Senior Full Stack Engineer Reactnode Java Jobs in Toronto, Canada

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Senior Full Stack Engineer Own End to End Platform

A leading SaaS company in Toronto is looking for an experienced Software Engineer to take ownership of features from design to production. The role involves working with a tech stack including Ruby on Rails, PostgreSQL, and Ember.js, focusing on data integration and system reliability. This is an opportunity to ...

Senior JS Full Stack Engineer (Node/React) with Equity

An innovative technology firm located in Toronto is looking for a full-stack JavaScript engineer to join their Workflows Integrated Development Environment team. The role involves designing, implementing, and building scalable software, working closely with product management, and participating in code reviews. ...

Senior Full Stack Engineer End to End Ownership (Hybrid)

A leading SaaS company in Toronto seeks an experienced engineer to own and develop features end-to-end from design through production. The ideal candidate has over 5 years of experience, especially with Ruby on Rails, and a strong understanding of APIs, data models, and working in an agile environment. This posi ...

Senior Full Stack Engineer — End to End Platform Ownership

A leading SaaS company in Toronto is seeking an experienced engineer to own the end-to-end development of features within a complex product ecosystem. You will work in a high-impact environment, ensuring the stability and scalability of applications built on Ruby on Rails and Ember.js. The ideal candidate will h ...

Senior Staff Software Engineer International Card Tech Full stack

161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Senior Staff Software Engineer - International Card Tech - Full-stack*This is a senior technical position (senior manager equivalent). This role does not have direct reports. We require advanced enterprise solutions architecture design, technical system de ...

Senior Full Stack Software Engineer (JavaScript, NodeJS and React)

Get to know Okta Okta is The World’s Identity Company. We free everyone to safely use any technology, anywhere, on any device or app. Our flexible and neutral products, Okta Platform and Auth0 Platform, provide secure access, authentication, and automation, placing identity at the core of busines ...

Senior Full Stack Engineer for No Code AI Platform

A dynamic tech firm in Toronto is seeking a Senior Full-Stack Developer to drive AI product development. You will build core systems for a no-code app builder and a conversational AI workflow engine, while ensuring robust code quality. This role demands strong expertise in both backend and frontend technologies ...

Senior Staff Software Engineer International Card Tech Full stack

161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Senior Staff Software Engineer - International Card Tech - Full-stack*This is a senior technical position (senior manager equivalent). This role does not have direct reports. We require advanced enterprise solutions architecture design, technical system de ...

Senior Full Stack Engineer 1 Year Contract Onsite Toronto

A leading software firm in Toronto is seeking a Sr. Software Developer - Full Stack for a 1 year contract. The role focuses on developing cloud-native applications using various technologies, including Node.js and SQL, while ensuring best practices in software development and compliance with accessibility standa ...

Senior Staff Software Engineer International Card Tech Full stack

Overview 161 Bay Street (93021), Canada, Toronto, Toronto, Ontario Senior Staff Software Engineer - International Card Tech - Full-stack This is a senior technical position (senior manager equivalent). This role does not have direct reports. We require advanced enterprise solutio ...

Senior JS Full Stack Engineer (Node/React) with Equity

An innovative technology firm located in Toronto is looking for a full-stack JavaScript engineer to join their Workflows Integrated Development Environment team. The role involves designing, implementing, and building scalable software, working closely with product management, and participating in code reviews. ...

Senior Full Stack Engineer (Python + Angular) — AWS, CI/CD

A prominent investment management firm in Toronto seeks a Senior Full Stack Developer proficient in Angular and Python. The role involves managing project timelines, designing software solutions in collaboration with stakeholders, and developing scalable applications. Candidates should have experience with cloud ...

Hybrid Senior Full Stack Engineer for Financial Services Applications

Elevate your career as a Senior Full Stack Engineer in a hybrid role! Collaborate in an agile environment where innovative applications for the financial services industry are built and refined. In this position, you will be part of a cross-functional team dedicated to developing both front-end and ...

