Top Software Engineer Jobs in Ottawa

Design and develop full-stack fintech solutions, build APIs and front-end experiences, work in AI-native workflows, contribute to DevOps/CI-CD and collaborate across product, data, and infrastructure teams.

Design and build scalable .NET/.NET Core applications and integration tools (WPF desktop focus). Apply TDD/BDD and test automation, create reusable libraries, consume/produce varied data feeds, collaborate on cross-functional agile teams, and incorporate AI tools to improve engineering and developer experience.

Contribute to building and operating the Secure Compute platform: implement features, integrate with Apache Kafka and core systems, work with Kubernetes/containers/serverless APIs, and collaborate on large-scale cloud distributed systems.

Design and maintain public blockchain infrastructure: author Solidity smart contracts (ERC-20/721), build finality-aware, event-driven services, integrate HSM-backed mint/burn flows, ensure reconciliation and scalability, and mentor junior engineers.

Develop and maintain full-stack web applications and APIs using TypeScript/Node.js and React/Next.js; optimize performance, collect data, fix bugs, and collaborate with stakeholders.

Contribute across the full SDLC on merchant- and partner-facing web portals using PHP, C#, and modern JavaScript frameworks. Build front- and back-end features, write tests, optimize MySQL queries, participate in design and code reviews, and collaborate with product, QA, and SRE to deliver secure, reliable portal experiences.

As a Sr. Software Engineer at Zapier, you'll build and scale robust backend systems for their automation platform, collaborating on various impactful projects, improving user workflows, and ensuring smooth execution of automations.

The role involves leading engineering efforts in backend and full-stack development, working with enterprise customers, and building scalable systems for automation and asset management, while applying AI tool advancements.

Design, develop, and maintain desktop applications; optimize APIs, database access; mentor, diagnose performance issues, and ensure software quality.

As a Software Engineer II, you'll develop core accounting functionality, collaborate on projects, enhance APIs, and support production systems while ensuring code quality and reliability.

Develop network automation software for TeraWave satellite communication systems, focusing on embedded software, network protocols, and real-time processing.

The Payload Software Engineer develops network automation software for TeraWave's satellite communications network, focusing on payload systems and real-time data processing algorithms.

Develop network automation software for TeraWave satellite communications, including designing flight software and implementing autonomous network routing.

As a Software Engineer, you'll design and implement a high-performance computational geometry library, develop geometric algorithms, optimize performance, establish testing frameworks, and enhance collaboration across teams.

Build identity verification and fraud-detection systems that analyze candidate data and metadata, develop correlation engines and high-availability ingestion pipelines, ship real-time automated guardrails, prototype and scale detection solutions, and collaborate across security, platform, and data teams.

Build and maintain the Internal Engineering Platform to automate CI/CD, releases, and deployments. Collaborate with internal teams to implement secure, observable, and reliable developer workflows, operate platform services (on-call), and design productivity tooling and automation.

Design, develop, and deploy scalable APIs and features for a SaaS Field Service Management product. Optimize data persistence using Doctrine ORM and MySQL, refactor Symfony-based systems, reduce technical debt, mentor engineers, enforce coding standards through reviews, and produce API docs and design artifacts to drive architectural decisions.

Design and implement data ingestion pipelines, develop reusable components, support observability, and partner with data consumers to enhance data integration.

As a Software Engineer 2 - Data Acquisition, you'll design and build data ingestion pipelines, ensuring quality and performance across multiple data domains while participating in code reviews and collaborating with data consumers.

The Software Developer will design, develop, and maintain cloud-native applications on AWS, collaborating with teams to deliver responsive, secure, and scalable solutions while implementing CI/CD practices.

Lead the development of developer-focused platforms, architect scalable systems, mentor engineers, and drive AI integration to enhance engineering productivity.

As a Senior Software Engineer on the Data Integrations and Transformations Platform, you'll design and maintain backend services, mentor engineers, and enhance data access for business-critical applications.

The Software Engineer III will design and implement software solutions, lead technical initiatives, mentor junior engineers, and ensure high-quality code and architecture while collaborating closely with cross-functional teams.

The Senior Payload Software Engineer will lead the design and development of software for TeraWave satellite communications, focusing on network automation and communication protocols while mentoring junior engineers.

Lead technical vision and execution for enterprise AI, data, and automation initiatives. Architect and deliver scalable AI systems, data pipelines, and intelligent services; mentor engineers; drive cross-functional alignment, risk mitigation, and operational excellence; prototype solutions and influence org-wide strategy to maximize business impact.