Top Software Engineer Jobs in Ottawa

Leads software development projects by advising clients, selecting technologies, reviewing code and architecture, mentoring developers, and writing, debugging, optimizing, and testing software. The role improves development processes, supports full software development lifecycle activities, and provides technical leadership across multidisciplinary teams. Strong Angular expertise, openness to Java backend technologies, Agile knowledge, and bilingual French-English communication are required.

Design, implement, and maintain partner integrations and solutions; translate partner requirements into scalable technical implementations; troubleshoot and resolve issues; drive onboarding and steady-state maintenance; collaborate across product, engineering, and partner teams to improve tools and partner experiences.

Build and operate ingestion, reconciliation, and reporting systems that reconcile card-network and partner settlement files against internal transactions. Deliver end-to-end features for traceability, accounting journals, tax and regulatory reporting, and compliance tooling while ensuring reliability, scalability, and data privacy.

Develop and improve Outschool’s full-stack products using an AI-native development approach. Responsibilities include leading engineering initiatives, collaborating with Product, Design, Data, and Engineering teams, making technical tradeoffs, contributing to AI development practices, participating in agile ceremonies, deployments, and on-call rotations. Senior-level engineers may mentor teammates and influence technical direction.

Build and operate Python-based, multi-agent AI backend systems for go-to-market workflows. Design model-agnostic LLM architectures, tool-use patterns, integrations, observability, evaluation infrastructure, and production services deployed on Kubernetes. Own systems end-to-end, including architecture, deployment, reliability, experimentation, debugging, and incident resolution across CRM, enrichment, outreach, and communication platforms.

Design, build, and operate services powering card issuance, transaction authorization, wallet provisioning, 3-D Secure, and disputes. Own features end-to-end within a microservice, event-driven architecture, write well-tested code, participate in reviews, and perform operational ownership including on-call and incident response. Leverage AI developer tools to improve velocity and quality.

Design, build, and operate CIAM backend services for registration, authentication, authorization, and account lifecycle. Implement OAuth/OIDC/SAML/SCIM, develop APIs in Python/Kotlin, integrate identity platforms, automate deployments with IaC and CI/CD, and ensure secure, reliable, high-scale identity operations.

Build the enterprise platform for an AI creative product, including workspaces, permissions, SSO, audit logs, usage-based billing, invoicing, payment integrations, and security foundations. Develop backend services, APIs, and polished React/Next.js administrative interfaces for multi-tenant customers. Collaborate with founders, sales, and customers to define and ship enterprise features while taking increasing ownership of platform surfaces.

Build and operate high-throughput backend services powering AI agent orchestration, connector integrations, and real-time data pipelines. Design core platform services, infrastructure-as-code, CI/CD, and scalable APIs. Collaborate with ML, frontend, and product teams to ship AI-powered features, mentor junior engineers, and maintain high availability for consumer and enterprise customers.

Design, build, test, ship, and operate services powering card issuance, transaction processing, and disputes. Own features end-to-end within a microservice and event-driven architecture, write well-tested code, participate in on-call incident response, and leverage AI tools to improve development velocity and quality while collaborating with cross-functional teams.

Build AI-powered features that automate data-driven slide decks and documents. Develop production LLM solutions using LangChain, RAG, LlamaIndex, and generative AI technologies; improve system performance and reliability; and collaborate with designers and engineers. Responsibilities span AI insights, content generation, integrations, optimization, and potentially LLM agents. The role requires advanced Python, machine learning and NLP expertise, and experience building and fine-tuning LLMs in production.

Own and evolve GitLab’s authorization systems across its Ruby on Rails monolith and next-generation Rust policy engine. Design fine-grained permissions for users, tokens, roles, and AI agents; secure GraphQL and REST APIs; lead feature-flagged rollouts and migrations; improve performance and reliability; and collaborate across authentication, platform, AI, and modular-service teams in a distributed asynchronous environment.

Develop and support scalable Java and Spring Boot backend microservices powering omnichannel inventory availability, order promising, allocation, fulfilment, and post-purchase experiences. Build event-driven processing with Kafka, integrate OMS, WMS, ERP, commerce, and fulfilment platforms, and ensure services are secure, observable, reliable, and performant. Own features from design through production, write tested code, participate in reviews, troubleshoot production issues, and improve operational efficiency.

Designs, automates, and executes functional, integration, API, contract, regression, concurrency, and performance tests for inventory, order promising, sourcing, and fulfillment platforms. Investigates defects, validates fixes, maintains regression coverage, integrates quality tests into CI/CD pipelines, and supports release readiness. The role collaborates with product and engineering teams to validate distributed commerce systems, integrations, business rules, data consistency, scalability, resilience, and consumer-impacting workflows.

Build full-stack features across a Next.js frontend and FastAPI backend, implement responsive React UIs, integrate AI-powered workflows and streaming responses, consume auto-generated OpenAPI clients, write tests and optimize performance, and collaborate on code reviews and product design.

Own automated reliability, regression, correctness, and performance testing for InfluxDB Enterprise 3. Build repeatable test contracts, simulate real-world distributed database workloads, investigate performance variations, identify architectural bottlenecks, and generate reports on latency regressions, data divergence, and resource issues. Collaborate with developers, participate in on-call support, and use Rust, containerization, orchestration, CI/CD, and AI-assisted tools.

Design and maintain scalable backend, full-stack, and AWS data infrastructure supporting millions of daily events and hundreds of integrations. Set technical direction for data pipelines, lead architecture and planning, troubleshoot production issues, collaborate across teams, manage work in Jira, research improvements, and mentor engineers. The role owns initiatives end to end while developing reliable, cost-efficient serverless systems using Node.js, TypeScript, React, and AWS services.

Lead full-stack development across mature React/TypeScript web, React Native mobile, and NestJS API applications. Set architecture and technical direction, own features from design through production monitoring, improve stability, performance, and UX, and mentor engineers. Design REST APIs, troubleshoot across UI, API, and database layers, establish scalable engineering practices, review code, and integrate AI tools into development workflows.

Build Platform developers create reproducible containerized environments, AI-native verification systems, reliable testing infrastructure, developer tooling, backend mocks, asynchronous workflow testing, and service health scorecards. The role supports hundreds of engineers, modernizes libraries and CLIs, improves developer experience, and helps establish trustworthy, scalable software delivery practices.

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.

Build production infrastructure features in Go while embedding security into the product. Own vulnerability triage and remediation through patched releases, threat-model new features, conduct security-sensitive code and design reviews, and improve secure engineering practices. Requires deep Kubernetes knowledge, including API server, admission control, RBAC, controllers, kubelet, and attack surfaces such as container breakout and privilege escalation.

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.

Design and build scalable backend systems, APIs, and cloud-native services supporting millions of users. Collaborate with product and architecture teams, maintain comprehensive automated tests, optimize distributed-system performance, respond to production incidents, and own service reliability. Participate in technical reviews, make architectural decisions, mentor engineers, and contribute to continuous improvement in a fast-paced environment.

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.