Senior Full Stack Engineer: Build Next Gen Lidar Platforms

A tech company specializing in Physical AI located in Toronto, Ontario is seeking a Senior Full Stack Engineer to join their team. This role involves designing and developing scalable web applications using Angular and backend technologies such as Python, Rust, or C++. Ideal candidates will have 3+ years of expe ...

Senior Full Stack Software Engineer (JavaScript, NodeJS and React)

Get to know Okta Okta is The World’s Identity Company. We free everyone to safely use any technology, anywhere, on any device or app. Our flexible and neutral products, Okta Platform and Auth0 Platform, provide secure access, authentication, and automation, placing identity at the core of bus ...

Senior Staff Software Engineer International Card Tech Full stack

161 Bay Street (93021), Canada, Toronto, Ontario, Senior Staff Software Engineer - International Card Tech - Full-stack This is a senior technical position (senior manager equivalent). This role does not have direct reports. We require advanced enterprise solutions architecture design, technica ...

QTG Software Platform Engineering Senior Principal Full Stack Engineer

QTG - Software Platform Engineering - Senior Principal Full Stack Engineer 5700 Yonge St, North York, ON M2N 5M9, Canada Job Description Posted Thursday, April 2, 2026 at 4:00 AM Questrade Financial Group (QFG), through its companies - Questrade, Inc., Questrade Wealth M ...

Senior Full Stack Engineer — Own End to End Features

A PropTech company is hiring a Senior Software Engineer in Toronto to build and scale their platform. In this role, you will work across the full stack—Angular frontends and Node.js backends—delivering features quickly. The ideal candidate will have 5+ years of experience, strong full-stack capabilities, and the ...

Senior Full Stack Engineer: Data Pipelines & UI/UX Focus

A leading software company in Toronto is looking for a Senior Full Stack Software Developer. You will design and implement data pipelines, troubleshoot software issues, and ensure compliance with industry standards including PCI and WCAG 2.0. The ideal candidate has over 10 years of experience with technologies ...

Senior Full Stack Engineer for AI Driven Infra Platform

A leading predictive intelligence firm in Toronto is looking for a skilled software developer. This role involves building full stack web applications, defining data models, and developing robust backend APIs. The ideal candidate will have over 5 years of experience, with strong proficiency in Django Rest Framew ...

Senior Full Stack Engineer: UI/UX & Data Pipelines Lead

A technology solutions firm is seeking a Senior Full Stack Developer to design and implement data pipelines while delivering high-quality applications. The ideal candidate has over 10 years of experience with Spring Framework, React, CSS, and mobile device coding. This position requires expertise in developing c ...

Senior Full Stack Engineer — Hybrid Toronto, AI Driven Infra

A leading predictive intelligence firm in Toronto is seeking a highly motivated Software Developer. The role involves building full stack web applications and optimizing databases. The ideal candidate will have over 5 years of experience, strong proficiency in technologies like Django and React, and a passion fo ...

Senior QA Engineer: Full Stack, ML & Cloud Test Lead

A leading healthcare solutions provider in Toronto is seeking a Senior Quality Assurance (QA) Engineer to lead testing efforts for clinical solutions. The successful candidate will ensure quality across development processes, define test automation systems, and collaborate with product management. This role requ ...

Senior Full Stack Engineer (AI Driven) Onsite North York

A leading technology recruitment firm in Toronto is looking for a Senior Full Stack/Backend Engineer to join their innovative AI-driven team. The successful candidate will be responsible for designing and developing scalable software applications, building user interfaces, and integrating APIs. With a strong emp ...

Transform Environmental Solutions as a Senior Full Stack Engineer

Lead the charge in carbon removal innovations as a Senior Full-Stack Engineer. Collaborate with engineering leadership to develop a groundbreaking operational platform for environmental sustainability. Your role focuses on full-spectrum software development, crafting tools and workflows that enhance ...

