Top Software Engineer Jobs in Toronto

Build and operate full-stack software supporting Robinhood’s international expansion. Develop React and TypeScript interfaces, Go and Python backend services, localized onboarding, KYC/AML, multi-currency funding, trading experiences, growth systems, and internationalization platforms. Design distributed systems and APIs, ensure reliability and observability, lead technical delivery, and collaborate with product, design, compliance, legal, and platform teams.

Lead architecture and full-stack development for EASE, including TypeScript and Vue applications, backend APIs, automated testing, deployments, and production support across AWS and air-gapped on-premises environments. Own complex features, gather stakeholder feedback, improve performance and scalability, enhance CI/CD, and mentor engineers. The role also involves prototyping generative AI capabilities, integrating simulations, working with geospatial data, and maintaining secure, reliable distributed systems.

Build and operate production software, cloud infrastructure, developer platforms, CI/CD pipelines, reusable tooling, and automated guardrails. The role spans AWS, Kubernetes, infrastructure as code, security, observability, reliability, and developer experience. It also evaluates AI-assisted development and agentic workflows while providing technical leadership across engineering, infrastructure, security, architecture, and product teams.

Leads application systems analysis, software design, programming, and technology improvements. Develops scalable Java and JVM-based applications, microservices, user interfaces, and event-driven systems while establishing coding, testing, deployment, and performance standards. Partners with management and architecture teams, resolves complex technical problems, assesses risks, and mentors developers and analysts. Requires advanced experience with distributed systems, reactive programming, CI/CD automation, containerization, and software architecture.

Owns a mortgage loan origination domain end to end, including architecture, technical decisions, coding, code reviews, testing, technical debt, and production incidents. Builds .NET and C# REST APIs, contributes to Angular frontend development, and works with distributed microservices on GCP. Applies DDD, Event Sourcing, CQRS, asynchronous messaging, observability, and CI/CD practices while influencing cross-team architecture and supporting product decisions in a regulated financial services environment.

Defines target architecture across front-end and back-end systems, leads complex high-risk designs, manages scalability and performance, drives cloud migrations and modernization, establishes engineering standards, resolves systemic technical risks, and leads severe incident remediation. Coaches senior engineers and influences technical strategy across teams without formal authority.

Serve as the chief architect for the API Platform and Developer Experience organization. Define enterprise architecture for API gateways, developer portals, SDK pipelines, and MCP integrations. Lead distributed systems strategy, API security, identity, scalability, resilience, and technical migrations. Establish engineering standards, advise senior leadership, mentor engineers, influence cross-functional teams without formal authority, and represent the company through conferences and technical content.

Lead end-to-end solution design and hands-on software development across backend, web, and mobile platforms. Define architecture, make technical decisions, write production TypeScript using React and React Native, and collaborate with engineers and product leads. Drive architectural reviews, technical documentation, and complex initiatives using Domain-Driven Design and Event-Driven Architecture. Daily use of AI development tools such as Cursor or Claude is required. The role is hybrid, with three days weekly in the North York office.

Own the architecture and technical roadmap for a secured lending platform. Write and review C# and .NET code, design event-driven distributed services on GCP and Kubernetes, apply Domain-Driven Design and CQRS, and promote test-driven development with Playwright. Lead AI-enabled product and engineering improvements, maintain production observability with Datadog, collaborate with product and risk stakeholders, ensure reliability and compliance, and mentor engineers through design reviews, pairing, and coaching.

Design, build, maintain, and scale full-stack software systems. Own technical areas across the product lifecycle, resolve complex issues, improve code and infrastructure quality, participate in reviews, document technical designs, and collaborate with engineering and product teams to deliver resilient solutions.

Design, operate, and improve foundational storage systems supporting Sentry’s products. Build storage APIs and abstractions, solve distributed consistency and scaling challenges, plan migrations, optimize performance and cost, and collaborate with platform and product engineering teams. Develop primarily in Rust and Python, create advanced reliability tests, maintain observability and availability SLOs, respond to incidents, document technical decisions, and participate in on-call rotation.

Develop, enhance, test, deploy, and maintain in-house fund administration software. The Senior Software Developer will translate business requirements into functional designs, collaborate with business analysts and end users, deliver software projects, provide limited after-hours application support, and improve development processes. The role requires strong C# and web application experience, relational database expertise, and the ability to manage deliverables independently while working effectively with cross-functional teams.

