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Senior Full Stack Net Developer Jobs in Barrie, ON

TFI Canada

Applications Developer

Bolton, ON · On-site

CA$80K - CA$90K/yr

NET-based application and integration layer that connects field service, payroll, accounts ... stack. • Contribute to the SQL data warehouse and Power BI reporting layer as needed. • ...

New

Magna

Sr Tooling Engineer

Newmarket, ON

Our capabilities include market and consumer research; full concept development; design and ... The Senior tooling engineer will also manage and lead Magna's Center of Excellence (C.O.E.) to ...

Magna

Jr. Designer (Design Engineering)

Newmarket, ON

CA$55K - CA$80K/yr

Collaborates with Project Engineers and Senior Engineers to develop studies and concept sketches to ... Designs may range up to full vehicle system complexity and should reflect an understanding of ...

DefineHR Inc

PLC Programmer & Designer

Rosemont, ON

$45 - $55/hr

This opportunity is ideal for someone who wants to take full ownership of the electrical design and ... This team is growing, so we also welcome interest from both intermediate to senior applicants (Lead ...

Matheson Constructors

Senior Estimator

Aurora, ON

$100K - $130K/yr

Lead and manage the full-cycle bid process for large-scale projects or oversee multiple smaller ... Engineering Degree or College Diploma in a construction-related discipline. * Minimum of five (5) ...

Matheson Constructors

Senior Estimator

Aurora, ON · On-site

CA$100K - CA$130K/yr

Lead and manage the full-cycle bid process for large-scale projects or oversee multiple smaller ... Engineering Degree or College Diploma in a construction-related discipline. * Minimum of five (5) ...

Magna

Sr. Specialist Solution Architect

Aurora, ON · Hybrid

We are a premier supplier for the global automotive industry with full capabilities in design ... software engineering * Strong understanding of IoT architectures and hybrid IT landscapes (on ...

Southlake

Senior Business Analyst, Finance

Newmarket, ON

CA$57.51 - CA$68.36/hr

Permanent, Full timeNumber of Positions: 1Minimum - Maximum Hourly Rate: $57.51 - $68.36 Why Join ... re-engineering, designing and implementing internal controls * Develop customized reports and ...

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All JobsFull Stack Net Developer JobsSenior Full Stack Net Developer JobsSenior Full Stack Net Developer Jobs in Barrie, ON

Senior Full Stack Net Developer information

See Barrie, ON salary details

$52.4K

$122.6K

$179.8K

How much do senior full stack net developer jobs pay per year?

As of Jul 29, 2026, the average yearly pay for senior full stack net developer in Barrie, ON is $122,627.00, according to ZipRecruiter salary data. Most workers in this role earn between $101,209.00 and $141,995.00 per year, depending on experience, location, and employer.

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

To thrive as a Senior Full Stack .NET Developer, you need deep expertise in C#, .NET frameworks, front-end technologies like JavaScript, HTML, and CSS, and a solid understanding of software architecture, backed by a relevant degree or equivalent experience. Familiarity with tools such as Visual Studio, SQL Server, Azure DevOps, and experience with REST APIs and version control systems like Git is typically required. Strong problem-solving, leadership, and communication skills help you collaborate effectively and mentor junior team members. These skills ensure you can deliver scalable, maintainable solutions and drive project success in dynamic development environments.

How does a Senior Full Stack .NET Developer typically collaborate with cross-functional teams in a project environment?

As a Senior Full Stack .NET Developer, you'll regularly work alongside product managers, UI/UX designers, QA engineers, and other developers to deliver end-to-end solutions. You’ll often be responsible for bridging the gap between backend and frontend teams, participating in sprint planning, code reviews, and architectural discussions. Effective communication and the ability to translate technical requirements into actionable tasks are essential, as you may also mentor junior developers and provide guidance on best practices. The role is highly collaborative, requiring both technical leadership and strong interpersonal skills to ensure smooth project delivery.

What are Senior Full Stack .NET Developers?

Senior Full Stack .NET Developers are experienced professionals who design, develop, and maintain applications using Microsoft's .NET framework across both front-end and back-end technologies. They are proficient in languages like C#, ASP.NET, JavaScript, and working with databases such as SQL Server. These developers oversee the full software development lifecycle, collaborate with teams, and often mentor junior developers. Their role requires strong problem-solving abilities, knowledge of best coding practices, and experience with cloud services like Azure. They contribute to creating scalable, efficient, and secure web applications.

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

AspectSenior Full Stack Net DeveloperSoftware Engineer
Required CredentialsBachelor's in CS or related, .NET certificationsBachelor's in CS or related, general programming certifications
Work EnvironmentDeveloping web applications using .NET, working in Agile teamsDesigning and developing software solutions across various platforms
Employer & Industry UsageTech companies, finance, healthcare using Microsoft stackBroad industry use, including tech, finance, startups

Senior Full Stack Net Developers focus on building and maintaining web applications using the Microsoft .NET framework, often working in Agile teams. Software Engineers have a broader scope, designing and developing software across multiple platforms. While both roles require similar educational backgrounds, Senior Full Stack Net Developers specialize in the Microsoft stack, making them more suitable for roles centered around .NET technologies.

