Top .NET Developer Jobs in Toronto

Designs, develops, and maintains enterprise applications using C# and .NET. Builds Azure cloud-native solutions, workflow automation systems, high-volume processing engines, and SQL Server/Azure SQL databases. Participates in code reviews, CI/CD development, application modernization, and cloud transformation initiatives while collaborating with stakeholders, architects, and development teams.

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.

Design, develop, test, deploy, and maintain scalable web applications using Angular, .NET, and SQL Server. Participate throughout the software development lifecycle, collaborate with developers, designers, and stakeholders, follow coding and security standards, improve development processes, and stay current with Angular and .NET technologies. The role also involves RESTful API development, Git source control, Agile methodologies, and potentially Java, Elasticsearch, and Kafka.

Cygnus Professionals Inc. is hiring .NET Developers and other IT professionals to provide solutions and onsite services to customers.

Cygnus is seeking .NET and Java Developers to contribute to its information technology and consulting projects, ensuring customer satisfaction and quality service.

Cygnus is looking for experienced .NET and Java developers to join their team in the USA. Candidates should be dedicated to customer success and possess a strong value system.

Cygnus is seeking .Net Fullstack Developers to aid in IT consulting and deliver excellence to customers, emphasizing commitment and ownership.

Cygnus Professionals Inc. is hiring experienced .NET and JAVA developers for their IT Solutions Division. Candidates will provide onsite services and work in various technologies mentioned.

Design, implement, and maintain backend services and web applications on a Microsoft stack; build front-end features with React; write well-tested, secure code; collaborate with product and design; participate in code reviews and improve CI/CD/DevSecOps pipelines.

Design, develop, test, maintain and re-architect web and mobile applications using .NET/C#. Build and maintain SQL Server databases and BI components, support production, ensure security, document architecture, lead technical decisions, and mentor team members.

Design and build scalable .NET backend services and gRPC microservices; optimize data layers (SQL Server, MongoDB, Elasticsearch); implement cloud integrations on AWS and Azure; ship AI/ML features (LLMs, RAG, vector search, ranking, personalization) and operate MCP servers; contribute to CI/CD, observability, containerization, and production ML integrations impacting high-traffic consumer marketplaces.

Lead applications analysis and development efforts, design and enforce coding/testing standards, resolve complex business and system issues, ensure architecture compliance, define system enhancements, manage implementations and projects, coach mid-level developers, and drive risk/compliance awareness.

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.

Develop .NET applications and provide Unix/AIX and Windows server administration. Perform shell scripting, database work (SQL Server, Progress), reporting support, and liaise with business users. Provide customer support, adapt to change, and work cross-functionally.

Develop and maintain C#/.NET applications using WCF, AJAX, and SQL Server. Toronto-based permanent role, start ASAP. Work on backend and integration components within the .NET technology stack.

PERM .NET Developer role in Toronto to build and maintain C#/.NET applications and services using WCF, AJAX, and SQL Server. Start ASAP.

Design and develop scalable applications in a team-based Agile environment, collaborating with cross-functional teams and utilizing cloud platforms.

Design, build, and ship production-grade distributed features within cross-functional agile teams. Contribute to architecture, prototype solutions, write automated tests, debug and profile distributed systems, resolve defects, coordinate technical dependencies, perform code reviews, and share knowledge to improve product quality and team practices.

The .Net Developer will lead development projects, work with offshore teams in Agile, and utilize .NET technologies for web applications.

.NET Developer Lead responsible for programming projects using .NET version 4.5 and integrating with Genesys platforms while ensuring effective communication and documentation.

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.