Top Full Stack Developer Jobs in Toronto

As a Principal Software Engineer at Affirm, you will drive the long-term vision and architecture of post-purchase user experience and lead technical teams to develop end-to-end solutions for complex problems. You will also champion innovative, scalable solutions and provide technical guidance across the engineering organization.

Looking for a Full Stack Developer (Backend Bias) to design, develop, and maintain web applications using C# or Java. Responsibilities include implementing front-end features, creating and managing microservices, writing tests, optimizing performance and security, mentoring junior developers, and collaborating with stakeholders in an agile environment.

Seeking experienced full stack software engineers with at least 3 years of professional experience using Java and React in production. Responsibilities include working with product managers, building features, improving architectural strategies, reviewing code, collaborating with design and product teams, and nurturing an engineering culture.

Lead Backend Engineer at Movable Ink responsible for advancing services and systems on the DaVinci platform. Collaborate with stakeholders, minimize risk, build measurable solutions, mentor junior developers, and provide technical guidance. Requires 7+ years of software engineering experience and proficiency in Python, cloud computing platforms, data processing frameworks, and modern cloud technologies.

As a Senior Backend Engineer at Movable Ink, you will play a key role in advancing the DaVinci platform by developing high-quality, scalable solutions. Collaborate with cross-functional teams to define requirements, minimize risks, and provide technical guidance. Embrace a fast-paced environment and contribute to the development of innovative marketing and AI solutions.

Join our team at Canal to change the way people discover and sell physical products online. As a Senior Full Stack Software Engineer, you will lead large projects, produce high-quality code, and work with a motivated team to define engineering processes. Must have 3-6 years of industry experience and proficiency in Typescript, React, Django, and SQL databases.

Collaborate with business users to develop scalable web applications using a combination of front-end and back-end technologies. Migrate legacy applications to current technologies. Perform code review, testing, and other assigned duties. 5+ years of experience in creating large scale web applications with expertise in PHP and Laravel framework. Strong knowledge of front-end technologies like HTML5, CSS3, JavaScript, jQuery, Node.js, Vue.js. Proficiency in SQL, REST, .NET Core, SAML, OAuth for backend communication. Ability to create visually appealing applications with a focus on UX/UI details.

Senior Java Application Full-Stack developer working on developing new and extending existing applications in the RBC Insurance Digital portfolio. Responsible for providing technical direction, design expertise, and implementation of applications for RBC Insurance. Will also be involved in mentoring other developers and ensuring high code quality through testing.

As a Senior Full Stack Engineer at CSC Generation Enterprise, you will architect and implement services in a retail cloud, design and implement in TypeScript/JavaScript, React, NodeJS, and Python, and work on building quality code for various services within the application cloud.

As a Staff Software Engineer at StackAdapt, you will play a critical role in advising on full-stack technical decisions, communicating on complex technical endeavors, strategizing scalable web APIs, mentoring the team, and delivering critical projects that bring value to customers.

The Senior Fullstack Developer at RBC's Advanced Observability team will design and implement real-time dashboards, enhance APIs, optimize back-end services, implement distributed tracing solutions, and develop automated alerting systems for system observability. The role involves collaborating with teams, monitoring and improving tool performance, ensuring data security and compliance, and working in an Agile environment. Must have front-end and back-end development skills, experience with DevOps and deployment practices, and familiarity with mobile development and GraphQL.

The Senior Software Engineer on the Experiences team at CircleCI will focus on improving the developer experience for frontend engineers. Responsibilities include optimizing services, writing high-quality code, maintaining microservices, and collaborating with global colleagues. Candidates should have 3+ years of experience building and debugging distributed systems, expertise in frontend development and backend, and adaptability to a remote-first company culture.

Senior Software Engineer role at StackAdapt involving full stack development for the integrations team, focusing on building new features and collaborating on technical planning and architectural decisions. Requires 5+ years of experience as a full stack developer, strong API design knowledge, and experience with JS frameworks and databases.

The Software Engineer at Jungle Scout will be responsible for designing, building, and maintaining web applications and microservices. They will also play a role in decision-making around technologies, scaling systems, and mentoring junior developers. The position requires full stack development experience with skills in Python, SQL, Django, React, and familiarity with Ruby and Big Data/Spark.

We're looking for a Senior Full Stack Product Engineer to join our small, highly experienced, and fast-moving team. You will have end-to-end feature ownership, work with customers and the community, partner with the design team, and contribute to open-source projects. We offer remote work, competitive salary, equity grants, medical insurance, vacation, and company off-sites.

Join a leading fintech company in democratizing finance for all as a Senior Software Developer, Backend Lead. Responsibilities include building scalable systems, mentoring junior developers, and identifying opportunities for system improvement. Requires 5+ years of software development experience, expertise in writing low latency distributed systems, familiarity with REST API design, and proven experience on impactful projects.

Join a leading fintech company as a Software Developer, building and owning backend services for core financial products. Work with mentors, partner with cross-functional teams, and gain insight into the financial industry. Strong Computer Science fundamentals and familiarity with Python/Django or Go required.