senior net software engineer jobs in Toronto

Source Code in Downtown Toronto is seeking a Sr. Software Developer for a 7- to 8-month on-site contract.The role focuses on design, coding and unit testing of enhancements and on troubleshooting and break/fix support across multiple systems in the Corrections Systems Portfolio. The candidate will translate business requirements and functional specifications...

Source Code in Downtown Toronto is seeking a Sr. Software Developer for a 7- to 8-month on-site contract. The role focuses on design, coding and unit testing of enhancements and on troubleshooting and break/fix support across multiple systems in the Corrections Systems Portfolio. The candidate will translate business requirements and functional...

Ministry of the Solicitor General (SOLGEN) – Justice Technology Services in Toronto, ON, is seeking a Senior Software Developer to design, develop, test, and maintain secure enterprise applications. You will implement integrations with OTIS and other systems, building solutions using Azure, .NET, C#, MVC, ReactJS, HTML5, CSS3 and JavaScript. The role...

Ministry of the Solicitor General (SOLGEN) – Justice Technology Services in Toronto, ON, is seeking a Senior Software Developer to design, develop, test, and maintain secure enterprise applications. You will implement integrations with OTIS and other systems, building solutions using Azure, .NET, C#, MVC, ReactJS, HTML5, CSS3 and JavaScript. The role...

At Moody's, we unite the brightest minds to turn today’s risks into tomorrow’s opportunities. We do this by striving to create an inclusive environment where everyone feels welcome to be who they are—with the freedom to exchange ideas, think innovatively, and listen to each other and customers in meaningful ways. Moody’s is transforming how the world...

Senior Software Engineer - .NET, C# & APIs The Role Capco is seeking a Senior Software Engineer with strong expertise in C#, .NET, ASP.NET Core, and API development to join our Technology & Engineering practice in Toronto. In this role, you will design, develop, modernize, and maintain enterprise applications and APIs that support business-critical solutions...

Capco in Toronto is seeking a Senior Software Engineer to design, develop, and maintain enterprise web applications for financial services clients. You will contribute across the full software development lifecycle and collaborate with distributed teams to deliver high-quality solutions.The role emphasizes strong technical judgement, hands-on coding in C#,...

At Moody's, we unite the brightest minds to turn today’s risks into tomorrow’s opportunities. We do this by striving to create an inclusive environment where everyone feels welcome to be who they are—with the freedom to exchange ideas, think innovatively, and listen to each other and customers in meaningful ways. Moody’s is transforming how the world...

At Moody's, we unite the brightest minds to turn today’s risks into tomorrow’s opportunities. We do this by striving to create an inclusive environment where everyone feels welcome to be who they are—with the freedom to exchange ideas, think innovatively, and listen to each other and customers in meaningful ways. Moody’s is transforming how the world...

Build mission-critical backend systems with C# and .NET at OpenTable, working hybrid from the Toronto office two days weekly. Support real-time reservation technology.As a Software Engineer II, you will design and implement services for inventory, availability, and reservation flows. The TMS Inventory team owns complex distributed systems where reliability...

Build mission-critical backend systems with C# and .NET at OpenTable, working hybrid from the Toronto office two days weekly. Support real-time reservation technology. As a Software Engineer II, you will design and implement services for inventory, availability, and reservation flows. The TMS Inventory team owns complex distributed systems where reliability...

RQ09536 - Software Developer - Intermediate About the job RQ09536 - Software Developer - Intermediate Description The VOR Master Service Agreement which expires on April 5, 2026, leaves some Contracts with funding unassigned for fiscal 2025-26. If the current statement of work expires March 31, 2026, the remaining funds can be used to exercise an option to...

Strong C#/.NET experience (for building scalable and high-performance backend applications and APIs) Strong Angular + TypeScript experience (for robust and responsive front end development) Full stack delivery experience and ability to guide others technically Strong understanding of SQL Server, stored Procedures, Indexing, Database design Comfort using...

Build .NET MVC and SQL Server solutions as a Senior Software Developer supporting Ontario Health in Toronto through hybrid work. Apply Azure expertise to healthcare applications. This senior position supports Ontario Health’s Drug Formulary and Genomics team. You will develop Azure web applications using Microsoft Visual Studio .NET MVC and SQL Server....

Build .NET applications onsite in Toronto using C#, Azure, and identity management solutions across public sector platforms and services.This Senior Software Developer supports the Community Services Cluster and Data Product Services Branch. You will translate specifications into tested applications, enhance existing platforms, and troubleshoot software. The...

Job Role: Software Developer - Senior (.Net experience) Location : Toronto, ON/Onsite Position Type : Contract Role Start Date 2026-11-02 End Date 2027-07-30 5 days Onsite in a week Ideal Candidate Rate: CAD 90-95/Hr (Depending on the experience) Must Have: 10+ experience building and maintaining stable, secure and scalable web & desktop applications using...

Build tested applications with .NET, C#, and Azure technologies as a Senior Software Developer supporting government services integration. Toronto, Ontario location stated. This senior developer translates technical systems specifications into working applications. The work includes programming specifications, code, unit testing, troubleshooting, and...

Build real-time trading technology as a Senior Software Engineer using Microsoft .NET, distributed systems, and React interfaces. Shape reliable, low-latency services. This senior role sits within a sports betting technology business’s Trading Technology team. You will develop backend engines for trading, risk management, and core platform services. You...

Build low-latency backend systems at Crescendo Technology in Toronto using Microsoft .NET, distributed systems, React, and TypeScript. As a Senior Software Engineer, you will develop business components and services for real-time trading, risk management, and core platform services. You will work across backend architecture, cloud-native technologies, and...

We are seeking a Senior .NET Full Stack Engineer with 7+ years of experience designing, developing, modernizing, and supporting business-critical enterprise applications. The role requires deep expertise across backend engineering, modern web development, Microsoft Azure, integration, data, DevOps, security, and production operations. The successful...