Top Software Engineer Jobs in Ottawa

Lead the technical vision and architecture of Coinbase’s FinHub financial infrastructure, including ledger, account balances, money movement, settlements, transfers, and transaction history. Drive distributed-system rearchitecture with double-entry accounting, idempotency, reconciliation, auditability, and resilient failure recovery. Lead cross-team initiatives, migrations, and technical strategy while partnering with product, finance, risk, compliance, and operations stakeholders. Mentor senior engineers and promote operational excellence and maintainability.

Own the architecture and technical strategy for Square’s go-to-market systems. Build and operate production AI agents, automated workflows, and integrations that improve sales productivity. Lead complex initiatives through architecture, implementation, testing, deployment, and operations while establishing AI evaluation, observability, security, reliability, and human-oversight practices. Partner with Sales, Product, Data, and Engineering leaders to translate business needs into scalable solutions, make build-versus-buy decisions, mentor engineers, and improve business impact through data and user feedback.

Develop and maintain Cisco Nexus Dashboard’s Kubernetes-based infrastructure, including cluster lifecycle management, microservices, backup and restore, observability, authentication and authorization, certificate management, and performance optimization. Build AI-assisted solutions and workflows, support distributed data systems such as PostgreSQL, OpenSearch, and Kafka, and create robust software test plans. Collaborate with cross-functional teams to deliver scalable, secure, and reliable data center platform services.

Develop and maintain Cisco Nexus Dashboard’s Kubernetes-based infrastructure platform. Responsibilities include core platform engineering, multi-node cluster deployment and upgrades, backup and restore services, anomaly detection, audit logging, centralized authentication and authorization, certificate lifecycle management, and scalability optimization. The role also involves developing microservices, prototyping AI solutions and workflows, and creating comprehensive software test plans.

Design and develop scalable, secure frontend web applications for connected embedded systems. Lead frontend architecture, collaborate with backend/embedded teams, implement device provisioning, telemetry visualization, and remote management UIs. Optimize performance, accessibility, and maintainability; mentor engineers, participate in reviews, and drive frontend best practices.

Own the architecture and technical strategy for Square’s go-to-market technology stack. Build and operate production AI agents, automated workflows, and integrations that improve sales productivity. Lead complex technical initiatives, establish AI reliability and security guardrails, define evaluation metrics, and guide build-versus-buy decisions. Partner with Sales, Product, Data, and Engineering leaders while mentoring engineers and remaining hands-on across design, implementation, testing, deployment, and operations.

Develop high-performance C/C++ SDK software for Nokia’s coherent DSP ASICs and optical networking products on Linux. Collaborate with ASIC, firmware, hardware, and architecture teams across pre-silicon development and post-silicon validation. Build APIs, frameworks, and automation solutions while addressing hardware-software integration, performance, testing, debugging, and system quality challenges.

Deploy and integrate Arondite’s software with defence customers across Canada and internationally. Responsibilities include writing secure, robust code; interfacing with autonomous and robotic systems; integrating unfamiliar platforms and data sources; testing in field environments; gathering user feedback; refining implementations; and sharing field insights with engineering teams. The role requires customer-facing communication, autonomy, adaptability, and frequent on-site work, with Ottawa as the intended base.

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 ship full-stack features for a real-time collaborative content platform, spanning backend services, APIs, and frontend systems. Contribute to architecture and technical design, write tested and maintainable code, collaborate with product and design, integrate AI tools and capabilities, participate in code reviews, and help shape an early-stage product.

Build and deploy AI agents that automate internal business processes. Responsibilities include authoring reusable agent skills, integrating systems through MCP, creating evaluation sets, deploying production workflows with permissions and audit trails, and partnering with data engineers. The role requires translating business processes into reliable agent workflows, supporting deployed agents, and maintaining operational quality using Python, SQL, Git, CI, and containers.

Leads and develops a software engineering team responsible for medical imaging solutions. Oversees technical execution, architecture, code quality, testing, delivery, regulatory compliance, production reliability, and incident response. Partners with Product Management, QA, Support, and R&D teams to deliver healthcare software capabilities. Coaches engineers, improves development practices, establishes AI-assisted development guardrails, and contributes to technical strategy and innovation.

