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Top Full Stack Developer Jobs in Toronto

10 Days Ago
Toronto, ON
88,000 Employees
Senior level
88,000 Employees
Senior level
Fintech • Insurance
The Senior Full-Stack Developer will design, code, test, and maintain application programs, focusing on existing application systems' efficiency. Responsibilities include reviewing and modifying programming systems, conducting needs analyses for application systems development, and ensuring documentation for system revisions. The position demands extensive experience in Angular and Java frameworks along with enterprise-level security knowledge and Agile team collaboration.
10 Days Ago
Toronto, ON
Remote
60 Employees
Senior level
60 Employees
Senior level
Software
The Senior Full Stack Developer will be responsible for feature implementation, bug resolution, and application maintenance, while leading projects from solutioning to deployment. The role involves improving software development processes and mentoring junior developers.
11 Days Ago
Toronto, ON
Remote
326 Employees
Senior level
326 Employees
Senior level
Artificial Intelligence • Software • Biotech • Pharmaceutical
As a Lead Fullstack Engineer, you will drive technical initiatives, shape solutions, and lead a team to deliver high-quality SaaS products that enhance scientific research. Responsibilities include implementing features, refining architecture, making independent technical decisions, resolving project issues, advocating for new technologies, and developing a technical roadmap.
15 Days Ago
Toronto, ON
Remote
99 Employees
Senior level
99 Employees
Senior level
Manufacturing
Mysa is seeking Senior Full Stack Developers to develop scalable software for their smart HVAC controls. Responsibilities include architecting cloud-based applications, mentoring team members, and implementing emerging technologies, with collaboration across diverse teams.
14 Days Ago
Toronto, ON
88,000 Employees
Mid level
88,000 Employees
Mid level
Fintech • Insurance
As a Sr. Full Stack Developer, you will design and implement applications for the Audit IT portfolio. Responsibilities include coding, analyzing, and modifying systems, building APIs and microservices, ensuring application performance, conducting code reviews, and working in an Agile environment.
15 Days Ago
Toronto, ON
Remote
578,950 Employees
Mid level
578,950 Employees
Mid level
Big Data • Cloud • Logistics • Machine Learning • Retail
The Software Engineer III - Full Stack will develop software architecture, lead discussions on competing requirements, oversee less experienced programmers, participate in an on-call rotation, and drive business plans and prevent operational barriers, while utilizing various cloud platforms and technologies in the development process.
12 Days Ago
Toronto, ON
Remote
102 Employees
Senior level
102 Employees
Senior level
Software
As a Senior Full Stack PHP Engineer, you will enhance existing projects, develop new features, improve websites, engage in problem-solving, and interact with stakeholders. You will maintain quality and functionality of products while balancing creative development with management of large projects.
21 Days Ago
Toronto, ON
Remote
300 Employees
Senior level
300 Employees
Senior level
eCommerce • Healthtech • Kids + Family • Retail • Social Media
As a Senior Software Engineer at Babylist, you will enhance the eCommerce experience for parents and gift givers. You'll collaborate with cross-functional teams to implement effective solutions, improve existing systems, and drive business growth through innovative software architecture and engineering best practices.
13 Days Ago
Toronto, ON
Remote
371 Employees
Senior level
371 Employees
Senior level
AdTech • Marketing Tech
As a Senior Full Stack Software Engineer at StackAdapt, you will design and debug scalable systems, write test-driven code, and engage in architectural decisions. You'll work collaboratively on web architecture, APIs, and backend systems, taking ownership of projects while contributing to code and technical spec reviews.
13 Days Ago
Toronto, ON
Remote
250 Employees
Senior level
250 Employees
Senior level
Edtech • Software
The Senior Full Stack Engineer will develop features and applications using Angular and ASP.NET Core, optimize database performance, conduct code reviews, and collaborate with teams to solve product issues. The role involves self-managing work in an agile environment and contributing to a culture of innovation within the company.
17 Days Ago
Toronto, ON
Remote
371 Employees
Senior level
371 Employees
Senior level
AdTech • Marketing Tech
As a Staff Software Engineer at StackAdapt, you will lead full-stack technical decisions, mentor the engineering team, and develop scalable web APIs and backend systems for their advertising platform. You will tackle complex challenges, ensure engineering excellence, and drive effective solutions in a remote-first environment.
20 Days Ago
Toronto, ON
Remote
2,780 Employees
Senior level
2,780 Employees
Senior level
Cloud • Insurance • Payments • Software • App development • Big Data Analytics
As a Senior Software Engineer, you will participate in the full software development lifecycle of a Commercial Lines insurance product, design and implement software, maintain a web-based solution, and mentor peers while utilizing an extensive tech stack in an Agile environment.
13 Days Ago
Toronto, ON
Remote
Senior level
Senior level
Security • Software
As a Senior Full Stack Engineer at Mark43, you will take ownership of product features, work with product managers and designers, and improve both front-end and back-end architecture. You will also review codes, enhance customer experience, and contribute to technical documentation while participating in the open-source community.
