Top Software Engineer Jobs in Ottawa

Design, implement, and integrate C/C++ software for real-time, multi-core base station products. Lead technical design, troubleshoot complex embedded issues, develop automated test coverage, own CI/CD and version control processes, and collaborate across global teams to improve software quality and architecture.

Build and maintain backend systems for money movement and card ledger features. Design, develop, and launch scalable APIs and services (Python or Kotlin) using AWS, MySQL, and Kubernetes. Collaborate with product, design, data science, and cross-functional teams, support operations and on-call, create and monitor metrics, participate in code reviews and hiring, and deliver well-tested, extensible solutions.

The Software Engineer will enhance Lending products for Cash App, focusing on building complex systems, APIs, and collaborating with multiple teams to support economic empowerment through accessible credit.

Design, develop, and maintain cloud-native, high-performance user-plane services for 5G Core. Build and optimize packet processing (DPDK), containerized microservices (Docker/Kubernetes) on public cloud (AWS/Azure/GCP). Own end-to-end service lifecycle, contribute to CI/CD, troubleshoot production networking and cloud infrastructure, and improve system performance and reliability.

As a Staff Fullstack Software Engineer, you'll optimize user monetization systems at Dropbox, leading technical strategies for checkout and subscriptions while mentoring engineers.

Build and maintain scalable, reliable ML data platform systems to support dataset generation, model training, analytics, monitoring, and large-scale inference. Collaborate with ML, software, and infrastructure engineers to design cost-efficient data lake and training infrastructure using vendor and open-source tools to enable next-generation ML models.

Design and implement CIAM backend services for registration, authentication, and account management across B2C and B2B platforms, utilizing security standards and automation practices.

Develop and maintain high-performance 5G L1/L2 baseband software using C/C++. Collaborate with global teams to design, debug, test, and integrate features, follow industry standards, participate in code and design reviews, and prepare systems for 6G readiness.

Design and build a centralized reliability platform for production systems, integrating distributed-systems engineering with AI-assisted tools. Implement AI agents for incident triage, log/trace summarization, and developer-facing APIs. Own projects end-to-end and collaborate with product, infra, data, and SRE teams to iterate and improve system health and debuggability.

Design, build, and operate large-scale distributed storage systems ensuring durability, availability, and performance. Implement replication, erasure coding, and lifecycle management; write high-quality Go and Rust code; participate in on-call rotations; troubleshoot production issues; collaborate across networking, hardware, and capacity teams; own scoped projects and drive infrastructure architecture and reliability improvements.

Looking for a Software Engineer to build financial products and tooling for Cash App's Lending team, ensuring quality and compliance while collaborating across domains.

Develop, launch, and maintain backend systems for card issuing and transaction processing. Break down projects, collaborate with product/design/analytics, write clear well-tested code, support operations and on-call duties, create/monitor metrics, perform code reviews, and participate in hiring and team growth activities.

Build and operate ML training and serving infrastructure: design, develop, and launch backend systems, support availability and on-call, collaborate cross-functionally, and improve developer velocity.

Build and maintain scalable integration and end-to-end test automation frameworks and CI pipelines. Optimize test execution, improve stability and reporting, support engineering teams with triage and best practices, write technical specs/ADRs, participate in on-call rotation, and collaborate across regions to evolve the companys test strategy and developer productivity tooling.

Build end-to-end full-stack AI features on a Ruby on Rails backend and React frontend, design and run experiments (A/B tests and AI evaluations), implement AI infrastructure for reliable LLM inference, and iterate quickly to scale production-ready LLM-powered products.

Develop, verify and validate high-fidelity modelling and simulation scenarios in AFSIM and related engines; program in C++, Python (and C/C#), perform V&V, code reviews, unit testing, CI/CD with GitLab, refactor and integrate simulation components, and provide tactical analysis for defence stakeholders.

Develop next-generation Real-Time OS for embedded devices, focusing on scheduling, resource allocation, isolation, and IPC challenges, while enhancing system performance and reliability.

As a Software Engineer in ML Infrastructure, you will develop scalable data pipelines, enhance data discovery, and collaborate with teams on data organization and ML features.

The role involves designing and implementing C/C++ embedded software for Ethernet networking features, integrating cutting-edge IP into SoCs for diverse markets, and ensuring high-quality software delivery through collaboration and continuous improvement.

Design and optimize high-performance Edge AI software for NXP embedded SoCs, enabling deployment of ML and generative AI models. Implement and integrate AI runtimes, inference engines, and model pipelines, drive system-level performance tuning (latency, memory, power), validate and productionize solutions, and collaborate across silicon, system, and AI teams to deliver end-to-end Edge AI platforms.

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.

You will design, develop, and launch backend systems, APIs, and collaborate with cross-functional teams to support product development and operations.

Design, develop, integrate, and maintain Android-based embedded navigation services and applications for in-vehicle displays. Collaborate with cross-functional teams, implement software in Java/Kotlin/C++, ensure reliable performance on constrained Linux/embedded platforms, debug across layers, participate in code reviews, use GitHub, and work within Agile processes to improve software quality and team productivity.

Join an agile embedded software team to design, implement, test, and optimize features for Ford's Telemetry Control Unit. Investigate and resolve defects, integrate third-party and open-source software, and collaborate across teams to deliver cross-functional embedded system capabilities.

Design, implement, test, and maintain embedded vehicle-cloud connectivity software. Debug complex embedded systems, participate in code and design reviews, develop prototypes/PoCs, and collaborate in an Agile cross-functional team to improve reliability, performance, and architecture.