Top Software Engineer Jobs in Ottawa

Design, develop, deploy, and maintain cloud-native full-stack features and APIs. Improve performance, reliability, and security; write tests; debug production issues; collaborate with product, SRE, QA, and support teams; use AI-assisted coding tools to accelerate delivery.

Design, develop, and maintain robust, performant, secure software for the Review Team. Analyze requirements, estimate effort, participate in code reviews, troubleshoot and fix defects, guide best practices, and make product design and architecture decisions while collaborating across teams.

Design, develop, test, and maintain scalable cloud-native web applications across front-end and back-end. Build RESTful APIs, database schemas, CI/CD pipelines, and microservices. Support production incidents, accessibility (WCAG/AODA) compliance, automated testing, DevOps practices, and collaborate with cross-functional Agile teams.

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.

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.

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, 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.

Engineer software that connects AI-driven platforms to datacenter power infrastructure. Develop control strategies and optimize energy use and AI workloads.

The Senior Back-End Software Engineer designs, develops, and maintains scalable backend systems while taking ownership of the software development lifecycle.

As a Software Engineer, you will design and implement scalable infrastructure systems for AI-powered security solutions, optimize performance, and improve deployment practices across cloud environments.

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

The Software Engineer will manage data collection for model training operations, enhance cloud infrastructure, and collaborate with AI scientists to improve data quality and scale.

Drive CI efforts, ensuring reliable and scalable development pipelines, while mentoring other engineers and improving developer productivity through tooling and automation.

The Senior Software Engineer will design, develop, and deliver quality software solutions. Responsibilities include coding, code reviews, performance monitoring, and guiding other engineers. Looking for candidates with experience in SaaS development, cloud environments, and various programming technologies.

Develop and implement C/C++ embedded software for pre-silicon verification of Ethernet/networking IP (including TSN). Collaborate with IP design and verification teams, perform trade-off analysis, ensure portability and high-quality software across platforms, and drive continuous design-methodology improvements.

The Software Developer will design optimization software, develop features, analyze algorithms, and collaborate with R&D teams to enhance product quality.

As a Software Engineer at Canonical, you will design, build, and ship software, improve packaging and distribution processes, and mentor colleagues while contributing to open source projects.

The Junior Ubuntu Software Engineer will design, build, and ship software, focusing on quality and resilience, while engaging with the open source community.

The Senior Software Engineer II will design automated reliability systems, improve tooling for incident management, and enhance observability infrastructure, contributing to operational excellence across engineering teams.

As a Senior Software Engineer on the AI Platform, you'll develop scalable AI systems, focusing on backend services, workflows, and integrations, partnering with cross-functional teams.