1

Sr Full Stack Dot Net Developer Jobs in Ontario (NOW HIRING)

Senior Full Stack Developer

Toronto, ON

CA$100K - CA$140K/yr

  • Medical

  • Life

  • Retirement

  • PTO

... full-stack development * Advanced proficiency in frontend technologies: HTML5, CSS, JavaScript ... NET * Deep knowledge of MS SQL Server and relational database design * Hands-on experience with ...

You will work on a high performing team of Senior Full Stack Engineers where you will be building a revolutionary new Banking App. \n \n \n \n \n \n Requirements: You will have hands on commercial ...

  • Medical

  • Dental

  • Vision

Senior Staff Full-Stack Engineer - .NET, React & AI Are you a highly experienced full-stack engineer who thrives on solving complex technical challenges and delivering production-ready solutions at ...

  • Medical

  • Dental

  • Vision

Senior Staff Full-Stack Engineer - .NET, React & AI Are you a highly experienced full-stack engineer who thrives on solving complex technical challenges and delivering production-ready solutions at ...

  • Medical

  • Dental

  • Vision

Senior Staff Full-Stack Engineer - .NET, React & AI Are you a highly experienced full-stack engineer who thrives on solving complex technical challenges and delivering production-ready solutions at ...

  • Medical

  • Dental

  • Vision

Senior Staff Full-Stack Engineer - .NET, React & AI Are you a highly experienced full-stack engineer who thrives on solving complex technical challenges and delivering production-ready solutions at ...

\n \n \n \n \n Our client has a requirement for an experienced Full\-Stack Developer to be a key ... Angular\/React \n * Azure \n * Entity Framework \n * ASP.NET \n * Web API's \n * Agile ...

Showing results 41-60

Sr Full Stack Dot Net Developer information

What is a Sr Full Stack Dot Net Developer?

A Sr Full Stack Dot Net Developer is an experienced software engineer who designs, develops, and maintains both front-end and back-end components of web applications using Microsoft’s .NET framework and related technologies. They are proficient in languages like C#, ASP.NET, JavaScript, HTML, and CSS, and often work with databases such as SQL Server. Senior developers not only write code but also make architectural decisions, mentor junior team members, and ensure the security, scalability, and performance of applications. Their role requires a deep understanding of the software development lifecycle and the ability to collaborate with cross-functional teams.

What are the key skills and qualifications needed to thrive as a Sr Full Stack Dot Net Developer?

To thrive as a Sr Full Stack Dot Net Developer, you need deep expertise in C#, ASP.NET, front-end frameworks (like Angular or React), and strong knowledge of database design, typically supported by a bachelor's degree in computer science or a related field. Proficiency in Visual Studio, SQL Server, source control systems like Git, and familiarity with cloud platforms such as Azure or AWS is essential, with certifications like Microsoft Certified: Azure Developer Associate being advantageous. Excellent problem-solving, teamwork, and communication skills help developers collaborate effectively and adapt to changing project requirements. These skills and qualities are vital to deliver robust, scalable solutions that meet business needs in complex, fast-paced development environments.

What are some common challenges a Sr Full Stack Dot Net Developer faces when balancing backend and frontend responsibilities?

As a Sr Full Stack Dot Net Developer, one of the main challenges is effectively managing the demands of both backend and frontend development, especially when projects require deep expertise in multiple technologies. Staying up-to-date with the latest frameworks, such as ASP.NET Core for backend and popular JavaScript libraries for frontend, can be time-consuming. Additionally, collaborating with specialized team members—like UX designers or DevOps engineers—requires strong communication to ensure seamless integration and deployment. Balancing these aspects while meeting project deadlines is a key part of the role.

What is the difference between Sr Full Stack Dot Net Developer vs Full Stack Java Developer?

AspectSr Full Stack Dot Net DeveloperFull Stack Java Developer
Required CredentialsBachelor's in CS or related, .NET certificationsBachelor's in CS or related, Java certifications
Work EnvironmentMicrosoft-based tech stacks, enterprise applicationsJava-based tech stacks, web and enterprise apps
Employer & Industry UsageFinancial, healthcare, enterprise sectorsTech firms, startups, enterprise sectors
Common Search & ComparisonYesYes

The main difference between a Sr Full Stack Dot Net Developer and a Full Stack Java Developer lies in the technology stack they specialize in. The Dot Net developer focuses on Microsoft technologies and enterprise applications, while the Java developer works primarily with Java-based frameworks. Both roles require similar credentials and are used across various industries, but their tech stacks and specific project types differ.

