Top Software Engineer Jobs in Ottawa

The Principal Software Engineer will design and deliver control software for complex electronic products, leading a small design team and ensuring product sustainability through all development phases.

As a Senior Software Engineer, you'll develop core infrastructure for multi-agent systems, designing backend services and APIs for orchestration, collaborating across teams, and driving technical decisions in a dynamic environment.

As a Senior Software Engineer, you will design and build a new lifecycle orchestrator service, mentor engineers, and drive technical strategies while improving engineering standards and processes.

Design, build, deploy, and maintain scalable backend features and APIs for enterprise restaurant products. Lead complex projects, ensure quality with automated testing, monitor rollouts, collaborate with UX/PM, mentor engineers, and partner across teams to improve functionality and reliability for customers.

Design, build, and maintain Java backend components and integrations between enterprise platforms using APIs, connectors, and event-driven patterns. Troubleshoot production issues, improve CI/CD and testing, enforce security and compliance best practices, automate lifecycle and governance processes, and collaborate with SMEs, engineers, and architects on solution designs.

Design, develop, test and maintain mission-critical air traffic management software. Collaborate in cross-functional Agile teams, participate in code reviews, troubleshoot defects, support integration and validation, and produce technical documentation to ensure reliable, maintainable systems.

Build full-stack features for a cloud-native SaaS digital forensics platform, working on React front-end components and C# backend services. Deliver case management and shared workflows, write tests, participate in code reviews, collaborate with Product and UX, and operate services in a containerized/cloud environment.

As a Senior Backend Software Engineer, you will lead on architectural decisions, develop backend services and APIs, and handle scalable architecture for millions of users.

The Senior Software Engineer will manage data systems, develop scalable pipelines, ensure data security, and build self-service applications for users at Coinbase.

Lead architecture and implementation of Coinbase's Risk Platform: build high-throughput, low-latency real-time fraud detection, decisioning, and mitigation systems. Define multi-quarter technical strategy, partner with Data Science/ML/Product/Compliance, implement AI-native agent-driven workflows, and mentor engineers to improve reliability, performance, and scale.

Lead design and delivery of backend risk systems to detect and prevent fraud, manage credit and market risk, and protect users. Drive architecture for distributed, high-availability services, partner with Data Science/ML and product teams, build AI-native detection and response systems, mentor engineers, own operational excellence, and lead incident response and post-mortems.

Design, implement, and maintain photonic card software for embedded Linux or RTOS targets. Integrate software with hardware and vendor components, support product lifecycle activities, collaborate across teams, and contribute to new optical networking product development and lifecycle management.

As a Software Engineer, you will collaborate in small teams, transform legacy systems, apply modern engineering practices, and continuously learn and grow.

Build and ship full‑stack product features for a browser-based CAD application: own front-end architecture and UX, maintain backend services (APIs, Postgres on GCP), write well-tested high-performance code (including C++ core), and lead customer-facing technical engagements to turn feedback into product improvements.

Develop and optimize distributed systems for syncing customer data, focus on scalability, reliability, and performance for global clients.

Join the Billing squad to design and build a flexible billing engine, payment/tax integrations, rating and charging infrastructure, GraphQL APIs, and user interfaces within a serverless TypeScript microservices stack. Collaborate with product, QA, and design to deliver production-grade solutions for communications service providers.

Join the Platform squad to build and maintain a Typescript-based serverless microservices platform on AWS. Improve cloud availability, security, CI/CD, public APIs, data pipelines, internal DevOps libraries, and developer tooling while collaborating across product and engineering teams.

Lead the Developer Environments team, enhancing software development productivity. Drive strategy, manage systems, and improve developer workflows and tooling.

As a Senior Staff Software Engineer, lead projects in Smart Trailers and Connected Equipment, drive architectural improvements, ensure technical health, mentor engineers, and adopt an AI-first engineering culture while collaborating across teams.

The Principal Software Engineer will design and optimize backend applications/services, improve payment integration, and oversee code quality within AWS.

Design and build platform systems that enhance software shipping speed and confidence, collaborating across engineering teams to improve existing infrastructures and workflows.

Lead and deliver AI-native full‑stack engineering projects from prototype to production. Collaborate with PM, design, and analytics, mentor engineers, define technical plans, ensure operational reliability, and drive quality, code review standards, and on-call support for rapid, experiment-driven product development.

As a Software Engineer, you will create tools and pipelines for AI development, manage data solutions for ML teams, and ensure high-quality code.

Build tools and infrastructure for training language and multi-agent models in interactive environments; research and implement advances in language modeling and reinforcement learning; contribute to publications and open-source projects.

Build and maintain end-to-end web applications powering sales and operations. Design tools for quoting, scheduling, and fulfillment, integrate AI into products, collaborate on UX, ship high-impact features, and contribute to architecture, deployment, and engineering culture.