Senior Full Stack Engineer for AI Powered Retirement Solutions

Join as a Senior Full Stack Engineer focused on developing groundbreaking AI solutions. Design and implement transformative autonomous agents that streamline workflows and elevate customer engagement in a collaborative environment. This leadership position requires deep technical skills to architect ...

Senior Full Stack Engineer React/Node, Hybrid AI Apps

A leading technology agency is seeking 4 Senior Full Stack Developers for a hybrid role in Toronto. Candidates should have 5+ years of experience with REACT and Node.js, be skilled in optimizing website performance, and familiar with API development and cloud infrastructure. The position, which runs until Decemb ...

Remote Senior Full Stack Engineer (EST) 3 Month Contract

A digital innovation firm is seeking a Senior Full Stack Engineer to join their team remotely. This role requires expertise in TypeScript, React, and a strong background in full-stack development, including mobile applications. As a vital team member, you will architect scalable applications, mentor junior engin ...

Senior Full Stack Engineer — End to End Platform Ownership

A leading SaaS company in Toronto is seeking an experienced engineer to own the end-to-end development of features within a complex product ecosystem. You will work in a high-impact environment, ensuring the stability and scalability of applications built on Ruby on Rails and Ember.js. The ideal candidate will h ...

Transformative Senior Full Stack Engineer for Real Estate Solutions

Shape the future of homeownership by joining a transformative tech team. We are looking for an experienced Senior Full Stack Engineer to enhance user experience through innovative software development. In this senior-level role, you’ll collaborate with cross-functional teams to design seamless digit ...

Senior Full Stack Engineer — Craft End to End Experiences

A digital real estate company is seeking a Senior Full Stack Software Engineer to enhance their suite of products for home buyers and sellers. The ideal candidate will have over 8 years of experience in software development, especially with JavaScript, TypeScript, React, and back-end languages like Ruby and Pyth ...

Senior Full Stack Engineer Own End to End Platform

A leading SaaS company in Toronto is looking for an experienced Software Engineer to take ownership of features from design to production. The role involves working with a tech stack including Ruby on Rails, PostgreSQL, and Ember.js, focusing on data integration and system reliability. This is an opportunity to ...

Senior Full Stack Engineer End to End Ownership (Hybrid)

A leading SaaS company in Toronto seeks an experienced engineer to own and develop features end-to-end from design through production. The ideal candidate has over 5 years of experience, especially with Ruby on Rails, and a strong understanding of APIs, data models, and working in an agile environment. This posi ...

Senior Mobile Engineer Focused on Full Stack Flutter Development

Unlock your potential as a Senior Mobile Engineer, excelling in Flutter and iOS development. Dive into a rewarding role that combines creativity and cutting-edge technology to enhance fitness experiences. With 5+ years of experience, you will play a key role in delivering a mobile application that i ...

Senior Full Stack Engineer Focusing on Reliability and Innovation

Elevate baseball training technology as a Senior Full Stack Engineer. Join a hybrid team driving system reliability and performance using React & Node TypeScript. In this role, you will develop robust web products that power cutting-edge pitch replication systems for professionals. Emphasizing DevOp ...

Senior Full Stack Engineer Driving Security and Performance Initiatives

Join as a Senior Full Stack Engineer to spearhead code integrity and performance audits. Collaborate with a close-knit team and ensure top-quality software standards and security practices. In this role, you will manage extensive code reviews and enhance existing systems, focusing on security and pe ...

Senior Full Stack Engineer for Innovative HR Tech Platform

Lead the development of amazing features as a Senior Full-Stack Engineer. Enjoy the freedom to build and influence a modern HR technology platform in a hybrid work setting. You will be a vital part of an early-stage team, responsible for constructing backend services and engaging user interfaces. Th ...

Senior Full Stack Engineer — Build Scalable, Secure Apps (Hybrid)

A leading software company in Toronto is looking for a Full Stack Software Developer to create high-quality, scalable code. The role requires significant experience with Python, JavaScript, and various AWS technologies. This hybrid position allows for flexible work arrangements while focusing on collaboration wi ...

