Top Full Stack Developer Jobs in Toronto

Join Expanso as a Senior Software Engineer to work on the open-source project Bacalhau, contributing to the development and enhancement of distributed computing systems.

Join Remote as a Senior Backend Engineer working with Elixir and Postgres to build tools, APIs, and integrations for global remote organizations. Lead major projects, provide technical insights, maintain good understanding of the domain, and contribute to product improvements.

Join Scribd as a Software Engineer II focusing on backend software development with expertise in Ruby on Rails. Collaborate with product and data teams to ensure financial integrity and implement projects with a focus on quality and scalability. Responsibilities include writing technical documentation, addressing architectural gaps, and developing automated frameworks.

Backend Engineer II role at HashiCorp focused on developing next-generation distributed systems and building billing services primarily in Golang for the HashiCorp Cloud Platform. Responsibilities include developing critical user journeys, interfacing with internal teams and customers, and owning the full lifecycle of feature development. Ideal candidates have 3+ years of professional software development experience, familiarity with microservice architectures and security principles, and experience with high performance or distributed systems in cloud environments.

The Senior Backend Engineer at Grafana Alerting squad will take an active role in influencing the roadmap, working on new features, driving projects from ideation to operations, owning critical systems, mentoring team members, and learning new skills in a remote-first engineering organization.

VALR is seeking seasoned backend software engineers with experience in building fast, accurate, scalable, and secure applications. Required skills include Kotlin, Java, REST API, Websockets, version control, containerisation, CI/CD, Google Cloud Platform, AWS, troubleshooting tools, cryptocurrencies, and alternative financial systems.

Senior Software Developer role in the Sportsbook Core team at theScore, working on internal services for theScore Bet platform. Responsibilities include developing and optimizing gRPC endpoints, GraphQL APIs, SQL queries, and mentoring developers. Preferred tech stack includes Elixir, Phoenix, and Phoenix LiveView.

Join Perplexity as a Backend Software Engineer to lead design, implementation, and scaling of systems for API products. Responsibilities include designing and maintaining APIs, leading technical projects, and aligning technical decisions with strategic initiatives. Qualifications include experience with natural language/LLM APIs, infrastructure management, scalability, and user experience. 4+ years of engineering experience required.

As a Senior Full Stack Developer at Konrad, you will be responsible for developing and delivering web applications for both consumers and enterprises. This role requires strong technical skills in JavaScript and front-end frameworks, along with a deep understanding of modern web application components.

As a Senior FullStack Engineer at Corelight, you will lead the development and architecture of backend systems using React and Python, implement serverless architectures, and collaborate with cross-functional teams to deliver high-quality software solutions.

Join Observable as a Senior Software Developer to design, develop, test, deploy, and improve software for data apps. Work with a close-knit team on new features from frontend to backend. Prioritize workloads, empathize with users, and collaborate with diverse skills in a fast-paced, remote environment.

As a Software Engineer at Coinbase Trust & Loyalty, you will be responsible for building new products targeting high net worth individuals. You will work on decomposing monolithic Rails app into microservices, articulating a long-term vision for backend systems, and collaborating with cross-functional teams to drive product and technical roadmap.

Develop API services for VERB's enterprise products, collaborate with third-party web service providers, optimize applications for scalability and performance, debug complex issues, provide architecture guidance and mentorship

Senior Backend Software Engineer at Okta Personal focusing on redefining the future of identity on the internet by building Java/Spring based web applications on modern cloud infrastructure. Requires 5+ years of software development experience, B.S. in Computer Science, and expertise in identity and access management domains.

Design, improve, debug complex, scalable distributed systems. Write extensible, scalable, test-driven code. Collaborate on designing scalable web architecture, APIs, and backend systems. Take ownership of projects from start to finish and contribute to code and technical reviews.

Senior Software Engineer role at Canonical focusing on owning the design, delivery, and support of features in a highly concurrent, distributed system using Go. Responsibilities include coaching, team development, collaboration, and contributing to building a first-class engineering team.

Join a remote-first company as a Senior Software Developer in the Billing Group, contributing to developing essential features for healthcare clinics' financial health. Focus on backend development using Ruby on Rails, with opportunities to work with other languages. Full Stack Developer position with an emphasis on the backend and experience in React and Typescript on the frontend.