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Senior Full Stack Developer Jobs in Ontario (NOW HIRING)

Dawninfotek

Senior FullStack Developer Senior Full Stack Developer Work Model: Hybrid - 3 days onsite in Toronto, Ontario About Dawn InfoTek Inc. Dawn InfoTek Inc. is an IT consulting firm that partners with ...

United States Digital Space LLC

You Are: UST is searching for a Senior Full Stack Developer - Angular with strong Front End expertise to help build and scale high impact digital platforms used by millions of users. This is an ...

StackandCo

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 ...

StackandCo

Senior Full Stack Developer

Galway, NY · On-site

\n \n \n \n \n My client, a world renowned, fortune 500 fintech company are seeking a full stack developer to join their team. \n \n \n \n \n \n Role Overview The primary responsibility of the full ...

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

Join the innovative team at Konrad as a Senior Full Stack Developer. Work on cutting-edge web applications built with Java and Spring Boot in a collaborative culture. This position is ideal for ...

Black Pen Recruitment

The Senior Full Stack Developer acts as a liaison between development teams and clients, working closely with software developers and other stakeholders. Job Location : Sliema, Malta Work Type

StackandCo

\n \n \n \n \n Role Overview The primary responsibility of the full stack developer, in collaboration with a multidisciplinary delivery team, will be the design and development of software ...

Teranet

CA$120K - CA$143K/yr

## Senior Full-Stack DeveloperApplylocations: Torontotime type: Full timeposted on: Posted 5 Days ... Develop and test software across multiple programming languages, frameworks, and environments.

Moneris

Senior Full Stack Developer

Toronto, ON · On-site +1

CA$100K - CA$142K/yr

Senior Full Stack Developer Design and build secure, scalable backend services, integrations, and content-driven frontends that unify SaaS platforms, enterprise systems, and AI capabilities into ...

Priceline

Senior Full-Stack Developer

Toronto, ON · Hybrid

CA$140K - CA$160K/yr

Senior Full-Stack Engineer (Applied AI) Our Technology team is the backbone of our company: constantly creating, testing, learning and iterating to better meet the needs of our customers. If you ...

Priceline.com LLC

Senior Full-Stack Developer

Toronto, ON · Hybrid

CA$140K - CA$160K/yr

Senior Full-Stack Engineer (Applied AI) Our Technology team is the backbone of our company: constantly creating, testing, learning and iterating to better meet the needs of our customers. If you ...

Quartermaster Inc.

Senior Full Stack Developer

Toronto, ON · On-site

CA$150K - CA$190K/yr

ROLE SALARY BAND $150,000 - $190,000 ROLE OVERVIEW The Senior Full stack Developer is a key contributor responsible for delivering high-quality, scalable software across the frontend and backend.

Lifeworks

Senior Full Stack Developer

Toronto, ON · On-site

CA$100K - CA$140K/yr

... full-stack development * Advanced proficiency in frontend technologies: HTML5, CSS, JavaScript ... Hands-on DevOps practices and infrastructure-as-code * Octopus Deploy experience for cloud ...

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Showing results 21-40

All JobsFull Stack Developer JobsSenior Full Stack Developer JobsSenior Full Stack Developer Jobs in Ontario

Senior Full Stack Developer information

See Ontario salary details

$51.5K

$126.2K

$183.5K

How much do senior full stack developer jobs pay per year?

As of Sep 2, 2026, the average yearly pay for senior full stack developer in Ontario is $126,159.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,000.00 and $145,500.00 per year, depending on experience, location, and employer.

What is a senior full stack developer?

Senior Full Stack Developers are experienced professionals who design, develop, and maintain both the front-end and back-end components of web applications. They are proficient in multiple programming languages and frameworks, enabling them to handle servers, databases, APIs, and user interfaces. In addition to coding, they often lead development teams, make architectural decisions, and ensure software quality and scalability. Their expertise allows them to oversee the entire application lifecycle, from concept to deployment.

How does a senior full stack developer typically collaborate with cross-functional teams during a project lifecycle?

As a Senior Full Stack Developer, you'll frequently collaborate with designers, product managers, QA engineers, and other developers to deliver end-to-end solutions. You'll be involved in requirements discussions, offer technical guidance, and help align frontend and backend development with business goals. Your role often includes code reviews, mentoring junior team members, and ensuring seamless integration across various systems. This collaborative environment encourages knowledge sharing and innovation while ensuring project success.

What are the key skills and qualifications needed to thrive as a senior full stack developer, and why are they important?

