp ...

Senior Full Stack Software Engineer AI Platform

A leading technology company is seeking a Software Development Engineer III / Senior Software Development Engineer - Full Stack to join their AI organization in Canada. In this role, you will work on building user-facing and platform experiences for AI agents. The ideal candidate has extensive experience in soft ...

Senior Full Stack Engineer: Frontend Lead (Contract)

Jobgether is seeking a Senior Full Stack Developer (Contractor) based in Canada to deliver intuitive, performant, accessible digital experiences. You will own user-facing features from design handoff through deployment while contributing to backend work when needed. The role blends strong front-end exp ...

Senior Full Stack Engineer at Movable Ink

Join Movable Ink as a Senior Full Stack Engineer and play a key role in developing scalable, reliable solutions. Collaborate closely across teams in a dynamic environment, focusing on full stack content personalization. In this senior role on the Designer Team, you'll work collaboratively with devel ...

Développeur full stack senior bureau de québec

NOTRE ENGAGEMENT Un environnement propice à l’excellence technique où la qualité, la performance et l’innovation sont au cœur de nos priorités ; Une équipe qui valorise l’autonomie, la prise d’initiative et la livraison rapide de solutions concrètes ; Une atmosphère de ...

Senior Full Stack Engineer — Remote AI Platform

Cohere is hiring a senior generalist for the North team to own and ship full-stack features end-to-end. You will move across backend and frontend as required, designing APIs, databases, and the frontend layers that surface the product. You will collaborate with product, UX, and modeling teams to valida ...

Senior .NET Full Stack Engineer: APIs & Automation

Astek is seeking a hands-on Senior Full Stack .NET Developer to design, build, and maintain modern web applications, APIs, and automation solutions. You will collaborate with senior engineers, product owners, and stakeholders to deliver secure, scalable software and support production systems. The role ...

Senior Full Stack Engineer, AI Features Lead

Projekt Network Inc. is seeking a senior developer who can own the AI features atop a Django API, a Next.js web app, and React Native mobile apps. You will ship across three surfaces, debug production issues, and take ownership of our AI layer that coaches tradespeople and surfaces relevant people and ...

Senior Full Stack Group Manager at Citi

Drive full-stack innovation at Citi as a Senior Application Group Manager. Collaborate with expert teams to deliver scalable solutions and ensure adherence to technical excellence across projects.In this key management position, you will lead various teams in crafting high-performance applications, focusing ...

Remote Senior Full Stack Engineer GraphQL/React

Penn Interactive, part of PENN Entertainment, is hiring a remote Senior Full Stack Engineer for the Client Platform. This full-time role is based with work location in Canada. You will work across front-end and back-end GraphQL, TypeScript, React, PostgreSQL, and SQL to support web and mobile clients. ...

Senior Full Stack Software Engineer AI Platform

A leading technology company is seeking a Software Development Engineer III / Senior Software Development Engineer - Full Stack to join their AI organization in Canada. In this role, you will work on building user-facing and platform experiences for AI agents. The ideal candidate has extensive experience in soft ...

Senior Full Stack Engineer — Hybrid, Impactful FinTech

Sun Life is seeking a Senior Software Engineer - Full Stack to join the SAFT squad working on Suncentral and Advisor Hub. You will design, build, and ship full-stack features, write testable code, and collaborate with a cross-functional team in a hybrid setup. You’ll contribute to modernizing legacy co ...

Senior Full Stack Engineer — Hybrid, Impactful FinTech

Sun Life is seeking a Senior Software Engineer - Full Stack to join the SAFT squad working on Suncentral and Advisor Hub. You will design, build, and ship full-stack features, write testable code, and collaborate with a cross-functional team in a hybrid setup. You’ll contribute to modernizing legacy co ...

Senior Full Stack Engineer — Hybrid, Impactful FinTech

Sun Life is seeking a Senior Software Engineer - Full Stack to join the SAFT squad working on Suncentral and Advisor Hub. You will design, build, and ship full-stack features, write testable code, and collaborate with a cross-functional team in a hybrid setup. You’ll contribute to modernizing legacy co ...

Senior Full Stack Engineer Electronic Arts [EACF260827]

About Us! We are a product-driven team focused on building custom software solutions that solve real business problems. We work closely across engineering, product, and design to create scalable systems, internal tools, and data driven platforms that deliver real impact. Our culture value ...

Senior Full Stack Engineer Remote, Impactful FinTech

ZayZoon is seeking a Senior Developer to own features end-to-end—from backend architecture to frontend delivery, testing, and demonstrations. You’ll ship features, ensure performance, and maintainability in a fully remote environment across Canada and the U.S. You’ll design scalable solutions, tackle c ...

VP Senior Applied AI Full Stack Engineer

We are seeking a senior technical leader specializing in building high-performance, interactive data visualization platforms and enterprise reporting engines. This is an expert-level role focused on creating advanced, web-based analytical applications that combine rich, interactive frontends with highly optimize ...

Senior Full Stack .NET / SQL — Architecture & Impact

Béton Provincial recherche un développeur full stack senior pour concevoir, développer et faire évoluer son écosystème applicatif. Vous travaillerez sur des applications Web en C# (.NET MVC / WebAPI), SQL Server et sur des ETL et pipelines de données. Le rôle implique du développement frontend (HTML/CS ...

Senior Software Engineer, Full Stack Sales Planning

CaptivateIQ is hiring a remote candidate for Senior Software Engineer, Full Stack - Sales Planning. This is a full-time position. Work location: Canada. The role typically involves technologies such as TypeScript, React, Django, Rails, Python, Rust. CaptivateIQ is transforming the way companies plan, manag ...

VP, Full Stack Applications & Platform Architect

Citi is seeking a Full Stack Application Developer to lead analysis and programming tasks for complex systems. You will design scalable microservice-based solutions and work across teams to deliver new features using React, Node.js, Java/Spring, and modern cloud architectures. Required 6–10 years of ex ...

VP, Full Stack Applications & Platform Architect

Citi is seeking a Full Stack Application Developer to lead analysis and programming tasks for complex systems. You will design scalable microservice-based solutions and work across teams to deliver new features using React, Node.js, Java/Spring, and modern cloud architectures. Required 6–10 years of ex ...

VP, Full Stack Applications & Platform Architect

Citi is seeking a Full Stack Application Developer to lead analysis and programming tasks for complex systems. You will design scalable microservice-based solutions and work across teams to deliver new features using React, Node.js, Java/Spring, and modern cloud architectures. Required 6–10 years of ex ...

VP, Full Stack Applications & Platform Architect

Citi is seeking a Full Stack Application Developer to lead analysis and programming tasks for complex systems. You will design scalable microservice-based solutions and work across teams to deliver new features using React, Node.js, Java/Spring, and modern cloud architectures. Required 6–10 years of ex ...

VP, Full Stack Applications & Platform Architect

Citi is seeking a Full Stack Application Developer to lead analysis and programming tasks for complex systems. You will design scalable microservice-based solutions and work across teams to deliver new features using React, Node.js, Java/Spring, and modern cloud architectures. Required 6–10 years of ex ...

VP, Full Stack Applications & Platform Architect

Citi is seeking a Full Stack Application Developer to lead analysis and programming tasks for complex systems. You will design scalable microservice-based solutions and work across teams to deliver new features using React, Node.js, Java/Spring, and modern cloud architectures. Required 6–10 years of ex ...

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    Senior Full Stack Java Developer Reactjs Jobs in Canada Job Search Guide, Trends and Insights