Senior Full Stack Engineer — Build Life Saving Healthcare Tech

An ambitious company is revolutionizing healthcare with a cutting-edge Care Enablement Platform. They seek talented engineers passionate about improving patient care and maximizing productivity. Join a dynamic team where everyone is technical, fostering a flat hierarchy that enables rapid decision-making and exe ...

Remote Senior Full Stack Engineer | React/Node, API & Infra

A telehealth technology company is seeking a Senior Full-Stack Engineer to lead the development of modern web applications. This fully remote position will involve architecting complex applications using React and Node.js, mentoring other developers, and ensuring high quality and performance standards. Candidate ...

Senior Full Stack Engineer (Ruby on Rails & React) — Canada

About NextLink Labs NextLink Labs is a fast growing technology firm focused on helping companies build, scale, and secure their software applications and organizations. We believe that in order for companies, teams, and products to succeed, technology must be utilized effectively and ...

Senior Full Stack Engineer in Remote Agile Development Team

Become a part of a remote Agile team as a Senior Full Stack Engineer. Focus on developing applications that enhance community information sharing and support funding processes in Canada. This position requires over 8 years of experience in full-stack development, especially with the CCBC Portal and ...

Senior Full Stack Engineer — PHP/Laravel + Vue, Remote Canada

A digital healthcare company in Canada is seeking Intermediate and Senior Engineers to join their team. The role involves building scalable web applications, mentoring junior engineers, and enhancing platform reliability. Candidates should have over 3 years of experience in full-stack development, familiarity wi ...

Remote Senior Full Stack Software Engineer for Effective Tooling

Join as a Senior Full-Stack Software Engineer specializing in product tooling, working remotely to enhance user engagement. Focus on developing solutions that prioritize quality and customer happiness. As a pivotal team member, you will spearhead tooling initiatives that directly impact Lime's opera ...

Senior Full Stack Engineer Driving Next Level Observability Solutions

Take the lead as a Senior Full Stack Engineer at the forefront of observability innovation. Your skills in TypeScript and React.js will help redefine how teams monitor and debug applications across an advanced platform. As a pivotal part of the team, you’ll engage with the community while building f ...

Remote Senior Full Stack Engineer: Drive Scalable Web Apps

A dynamic technology startup is seeking a Senior Full Stack Developer to manage both client and server-side development. In this fully remote role, you will implement best practices, optimize applications, and work collaboratively to develop new initiatives. The ideal candidate will have over 3 years of experien ...

Senior Full Stack Engineer — Lead Scalable Web Apps (Remote)

A global education company is seeking a Sr Software Engineer in Canada for a remote role focused on full stack development. You will design and evolve platform features using modern technologies like JavaScript, React, and Node.js. The ideal candidate has over 6 years of experience and excels in scalable system ...

Remote Senior Full Stack Engineer for Innovative Tech Solutions

Elevate your engineering career as a Senior Full Stack Engineer in a remote environment. Collaborate within a dynamic team to build impactful features that revolutionize the automotive industry. As a key player, you'll engage in full-spectrum development—from designing scalable backend services to c ...

Remote Senior Full Stack Engineer Scale SaaS with AI

A leading technology firm in Vancouver is seeking a Senior Full Stack Software Engineer to tackle SaaS development challenges. This role involves designing and maintaining full stack features using Python/Django and TypeScript/React. Candidates should have 5+ years of experience and a strong background in AI & M ...

Senior Full Stack Engineer — Own End to End Features

A leader in biological crop protection is seeking a Senior Software Engineer for a remote-friendly role. You will design and maintain software to support sustainable agriculture while working closely with a small team. The ideal candidate will have 3-8 years of experience and strong problem-solving skills. Key r ...

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    Senior Full Stack Engineer Reactnode Java Jobs in Toronto Job Search Guide, Trends and Insights