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Sr Full Stack Web Developer Jobs in Ontario (NOW HIRING)

StackandCo

\n \n \n \n \n The Full Stack Web Developer role is a key role in supporting IT Solutions and leading project development activities. You will work on the analysis, design, development and maintenance ...

StackandCo

\n \n \n \n \n Full Stack Software Developer I have a open role for a Senior Full Stack Web Developer in .Net, HTML\/CSS\/Javascript, SQL Server and have some UI Experience in design. This role is ...

CDM Smith

Senior Full Stack Developer

Toronto, ON · Remote

Trinnex, a wholly owned subsidiary of CDM Smith, is looking for a Senior Full Stack Developer to ... and developing full stack web applications. Proficiency with modern front end frameworks (e.g ...

1Valet

Senior Full-Stack Developer

Toronto, ON · Remote

Senior Full-Stack Developer Location: Ottawa, ON (Remote) About the Role We are looking for a ... Angular .NET / C# (Web APIs, services) MS/Azure SQL (schema design, performance tuning ...

StackandCo

\n \n \n \n \n The successful Senior Full Stack Developer will assume ownership for a diversity of ... and building web services for clients. \n \n \n \n \n \n As well as this, you will play an ...

Aversan

Senior Full Stack Developer

Mississauga, ON

CA$110K - CA$140K/yr

Senior Full Stack Software Engineer Aversan Inc.(www.aversan.com) is a trusted multi-service ... The ideal candidate brings deep experience in modern web-based software development, system ...

Trellis

Senior Full Stack Developer

Kanata, ON

We're looking for a passionate Senior Full-Stack Developer who wants to make a difference in a fast ... Web: HTML, Javascript, CSS, React * Backend: Python, Django, Postgres, Redis. * Distributed ...

STACK IT Recruitment

Full Stack Developer

Ottawa, ON · Hybrid

CA$80K - CA$95K/yr

You'll play a key role in modernizing web applications, improving online learning experiences, and ... A strong full-stack developer who enjoys both problem-solving and building * Someone comfortable ...

StackandCo

\n \n \n \n \n Our client is looking for a talented Frontend focused, Full\-Stack Web Developer who enjoys to write high quality, clean code and has experience with multiple CMS. \n \n \n \n \n \n Key ...

StackandCo

\n \n \n \n \n Our client is urgently looking for a talented Frontend focused, Full\-Stack Web Developer who enjoys writing high quality, clean code and has experience with multiple CMS. \n \n \n \n ...

StackandCo

\n \n \n \n \n Our client is urgently looking for a talented Frontend focused, Full\-Stack Web Developer who enjoys writing high quality, clean code and has experience with multiple CMS. \n \n \n \n ...

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Sr Full Stack Web Developer information

What does a Sr Full Stack Web Developer do?

A Sr Full Stack Web Developer is responsible for designing, building, and maintaining both the front-end (client-side) and back-end (server-side) components of web applications. They work with various programming languages, frameworks, and databases to create seamless and efficient user experiences. In addition to coding, they often lead technical projects, mentor junior developers, and help shape the overall architecture of web solutions. Their role requires a deep understanding of both user interface design and server-side logic, ensuring that all parts of a web application function together smoothly.

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

To thrive as a Sr Full Stack Web Developer, you need advanced proficiency in both front-end (e.g., HTML, CSS, JavaScript frameworks) and back-end (e.g., Node.js, Python, databases) development, typically supported by a degree in computer science or related experience. Familiarity with tools such as Git, cloud platforms (AWS, Azure), RESTful APIs, and relevant certifications like AWS Certified Developer are commonly required. Strong problem-solving skills, effective communication, and the ability to mentor junior developers are essential soft skills for this role. These competencies ensure you can deliver robust, scalable solutions while collaborating efficiently within multidisciplinary teams.

How does a Sr Full Stack Web Developer typically collaborate with cross-functional teams during a project lifecycle?

As a Sr Full Stack Web Developer, you will frequently collaborate with UX/UI designers, product managers, QA engineers, and sometimes DevOps specialists throughout a project's lifecycle. You may participate in sprint planning, code reviews, and daily stand-ups, ensuring alignment on project goals and technical requirements. Effective communication is key, as you'll often translate business needs into technical solutions and provide guidance to junior developers. This collaborative environment supports the delivery of robust, user-friendly web applications and fosters professional growth through shared knowledge.

