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

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 ...

Trellis

Senior Full Stack Developer

Kanata, ON · On-site

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 ...

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 ...

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 ...

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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?

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 89% Full Time, 7% Part Time, and 4% Contract. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution.

Senior Full Stack Developer

StackandCo

Full-time

Re-posted 21 days ago

Job description

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\n The successful Senior Full Stack Developer will assume ownership for a diversity of greenfield projects and mentor junior developers.<\/span>
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\n This role will involve adding new features, improving the user interface and building web services for clients.<\/span>
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\n As well as this, you will play an important role in an exciting migration project from AngularJS to React.<\/span>
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\n You will actively contribute ideas to enhance performance and scalability, as well as influence the direction of future business.<\/span>
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\n This is an extremely exciting opportunity for an ambitious Full Stack Developer who wants to attain more responsibility, work with cutting edge technologies, and take a step up in their career.<\/span>
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\n The company are committed to working with the most modern technologies, therefore you will be working with a modern tech stack including <\/span><\/span>AWS, JavaScript, HTML5, CSS3, React and Node.js<\/b>.<\/span>
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\n This role will suit any Full stack Developer with a strong desire to constantly upskill and learn. If you haven't worked with Node but are willing to, great.<\/span>
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\n Applications are welcome from any Full stack Developer with a strong engineering mindset and the confidence to pick up new tech fast.<\/span>
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\n Requirements<\/u><\/b>
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  • Minimum 3 (ideally 5) years Full Stack Development experience building applications
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  • 3+ years with Node.js or a similar backend programming language (PHP, C#, Java, Ruby, Python)
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  • 3\-5 years' commercial experience with HTML5, CSS3, JavaScript and JQuery
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  • Experience developing complex single page applications using AngularJS AND\/OR React or other MVC framework (company use Angular and React)
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  • Commercial experience building and maintaining RESTful APIs
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  • E\-commerce experience highly desirable
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  • Experience with Git, Docker, Jenkins
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  • Preference for candidates who have worked with large enterprise applications
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  • Design pattern experience is nice\-to\-have
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  • Strong communication skills essential
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    \n This role will suit a strong team player; someone who enjoys helping others and can build strong rapport quickly.<\/span>
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Apply