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Web Application Development Jobs in Ontario (NOW HIRING)

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Web Developer

Toronto, ON · On-site

Web Developer Location: Ontario (Hybrid - See "Hybrid Work Details" section below for more ... Application Development * Build and maintain customer-facing and internal user interfaces using ...

StackandCo

NET application development experience (up to ASP.NET 4.5\/4.6 C#) \n * Experience working with.NET web application development technologies (MVC 5, MVC Identity, Linq, Entity Framework) \n

Pinterest

Sr. Software Engineer, Web

Toronto, ON · On-site +1

Deep understanding of Web development and best practices in React/Redux. * 5+ years of industry Web application development experience, building consumer or business facing products. * Experience in ...

Scotiabank

Senior Web Developer

Toronto, ON · On-site +1

We'd love to work with you if you have: * 8+ years of professional experience in web application development. * Strong expertise with JavaScript/TypeScript, PHP, HTML5, and CSS3. * Deep handson ...

SOCOMEC

Product Development Engineer

Brampton, ON

CA$110K - CA$130K/yr

Web application development using HTML5 and JavaScript preferably with Vue.js framework. * GUI development for industrial touch panels (Qt framework an asset). * Familiarity with electrical power ...

StackandCo

Implementation of an application solution architecture and software development capability within ... You will be responsible to create responsive design and web layout for web applications and ...

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Web Application Development information

What is web application development?

Web application development is the process of creating software applications that run on web servers and can be accessed through a web browser. It involves designing, building, testing, and maintaining applications that use technologies such as HTML, CSS, JavaScript, and server-side languages like Python, PHP, or Java. Web apps can range from simple websites to complex platforms like e-commerce sites or online tools. The goal is to deliver interactive, user-friendly experiences that work across multiple devices and browsers.

How do web application developers typically collaborate with designers and backend engineers during a project?

Web application developers frequently work closely with both UI/UX designers and backend engineers to ensure seamless integration of frontend interfaces with server-side logic. Collaboration often involves regular meetings, shared project management tools, and code reviews to align on functionality and design requirements. Developers may participate in sprint planning sessions and use platforms like GitHub for version control, facilitating smooth communication and efficient handoffs between teams. This collaborative environment helps ensure the final product is user-friendly, visually appealing, and performs reliably across different devices.

What are the key skills and qualifications needed to thrive as a web application developer, and why are they important?

To thrive as a Web Application Developer, you need strong programming skills in languages such as JavaScript, HTML, and CSS, along with a solid understanding of web frameworks and a relevant computer science degree or equivalent experience. Familiarity with tools like version control systems (e.g., Git), front-end frameworks (such as React or Angular), and back-end technologies (like Node.js or Django) is typically required. Creative problem-solving, attention to detail, and effective communication are standout soft skills for this role. These abilities ensure robust, user-friendly applications and efficient collaboration within development teams.

What is the difference between Web Application Development vs Web Software Development?

AspectWeb Application DevelopmentWeb Software Development
FocusBuilding interactive, user-facing web applicationsCreating software solutions that run on web platforms, including backend and frontend
SkillsHTML, CSS, JavaScript, frameworks like React or AngularSame as Web Application Development, often including server-side languages like PHP, Python, or Java
Work EnvironmentWeb development teams, client projects, startupsSoftware companies, enterprise solutions, SaaS providers

Web Application Development primarily focuses on creating interactive web apps for users, while Web Software Development encompasses a broader range of web-based software solutions, including backend systems. Both roles share similar skills and work environments, but their scope and end goals differ slightly.

Is web application development still in demand?

Web application development remains in high demand due to the ongoing growth of online services and digital platforms. Developers skilled in languages like JavaScript, Python, and frameworks such as React or Angular are sought after, with many opportunities across various industries and remote work options.

What do web application developers do?

Web application developers design, build, and maintain software applications that run on web browsers. They write code using programming languages such as JavaScript, HTML, and CSS, and often use frameworks and tools like React or Angular. Their work involves understanding user requirements, testing for functionality, and ensuring security and performance of the applications.

