Top Software Engineer Jobs in Ottawa

Develop and support AI-driven SaaS solutions, lead architectural decisions, mentor engineers, design scalable microservices, and ensure code quality.

The role involves developing and supporting SaaS products, leading architectural decisions, mentoring engineers, and ensuring code quality in AI-driven projects.

Maintain and improve reliability, scalability, and performance of cloud services. Own IaC, CI/CD pipelines, deployments, and automation. Participate in on-call rotations to triage and resolve production incidents. Troubleshoot cloud, networking, configuration, and backend issues.

Design and build features for the SFS banking platform, onboard Block products, build secure fault-tolerant systems handling sensitive financial data, ensure service reliability, remediate incidents, and create durable operational fixes.

Lead architecture and implementation of routing, dispatch, and real-time tracking systems. Design scalable backend services and APIs, integrate with TMS/ERP systems, build dispatcher web interfaces, mentor engineers, and collaborate with product, design, and mobile teams to deliver fleet optimization features at scale.

Develop, test, and maintain C#/.NET enterprise and operational applications, support SQL Server databases, fix defects, participate in Agile ceremonies, perform code reviews, and support lifecycle and DevOps practices within a hybrid team environment.

The Staff Software Engineer will develop full-stack applications, lead projects, mentor teammates, and drive architectural discussions to enhance Toast's restaurant platform.

As a Senior Software Engineer, you will enhance data pipelines, integrate with EHR systems, and mentor fellow engineers while ensuring scalable and reliable solutions for health technology.

As a Senior Backend Software Engineer, you'll develop systems and APIs for applications, ensure scalability and availability, and may lead teams, focusing on agile development and collaboration with multidisciplinary teams.

As a Fullstack Staff Software Engineer at Babylist, you will lead projects in health technology, mentor team members, and drive impactful decisions using AI and modern tech stacks.

The role involves designing and expanding the platform's backend to enhance merchant lifecycle orchestration, executing technical strategy, and improving engineering standards.

As a Senior Software Engineer, you'll lead the backend systems for Affirm's Growth Platform, collaborating and delivering projects while fostering quality and ownership within the team.

Lead design and implementation of AI-powered developer tools and integrations (code generation, test automation, docs, knowledge discovery). Build CI/CD and IDE integrations, evaluate emerging AI tech, promote AI-assisted development best practices, and mentor engineers to scale internal platforms and developer productivity.

Design, build, and operate authentication and authorization systems for Samsara's IAM platform, including agent identity and enterprise audit systems. Drive architecture, cross-team integrations, mentor engineers, and collaborate with Infrastructure, Security, Compliance, and Product to ensure scalable, secure identity solutions for millions of users and devices.

As a Senior Software Engineer on the Cash App Banking team, you will lead the design, execution, and delivery of banking features, collaborating across teams to enhance the user experience.

As a Staff Software Engineer, you will lead technical strategies, drive architectural decisions, mentor engineers, and develop consumer banking solutions using various technologies.

The Staff Software Engineer will shape technical direction, build developer platforms, and design AI agents, enhancing developer productivity and collaboration across teams.

As a Senior Software Engineer at Babylist, you will develop systems for a high-volume marketplace, collaborating on advertising, commerce features, and infrastructure while leading projects and improving processes with AI-driven methodologies.

Design, build, and operate scalable data ingestion, replication, and lakehouse infrastructure to move petabytes of data into a Delta Lake on S3. Improve reliability, observability, security, and developer experience for Spark/Databricks processing. Develop internal libraries and tooling (Go/Python), collaborate with cross-functional teams, and help shape long-term data platform and AI-ready infrastructure.

Design and implement a distributed query optimizer for MongoDB: research query systems, architect and build features to improve query performance, collaborate across teams, mentor engineers, and drive long-term roadmap and production-quality changes in a large C++ codebase.

Develop and integrate software for hardware platforms using C/C++. Responsibilities include architecture definition, SDK integration, and system performance monitoring, while collaborating with various teams and mentoring new developers.

Responsible for developing and maintaining QNX graphics drivers, integrating hypervisors, analyzing and resolving software problems, and documenting software specifications.

Develop, upgrade, and sustain full-stack CMS (Liferay) applications across classified/unclassified environments. Work includes Java backend and module development, JavaScript/HTML/CSS front-end work, Oracle/PostgreSQL integration, Linux system administration, CI/CD with Azure DevOps, troubleshooting, documentation, and training in secure government settings.

Contribute to design, development, integration, maintenance, and support of enterprise HRMS and COTS applications for the Military Command Software Centre. Implement and debug Oracle PL/SQL, C++, C#, and JavaScript; build interfaces for data synchronization, produce custom and ad-hoc reports, and support ongoing application operations in Agile.

The Senior iOS Engineer will lead engineering decisions, develop the Speechify iOS app, enhance architecture, and shape product strategy within a dedicated team.