Top Software Engineer Jobs in Ottawa

As a Staff Software Engineer, you'll lead a team in developing and delivering scalable software solutions for employee management in the restaurant industry, focusing on enhancing customer and employee experiences.

Lead design and delivery of cost-visibility and optimization tooling across cloud and AI infrastructure. Set technical strategy, build automation and monitoring, collaborate cross-functionally, ensure operational readiness, and mentor engineers to scale FinOps capabilities and self-service cost systems.

Develop and optimize QNX kernel and core operating system technologies, including memory management, process management, system services, scheduling, concurrency, and performance. Provide technical leadership, design system specifications, implement reliable C code, create automated unit tests, troubleshoot hardware and software issues, and improve system security, safety, scalability, and performance. Collaborate on architecture, code reviews, planning, and embedded real-time systems development.

Lead the technical design and delivery of banking features at Cash App, collaborating across teams, driving architecture improvements, and mentoring engineers.

Lead full-stack engineering for card acquisition and onboarding across mobile, web, and backend. Define technical strategy, deliver quarterly goals, mentor engineers, ensure operational reliability (monitoring, on-call, CI/CD), collaborate with product/design/analytics, and drive quality, experimentation, and scalable backend systems.

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.

The Staff Software Engineer will develop and execute technical strategies for Cash App Banking, lead architectural decisions, and mentor engineers, focusing on innovative financial solutions.

Develop experimental AI techniques for agentic marketing applications, especially image and video generation. Build proofs of concept, autonomous evaluation and improvement systems, realistic AI-generated video, and brand-aligned creative generation workflows. The role requires strong quantitative and probabilistic thinking, backend architecture skills, creativity with LLM applications, and product intuition.

Develop and modernize a mission-critical telecommunications call-handling platform. Responsibilities include migrating C++ subsystems from 32-bit to 64-bit, upgrading CentOS 7 systems to RHEL 9, supporting Java configurators, updating CI/CD and DevOps tooling, testing releases, and remediating security issues. The contractor will work independently within an established engineering team through Q1 2027.

Develops, tests, documents, deploys, and enhances software applications based on business and functional requirements. The role analyzes user needs, designs software solutions, translates specifications into code, troubleshoots programming issues, supports application upgrades, and participates in agile development and software deployment projects under supervision.

Build and scale distributed backend services for growth infrastructure (notifications, referrals, targeting, lifecycle communications, ML ranking). Design resilient service-oriented systems on cloud, ship well-tested production code, run growth experiments/A-B tests, improve developer tooling and shared platform capabilities, and collaborate cross-functionally to deliver measurable acquisition and retention impact.

Lead frontend engineering for Affirm’s consumer web experiences using React and TypeScript. Own quarterly team goals, deliver major product features, modernize web architecture and design systems, and develop tools such as codemods and AI agent skills. Collaborate with product, design, analytics, and engineering teams; establish quality standards; monitor availability and metrics; support on-call operations; resolve technical issues; and mentor engineers.

Own and develop Arena’s public web surfaces, including the blog, marketing pages, and leaderboard UI. Build with Next.js, React, TypeScript, Sanity CMS, and the company design system. Improve performance, accessibility, SEO, structured data, internationalization, and data visualization. Create CMS models and publishing tools that enable marketing teams to ship independently while collaborating closely with designers, marketers, and engineers.

Own Aleph’s shared AI foundation, including model selection and routing, proxy infrastructure, context management, tool design, and evaluation systems. Ship production agentic features using prompt engineering, caching, parallel tool calls, and subagents. Build observability for agent performance, collaborate with customers and finance experts to define quality standards, and drive adoption of reliable AI systems across product teams.

Own major product surfaces across Aleph’s FP&A platform, leading features from customer discovery through launch and iteration. Build performant spreadsheet-grade interfaces over large financial datasets, design robust data models and APIs, develop AI-native features involving orchestration, tool calls, and retrieval, and improve engineering standards through high-quality code and reviews. The role requires strong full-stack fundamentals, customer engagement, technical leadership, pragmatism, and experience building complex B2B products.

Develop and optimize automated tests for QNX Power Management technologies. Responsibilities include creating test frameworks and cases, executing test suites on embedded hardware, debugging failures, performing root-cause analysis, documenting defects, verifying fixes, maintaining test labs, preparing test plans and reports, and collaborating with software developers and test engineers to support reliable software releases.

Build frontend-focused full-stack features for ZoomInfo’s Conversation Intelligence platform. Responsibilities include developing responsive UI components, data visualizations, charting experiences, and AI-powered interfaces; collaborating with designers and product managers; contributing to REST APIs and backend services; and providing technical leadership on frontend architecture, performance, testing, documentation, and code quality.

Build and operate mission-control software and distributed microservices supporting satellite scheduling, tasking, telemetry processing, and fleet operations. Responsibilities include designing HTTP APIs, selecting technologies, deploying critical infrastructure, maintaining automation, and collaborating with satellite operations, ground systems, pipeline, and product teams. The role requires Python, relational databases, testing, CI/CD, Docker, GitLab CI, Linux, and strong communication skills, with cloud, infrastructure-as-code, monitoring, microservices, and aerospace experience preferred.

Develop embedded board support packages and secure bootloaders for Ford’s next-generation vehicle infotainment, connectivity, and hardware modules. Responsibilities include implementing BSP and secure boot features, creating design documentation, participating in reviews, supporting verification and validation, troubleshooting across teams and vendors, and developing Linux kernel drivers. The role requires strong C, ARM SoC, BSP, bootloader, and Linux driver experience, with automotive networking and hardware security experience preferred.

Lead design and delivery of full-stack, AI-driven products and platform capabilities. Own technical strategy, ship end-to-end features, build scalable data and API systems, mentor engineers, and partner with product and customer teams to turn ambiguous real-world problems into measurable outcomes.

Build and own technically complex, mission-critical full-stack systems and AI-powered products. Define technical strategy, design and ship end-to-end features across backend, frontend, and mobile, and scale data ingestion and APIs. Lead cross-team projects, mentor engineers, drive technical standards, and partner with product, design, and customer teams to deliver measurable impact.

Design, develop, test, and support embedded firmware for Intel, Power, and ARM platforms. Analyze requirements, read IC datasheets and schematics, perform architecture/design/code reviews, evaluate new technologies, debug software/hardware, and collaborate with multidisciplinary teams to bring up boards and improve processes.

Build software for renewable energy campuses, including high-fidelity simulations, geospatial data pipelines, automated site and electrical design, and energy management systems. Develop real-time controls, SCADA and telemetry integrations, testing infrastructure, and safety systems for islanded solar and storage facilities. Collaborate with power, civil, and external engineering experts to convert domain knowledge into reliable software and accelerate utility-scale site design and deployment.

Develop and ship high-quality software for the Graykey platform, including new features, bug fixes, and technical debt remediation. Collaborate with Design and QA teams to improve user experiences and automated UI testing. The role requires Python development, Git proficiency, Linux familiarity, strong technical problem-solving, collaboration, and continuous learning. Candidates must reside in Canada.

Lead backend architecture for an internal reporting and business intelligence platform. Own technical roadmaps, make cross-service architectural decisions, establish engineering standards, review designs and code, solve complex technical problems, coordinate dependencies, manage technical debt, partner across teams, mentor engineers, and contribute hands-on code for high-risk work.