What cities near Barrie, ON are hiring for Senior Full Stack Net Developer jobs? Cities near Barrie, ON with the most Senior Full Stack Net Developer job openings:
Senior Full Stack Net Developer jobs near you
Infographic showing various Senior Full Stack Net Developer job openings in Barrie, ON as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $122,627 per year, or $59 per hour.

Senior Full Stack React Developer

Sun Life Financial

King, ON • Hybrid

Full-time

Medical, Life

Posted 20 days ago

Sun Life Assurance Company of Canada rating

8.6

Company rating: 8.6 out of 10

Based on 18 frontline employees who took The Breakroom Quiz

88th of 299 rated insurance

Job description

You are as unique as your background, experience and point of view. Here, you'll be encouraged, empowered and challenged to be your best self. You'll work with dynamic colleagues - experts in their fields - who are eager to share their knowledge with you. Your leaders will inspire and help you reach your potential and soar to new heights. Every day, you'll have new and exciting opportunities to make life brighter for our Clients - who are at the heart of everything we do. Discover how you can make a difference in the lives of individuals, families and communities around the world.

Job Description:

Role Summary

Join our Front-end Design and Development Practice in where you will be creating one of a kind User Interfaces and innovative digital experiences across several mediums.
Our leading edge and innovative team will lead the design & development of Creative front end solutions across various lines of business and when appropriate partner with 3rd parties to ensure we continue to be the Industry leaders from a UI perspective.

What Will You Do?


As a part of a development team, interface with system designers, business system analysts, application analysts and testing specialists to deliver high quality solutions
Participate in the development and take accountability for deliverables
Participate in various review processes - i.e. Business Requirements, Test plans, Design reviews etc. to gain understanding of the application and provide input into the deliverables
Contribute to projects from initiation through planning, requirements, construction to implementation and post-implementation reviews
Suggest improvements to existing code to make a better UI experience for our clients
What Do You Need to Succeed?


5+ years of Professional, hands-on frontend development experience
Proficiency with JavaScript/ES6, React.js, HTML, CSS/SCSS, Webpack, XML/JSON
Proficiency with Bootstrap or similar frameworks such as Foundation
Experience with web accessibility guidelines, accessibility tools, and assistive technologies
Proficiency with developer tools and debugging techniques
Expertise in developing responsive web design and testing across multiple browsers, devices and
platforms
Experience building single page applications
Keep up to date with trends and changes in the UI space

Proficient with AI tools like CoPilot to accelerate development steps, troubleshooting and unit test code coverage
Experience working with teams to analyze and contribute ideas to production discussions, designs and decisions

Nice to Have


Experience with Design Systems (Storybook.js etc)
Experience with web development stacks including Parsley.js, AXIOS, react-bootstrap, React Context, Node.js etc.
Familiarity with Adobe Experience Manager
Experience working in an Agile development environment

What's in it for you:

  • We're honoured to be recognized as a 2026 Best Workplaces in Ontario by Great Place to Work Canada.

  • We are thrilled to be recognized by Excellence Canada with their top-level certification, the Canada Order of Excellence for Mental Health at Work, for prioritizing employee well-being, fostering a positive work culture, and achieving excellence in mental health.

  • Wellness programs that support the three pillars of your health - mental, physical, and financial

  • The opportunity to move along a variety of career paths with amazing networking potential

The Base Pay range is for the primary location for which the job is posted. It may vary depending on the work location of the successful candidate or other factors. In addition to Base Pay, eligible Sun Life employees participate in various incentive plans, payment under which is discretionary and subject to individual and company performance. Certain sales focused roles have sales incentive plans based on individual or group sales results.

Diversity and inclusion have always been at the core of our values at Sun Life. A diverse workforce with wide perspectives and creative ideas benefits our Clients, the communities where we operate and all of us as colleagues. We welcome applications from qualified individuals from all backgrounds.

Persons with disabilities who need accommodation in the application process, or those needing job postings in an alternative format, may e-mail a request to thebrightside@sunlife.com.

We are proud to be a hybrid organization that offers our employees the choice and flexibility to work from both the office and virtually based on the needs of the business, our Clients and you! Several work options are available and can be discussed throughout the selection process depending on the role requirements and individual needs.

We may use artificial intelligence to support candidate sourcing, screening, interview scheduling.

We thank all applicants for showing an interest in this position. Only those selected for an interview will be contacted.

Salary Range:

90,000/90 000 - 140,000/140 000

Job Category:

IT - Application Development

Posting End Date:

22/07/2026

What Sun Life Assurance Company of Canada employees say

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