Top Software Engineer Jobs in Ottawa

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.

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.

Build and evolve core AI platform capabilities: design shared execution patterns, APIs, and backend services to support multi-step GenAI workflows, model integrations, and scalable production systems. Collaborate with AI engineers, data scientists, and product partners to turn emerging AI use cases into reliable, extensible platform features.

The role involves designing and expanding the platform's backend to enhance merchant lifecycle orchestration, executing technical strategy, and improving engineering standards.

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

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.

As a Software Engineer, you will design and build backend services and integrations for financial operations, focusing on scalable technology solutions and AI enablement, while collaborating with cross-functional teams to ensure compliance and data integrity.

Build and maintain an ML feature platform: feature creation, exploration, serving, data storage and availability, and offline backfilling. Design, develop, and launch backend systems, optimize platform performance, and support MLEs, analysts, and decisioning teams with reliable, scalable infrastructure.

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

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.

Seeking a Software Engineer/Senior Software Engineer to design, develop, and deliver quality backend services and APIs using Go, with emphasis on Kubernetes and cloud services.

Join Ericsson's L1 Software Development team to design, implement, and test high-performance Physical Layer baseband features for 5G RAN on multi-core ASIC and cloud/COTS platforms. Develop embedded, real-time software in C/C++, integrate and automate tests, optimize for containerized/cloud environments, participate in code reviews, and apply wireless protocol knowledge (NR/LTE/WCDMA) while working in agile, international teams.

The Senior Infrastructure Software Engineer will build and manage a scalable, in-house search platform, ensuring seamless user experiences and expanding capabilities for a global user base.

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.

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.

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.

The Senior Infrastructure Software Engineer will re-architect Identity systems, focusing on large-scale distributed systems design, API design, and collaborate with teams to implement wide-ranging use cases while mentoring junior engineers.

The Software Engineer II will ship features to enhance Affirm's marketplace, supporting product development and collaborating with design and analytics teams while ensuring operational stability.

As a Software Engineer II, you'll implement critical features, collaborate with teams, maintain full stack systems, and ensure high-quality code in a dynamic environment.

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

Build and operate ML training and serving infrastructure. Design, develop, and launch backend systems, collaborate across teams, support operations and on-call, write well-tested extensible code, and participate in team growth and hiring activities.

Lead cross-pod technical direction and system design for high-scale backend services, embed AI-native development practices, collaborate with product and design, mentor engineers, and drive ambiguous initiatives from design through production.

The Engineering Manager for Developer Productivity will lead a remote team to enhance developer productivity, focusing on AI integration, tooling evaluation, and team development while collaborating with cross-functional partners.

Evaluate business and software requirements, design technical solutions, develop and test code, deploy and maintain applications, implement CI/CD automation, troubleshoot and debug issues, produce documentation, and communicate technical concepts to users. Work collaboratively to improve system efficiency and ensure data integrity and security.

Develop and maintain security/networking software in C/C++ on Unix/Linux throughout the full development lifecycle. Work on TCP/IP and multithreaded applications, debug with Linux tools, collaborate with global engineering and product teams, and apply strong problem-solving and communication skills.