Top NET Developer Jobs in Ottawa

Leads a cross-functional engineering team developing secure, optimized software solutions. Responsibilities include architecture and design, coding, code reviews, client and team communication, process improvement, deployment and configuration in cloud environments, and managing team members’ professional development. The role requires expertise in C#, monolithic and microservice architectures, event-driven systems, communication protocols, SQL and NoSQL databases, container orchestration, and software quality practices.

Design, develop, test, maintain, and document secure .NET web and database applications. Build responsive front-end experiences, integrate APIs and data feeds, support Azure and AWS cloud applications, and apply OWASP-aligned security practices. Translate stakeholder requirements into technical solutions, participate in Agile development, code reviews, vulnerability remediation, troubleshooting, testing, and documentation. Collaborate with technical, security, database, cloud, and business teams while supporting GIS integrations and continuous improvement.

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.

Provide web development services for government contracts, including designing web-based service delivery plans, selecting web tools to connect clients to backend systems, creating high-usability pages, testing and debugging, preparing documentation and specifications, and ensuring system acceptance. Most experience should include work with Canadian government departments.

Develop and enhance configurable SaaS and enterprise software platforms in Java and .NET environments. Responsibilities include analysis, design, software development, collaboration with product owners, and participation in an Agile/Scrum team. The role may involve cloud mobility, data visualization, and artificial intelligence technologies, requiring strong problem-solving, independent work, collaboration, and the ability to learn new concepts quickly.

Lead development of secure, scalable digital banking software across front-end and backend systems. Design Angular or React applications, build APIs, optimize SQL performance, integrate third-party platforms, improve code quality, implement testing strategies, and mentor engineers. Collaborate with cross-functional teams in an Agile environment while supporting cloud-native practices, regulatory compliance, and continuous product improvement.

Leads architecture, development, modernization, and lifecycle management for cross-platform mobile applications using .NET MAUI, Xamarin, C#, and XAML. Owns migration from Xamarin.Forms, platform-specific performance, API and SDK integrations, secure storage, offline synchronization, CI/CD, app deployment, coding standards, and architecture reviews. Mentors engineers and collaborates with product, UX/UI, backend, QA, and other stakeholders to deliver reliable Android and iOS applications.

The role involves developing, testing, and maintaining software systems, collaborating with cross-functional teams, and mentoring junior developers while ensuring high code quality.

Design, build, and own integrations between a fintech platform and ERP or accounting systems. Develop REST and SOAP services, synchronization and reconciliation workflows, data mappings, validation, retries, audit trails, and observability. Improve reliability and performance, troubleshoot production failures, and collaborate with onboarding, support, engineering, and non-technical stakeholders. The role requires strong C#, .NET, SQL Server, messaging, and financial-system integration experience, with opportunities to use Azure and AI-assisted development tools.

Leads end-to-end modernization from a monolith to microservices, including legacy analysis, architecture, estimation, data migration, deployment, and production support. Guides .NET services, databases, messaging, containerization, and frontend integrations. Acts as the technical escalation point for complex issues while improving Jira tracking, estimation accuracy, QA collaboration, release predictability, and engineering processes. Manages and develops the team through one-on-ones, performance reviews, feedback, and career-focused objectives.

Cygnus is seeking Java and .Net Developers for its IT Solutions Division. The role involves various technologies such as web development and data analysis. Candidates must have a Bachelor or Master's degree in engineering.

Lead and implement .NET/Azure projects, design solutions, build and review code, maintain Azure CI/CD pipelines and ARM templates, mentor and manage onsite/offshore developers, handle L2/L3 support, incident and change management, and engage with stakeholders and customers.

The Senior .Net Developer will enhance SDG's C#/.NET Core codebase, design high-load services, and optimize MS SQL queries, benefiting from a remote work environment and attractive benefits.

Responsible for leading programming efforts, mentoring teammates, and developing robust, cloud-based applications using modern technologies and methodologies.

As a Sr. Software Engineer, you'll design and develop features for a SaaS platform, collaborate with teams, tackle technical problems, and ensure high-quality solutions with an ownership mindset.

Lead architecture and delivery of cloud-native .NET systems for mission-critical nuclear workflows. Design scalable, resilient distributed applications, own CI/CD and deployment pipelines, drive technical roadmap, and raise engineering standards through code reviews, reliability practices, and cross-functional collaboration.

Lead and review complex high-net-worth, fiduciary, gift, and estate tax engagements; perform advanced tax research; design wealth-preservation and succession strategies for founders and tech executives; manage client relationships; mentor and supervise staff; collaborate on business development and firm initiatives; ensure compliance with federal, state, and local tax rules; and contribute to process improvement and technology adoption.

Lead-level .NET developer role requiring 10+ years of experience. Senior/Lead .NET development, design and implementation of applications, and team leadership on a 6+ month contract. Interviews via phone and Skype.

Lead a team to develop SaaS solutions while coding and mentoring engineers. Responsible for technical leadership and team management.