Top Software Engineer Jobs in Ottawa

Develop and maintain test cases, test plans, and automated testing suites for digital forensic software. Collaborate with engineering and DevOps to improve testability, validate software quality, track defects, debug complex systems, and implement CI/CD pipeline testing using Python, PyTest, APIs, Docker, Linux, and related tools.

Develop AI/ML strategy and production software for Smile Digital Health’s healthcare data platform. Design architectures and implement semantic matching, RAG, document parsing, agentic systems, knowledge graphs, and evaluation workflows. Write clean, tested, documented code, integrate external components, conduct reviews, collaborate with clients and product teams, contribute to technical strategy, and mentor developers in an Agile environment.

Build and maintain Safari AI’s cloud infrastructure, including production services, system design, reliability, documentation, and security compliance. The role sets technical direction for the cloud stack, collaborates with engineering and operations teams, improves development processes, and delivers incremental features. Candidates should have 4–6 years of software engineering experience, public cloud expertise, and experience taking complex services from concept through production. Streaming processing and machine learning experience are advantageous.

Build, launch, and maintain gameplay features for Driving Empire on Roblox. Responsibilities include writing performant Roblox Lua code, designing scalable systems, translating product requirements into technical tasks, collaborating with designers and artists, monitoring live features, improving reliability and workflows, participating in code reviews, and playtesting to improve player experience.

Build and maintain scalable, cloud-native APIs and high-value core system components using .NET and related technologies. Lead software architecture and testing discussions, enhance core offerings, collaborate cross-functionally, and ensure quality through code reviews, unit testing, functional testing, telemetry, and performance tuning. Mentor teammates and contribute to continuous technical and process improvement.

Build and improve MongoDB’s distributed networking and observability systems. Responsibilities include enhancing networking performance, availability, scalability, resource efficiency, and low-overhead observability; leading medium-sized projects from technical design through delivery; collaborating across the project lifecycle; contributing production C++ code; and participating in code reviews and feature design.

Design, develop, and improve scalable software for an investment platform. Lead software development across the lifecycle, mentor junior engineers, solve complex technical problems, maintain code quality through testing and reviews, and recommend technology enhancements. The role is remote in the USA with four in-person retreats annually.

Develop embedded software drivers and board support packages for next-generation automotive hardware platforms. Responsibilities include board bring-up, bootloader and peripheral driver development, storage and networking interfaces, power and thermal management, security hardware integration, performance tuning, and safety-standard-compliant software development. Senior engineers will own complete subsystems, work independently, lead projects or teams, and demonstrate expertise across multiple bus architectures and communication protocols.

Build and maintain Ruby on Rails backend features for vulnerability management, including security dashboards, reports, and ingestion pipelines. Improve system performance, reliability, and scalability; collaborate across backend, frontend, product, design, and security teams; review code; address technical debt; and participate in on-call rotations. The role requires relational database experience, distributed-team collaboration, technical problem-solving, and contributions across the stack when needed.

Develop, test, maintain, and deploy software and AI-enabled solutions for nuclear industry projects. Build features and lightweight applications, support AI-driven functionality, troubleshoot applications, and contribute to testing, integration, and deployment. Collaborate with stakeholders to translate needs into technical solutions while gaining experience with full-stack development, AI applications, and modern architectures.

Design, build, and improve Spellbook’s AI-powered legal application. Develop React features, Express and tRPC APIs, LLM functionality, and AWS infrastructure using CDK. Collaborate with product management, translate vague requirements into production-ready features, improve performance and reliability, fix bugs, review code, and provide constructive feedback. The role requires ownership from concept through deployment in a distributed startup environment.

Designs, develops, tests, deploys, and maintains complex software applications and services. The role involves analyzing requirements and architecture, writing scalable and secure code, conducting code reviews, troubleshooting defects, preparing technical documentation, supporting CI/CD and deployment processes, and collaborating with architects, QA specialists, project managers, and technical stakeholders. The developer also contributes to technical decisions, process improvements, security compliance, and team knowledge sharing.

Design, develop, and deliver control software and firmware for high-performance electronic products. Own projects across firmware, microcode, drivers, and control software throughout the product lifecycle, from inception through production and field support. Collaborate with interdisciplinary and partner engineering teams, support customer trials and issue resolution, and provide technical leadership or mentorship to small design teams.

Develop and maintain manual and automated integration, functional, load, and performance tests for cloud APIs and identity management services. Build Python automation frameworks, contribute to CI/CD infrastructure, review automation code, and validate system resilience, security, scalability, and specifications. Collaborate with globally distributed developers, SDET engineers, architects, and program managers while supporting release readiness and deployment decisions.

Design, build, and operate scalable data ingestion, replication, and lakehouse infrastructure to move petabytes of data into a Delta Lake on S3. Improve reliability, observability, security, and developer experience for Spark/Databricks processing. Develop internal libraries and tooling (Go/Python), collaborate with cross-functional teams, and help shape long-term data platform and AI-ready infrastructure.

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.

Leads the design and development of a highly distributed edge computing platform using Go, Kubernetes, microservices, and cloud technologies. Responsibilities include building scalable and fault-tolerant systems, designing APIs, conducting code reviews, troubleshooting complex distributed software issues, optimizing performance and security, collaborating cross-functionally, mentoring engineers, planning projects, and maintaining technical documentation.

Develop and support a cloud-native workload credentials management solution within a SaaS platform. Responsibilities include designing scalable full-stack services, orchestration, APIs, distributed systems, and microservices; providing technical leadership; leading projects through delivery; collaborating cross-functionally; mentoring engineers; and applying engineering best practices. The role requires extensive Go development, cloud and SaaS expertise, modern JavaScript frameworks, and experience operating enterprise systems at scale.

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.

Own the quality strategy for high-volume batch analytics systems and data pipelines. Design automated test frameworks, validate REST APIs and distributed microservices, assess architecture risks, and execute functional, performance, security, and accessibility testing. Maintain Jenkins and TestNG CI/CD suites, lead exploratory validation, influence cross-functional engineering practices, and mentor junior engineers. The role focuses on ensuring reliability, scalability, and customer trust in cloud-based, multi-tenant platforms.

Build and own React Native features for Kraken’s consumer mobile app, from product discovery through launch, measurement, and iteration. Partner with Product and Design to create responsive, trustworthy financial experiences using dynamic or real-time data. Guide development for a new Asian-market app, including regional UX, connectivity restrictions, vendors, and telemetry. Contribute to architecture, performance, reliability, code reviews, and product engineering standards.

Develop and maintain manual and automated integration, functional, load, and performance tests for Akamai cloud APIs and identity services. Build Python automation frameworks, contribute to CI/CD infrastructure, review test automation, validate system scalability and security, and support release readiness. Collaborate with globally distributed developers, SDET engineers, architects, and program managers while testing Kubernetes-based cloud applications.