1,660,925+ Senior Full Stack Java Developer Reactjs Jobs in Canada — Top Companies Hiring September 2026

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Senior Full Stack Engineer Hybrid (Montréal, Canada)

Landjourney builds AI-native software for agricultural lending: loan origination, white-labeled servicing portals, automated document collection, and a capital marketplace. We are the only modern fintech delivering software to lenders in the agriculture vertical, and within our first year after launch we s ...

Senior .NET Software Engineer — Full Stack & Cloud

A dynamic technology provider in Toronto is looking for a Software Engineer to contribute innovative development work. You will participate in the full software development lifecycle and collaborate closely with the team on architecture and product functionality. The ideal candidate has at least 5 years of full ...

Développeur(se) Web Full Stack Senior, Spectra

GHGSat offre des services de détection, de mesure et de surveillance des gaz à effet de serre à des clients industriels et gouvernementaux partout dans le monde. Grâce à nos propres satellites et capteurs aéroportés, combinés à des données provenant de tiers, nous aidons les émetteurs industriels à mieux c ...

Senior Full Stack Software Engineer, Remitly Business

Remitly is on a mission to transform the lives of immigrants and their families by providing the most trusted financial products and services on the planet. Since 2011, we have been tirelessly delivering on our promises to immigrants sending their hard-earned money home. Today, we are reimagining internati ...

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 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 ...

Senior Full Stack Engineer: Next.js & React Native

A technology-driven educational market leader is seeking a Mid-Senior Full-Stack Developer to lead the Next.js web platform development and manage the React Native mobile app. The role demands 3–4+ years in web development including Node.js and React Native. Offering a competitive salary ranging from $60,000 to ...

Senior Software Engineer Full Stack at Haventree

Transform financial services at Haventree Bank as a Senior Software Engineer in Full Stack. Develop innovative applications that enhance homeownership opportunities across Canada.Haventree Bank is on the lookout for a Senior Software Engineer with a full-stack focus to join their Toronto team. This vital rol ...

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 op ...

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 op ...

Senior Software Engineer & Tech Lead (Full Stack)

A technology firm in Toronto is seeking a Principal Software Engineer with at least 8 years of experience to lead application development. This role involves building solutions using modern technologies like React and Node.js, mentoring other developers, and collaborating across teams. The ideal candidate will h ...

Senior Full Stack Engineer — AWS Cloud & React

A leading ecommerce platform in Toronto seeks a MTS 1 Full Stack Engineer to design and build scalable cloud-native software. The ideal candidate has strong experience with Python, Javascript, and AWS services such as Lambda and SQS. You’ll collaborate with diverse teams to ensure high-quality, consumer-facing s ...

Senior Full Stack Architect, Security Focus (Banking)

A leading IT services firm is seeking a Full Stack Architect in Toronto, ON, to design and manage solution engineering, focusing on cybersecurity and security architecture. The ideal candidate will have at least 10 years of experience and demonstrate strong technical leadership capabilities. This role involves c ...

Senior Software Engineer, Healthcare SaaS (Full Stack)

A healthcare technology firm is seeking a Senior Software Engineer to contribute to their growing team in Surrey, BC. This full-time, on-site role involves developing and maintaining full-stack software applications, collaborating with teams, and ensuring high code quality. The ideal candidate should have strong ...

Senior Full Stack MERN Engineer — Agile & Microservices

A leading bank in the Americas is seeking an experienced Full Stack Developer in Toronto, Ontario. You will work with the Scrum team on product onboarding, utilizing best software practices to deliver high-quality code. Ideal candidates have extensive experience in full-stack development, particularly with the M ...

Senior Full Stack Engineer (React, Node, PostgreSQL)

A non-profit health and benefits organization in Ontario is seeking an experienced Software Engineer IV to develop and maintain healthcare applications. The role emphasizes collaboration within an agile environment, requiring considerable backend and full stack development experience. Applicants should possess s ...

Senior .NET/Angular Full Stack Engineer Azure

A tech consulting firm in Toronto is seeking a Senior Full Stack Software Developer to design and implement solutions using .NET, Angular, and Agile methodologies. The ideal candidate has experience in front-end and back-end development, with strong problem-solving skills and a collaborative approach to software ...

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 ...

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 & Data Engineer (Hybrid, Vancouver)

A leading furniture technology company is seeking a Senior Software Engineer (Full Stack + Data) in Vancouver, British Columbia. The role involves designing, developing, and maintaining scalable web and data applications, with responsibilities spanning full-stack application development, data engineering, and cl ...

Senior Full Stack Engineer, Home and Explore

At Remitly, we believe everyone deserves the freedom to access, move, and manage their money wherever life takes them. Since 2011, we've tirelessly delivered on our promise to customers sending money globally, providing secure, simple, and reliable ways to manage their money, ensuring true peace of mind. W ...

Senior Full Stack Engineer North America (Remote)

At Linkby, we believe great storytelling deserves to meet great audiences. We power a performance-based press release platform that helps D2C brands land editorial placements on premium publishers, but only pay for real clicks. We exist to amplify authentic voices and drive measurable impact in digital med ...

