Top Software Engineer Jobs in Ottawa

Design, build, and productionize LLM-powered systems (adaptive content, tutors, evaluators) and AI pipelines (RAG, embeddings, fine-tuning). Prototype and optimize models across modalities, define AI safety/evaluation/observability practices, and collaborate with product and engineering to measure learner outcomes and iterate.

Build and ship end-to-end features for Dover's marketplace and ATS. Propose product ideas, implement designs, launch, iterate in production, and collaborate closely with a small engineering team to move quickly and maintain high quality.

Join as the founding full-stack engineer to extend a TypeScript React/Next.js prototype, design product features, integrate AI/OCR, write tests and infrastructure, talk to users, and iterate quickly to drive growth.

Build tools and infrastructure for training language and multi-agent models in interactive environments; research and implement advances in language modeling and reinforcement learning; contribute to publications and open-source projects.

The Software Engineer in Platform Operations will design and implement core Infrastructure-as-Code solutions, manage cloud infrastructure services, and collaborate with software teams to enhance developer experience.

As a Full Stack Software Engineer at Doxel, you will design and develop full-stack applications, collaborating cross-functionally to optimize user experiences and facilitate data processing for construction projects.

Design and build secure, scalable systems as a Full-Stack Software Engineer, leveraging expertise in Next.js, TypeScript, PostgreSQL, and AI tools to enhance cybersecurity within global infrastructure.

Build full-stack features for AI voice and chat products that scale to millions of conversations. Integrate ASR/TTS and conversational models, optimize production systems for latency and cost, participate in on-call rotations, and collaborate with product and ML teams to improve performance and user experience.

Build full-stack features for enterprise-scale voice and chat AI: integrate ASR/TTS and conversational LLMs, optimize production systems for latency and cost, participate in on-call rotations, and collaborate with product and ML teams to ship high-impact, scalable solutions.

Develop and maintain backend services and data pipelines to support AI/ML and GenAI workflows. Build and consume secure, scalable APIs, work with microservices on Kubernetes, collaborate on design and code review, and grow applied ML skills under senior mentorship.

Build and maintain full-stack features for customer and internal web apps, design backend APIs for onboarding and transactions, integrate third-party services, implement OAuth2 authentication, operate in a microservices AWS environment, ensure security, performance, observability, participate in code reviews and architecture, and write technical documentation.

Design, build, and maintain subscription management features and integrations across front-end and back-end systems. Implement RESTful APIs, webhook handlers, and entitlement management; debug subscription issues across platforms; write unit tests; collaborate on architecture and participate in on-call rotation.

Senior hands-on full-stack engineer who leads architecture, drives cross-team technical roadmaps, implements scalable Django/React systems, improves CI/CD and testing practices, mentors engineers, and partners with product, clinical, and executive stakeholders to translate business needs into durable technical solutions.

Lead frontend technical strategy and deliver high-impact web, iOS, and Android features using React and TypeScript. Drive cross-team initiatives, modernize web code and design systems, build tooling (codemods, AI agent skills), ensure operational reliability (monitoring, on-call, playbooks), and mentor engineers while collaborating with product, design, and analytics.

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.

Design, build, and maintain scalable, fault-tolerant backend services and data pipelines for an AI-driven cybersecurity platform. Implement secure APIs, optimize performance across distributed systems, establish backend best practices and CI/CD, write well-tested Python code, and mentor junior engineers.

The role involves building platforms and core systems for identity services at Keycard, focusing on developing distributed systems and CI/CD automation while creating a best-in-class developer experience.

Design and build operational data systems, including pipelines, storage layers, and APIs for near real-time enforcement and insights, balancing streaming and batch paradigms.

Design and build core identity, authentication, and authorization systems for Keycard, focusing on security and multi-tenancy across dynamic, distributed environments.

The Software Engineer will design and build systems for sharded PostgreSQL, collaborate with a team to solve distributed systems challenges, and directly engage with customers to create technical solutions.

As a Software Engineer on the Insights team, you'll develop observability products and enhance database performance monitoring for clients using Vitess, MySQL, and PostgreSQL.

Join Megaport as a Senior Frontend Software Engineer to develop high-quality web applications, improve systems, and enhance user experiences for both customers and internal users. Collaborate with teams to build responsive and scalable solutions utilizing modern frontend technologies and practices.

As a Senior Full-Stack Software Engineer, you will design, build, and ship AI-powered systems to optimize workflows in the single family rental market, focusing on backend services and full-stack development in a fast-paced environment.

Build and ship end-to-end features and agentic automations for North, Cohere's AI workspace for finance. Integrate financial data sources, enforce data isolation and RBAC, collaborate with Product/UX/ML/Sales, work with finance customers, ensure reliability/security/auditability, and iterate on platform capabilities using AI where appropriate.

Build and maintain North's Agents & Automations platform: design and ship frontend and backend features, execution engine, integrations, debugging, observability, evaluation, and feedback systems to enable reliable AI-powered workflows.