Build scalable, low-latency backend APIs, event-driven services, integration layers, and microservices supporting personalization and recommendation experiences. Partner with AI/ML and data engineers to deploy models, expose AI services, and develop React applications. Improve security, observability, reliability, performance, scalability, and operational efficiency while using AI-assisted engineering tools to enhance delivery and code quality.

Designs, develops, tests, deploys, and supports full-stack corporate web applications integrated with Microsoft Dynamics Business Central and procure-to-pay systems. Responsibilities include software architecture, coding, database development, troubleshooting, performance optimization, reporting, SDLC participation, quality practices, technical guidance, and mentoring junior developers. The role also contributes to technology strategy, application standards, and continuous improvement initiatives.

Build and operate scalable full-stack software and AI-powered products for IoT-driven physical operations. Responsibilities include defining technical strategy, developing backend services, APIs, frontend and potentially mobile features, transforming AI capabilities into customer products, partnering across functions, leading complex projects, mentoring engineers, and improving engineering standards.

Build core MongoDB distributed database infrastructure focused on data partitioning, data movement, dynamic scaling, cluster elasticity, workload execution, and performance. Design reliable distributed protocols, solve complex scalability problems, review code, participate in architecture decisions, lead feature development, and mentor engineers. The role requires production-quality C++ development and strong expertise in distributed systems, computer architecture, performance, networking, observability, and resiliency.

Lead the delivery of complex, cross-team software initiatives from design through rollout. Architect robust backend services, guide technical strategy, mentor engineers, improve reliability and observability, and raise engineering quality through testing, tooling, documentation, and AI-assisted development workflows. The role also requires strong cross-functional communication, effective management of ambiguity, and leadership in adopting agentic software development practices.

Build and maintain scalable backend services and cloud infrastructure for Autodesk AEC collaboration products. Responsibilities include hands-on Java and cloud development, mentoring developers, implementing secure and high-performance services, maintaining automated testing and CI/CD, documenting technical solutions, optimizing distributed systems, and participating in production on-call rotations.

Lead technical direction for a high-performance 2D/3D viewer platform. Drive cross-team architecture, implement scalable platform capabilities, mentor engineers, improve engineering velocity, and resolve complex production issues while partnering with Product, UX, and Architects.

Build and own full-stack healthcare software that automates benefit verification and prior authorization. Develop Python services, APIs, TypeScript and React interfaces, integrations, data models, and AI-powered workflows. Partner with product, AI, operations, users, and customers to define problems, ship reliable features, validate production outcomes, scale architecture, improve engineering quality, and mentor teammates.

Lead the design and delivery of production-grade AI agents and automation workflows. Translate ambiguous business processes into reliable software, integrate agents with systems of record using MCP, and establish architecture, evaluation, monitoring, safety, auditability, human review, and rollback practices. Partner with data and business teams, drive reusable technical patterns, mentor engineers, and document systems for sustainable operation.

Leads technical direction for high-visibility, cross-organizational software initiatives. Designs and evolves scalable merchandising APIs and services, develops internal platforms and tooling, and delivers reliable full-stack solutions using React, Node.js, and TypeScript. Mentors engineers, conducts code reviews, influences architecture, and collaborates across engineering, marketing, and product teams. The role also involves distributed systems, cloud infrastructure, CI/CD, container orchestration, experimentation, analytics, and potentially open-source contributions.

Build and operate scalable, low-latency backend services, APIs, event-driven systems, integrations, and frontend applications supporting membership, loyalty, rewards, and consumer engagement. Configure and integrate Antavo with commerce, CRM, CDP, marketing, and data platforms. Apply secure, observable, resilient engineering practices, troubleshoot production issues, and optimize performance. The role requires strong Java and Spring Boot expertise, plus working knowledge of React, Node.js, Kafka, and SQL/NoSQL databases.

Build and own backend services, web applications, REST APIs, webhooks, and enterprise integrations. Lead customer integrations from scoping through launch, improve the operator dashboard, and maintain production reliability through monitoring, incident response, and root-cause analysis. Collaborate with product, success, and customer engineering teams while contributing to code reviews, technical design, mentoring, security, and AI-assisted development.

Provides technical leadership for cloud cost management and reporting platforms. Designs scalable software, APIs, data pipelines, and analytics solutions; establishes engineering standards; leads modernization, automation, security, observability, and CI/CD practices; and drives cross-functional initiatives. The role partners with product, FinOps, cloud platform, and business teams, mentors engineers, leads design reviews, and transforms cloud and AI cost data into actionable insights.