Senior Software Engineer Hybrid, Full Stack & Cloud

A leading technology company is seeking a Senior Software Engineer in London, Ontario. The role involves designing and building full-stack systems, ensuring scalability and maintainability. Candidates should have 5+ years of experience, a strong background in modern technical stacks, and a commitment to high-qua ...

Full Stack Senior Software Engineer at Auth0

Transform innovative ideas into reality as a Full-Stack Senior Software Engineer at Auth0. Focus on identity security while developing robust features and applications.At Auth0, you will play a key role in the Identity Security Insights team, working in a supportive remote-first culture. Your responsibilitie ...

Senior Full Stack Engineer .NET, Node.js & Vue.js

A leading software development company in Canada is seeking a Senior Software Engineer skilled in .NET, Node.js, and Vue.js. The role involves designing, developing, and maintaining web applications, while collaborating with cross-functional teams. Responsibilities include writing efficient code, performing code ...

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 North America (Remote)

At Linkby, we believe great storytelling deserves to meet great audiences. We power a performance-based press release platform that helps D2C brands land editorial placements on premium publishers, but only pay for real clicks. We exist to amplify authentic voices and drive measurable impact in digital med ...

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, 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, ment ...

Senior Full‑Stack & Data Engineer (Hybrid, Vancouver)

A leading furniture technology company is seeking a Senior Software Engineer (Full Stack + Data) in Vancouver, British Columbia. The role involves designing, developing, and maintaining scalable web and data applications, with responsibilities spanning full-stack application development, data engineering, and cl ...

Senior Software Engineer – Customer Success (Full‑Stack)

A leading SaaS company in Canada is seeking a Senior Software Engineer to enhance core services and lead development. Join a high-energy team to build robust, scalable solutions using Node.js, TypeScript, MongoDB, and React. The role involves technical leadership, customer advocacy, and product collaboration, re ...

Senior Software Engineer – Customer Success (Full‑Stack)

A leading SaaS company in Canada is seeking a Senior Software Engineer to enhance core services and lead development. Join a high-energy team to build robust, scalable solutions using Node.js, TypeScript, MongoDB, and React. The role involves technical leadership, customer advocacy, and product collaboration, re ...

Senior Software Engineer & Tech Lead (Full Stack)

A technology firm in Toronto is seeking a Principal Software Engineer with at least 8 years of experience to lead application development. This role involves building solutions using modern technologies like React and Node.js, mentoring other developers, and collaborating across teams. The ideal candidate will h ...

Senior Full Stack Architect, Security Focus (Banking)

A leading IT services firm is seeking a Full Stack Architect in Toronto, ON, to design and manage solution engineering, focusing on cybersecurity and security architecture. The ideal candidate will have at least 10 years of experience and demonstrate strong technical leadership capabilities. This role involves c ...

Remote Senior Full Stack Engineer – Secure & Scalable

A technology solutions company is seeking a Senior Full Stack Developer to work remotely with occasional travel to Edmonton. The role involves applying security best practices, leading code reviews, and collaborating with DevOps teams for integration into CI/CD pipelines. Candidates should have mid-senior level ...

Remote Senior Full Stack Engineer – Secure & Scalable

A technology solutions company is seeking a Senior Full Stack Developer to work remotely with occasional travel to Edmonton. The role involves applying security best practices, leading code reviews, and collaborating with DevOps teams for integration into CI/CD pipelines. Candidates should have mid-senior level ...

Senior Full Stack Engineer – Cloud & APIs | Hybrid

A professional IT consulting firm is seeking a skilled Full Stack Developer to design and maintain applications using modern technologies like React and Node.js. The ideal candidate will have over 10 years of IT experience, including 5-7 years in full-stack development. This hybrid role requires strong back-end ...

Senior Full Stack AI Engineer — Lead Architecture

A leading travel technology company is seeking a Staff Full Stack Engineer to design and build AI-driven chat experiences. This role involves collaboration with engineers, data scientists, and product managers to innovate travel planning solutions. The ideal candidate will have over 8 years of software engineeri ...

Senior Software Engineer Full Stack for Enterprise

Confluence is hiring a Senior Software Engineer to join a core engineering team building a multi-tenant enterprise platform used by institutional clients. You will work across a modern full stack environment (React, .NET, Python, SQL Server) in a monorepo, designing and building features while maintain ...

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 ...

Senior Full Stack Engineer: AWS Microservices + React

A leading tech recruitment firm seeks an Intermediate/Senior Developer in Burnaby, Canada. This role involves designing secure, scalable serverless microservices using Node.js and AWS as part of a small engineering team. You will collaborate to deliver new features, optimize performance, and enhance productivity ...

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 ...

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 op ...

Senior Full Stack Engineer Media Platform (Hybrid)

Solink is seeking a Senior Full-Stack Engineer for the Media Team in Ottawa or Toronto, hybrid work. You will own cloud services powering the media pipeline: ingesting, processing, storing, and serving media at scale for thousands of locations. You’ll work deep in AWS-native infrastructure, focusing on ...

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 ...

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 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 ...

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 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 ...

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