Senior Full Stack Developer Python Nodejs React Jobs in Toronto, Canada

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Senior Application Architect

Position Description: This role is hybrid and requires you to be at our downtown Toronto and/or Client ( Yonge Street, Toronto) office at a minimum 3 days per week - subject to change at any time. We are seeking a Senior Application Architect to lead the design and evolution of ...

Lead Software Engineer / Tech Lead Manager, Growth (Remote)

Fully Remote (North America / South America). There is 1 opening, posted to multiple locations. No agencies. About Maximus Maximus ( is a mission-driven consumer performance medicine telehealth company that provides men and women with content, community, and clinical support to op ...

Intermediate Fullstack Developer

Job DescriptionInsight Global is seeking a Java Developer to join a development team supporting multiple small‑to‑medium initiatives within an enterprise environment. This role is ideal for a junior‑to‑intermediate developer (around 5 years of experience) who has a strong technical foundation, a positive att ...

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 ...

Applications Architect – Senior

Applications Architect Senior Requisition ID: RQ10457 Client: Government Services Integration Cluster Ministry: Ministry of Public and Business Service Delivery and Procurement Location: 222 Jarvis Street, Toronto, Ontario, Canada Assignment Type: Onsite 5 Days/Week Duration: April 1, 2026 March 31, 2027 Secu ...

Senior Full Stack Engineer & Tech Lead – Microservices & Cloud

A leading financial institution in Toronto seeks a capable full stack engineer to drive the development of enterprise applications. In this role, you will design scalable solutions, maintain coding standards, and apply strong technical expertise in frameworks like React and Node.js. You should possess 8+ years o ...

Senior Full Stack AI Engineer for Secure SaaS

A fast-growing AI solutions firm seeks a Senior Full-Stack Engineer to develop secure SaaS applications that leverage generative AI capabilities. The ideal candidate will lead development initiatives, manage backend architecture, and integrate AI technologies. This role offers dynamic challenges and the chance t ...

Remote Senior Full Stack Engineer, Crypto & Alt Trading

A fintech leader in Toronto seeks a Principal Full Stack Engineer specializing in crypto and alternative trading products. This pivotal role involves architecting secure, scalable applications and driving the expansion of crypto infrastructure. Ideal candidates have over 8 years in software development and exper ...

Senior Full Stack Engineer: Cloud Native, Global Scale

A global ecommerce platform is seeking a Senior Full Stack Engineer to redefine the Goldin platform. The role involves designing scalable, cloud-native architectures and requires expertise in Python, JavaScript, and AWS services. The ideal candidate has extensive experience in developing consumer-facing applicat ...

Senior Full Stack Engineer – TS/Node, Remote Canada

A leading InsurTech company is seeking a Senior Software Developer to contribute to their development team. The role involves building software for their rating and pricing engines using Node.js and TypeScript. Candidates should have strong experience in full stack web applications and be familiar with modern fr ...

Senior Full Stack Engineer Remote First, Lead & Build

An innovative firm is looking for senior software engineers to join their dynamic team in Toronto. This early-stage opportunity offers the chance to work on cutting-edge transportation technology, developing user-friendly mobility solutions that enhance commuting experiences. As a key member of the team, you wil ...

Senior Full Stack Lead: Java/Spring & AWS Lambda

A leading tech company in Toronto is seeking an experienced FullStack Developer Lead to drive projects utilizing Java and AWS technologies. The ideal candidate has over 10 years of hands-on experience in Java development, strong leadership skills, and full-stack expertise including modern frameworks. This role o ...

Senior Solutions Designer: Data Linking & Azure (Full Stack)

A leading technology solution provider in Toronto is seeking a Sr. Solutions Designer to create and enhance hosting technology solutions. The ideal candidate has extensive experience in full stack development, data linking algorithms, and managing complex system projects. A background in public sector organizati ...

Senior Full Stack Engineer: Cloud & On Prem FinTech

A leading financial services firm in Toronto is seeking team players to join a cross-functional team. You will work on on-prem and cloud native applications using agile methodologies. The ideal candidate should be adaptable, willing to handle front-end, back-end, and automation tasks. This role offers a supporti ...

Senior Full Stack Engineer (Next.js, MySQL) – Toronto | Equity

A dynamic tech company based in Toronto is seeking a Senior Software Engineer. This role focuses on leading the design and development of web applications, particularly using Next.js and MySQL, and requires strong full-stack development skills. The ideal candidate will work in a collaborative environment on inno ...

Senior Full Stack Engineer: Cloud Native AI Microservices

A prominent software company in Toronto is seeking a Sr. Software Developer - Full Stack to design and optimize cloud-native microservices. The candidate should have expertise in Angular and Spring Boot, with a strong background in AI/ML framework integration and experience in building scalable backend services. ...