To thrive as a Senior Full Stack Developer, you need advanced proficiency in both front-end and back-end programming languages, frameworks, and a solid understanding of software architecture, usually supported by a relevant degree and several years of experience. Mastery of tools such as Git, Docker, CI/CD systems, and cloud platforms like AWS or Azure is typically required, alongside familiarity with databases and version control systems. Strong problem-solving abilities, leadership, effective communication, and collaboration skills set exceptional developers apart. These skills and qualities are crucial for delivering robust, scalable solutions while mentoring teams and efficiently bridging gaps between client requirements and technical implementation.

What is the difference between Senior Full Stack Developer vs Backend Developer?

AspectSenior Full Stack DeveloperBackend Developer
Required SkillsProficiency in both frontend and backend technologies, such as JavaScript, HTML, CSS, and server-side languages like Node.js, Python, or JavaSpecialized in server-side development, working with languages like Java, Python, Ruby, or PHP, and database management
Work EnvironmentCollaborates across frontend and backend teams, often involved in full project lifecycleFocuses primarily on backend systems, APIs, and database integration
Common UsageUsed in roles requiring full project oversight and versatile development skillsUsed in roles focused on server-side logic, database management, and API development

The main difference is that a Senior Full Stack Developer handles both frontend and backend development, providing a comprehensive approach to projects, while a Backend Developer specializes solely in server-side logic and database management. Both roles require strong programming skills, but the Full Stack Developer's expertise spans the entire technology stack.

What are the most commonly searched types of Full Stack Developer jobs in Ontario?

The most popular types of Full Stack Developer jobs in Ontario are:

What are popular job titles related to Senior Full Stack Developer jobs in Ontario?

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

What job categories do people searching Senior Full Stack Developer jobs in Ontario look for?

The top searched job categories for Senior Full Stack Developer jobs in Ontario are:

What cities in Ontario are hiring for Senior Full Stack Developer jobs?

Cities in Ontario with the most Senior Full Stack Developer job openings:

Senior Full Stack Developer jobs near you
Infographic showing various Senior Full Stack Developer job openings in Ontario as of August 2026, with employment types broken down into 100% Full Time. Highlights an 80% In-person, and 20% Remote job distribution, with an average salary of $126,159 per year, or $60.7 per hour.

Senior FullStack Developer

Dawninfotek

Hybrid

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Senior FullStack Developer

Senior Full Stack Developer

Work Model: Hybrid - 3 days onsite in Toronto, Ontario

About Dawn InfoTek Inc.

Dawn InfoTek Inc. is an IT consulting firm that partners with leading Canadian banks, investment firms, and government organizations. We are looking for an experienced Senior Full Stack Developer to join our team and support one of our major banking clients.

This is an excellent opportunity to work on large-scale enterprise applications using modern technologies in a collaborative environment.

Responsibilities
  • Design, develop, test, and support full-stack applications.
  • Build customer-facing and internal web applications.
  • Develop RESTful APIs and microservices.
  • Support batch processing, data migration, and reporting.
  • Build cloud-based applications using AWS.
  • Write clean, secure, and maintainable code.
  • Troubleshoot and resolve application issues.
  • Participate in code reviews and technical design discussions.
  • Work closely with business analysts, architects, QA, DevOps, and other team members.
  • Contribute to CI/CD and application deployment processes.
Required Skills
  • Strong experience with Java and Spring Boot .
  • Experience developing REST APIs and Microservices .
  • Experience with AWS Lambda and AWS cloud services.
  • Experience with Node.js , TypeScript , JSP , and JSF .
  • Proficiency in at least one scripting language such as Python , Bash , Ruby , or Go .
  • Experience with Docker , Kubernetes , Git , and GitHub/GitLab .
  • Strong knowledge of SQL , Oracle , and Amazon DynamoDB .
  • Experience building scalable enterprise applications.
  • Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience).
  • Strong problem-solving, communication, and teamwork skills.
  • Experience working in an Agile environment.
Nice to Have
  • Experience with CI/CD tools such as Jenkins, GitHub Actions, GitLab CI, or Azure DevOps.
  • Experience with monitoring tools such as Splunk, Dynatrace, CloudWatch, Prometheus, or Grafana.
  • Knowledge of OAuth2, JWT, or SAML authentication.
  • Experience in banking or other financial services.
  • Experience mentoring junior developers.
Why Join Dawn InfoTek?
  • Work with one of Canada's leading financial institutions.
  • Be part of large-scale digital transformation projects.
  • Collaborative and supportive team environment.
  • Hybrid work model.
  • Opportunity to work with modern technologies and grow your career.
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