Top Software Engineer Jobs in Ottawa

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.

Software Developer Intern supporting Entrust’s Ottawa R&D Discovery team. Responsibilities include developing features in Go and other languages, integrating plugins and APIs, writing automation, contributing to CI/CD, and deploying tested software to Docker, Kubernetes, and cloud environments. The intern will collaborate in an Agile Scrum team, learn secure software development practices, and use AI tools to accelerate development.

Build and iterate full-stack systems powering AI agents, from user-facing experiences through orchestration and deployment. Research agent orchestration, prompting, and model alignment approaches; collaborate with Product, Design, and Engineering to improve usability; document findings, share technical learnings, and participate in reviews and technical discussions.

Build and iterate on full-stack systems powering autonomous AI agents, from user-facing experiences through orchestration and deployment. Research agent orchestration, prompting, and model alignment approaches; collaborate with Product, Design, and Engineering to improve usability for nontechnical users; document findings, share knowledge, and participate in reviews and technical discussions.

Own full-stack product features from technical scoping through deployment and post-launch iteration. Design schemas, APIs, and business logic; build user-facing applications across frontend, backend, and databases; collaborate with ML researchers, product, design, and engineering; incorporate user feedback; and improve development, testing, and deployment practices.

Build and scale secure automated patching infrastructure for open-source vulnerabilities. Develop Rust and Unix-based CLI tools, package-manager integrations, APIs, testing tools, and developer-facing remediation workflows. Debug ecosystem-specific issues, contribute to JavaScript, React, and TypeScript frontends, and collaborate with security researchers to deliver certified packages and high-quality patches at scale.

Build and operate highly reliable card-issuing software and tooling across authorization, clearing, settlement, certification, and network integrations. Serve as a technical expert on card-network specifications, protocols, mandates, and production behavior. Lead complex cross-team engineering work, debug protocol-level issues, influence network requirements, mentor engineers, improve platform reliability, and participate in on-call support for critical financial systems.

Staff Software Engineer responsible for building and operating Block’s card issuing platform at the network boundary. The role requires deep expertise in card networks, ISO 8583, authorization and clearing flows, certifications, mandates, and direct network connectivity. Responsibilities include writing production code, developing conformance tooling, debugging protocols, leading cross-team technical initiatives, influencing network requirements, mentoring engineers, supporting AI-assisted development, and participating in on-call operations for critical financial systems.

Own and deliver high-availability authentication, verification, and fraud experiences across web, backend, and mobile interfaces. Lead quarterly goals, technical planning, system delivery, code quality, operational availability, and on-call support. Collaborate with product, design, and analytics stakeholders, resolve complex technical and business issues, mentor engineers, and promote engineering standards. The role requires expertise in React or Vue, JavaScript or TypeScript, large codebases, scalable architecture, and effective communication.

Develop and ship autonomy software for outdoor, production robots across perception, localization, state estimation, motion planning, and controls. Build fleet coordination, simulation and CI, logging/telemetry pipelines, and operator tools. Validate on real hardware, support field deployments, and ensure software degrades gracefully at remote sites.

Build and own automation-first quality engineering across Flutter web and desktop applications and FastAPI/gRPC backend services. Responsibilities include developing unit, integration, contract, API, visual regression, and resilience tests; implementing AI-assisted test generation and exploratory workflows; establishing observability, reliability metrics, test data strategies, defect triage, and CI/CD processes; and partnering cross-functionally to improve release quality.

Designs and develops healthcare interoperability and patient information systems using InterSystems IRIS and HealthShare. Builds HL7 and FHIR integrations, data exchange pipelines, ObjectScript applications, APIs, web interfaces, and optimized database solutions. Works directly with customers and clinical stakeholders to gather requirements, define technical specifications, conduct demonstrations and testing, and deliver compliant systems using secure protocols and controls.

Develop and optimize InterSystems IRIS and HealthShare healthcare integration solutions, PIMS platforms, patient workflows, and enterprise data exchange products. Gather customer requirements, design technical architectures, implement HL7 and FHIR integrations, build APIs and web interfaces, optimize databases and high-volume processing, and configure security and compliance controls. Support demos, testing, onboarding, and technical delivery while collaborating with customers, clinical teams, vendors, and stakeholders.

Develop and maintain full-stack features for a secure, cloud-based medical image-sharing platform. Responsibilities include JavaScript and React front-end development, Perl service APIs, PostgreSQL query and schema work, debugging across APIs, databases, storage, and DICOM/HL7 interfaces, testing, code reviews, documentation, and support for AWS, Kubernetes, Docker, and CI/CD operations.

Design, develop, test, and maintain scalable distributed software and data movement services for Microsoft Fabric. Investigate issues using debugging, telemetry, logs, and monitoring; participate in root cause analysis, code reviews, design documentation, automated testing, and CI/CD. Collaborate with engineers, architects, product managers, designers, and partners to deliver secure, reliable, performant features and improve customer experiences.

Develop kernel-centric reliability solutions for AI compute clusters and production services. Responsibilities include debugging failures, building diagnostic tools, supporting incident response, performing root-cause analysis, improving kernel and software reliability, and collaborating with systems, hardware, ASIC, and architecture teams on reliability-focused designs.

Design, develop, launch, and maintain scalable backend systems and APIs used by partners and merchants. Collaborate with engineering teams and stakeholders, balance delivery speed with system quality and reliability, navigate large codebases, debug software, conduct code reviews, and write clear, tested, extensible code using distributed-systems technologies.

Senior Full Stack Software Engineer responsible for building and owning scalable cybersecurity product experiences across front-end and back-end systems. The role uses TypeScript, Golang, React, Node.js, Kubernetes, cloud platforms, databases, APIs, and CI/CD pipelines. Responsibilities include architecture, performance optimization, security, mentoring engineers, leading projects, Agile planning, and adopting AI-assisted development tools.

Designs, develops, deploys, tests, and reviews software applications, features, and defect fixes. Collaborates with team leaders and users to support a product roadmap, analyze requirements, document software, provide developer-level support, and learn existing codebases. The role also involves participating in planning meetings, conferences, and occasional team travel.

Lead international integration engineering by architecting scalable distributed systems and an AI-powered development harness for partner integrations. Guide technical strategy, mentor engineers, review architecture and code, establish development and deployment best practices, and deliver production solutions. Collaborate with product, design, QA, UX, and partner engineering teams while using Java, Kotlin, event-driven messaging, and cloud technologies.

Modernize and maintain hybrid CI/CD infrastructure across on-premise and cloud environments. Migrate Jenkins and Bitbucket workflows to GitHub Actions, manage Terraform infrastructure, improve artifact processes, administer software lifecycle tools, coordinate application releases, support development teams, automate governance, and ensure audit compliance.

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

Develop and maintain embedded software for autonomous precision aerial delivery and recovery systems. Responsibilities include writing C/C++ code, unit testing, guidance, navigation and control algorithm development, simulation, physical testing, debugging, fault-tolerant design, requirements documentation, safety-critical verification, and cross-functional collaboration. The role also mentors junior engineers and drives continuous improvements to embedded systems and development processes.

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.

Lead the technical direction, architecture, development, and release of complex Android applications supporting public safety, robotics, and connected hardware. Mentor Android engineers, ensure application quality and performance, integrate backend services, maintain offline-first capabilities, oversee CI/CD and release processes, and document engineering standards. The role also requires collaboration with technical and non-technical stakeholders and obtaining a Government of Canada Reliability security clearance.