Top Software Engineer Jobs in Ottawa

The Senior Full Stack Software Developer will design, develop and implement scalable applications, manage system architecture, mentor developers, and drive engineering excellence.

As a Software Developer II, you'll implement .NET solutions, maintain quality assurance, collaborate with teams, minimize technical debt, and advance your skills using AI-driven tools.

Design, build, and maintain backend systems and APIs for stablecoin-based pay-ins, payouts, deposits, and withdrawals. Own projects end-to-end as DRI, collaborate with cross-functional teams, resolve scalability and reliability issues, mentor engineers, and integrate blockchain/payment technologies while producing technical design documents.

As a Staff Software Engineer, you'll lead a team in developing and delivering scalable software solutions for employee management in the restaurant industry, focusing on enhancing customer and employee experiences.

Lead the technical design and delivery of banking features at Cash App, collaborating across teams, driving architecture improvements, and mentoring engineers.

Full‑stack Software Engineer building and maintaining a React/TypeScript front end and Java/Spring backend. Own feature delivery to production, site reliability, observability, security upgrades, and AI-assisted development workflows. Collaborate with designers, improve performance and reliability, and evaluate AI tools to accelerate engineering work.

Early-career software engineer building and maintaining simulation infrastructure and tools for autonomous vehicles. Implement simulation features, support scenario generation and execution pipelines, improve automation and reliability, debug simulation issues, and collaborate with perception, planning, and controls teams while writing C++/Python and following software engineering best practices.

Build and operate core backend services, APIs, and platform components for enterprise AI; integrate LLMs, retrieval and agent workflows; ensure reliability, observability, testing, and scalability; collaborate with research, product, and design to productionize AI capabilities.

Own and maintain the backend stack: build APIs and services in Node.js, manage deployments with Docker/Linux, design scalable REST APIs with Swagger, collaborate with hardware/frontend teams, and prepare sensor datasets for AI/ML pipelines with an eventual path to Lead AI Engineer.

The Software Developer II will design and develop full-stack features focusing on front-end development, contribute to product and technical discussions, and enhance the ShareGate platform's user experience with C# .NET and React.

Design, implement, test, and maintain TypeScript-based frontend (React) and backend services. Build and operate APIs and cloud infrastructure (IaC), participate in on-call incident response, write automated tests, perform code reviews, mentor junior engineers, and collaborate with product, design, and security teams to deliver scalable security features.

Design and develop cloud-native components for the Wind River Cloud Platform, focusing on Kubernetes networking and high-performance technologies. Collaborate with teams to enhance infrastructure and contribute to open-source projects.

Design, build, and operate Kubernetes cluster management tooling and developer-facing workflows. Deliver compute capabilities (jobs, cron, deployments, EFS, right-sizing), automate toil, improve observability and incident response, and partner with Security/Reliability teams. Apply AI tooling to improve infrastructure automation and developer productivity.

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.

The role involves designing and developing machine learning infrastructure for annotation, evaluation, and training models, focusing on scalable systems and efficient data workflows.

Join Ema as a Software Engineer to design and develop user interfaces for web applications, collaborating with product managers and UX designers, and integrating APIs.

As a DevOps Engineer, you will design, develop, and deploy scalable SaaS solutions, automate infrastructure tasks, and collaborate on CI/CD enhancements.

As an AI-Driven Full Stack Engineer, you'll design and implement features for an AI-powered web application, working across the stack and integrating AI models to transform insurance processes.

As a Software Engineering Intern, you will contribute to building features for user-facing products, APIs, and scalable services for machine learning. Responsibilities include crafting code, designing data pipelines, implementing tools, and enhancing technical documentation.

The role focuses on optimizing coding practices and collaboration within the engineering team, improving internal tooling, and communicating between teams and leadership.

Build and own end-to-end backend systems for forecasting and agentic LLM research: design, deploy, monitor, debug, and harden features and pipelines (benchmarks, agents, production services). Prototype quickly, work with LLM APIs and coding agents, and collaborate with researchers to improve evaluation and forecasting tools.

As a Full-Stack Software Engineer, you will build end-to-end features, develop backend services, and create frontend applications while using AI-assisted tools and collaborating with teams.

Company culture-oriented posting with no role-specific responsibilities listed. Position title suggests a senior software architect/developer role, but no technical duties, stack, or deliverables are provided.

Design, build, and maintain telemetry instrumentation services, APIs/SDKs, and scalable data pipelines. Implement data quality, validation, governance, security practices, CI/CD, and on-call support while collaborating with product and partner teams.

Develop, maintain, support, and enhance enterprise eCommerce solutions using Oracle Commerce. Collaborate with teams to improve services and applications.