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Top Full Stack Developer Jobs in Toronto

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.
17 Days Ago
Toronto, ON
Remote
1,300 Employees
Senior level
1,300 Employees
Senior level
Software
As a Senior Software Engineer at Grafana, you will design, build, operate, and maintain critical full-stack systems. You will work on the Query Library project to improve data accessibility, mentor team members, and drive new feature development while ensuring system performance and reliability.
Yesterday
Toronto, ON
Remote
181 Employees
Senior level
181 Employees
Senior level
Beauty • Enterprise Web • Fintech • Payments • Software
As a Senior Software Engineer, Backend at GlossGenius, you will develop backend services, manage APIs, handle data modeling, and ensure scalability to support large volumes of transactions. You will lead projects, maintain high coding standards, and mentor teammates.
25 Days Ago
Toronto, ON
6,700 Employees
Senior level
6,700 Employees
Senior level
Information Technology
As a Full Stack Senior Software Developer, you will design and develop software solutions, collaborate with product teams, ensure architectural integrity, mentor team members, and troubleshoot issues. You will work with modern development processes and contribute to systems supporting a fleet of production robots.
20 Hours Ago
Toronto, ON
Hybrid
449 Employees
Senior level
449 Employees
Senior level
Information Technology
The Senior Software Engineer will architect and develop backend systems using NodeJS and TypeScript, leading technical decisions and mentoring junior developers. Responsibilities include designing APIs, ensuring system scalability, and collaborating with cross-functional teams on project initiatives.
23 Days Ago
Toronto, ON
Remote
6,000 Employees
Senior level
6,000 Employees
Senior level
Big Data • Cloud • Healthtech • Software • Big Data Analytics
As a Senior Full-Stack Software Engineer at Veeva Systems, you will design and develop innovative life sciences applications, lead projects through the software development lifecycle, and ensure high-quality standards. You’ll actively mentor junior engineers and collaborate closely with cross-functional teams to address complex technical challenges in the industry.
23 Days Ago
Toronto, ON
Hybrid
135 Employees
Senior level
135 Employees
Senior level
Healthtech • Software
As a Senior Full-Stack Engineer at NimbleRx, you will architect technology for web products, taking ownership of features from design to release, mentoring junior engineers, and promoting best practices in a collaborative environment. Your role involves enhancing system usability and performance while tackling technical challenges.
21 Days Ago
Toronto, ON
Remote
371 Employees
Senior level
371 Employees
Senior level
AdTech • Marketing Tech
Senior Full Stack Engineer role in Marketing Automation at StackAdapt. Responsibilities include mentoring the team, advising on technical approaches, architecting scalable web APIs, collaborating with stakeholders, and addressing system performance issues. Requires 3+ years of experience in building web applications with React, JavaScript, GraphQL, Ruby on Rails, and AWS knowledge. Prior experience in email marketing automation or ad tech is an asset.
21 Days Ago
Toronto, ON
800 Employees
Senior level
800 Employees
Senior level
Digital Media • Gaming • Sports • eSports
The Senior Full Stack Engineer II will deliver high-quality code, lead complex technical projects, mentor junior team members, and contribute to the company's technical roadmap while maintaining coding standards and documentation.
2 Days Ago
Toronto, ON
Remote
181 Employees
Senior level
181 Employees
Senior level
Beauty • Enterprise Web • Fintech • Payments • Software
As a Staff Software Engineer at GlossGenius, you will lead a distributed engineering team, focusing on designing and enhancing product offerings, managing complexity, and collaborating with stakeholders. Your role includes guiding technical decisions, mentoring team members, and driving engineering standards while ensuring high-quality products.
21 Days Ago
Toronto, ON
Remote
84 Employees
Mid level
84 Employees
Mid level
Software
As a Full Stack Engineer at Aztec, you will enhance developer experience by improving build times, CI systems, deployments, and metrics, focusing on the devops aspects of engineering. You will work closely with team leads to identify and resolve inefficiencies in the development process, ensuring a robust and streamlined workflow.
17 Hours Ago
Toronto, ON
170 Employees
Senior level
170 Employees
Senior level
Financial Services
As a Senior Software Engineer at Paystone, you will design and develop scalable backend services and APIs using TypeScript and GraphQL, manage cloud infrastructure using GCP services, and ensure high code quality through testing and documentation. This role focuses on mentorship and driving technical leadership within the engineering team.
Mid level
Digital Media • Marketing Tech • Social Media • Software • Analytics
The Intermediate Software Developer, Fullstack will design, build, test, and deliver software, coordinating integration testing and addressing bugs. They will manage projects, interact with product and design teams, and uphold coding standards. Familiarity with various technologies including TypeScript, React, and Go is essential.
