Top Software Engineer Jobs in Ottawa

Build, maintain, and evolve Mozilla’s Internal Developer Infrastructure Platform: CI/CD, observability, Kubernetes optimization, environment bootstrapping, and cost optimization. Lead technical decisions, create Claude skills and agentic workflows to boost developer productivity, mentor teammates, write proposals, and deliver cross-functional platform features while ensuring usability, maintainability, and safe production paths.

As a Distributed Systems Engineer, you'll design and evolve LiveKit's core systems, implement resilient architectures, and enhance reliability and developer velocity, working on critical features in production environments.

As a Principal Software Developer, you will lead the technical direction and implementation of Autodesk's Viewer platform, drive architectural practices, and mentor engineers across teams.

Lead architecture and evolution of scalable, fault-tolerant backend systems powering real-time AI agents and conversation intelligence. Design data storage and retrieval, partner with ML engineers to operationalize AI, drive production performance, cost efficiency, observability, and mentor senior engineers while owning production reliability.

The role involves testing embedded systems software and desktop applications, defining testing strategies, developing protocols, and ensuring quality adherence in regulated environments.

Design and implement high-throughput database integrations and replication into ClickHouse. Improve system reliability, debug production issues using observability tools, write documentation, participate in on-call rotation, and collaborate with customers and cross-functional teams to drive product improvements.

The Software Development Engineer in Test (SDET) ensures quality through automated testing for core platforms in the Utilities & Energy sector, collaborating closely with software engineers to embed quality practices, enhance CI/CD processes, and expand automated test coverage.

Develop AI-powered features, design APIs, integrate AI/ML models, and enhance developer experience for ClickHouse's platform.

The Senior Software Engineer will enhance ClickHouse's cloud platform with Postgres capabilities, managing database clusters and contributing to operational tooling. Responsibilities include backend service design, API development, and collaborating with teams for performance and reliability.

Design and build high-performing web applications on a next-generation platform. Collaborate with product, UX, and engineering teams to implement microservices and microfrontends, troubleshoot complex issues, drive CI/CD and quality practices, mentor teammates, and champion clean code, usability, and performance.

Lead transaction reconciliation efforts, develop scalable ledger infrastructure, implement payment flows, and own backend platform projects end-to-end.

Design, build, and optimize high-performance AI infrastructure systems to support intelligent agents, ensuring reliability and scalability for millions of users.

As a Senior Backend Engineer, you'll design scalable backend systems, build foundational architecture, and manage complex projects within a voice AI-driven platform.

As a Senior Full-Stack Engineer at Retell AI, you'll develop scalable systems and intuitive interfaces, bridging backend integrations with frontend experiences, focusing on voice automation solutions.

The Staff Software Engineer will design and implement core platform development, improve system foundations, and lead technical initiatives to enhance AI automation deployment across organizations.

Design, develop, and optimize data infrastructure, focusing on GCP, ETL/ELT workflows, and data governance, while collaborating with cross-functional teams.

The Senior Software Engineer will lead application development projects, enhance user-facing applications, and implement best software practices while collaborating on product direction.

As a Senior Software Developer, collaborate with teams to build scalable systems that improve healthcare outcomes, maintaining quality and fast iteration in development practices.

Lead design and implementation of scalable APIs and agent communication layers for an AI-agent driven advertising marketplace. Build high-throughput backend systems, integrate agent frameworks and adtech partners, drive architecture for authentication and protocols, mentor engineers, and prototype agent communication patterns while collaborating with product and design.

Build high-performance, scalable simulation infrastructure and tooling for autonomous vehicle development. Design systems for scenario generation, simulation execution, synthetic data, and reinforcement-learning workflows. Collaborate with ML, perception, and controls teams to improve realism, performance, and validation pipelines while writing production-quality C++ and Python code, contributing to architecture, testing, and documentation.

The role involves developing and testing software stacks for networking devices, including embedded firmware and device drivers, for automotive applications.

Lead the Jane Developer Platform team, enhancing extensibility and integrations while fostering AI adoption and strong product focus.

The Senior Software Engineer II will work on building highly available, secure, and scalable compute layers for Kora, a managed data streaming service, while addressing complex distributed systems challenges.

Build and ship full‑stack, behavior-driven growth experiments and user experiences to increase activation, retention, and expansion. Implement end-to-end A/B tests and feature flags, instrument analytics, analyze results, and collaborate with Product, Design, Marketing, and PLG. May participate in on-call rotation to support production services.

Design and maintain real-time vehicle-tracking, map-matching, ETA prediction, and disruption-detection systems. Build and scale real-time data pipelines, cloud backend services, and APIs. Develop infrastructure for algorithm validation and shadow testing, collaborate across product and design to prototype and deliver end-to-end features, and apply modern engineering practices through code reviews, pairing, and documentation to ensure reliable production systems.