What is the difference between Sr Full Stack Web Developer vs Full Stack Web Developer?

AspectSr Full Stack Web DeveloperFull Stack Web Developer
Required Experience5+ years, leadership skills often expected1-3 years, focus on development skills
ResponsibilitiesDesigning complex systems, mentoring, project leadershipBuilding features, coding, debugging
CertificationsOptional, but advanced certifications valuedEntry to mid-level certifications
Work EnvironmentFast-paced, collaborative teams, often in tech companies

The main difference between a Sr Full Stack Web Developer and a Full Stack Web Developer lies in experience, responsibilities, and leadership. Senior developers typically have more experience, handle complex projects, and mentor others, while full stack developers focus on coding and feature development. Both roles are essential in tech industries, but senior roles require a broader skill set and leadership capabilities.

What are popular job titles related to Sr Full Stack Web Developer jobs in Ontario? For Sr Full Stack Web Developer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Sr Full Stack Web Developer jobs in Ontario look for? The top searched job categories for Sr Full Stack Web Developer jobs in Ontario are:
What cities in Ontario are hiring for Sr Full Stack Web Developer jobs? Cities in Ontario with the most Sr Full Stack Web Developer job openings:
Sr Full Stack Web Developer jobs near you
Infographic showing various Sr Full Stack Web Developer job openings in Ontario as of June 2026, with employment types broken down into 92% Full Time, 4% Part Time, 2% Temporary, and 2% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution.

Full Stack Web Developer

StackandCo

Full-time

Posted 9 days ago

Job description

\n <\/head>\n \n \n
\n The Full Stack Web Developer role is a key role in supporting IT Solutions and leading project development activities. You will work on the analysis, design, development and maintenance of the company's Software systems according to their business needs and requirements.<\/span>
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\n Job Responsibilities<\/u><\/b>
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  • Work closely with the General and IT Managers on related activity for planning, scheduling and software release
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  • Conduct unit and integration testing ensuring that code releases are of high quality with adequate error checking and testing
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  • Taking ownership and proactively following up on defect root causes\- providing timely updates and report information to management
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  • Taking ownership of support, follow up and bring to resolution any outstanding issues
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  • Communicate at all times with all parties involved with regard to status of issues
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  • Follow the company's best practices and adhere to coding standards
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  • Work closely with Business and IT teams to understand requirements
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  • Research, evaluate and recommend new technologies or development tools
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  • Train, when required, team members in product development and methodology.
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    \n <\/div>\n
    \n Job Requirements<\/u><\/b>
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    • 3+ years minimum commercial .NET application development experience (up to ASP.NET 4.5\/4.6 C#)
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    • Experience working with.NET web application development technologies (MVC 5, MVC Identity, Linq, Entity Framework)
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    • Bachelor's degree (or equivalent) in IT studies is required
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    • Experience of working with open source and third\-party platforms, including integration of 3rd party components to .NET web applications
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    • Strong proven experience with web technologies (CSS e.g. Bootstrap,)
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    • HTML5, CSS3, and associated tools \/ best practices
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    • Experience developing and integrating to API's
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    • Experience Preforming Web QA before delivering code
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    • Expert knowledge of object\-oriented programming, unit\-testing and continuous integration
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    • Solid working knowledge of database design, scripting and optimisation with MS SQL Server
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    • Working knowledge of OO Design principles and patterns
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    • Examples of work on GitHub
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    • Experience with WCF
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    • Experience with Javascript, Jscript and JQuery
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    • Microsoft Visual Studio 2015\/2017
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    • Experience \/ knowledge of Responsive Web Design
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    • Experience in the following: Git, Azure, JIRA, Plesk
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    • Experience in Agile development methodology.
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      \n Skills & Key Competencies<\/u><\/b><\/span>
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      • Must be able to operate in a dynamic environment with defined deadlines
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      • Must be a good verbal communicator both face to face and over the telephone
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      • Must be eager to explore and apply latest technologies available on the market
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      • Must have proven problem\-solving skills
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      • Must be able to participate in formal & informal discussions and translate into systems enhancement opportunities.<\/span>
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