What are the most commonly searched types of Web Application Development jobs in Ontario?

The most popular types of Web Application Development jobs in Ontario are:

What are popular job titles related to Web Application Development jobs in Ontario?

For Web Application Development jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Web Application Development jobs in Ontario look for?

The top searched job categories for Web Application Development jobs in Ontario are:

What cities in Ontario are hiring for Web Application Development jobs?

Cities in Ontario with the most Web Application Development job openings:

Web Application Development jobs near you
Infographic showing various Web Application Development job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 22% Part Time, and 2% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution.

Web Application Developer

Flynn Group of Companies

Mississauga, ON • On-site

CA$70K - CA$110K/yr

Full-time

Re-posted 22 days ago

Job description

At Flynn, it's not just a job, it's a career

Flynn Group of Companies, North America's leading building envelope contractor is looking to hire a Web Application Developer to work in our beautiful Mississauga location. 
 
 
Our Tech Stack
Our primary tech stack is .NET (C#) hosted in AWS and Microsoft Azure. We use MongoDB, MySQL, and SQL Server for our databases. Apps are built in ASP.NET and Angular for our web apps.
 
What we offer: 
-Funded training and development program
-Very well-equipped on-site gym w/ free access
-Dental and supplemental medical plan
-Matching RRSP contributions
-Employee and Family Assistance Program
-Subsidized onsite cafeteria with excellent food choices!
-Free parking and EV Charging facility
-Family Events and Flynn Fest
-MSDN Subscription
-Enterprise AI subscription (GitHub Copilot, Claude, or similar - your choice) 
 
 
Responsibilities
-Will be a core member of the team to design, architect, develop, code reviews and test our key applications
 
-Design new application features and integrations in collaboration with team members to deliver complex changes
 
-Design and implement scalable and resilient cloud solutions with security and disaster recovery in mind
 
-Lead and drive all activities to integrate real and near-real time capabilities between new core products and other applications
 
-Ensure good code coverage and test coverage by writing and maintaining effective automated tests
 
-Be a champion of code quality in team by adhering to CLEAN architecture and SOLID principles
 
-Participate in a rotating weekly on-call schedule
 
-Off-hours support as required
 
What we are Seeking
-Must have at least 5 years of experience working on web development
 
-Post-secondary education in Computer Science/IT or related field
 
-4 years of experience with web development - Angular, Jquery, KondoUI, API, .NET Core, MongoDB and/or MySQL
 
-Experience in .NET / .NET Framework and C#
 
-2 years with cloud technologies - AWS or Azure. Experience working with integrating interconnected systems such as microservices
 
-Solid understanding of and hands on experience with CLEAN architecture and SOLID principles
 
-Troubleshoot and resolve technical issues and provide support during the testing and deployment phases
 
-Experience in Agile environment using tools such as JIRA, Aha
 
-Knowledge of security best practices
 
-Experience with containerization
 
-Nice to have: Experience working with observability and monitoring tools such as Sumo Logic, New Relic, CloudWatch, etc.
 
-Nice to have: Experience working with DevOps concepts such as CI/CD and Infrastructure as Code
 
-Experience with any of the following tools and technologies: Atlassian Jira, GitHub, Azure DevOps, Aha!, New Relic, Sumo Logic

-Familiarity with AI-powered development tools such as GitHub Copilot, Claude Code, or similar - we embrace AI-assisted development as part of our engineering culture 
 
-We trust our engineers - if there's a tool, license, or resource that helps you work better, just ask. We'll make it happen 
$70,000 - $110,000 a year
#LI-AD1

Flynn Group of Companies is the leading trade contractor in North America that works on virtually every aspect of a building's outer layer, including Roofing, Glazing, Waterproofing, and Architectural Metals. The foundation of our award winning success is having the right people on our team.
Disclosure: We use an AI-powered system to initially screen resumes.  However,  all applications/resumes are also reviewed by our team of Human Resources and Talent Acquisition Professionals to ensure a fair and thorough evaluation in determining a candidate's potential fit for a role they applied to.
This posting is for an existing vacancy within the organization.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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