17 Days Ago
Toronto, ON
Remote
132 Employees
Senior level
132 Employees
Senior level
Fintech • Information Technology
As a Senior Full-Stack Engineer at Alpaca, you will design, implement, and maintain systems to empower users trading assets. You'll develop web applications, collaborate with teams for scalable solutions, mentor junior developers, and oversee high-visibility projects from design to deployment.
14 Days Ago
Toronto, ON
Hybrid
1,529 Employees
Senior level
1,529 Employees
Senior level
Fintech • Payments • Financial Services
As a Senior Full-Stack Engineer at EQ Bank, you will design, develop, and support web and mobile applications. You'll work within cross-functional agile teams to define and deliver user-centric solutions, guiding projects with technical mentorship and collaborating on software development practices, including micro-frontend architecture and Azure Cloud services.
14 Days Ago
Toronto, ON
Hybrid
17 Employees
Senior level
17 Employees
Senior level
Artificial Intelligence • Analytics • Automation
As a Senior Full-Stack Developer at Overbond, you will design and build low latency applications using Python and Java, deploy solutions on Google Cloud, maintain real-time web applications with Angular, develop APIs, and mentor a team of engineers using agile practices.
15 Days Ago
Toronto, ON
293 Employees
Senior level
293 Employees
Senior level
Blockchain • Fintech • Financial Services • Cryptocurrency • Web3
The Senior Full Stack Engineer will design, develop, and maintain frontend and backend components for BitGo's wallet experience, collaborating with product managers and designers to deliver secure and scalable solutions. Responsibilities include UI development, codebase improvements, cross-team communication, and mentorship for peers.
15 Days Ago
Toronto, ON
Remote
14 Employees
Senior level
14 Employees
Senior level
Machine Learning • Biotech • Agriculture
As a Senior Software Engineer at Lithos, you'll develop software solutions for enhanced rock weathering, building tools for data mapping, conversion, and management while collaborating with interdisciplinary teams to optimize carbon removal efforts.
16 Days Ago
Toronto, ON
Remote
371 Employees
371 Employees
AdTech • Marketing Tech
Seeking a Staff Engineer to lead the full-stack engineering team at StackAdapt, focusing on the Audiences & Customer Data Platform domain. Responsibilities include advising on technical decisions, structuring web APIs, collaborating with stakeholders, mentoring the team, and delivering critical projects. Remote First company open to candidates in North America.
16 Days Ago
Toronto, ON
300 Employees
Senior level
300 Employees
Senior level
Cloud • Mobile • Software
As a Fullstack AI Engineer, you will design, develop, and deploy AI solutions and machine learning models. Your role includes integrating AI features, maintaining scalable code, supporting AI integrations, collaborating with teams, and providing technical mentorship. You will contribute to the long-term technical vision while shaping technology decisions in a fast-paced startup environment.
18 Days Ago
Toronto, ON
Remote
102 Employees
Senior level
102 Employees
Senior level
Software
The Lead / Senior Full Stack Engineer will lead the design and development of web applications, mentor junior members, and implement scalable APIs and services. Responsibilities include utilizing various technologies like TypeScript, React, and AWS, managing databases, containerizing applications, and collaborating across teams.
24 Days Ago
Toronto, ON
Remote
2,200 Employees
Entry level
2,200 Employees
Entry level
Big Data • Fintech • Mobile • Payments • Financial Services
As a Software Engineer I at Affirm, you will collaborate with your team to design, develop and implement backend systems, ensuring quality and speed while contributing to an effective team dynamic. You'll also engage in growth activities and participate in code reviews to foster a community of learning and development.
22 Days Ago
Toronto, ON
Remote
198 Employees
Entry level
198 Employees
Entry level
Fintech • Information Technology
Seeking a full-stack Staff Software Engineer to work on the Super+ vertical, architect services, tackle technical challenges, mentor team members, drive high-impact projects, contribute to engineering standards, and shape the technical roadmap.
20 Days Ago
Toronto, ON
Remote
71 Employees
Senior level
71 Employees
Senior level
Insurance • Financial Services
As a Senior Software Engineer at PolicyMe, you will architect and build scalable features for their web-based life insurance platform. Collaborating with product, design, and QA teams, you will ensure high technical standards and drive decision-making, while applying your expertise in both frontend and backend development.
19 Days Ago
Toronto, ON
38 Employees
Senior level
38 Employees
Senior level
Information Technology • Software • Consulting
Join a well-funded scale-up as a Senior Full-Stack Developer in Canada, working remotely with a US scale-up in the e-commerce industry. Build and deploy high-quality software, with expertise in front-end and back-end development. Interact with talented developers and data scientists. Must have over 5 years of experience in software development and a degree in Computer Science or related field.
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