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

Project XIII Inc

The Opportunity The Senior Full Stack / Front End Developer will contribute to a major digital transformation initiative focused on modernizing enterprise systems and improving citizen-facing digital ...

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 \n As well as this, you will play an ...

Konrad

Senior Full Stack Developer

Toronto, ON · Hybrid

CA$120K - CA$145K/yr

About The Role As a Senior Full Stack Developer you'll be tasked with working on web application development. Working within the software development team, your duties will require you to assist in ...

Konrad

Senior Full Stack Developer

Toronto, ON · Hybrid

CA$120K - CA$145K/yr

About The Role As a Senior Full Stack Developer you'll be tasked with working on web application development. Working within the software development team, your duties will require you to assist in ...

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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.

Digital Commerce Developer (Full Stack)

Mississauga, ON • On-site

Chatters Limited Partnerships
1 - 5K employees
Learn more about Chatters Limited Partnershipsexternal

CA$75K - CA$85K/yr

Full-time

Posted 27 days ago

Job description

About Chatters
We are the leading beauty hair retailer and salon in Canada. With over 115 locations and a catalog of 6,000+ products, we are on a mission to make our clients and customers look and feel their best. At Chatters, we are transforming how Canadians experience beauty — blending in-salon expertise, retail convenience, and ecommerce innovation. As we grow, we are evolving our supply chain to deliver faster, smarter, and more efficiently to our customers and partners across the country.
Position Summary
The Digital Commerce Developer (Full Stack) is responsible for broad application development across front-end and back-end technologies, with a primary focus on web applications and eCommerce and occasional exposure to mobile development.
This role develops, integrates, and enhances Chatters' digital commerce platforms, translating business and UI/UX requirements into scalable web solutions while building internal capability alongside external partners.
Key Responsibilities
Full-Stack Development & Digital Commerce
  • Develop and support full-stack web applications, integrations, and digital customer experiences, with opportunities to contribute to mobile experiences where relevant.
  • Develop, integrate, and enhance Chatters' digital commerce platforms across front-end and back-end technologies.
  • Translate business and UI/UX requirements into scalable, maintainable technical solutions.
Systems Integration & APIs
  • Build and maintain API integrations with enterprise systems, including ERP (Microsoft Business Central), eCommerce, CRM, loyalty, payment, booking, and third-party services.
  • Support reliable data flow and connectivity between digital commerce applications and enterprise platforms.
Application Optimization & Support
  • Support the ongoing enhancement and optimization of web applications and digital customer experiences.
  • Perform testing, deployment, troubleshooting, and issue resolution to support application performance, security, and reliability.
  • Identify opportunities to improve application functionality, scalability, maintainability, and user experience.
Collaboration & Delivery
  • Work with business stakeholders to understand requirements and translate them into effective technical solutions.
  • Collaborate with UI/UX, business, and technical partners throughout the development lifecycle.
  • Work alongside external partners while helping strengthen internal development knowledge and capability.
  • Contribute to Agile delivery practices, Git-based source control, and CI/CD processes.

Qualifications 
  • 2–3 years of experience as a Full Stack Developer, Web Developer, or in a similar application development role.
  • Experience with Adobe Commerce (Magento) or a similar eCommerce platform.
  • Knowledge of REST and GraphQL APIs, systems integrations, HTML, CSS, JavaScript, and modern web frameworks.
  • Working knowledge of front-end technologies including HTML5, CSS3, JavaScript/TypeScript, React, Vue.js, or similar frameworks.
  • Strong understanding of UI/UX principles and Agile development practices.
  • Exposure to mobile application development or mobile frameworks is considered an asset, but is not required.
  • Experience working in Agile delivery teams using Git-based source control and CI/CD practices.
What You'll Bring
  • A full-stack mindset with the ability to work across front-end and back-end application development.
  • Strong problem-solving and troubleshooting skills with a focus on performance, security, and reliability.
  • The ability to translate business and UI/UX requirements into practical, scalable technical solutions.
  • A collaborative approach to working with internal stakeholders and external development partners.
  • Strong attention to detail and a commitment to building high-quality digital customer experiences.
  • Curiosity, adaptability, and a continuous improvement mindset.
Ready to help us build the future of beauty? If you’re resourceful, outgoing, and ready to work hard in a fun environment, we want to hear from you!
How to Apply
Ready to join our community? Submit your online application and check us out at https://chatters.ca/

This is a hybrid opportunity (4 days in office); Salary Range for this position is $75,000-$85,000


Chatters prioritizes diversity, equity and inclusion because we know it will make our company a better place to work and shop. We are committed to creating accessible environments for our team members, candidates, and customers. Requests for accommodation due to a disability (which may be visible or invisible, temporary or permanent) can be made at any stage of application and employment. We encourage candidates to make their accommodation needs known so that we can provide equitable opportunities.
 

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