Design and develop scalable, high-performance data and API infrastructure for real-time processing. Mentor engineers and collaborate with teams to enhance AI model evaluations.

The role involves designing and building data pipelines for analyzing user feedback on AI models, ensuring data quality and infrastructure scalability.

Develop and optimize multithreaded, multicore embedded C/C++ applications in Linux environments. Troubleshoot software and system-level issues, support customer-reported problems, identify root causes, and communicate resolutions. Collaborate cross-functionally to design and validate solutions, interpret hardware schematics, and contribute to Python-based automation and tooling.

Design and build scalable APIs, cloud-native services, and applications supporting millions of users. Own service reliability, performance, testing, production incident response, and continuous improvement. Collaborate with product and architecture teams, participate in design and code reviews, contribute to technical decisions, and mentor engineers while delivering high-quality software in a fast-paced environment.

Develop and maintain high-availability next-generation 911 call-handling software deployed in cloud and on-premises environments. Responsibilities include Java application development, web development, REST API and microservices implementation, software and hardware integration, testing, documentation, observability, and troubleshooting. The role works within Agile Scrum teams and uses modern DevOps, CI/CD, and source-control practices to deliver reliable emergency communications solutions.

Build scalable, high-performance front-end solutions for 3D interior-decor experiences using computer vision. Collaborate with product, design, stakeholders, and engineering teams to deliver customer-focused features. Own systems through development, deployment, operation, and continuous improvement while supporting partners and maintaining high quality. The role offers mentorship and growth in a remote-first environment.

Designs, develops, tests, and maintains robotics middleware and application frameworks in modern C++ on embedded Linux. Owns platform components through deployment and fleet operation, improves reliability and performance, diagnoses complex concurrency and systems issues, and translates safety requirements into software behavior and verification. Collaborates across autonomy, systems, hardware, and software teams while leading technical reviews and mentoring engineers.

Own the strategy and development of AlphaSense’s Excel plugin, integrating AI-driven market intelligence into Microsoft Excel. Build performant, resilient, cross-platform applications with enterprise deployment, authentication, synchronization, and state management. Establish Office integration best practices, optimize complex integrations, and mentor engineers developing desktop experiences for financial professionals.

Lead the technical direction of Android mobile application development, mentor engineers, and design scalable, reliable, high-performance applications. Integrate REST and WebRTC services, support offline-first functionality and diverse hardware configurations, and oversee CI/CD and release processes. The role also involves robotics integrations for public safety devices such as drones and body-worn cameras, cross-functional collaboration, platform updates, and comprehensive technical documentation.

Build and deploy LLM-powered features for clinical, patient, and operational workflows. Responsibilities include prompt design, retrieval, tool use, agent orchestration, evaluation harnesses, feedback loops, production operations, and AI engineering tooling. Partner with clinical, product, and safety stakeholders to ensure responsible healthcare-grade AI. Mentor teammates, communicate model behavior clearly, and stay current with emerging AI research and development practices.

Lead backend development: design, build, and maintain .NET backend services and RESTful APIs, own backend architecture and API strategy, improve performance and reliability, drive code quality and CI/CD, mentor engineers, collaborate with frontend/product/devops, and share ownership of production health and incident response.

Leads AI engineering strategy across clinical, patient, and operational products. Designs and operates production retrieval, orchestration, agentic, and evaluation systems, establishing standards for AI safety, observability, responsible deployment, and reliability. Partners with clinical, product, and executive leaders on the AI roadmap, mentors engineers, evaluates emerging models and tools, and codes regularly in Python.

Build and scale global payments and treasury systems using resilient, event-driven, microservice-based architecture. Design and implement cloud-native services, client-facing APIs, distributed systems, payment rails, financial ledgers, and reconciliation solutions. Collaborate independently and across teams, troubleshoot complex issues, maintain high-quality tested code, and contribute to technical and product goal definition.