4 Days Ago
Toronto, ON
13,285 Employees
Junior
13,285 Employees
Junior
Big Data • Cloud • Digital Media • Machine Learning • Mobile • Software • Industrial
As a full stack engineer, you will build and maintain features in a cloud environment, implement API designs, and ensure high code quality. Your role involves translating product requirements into engineering tasks, effective team communication, and supporting production systems on-call.
3 Days Ago
Toronto, ON
Remote
702 Employees
Senior level
702 Employees
Senior level
Cybersecurity
As a Senior Developer (Backend) on the Billing & Payments team at 1Password, you will lead the development and debugging of software systems, mentor junior developers, collaborate with stakeholders, and solve complex technical challenges. You will drive technical design and ensure adherence to software development best practices.
4 Days Ago
Toronto, ON
3,464 Employees
Senior level
3,464 Employees
Senior level
Fintech • Cryptocurrency
As a Senior Software Developer, you will build scalable backend systems, design and release product features, mentor junior developers, and collaborate with frontend and data teams to optimize REST APIs. You'll focus on stability and long-term maintainability while driving innovative solutions in fintech.
23 Days Ago
Toronto, ON
Remote
6,000 Employees
Mid level
6,000 Employees
Mid level
Big Data • Cloud • Healthtech • Software • Big Data Analytics
As a Full-Stack Software Engineer at Veeva Systems, you will participate in the software development lifecycle, collaborate with cross-functional teams to develop applications for life sciences, and contribute to troubleshooting and technical support.
23 Days Ago
Toronto, ON
103 Employees
Senior level
103 Employees
Senior level
Blockchain
As a Full Stack Engineer focusing on backend services, you will design and implement service architecture, including APIs and SDKs. Collaborate with frontend developers and smart contract engineers, ensuring smooth interactions between user interfaces and blockchain components while guiding partners in application development.
5 Days Ago
Toronto, ON
44 Employees
Senior level
44 Employees
Senior level
Information Technology • Software
The Backend Engineer will lead the development of the accounting platform at Wholesail, focusing on integrating with fintech providers, creating new product offerings, and enhancing platform components and APIs. Responsibilities include collaboration with cross-functional teams and managing system performance and reliability.
6 Days Ago
Toronto, ON
Remote
198 Employees
Senior level
198 Employees
Senior level
Fintech • Information Technology
The Senior Software Engineer, Payments will be responsible for building and owning the payment processing infrastructure, tackling both frontend and backend challenges, mentoring junior developers, and participating in cross-functional projects, all in a fast-paced, agile environment.
4 Days Ago
Toronto, ON
Remote
146 Employees
Entry level
146 Employees
Entry level
Software
As a Backend Engineer at Tailscale, you will develop and improve the Tailscale product by contributing to backend services, enhancing product features, and ensuring the software's stability and security. You will collaborate with technical teams and manage the product lifecycle from coding to customer support.
2 Days Ago
Toronto, ON
293 Employees
Senior level
293 Employees
Senior level
Blockchain • Fintech • Financial Services • Cryptocurrency • Web3
As a Senior Software Engineer at BitGo, you'll design and develop scalable APIs and services for a custodial platform, ensuring high performance and quality. You will collaborate with cross-functional teams, write efficient code, mentor peers, and stay updated with new technologies, all while focusing on delivering trust in digital assets.
24 Days Ago
Toronto, ON
13,285 Employees
Senior level
13,285 Employees
Senior level
Big Data • Cloud • Digital Media • Machine Learning • Mobile • Software • Industrial
As a Senior Full Stack Software Developer at Autodesk, you'll build services that enhance the data infrastructure of AEC products. Responsibilities include software development, collaborating with teams for product enhancements, leveraging cloud architecture, implementing testing processes, and optimizing performance at scale.
3 Days Ago
Toronto, ON
Remote
7 Employees
Senior level
7 Employees
Senior level
Cloud • Enterprise Web • Information Technology • Security • Software
The Senior Developer (Backend) leads the development and debugging of software systems, collaborates with teams to align technical decisions with goals, mentors junior developers, and proposes scalable solutions to technical challenges while ensuring high-quality code through testing and debugging.
24 Days Ago
Toronto, ON
Remote
106 Employees
Senior level
106 Employees
Senior level
Software
As a Senior Full-Stack JavaScript Developer, you will work on application development with a focus on customer-facing aspects, using React for front-end and Ruby on Rails for backend development. Engage in microservice architecture and collaborate with a multicultural team on international projects.
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