What are popular job titles related to Sr Full Stack Dot Net Developer jobs in Ontario?

For Sr Full Stack Dot Net Developer jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Sr Full Stack Dot Net Developer jobs in Ontario look for?

The top searched job categories for Sr Full Stack Dot Net Developer jobs in Ontario are:

What cities in Ontario are hiring for Sr Full Stack Dot Net Developer jobs?

Cities in Ontario with the most Sr Full Stack Dot Net Developer job openings:

Infographic showing various Sr Full Stack Dot Net Developer job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 15% Part Time, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution.

Senior Full Stack Developer

Netsweeper Inc.

Waterloo, ON • On-site, Remote

Full-time

Re-posted 9 days ago


Job description

About Us:

Netsweeper Inc is a software and SaaS company that is passionate about creating innovative solutions to real-world problems. We're looking for a talented Senior Full Stack Developer to join our team of skilled developers and contribute to the success of our products.


Job Summary:

We're seeking an experienced Senior Full Stack Developer who can lead by example and mentor junior developer(s) in their work on complex web applications built with React, Redux, RabbitMQ, Postgres, MySQL and other modern technologies. As a senior member of our development team, you will be responsible for designing, developing, testing, and deploying high-quality software solutions that meet the needs of our customers.


Responsibilities:

  • Design, develop and test scalable, maintainable, and efficient React applications using best practices and industry standards
  • Collaborate with cross-functional teams to identify and prioritize product requirements, and develop technical roadmaps to achieve those goals
  • Mentor junior developer(s) in the design, development, and testing of React applications, providing guidance and feedback as needed
  • Participate in code reviews and ensure that all code meets company coding standards and best practices
  • Troubleshoot and debug complex issues with React applications using advanced debugging techniques and tools
  • Stay up to date with the latest trends and technologies in React development, and apply that knowledge to improve our products and processes
  • Work closely with designers and product managers to ensure that front-end implementations align with design visions and meet customer needs
  • Develop and maintain a deep understanding of our products and services, and use that knowledge to inform technical decisions
  • Work with Product Management to ensure deadlines and targets are met

Requirements:

  • 10+ years of experience in developing applications using best practices and industry standards in React or similar frameworks
  • Strong understanding of React fundamentals, including JSX, components, state management, event handling and routing
  • RabbitMQ or Kafka
  • Microservices Architecture and frameworks
  • Postgres and/or MariaDB/MySQL or similar RDBMS
  • Experience with Redux or other state management libraries
  • Familiarity with modern JavaScript frameworks, such as Node.js and Webpack
  • Experience with testing frameworks such as Jest and Enzyme
  • CI/CD with Jenkins or similar
  • Strong problem-solving skills and attention to detail
  • Excellent communication and collaboration skills
  • Bachelor's degree in computer science or a related field

Nice to Have:

  • Architect solutions
  • PHP development knowledge encompasses a range of skills and concepts necessary for building and maintaining dynamic web applications
  • Experience with containerization using Docker and Virtual Machines
  • Knowledge of CSS preprocessors such as Sass or Less
  • Familiarity with modern front-end build tools, such as Webpack and Babel
  • Experience with Agile development methodologies and Scrum
  • Strong understanding of HTML5, Tailwind CSS, CSS3, and JavaScript


What We Offer:

  • Competitive salary and benefits package
  • Opportunity to work on cutting-edge technology projects
  • Collaborative and dynamic work environment
  • Professional development opportunities through training
  • Flexible work arrangements, including remote work options


Compensation for this position commensurate with skills and experience and includes all wage ranges as defined under the Employment Standards Act, 2000 (ESA). This posting relates to an existing vacancy within our organization. 'Canadian work experience' is not required, and applications from all qualified candidates are welcome. The organization, through its use of the Indeed platform, utilizes its automated and/or artificial intelligence-based tools to support the screening, assessment, or selection of applicants; these tools are used in conjunction with human review and do not replace individual decision-making.

Although applications from all qualified candidates are welcome, only those that are selected for interview will be contacted directly by a member of our team. As per the Employment Standards Act, 2000 (ESA), we abide by communication expectations on application status with those who were selected for interview.