Top Software Engineer Jobs in Ottawa

Own end-to-end design, architecture, build, test, deploy, and monitoring of highly available full‑stack web platforms. Maintain CI/CD pipelines, optimize relational databases, mentor engineers, handle on‑call incidents, and align technical stakeholders.

Lead the mobile/Windows development team, mentor members, oversee development lifecycle, implement best practices, and ensure high-quality application delivery.

Lead the development of mobile/Windows applications, providing technical guidance and mentorship, ensuring best practices, and overseeing the entire development lifecycle.

Design and maintain backend services for core products, utilizing Go and microservices architecture, while collaborating with teams and ensuring high-quality code.

Lead the validation and compliance of non-product software used in medical device development. Responsibilities include defining validation strategies, ensuring compliance with FDA and ISO standards, and cross-functional collaboration.

As a Senior Software Engineer, you will build and maintain data framework integrations for ClickHouse, focusing on high-performance database and developer experience. You will manage full lifecycle integrations, ensuring scalability and reliability for real-time data processing and analytics.

The Senior Software Engineer will architect and build scalable cloud infrastructure, collaborate with teams, and improve system security and performance.

The Senior Backend Engineer will design and maintain backend services for core business functions, ensuring reliability and scalability while collaborating with cross-functional teams.

As a Software Development Engineer II at Mapbox, you'll contribute to the Studio team, build tools for map designers, solve complex architecture problems, and ensure code quality and performance while mentoring teammates.

The Applied AI Engineer will own full-stack feature delivery, build AI pipelines, integrate financial APIs, and work cross-functionally on new product builds in an autonomous role.

The Lead Quality Engineer will set quality standards, mentor a QA team, improve testing strategies, and enhance automation in AI-driven workflows.

Lead backend development: design, build, and maintain .NET backend services and RESTful APIs, own backend architecture and API strategy, improve performance and reliability, drive code quality and CI/CD, mentor engineers, collaborate with frontend/product/devops, and share ownership of production health and incident response.

Lead frontend architecture and product development for member-facing web and mobile apps. Build high-performance, accessible React/React Native UIs, own end-to-end features including APIs and backend services, mentor engineers, drive design system and frontend standards, and collaborate with Product, Design, Clinical, and Data teams to deliver scalable, user-centered health experiences.

The Staff Software Engineer will lead initiatives in building a full-stack educational platform, mentor engineers, and collaborate with Product and Design teams.

Optimize Ubuntu integration across latest IoT and server-class hardware, lead customer engagements, and work with open source communities in a remote, collaborative environment.

As a Software Support Engineer, you will troubleshoot and resolve complex issues related to Ubuntu and open source technologies, collaborate with teams, and contribute to community development.

Design, build, and maintain FeeNavigator features across the full stack using PHP/Laravel and Vue. Optimize MySQL queries, write tests, refactor complex code, document architecture, collaborate with Product and SRE, and diagnose production issues to deliver secure, observable, and scalable software.

Design, build, and operate scalable backend services in Python or Go to power underwriting decisioning. Integrate statistical and ML models, implement APIs (REST, gRPC/GraphQL), ensure observability and testing, lead projects, and collaborate with product, data science, and underwriting teams to automate underwriting workflows.

Drive redesign of the new-customer experience by building features across Python services, a GraphQL gateway, Auth0-based auth, and Terraform-managed GCP infrastructure. Collaborate cross-functionally, ensure reliable, well-tested deployments, and independently drive projects to completion.

As a Software Engineer, you'll design and optimize algorithms for real-time sensor data processing, collaborating with a talented team on high-performance solutions for autonomous driving.

Design, implement, and operate visualization software for a dynamic satellite and terrestrial network. Build geospatial and graph-based views, backend services and APIs, data delivery mechanisms, playback and event-reconstruction tools, and tools for tracing, filtering, and investigating network state and incidents. Partner with network and systems engineers to optimize performance, security, observability, and resilience.

Develop and enhance robust software solutions, improve software stability, manage technical debt, and collaborate in an agile environment.

Develop and maintain the Keycard Agent SDK, ensuring compatibility with various languages and frameworks, while engaging with the developer community to enhance agent applications.

As a Software Engineer at Keycard, you'll design, develop, and implement identity and access infrastructures for dynamic, agent-native systems. You'll work on innovative projects that enhance developer experience and security, collaborating closely with a distributed team.

We are seeking a product-minded backend engineer to work on our Customer Studio product, focusing on data performance, analytics, audience syncing, and generative AI. The role requires strong architecture, scalability considerations, and product engagement.