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Senior Net Core Developer Jobs in Toronto, ON (NOW HIRING)

With supervision and code/design reviews by senior staff, responsible for the timely completion of ... Net.Core * C#, SQL, Python * Relational database (i.e Oracle, sql server) * Multi-threading ...

We are Hiring For Dot Net Core Developer Position Experience: 5+ years Location: Toronto (Onsite) Pay Range - $45-50/Hr. *May Require onsite interview* Required Skills - Core .NET Development

New

We are seeking a Senior .NET Developer to join our client's Equity Derivatives technology group. In ... NET 8/Core specifically optimized for Unix/Linux environments. Engineer for Performance: Implement ...

Sr. Core Java Developer

Toronto, ON ยท Hybrid

CA$120K - CA$140K/yr

Our challenge We are seeking a highly experienced and hands-on Java Developer with a strong background in Core Java, Spring Framework, and low-latency multi-threaded programming to join our dynamic ...

... Senior Manager, on the design, development, integration, and implementation of Insider Threat ... as a core developer for both the frontend and backend-for-frontend components of the web ...

The position is for a Senior Application Developer within the Group Treasury-Liquidity Risk group ... net new code, 50% working on existing code and application support. * Collaborating with core ...

Senior Application Developer

Toronto, ON ยท On-site

CA$44 - CA$48/hr

Proficiency in core programming languages and system development lifecycle (SDLC) best practices. * Integration & Testing: Demonstrated experience in applications integration, system integration, and ...

... net shares. Our pension offerings provide flexibility and long-term security for our employees ... About the role We're looking for a Senior SQL Developer to join our growing Database Marketing team.

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Showing results 1-20

Senior Net Core Developer information

See Toronto, ON salary details

$34.8K

$118.4K

$187.1K

How much do senior net core developer jobs pay per year?

As of Jun 26, 2026, the average yearly pay for senior net core developer in Toronto, ON is $118,372.00, according to ZipRecruiter salary data. Most workers in this role earn between $96,388.00 and $136,470.00 per year, depending on experience, location, and employer.

What is a Senior .NET Core Developer?

A Senior .NET Core Developer is an experienced software engineer who specializes in building web applications, APIs, and other software solutions using Microsoft's .NET Core framework. They are responsible for designing, coding, testing, and maintaining high-performance and scalable applications. In addition to strong technical skills, Senior .NET Core Developers often mentor junior team members, participate in architectural decisions, and ensure best practices in software development. Their expertise typically covers C#, ASP.NET Core, Entity Framework Core, and integration with various databases and cloud services.

What are the key skills and qualifications needed to thrive as a Senior .NET Core Developer, and why are they important?

To thrive as a Senior .NET Core Developer, a strong foundation in C#, .NET Core, object-oriented programming, and software architecture, often supported by a degree in computer science or related field, is essential. Expertise in tools such as Visual Studio, Azure DevOps, source control systems like Git, and familiarity with CI/CD pipelines and unit testing frameworks is typically required. Excellent problem-solving abilities, effective communication, and leadership skills help developers collaborate across teams and mentor junior staff. These skills and qualifications are crucial for delivering robust, scalable solutions and driving successful software projects.

What are some common challenges faced by Senior .NET Core Developers when working on large-scale enterprise applications?

Senior .NET Core Developers often encounter challenges such as managing complex codebases, ensuring high performance under heavy loads, and integrating with legacy systems or third-party services. They are frequently responsible for setting coding standards, performing code reviews, and mentoring junior developers, which requires strong communication and leadership skills. Additionally, staying up to date with the latest .NET Core features and best practices is essential for maintaining secure and scalable solutions in a fast-paced environment.

What is the difference between Senior Net Core Developer vs Software Engineer?

AspectSenior Net Core DeveloperSoftware Engineer
Required CredentialsBachelor's in CS or related field, experience with .NET CoreBachelor's in CS or related field, programming experience
Work EnvironmentDeveloping backend applications, working with .NET Core frameworksDesigning, developing, testing software across various platforms
Employer & Industry UsageTech companies, finance, healthcare using .NET technologiesBroad industry use, including tech, finance, startups, and enterprise

The main difference is that a Senior Net Core Developer specializes in building and maintaining backend applications using .NET Core, often with a focus on performance and scalability. A Software Engineer has a broader scope, working across different programming languages and platforms. Both roles require similar educational backgrounds and technical skills, but the Senior Net Core Developer role is more specialized in Microsoft technologies and backend development.

Developer - 10 months

The Mason Group Inc

Toronto, ON โ€ข Hybrid

Contractor

Posted 13 days ago


Job description

Our Client manages one of the largest pension plans globally and is looking for a Developer to join then on a 10 month contract assignment. The role is in office 3 days a week located in downtown Toronto.

Our client is undergoing a Cloud Data Migration project and requires an experienced Developer for a 10-month contract.

ย Key Responsibilities:

  • With supervision and code/design reviews by senior staff, responsible for the timely completion of high quality, well designed and well architected systems that make appropriate use of technology.
  • Responsible for completion of an acceptable volume of work and for the communication of status of personal work plans and tasks required to design, develop, and test assigned portion of projects.
  • Responsible for maintaining currency in technological trends and directions continually upgrading personal technical and IT related skills through research, education and self-motivated technology experimentation.
  • Participate in new technology investigation and make recommendations for new technology adoption where appropriate
  • Other duties as required
Must Have:
  • Computer Science or Engineering degree or equivalent working experienceย 
  • Minimum 7 years software design/development experience
  • Sound knowledge of current information systems theories, concepts, and techniques
  • Good organizational, analytical and problem-solving skills
  • Excellent written and verbal communication
  • 7+ yearsโ€™ experience needed in the following technologies or equivalent:
  • Net, ย .Net.Core
  • C#, SQL, Python
  • Relational database (i.e Oracle, sql server)
  • Multi-threading programming
  • Strong knowledge of analytical and problem-solving including Azure Kubernetes Service, Azure Data Lake Storage, Azure Key Vault etc
  • Experience with Investment Risk Management systems ie Adaptive is an asset
  • CI/CD tools such as CLoudBees, Jenkins, Urbancode, etc. is an asset

ย ย Additional Information:

ย The Mason Group is committed to fostering a diverse, inclusive, and accessible recruitment process. We welcome applicants from all qualified candidates. Accommodations are available upon request for candidates participating in all stages of the recruitment process, in accordance with the Accessibility for Ontarians with Disabilities Act (AODA).