Remote Senior Full Stack Engineer — Observability DX (Equity)

A leading tech firm in Canada seeks a Senior Full Stack Engineer to revolutionize observability through an open-source platform. The role involves shaping key features, collaboratively engaging with the developer community, and tackling technical challenges in building high-performance systems. Candidates should ...

Senior ML Engineer II — Full Stack, Production ML

A growing tech company in Canada is hiring a Senior Software Engineer II to focus on machine learning and build new products that improve customer experiences. The ideal candidate will have 10+ years of experience, strong coding skills, and the ability to work with large datasets. This role offers competitive co ...

Senior Full Stack Engineer Remote, High Impact Solutions

A technology consulting firm is seeking a Senior Full-Stack Engineer in Canada to deliver high-quality software solutions. In this role, you will take ownership of key projects, focusing on both back-end and front-end systems. You should have 7+ years of experience and a strong grasp of scalable solutions, REST ...

Senior Full Stack Engineer — Real Time Crypto Trading

A leading digital product studio in Canada is looking for a Software Developer with strong backend and frontend skills to build sophisticated trading platforms. The ideal candidate will have 6+ years of experience, particularly in high-performance systems. This role offers the flexibility to work remotely and pr ...

Senior Full Stack Engineer AI Driven SaaS, Scalable

A leading technology firm is seeking a Senior Full-Stack Engineer to join its growing team. This role focuses on SaaS application development, leading initiatives in backend architecture and AI integrations, particularly with generative AI technologies. Candidates should have proficiency in Python and Ruby on Ra ...

Senior Power BI Developer

Senior Power BI Developer We are looking for a Senior Power BI Developer for a minimum 6 month contract with our client in the financial industry. This position will focus on designing, developing and leading the creation of reports, dashboards and data models that are effective for all-l ...

Software Engineering Intern Build Transit Platform Remote

A Toronto-based startup is seeking a motivated intern to develop features for their transit data platform. You will work with React and Python, collaborate closely with the lead developer, and gain substantial ownership of your tasks. Ideal candidates will have prior experience in software development and an int ...

Full Stack Java Development Lead

Drive the future of banking technology as a Full Stack Java Development Lead. This hands-on leadership role focuses on creating enterprise web applications while providing technical mentorship to a dedicated team. You will work at the intersection of backend and frontend development, employing Java, ...

Software Engineer

Who We Are ZOLEO is building the next generation of connected communication devices — integrating hardware, firmware, mobile applications, and cloud services into one seamless global experience. We design technology that keeps people connected when it matters most, combining satel ...

Staff Machine Learning Software Engineer Agentic AI

At Loblaw Digital, we know that our customers expect the best from us. Whether that means building the best, most innovative online shopping experience, or designing an app that will impact the lives of people across the country, we’re up for the challenge. From our office in Downtown Toronto, we’ve create ...

Senior Staff Developer

Meet Benevity Benevity is the way the world does good, providing companies (and their employees) with technology to take social action on the issues they care about. Through giving, volunteering, grantmaking, employee resource groups and micro‑actions, we help most of the Fortune 100 brands bui ...

Sr Software Engineer

About the RoleAs a Senior Software Engineer, you will work on our engineering team on a broad range of technologies, developing features on the entire stack. We are looking for a motivated self-starting person that is willing to take on big challenges. You must also be an empatheti ...

Developer Relations Engineer

Join to apply for the Developer Relations Engineer role at Canonical 2 days ago Be among the first 25 applicants Join to apply for the Developer Relations Engineer role at Canonical As the publisher of Ubuntu we serve ...

Senior Backend Engineer (New Products)

Requirements 5-10+ years of experience with backend or frontend engineering, working with relational databases and/or other database technologies - we're hiring frontend, backend, and full-stack engineers for this team! Have several years of industry experience buildin ...

Senior Banking.Net Developer C#.net development, Outh2.0, strong cloud Azure experience and WCAG Docker 101444 1

Position Title: .Net developerDuration: 6 monthsRemote/Hybrid: Hybrid, Wednesday 3rd FridayOffice Location: 81 Bay 21st FloorBest vs average candidate: experience with C#.net development, Outh2.0, strong cloud Azure experience is required for this role, WCAG Docker and banking will ...

ServiceNow Developer

Job DescriptionThe Enterprise Change Management Transformation & Strategy team is seeking an SRE automation engineer who has experience working across the full stack, building automation solutions that enable positive user experiences and measurable business growth by streamlining IT Change Management proces ...

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