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Senior Full Stack Software Engineer Jobs in Ontario

ABL Employment

Full Stack Software Developer

Oakville, ON · Hybrid

CA$80K - CA$90K/yr

Our client is seeking a skilled Full Stack Software Developer with 5+ years of experience to join their team in Oakville. You will be responsible for designing, developing, and maintaining scalable ...

PowerToFly

CA$120K - CA$170K/yr

A leading financial services company is seeking a Full-Stack Software Engineer in Mississauga, Canada. You'll be responsible for full-stack coding and implementing solutions in an Agile environment.

RideCo

Full Stack Software Engineer

Waterloo, ON · Hybrid

CA$100K - CA$140K/yr

As a Full Stack Developer at RideCo, you will contribute to shaping the architecture, design, and ... Degree in Computer Science, Software Engineering, or a related discipline. * 3 - 5 years of ...

Chubb

Senior Full Stack Engineer

Toronto, ON · On-site

Senior Full-Stack Engineer, AI Platform The Opportunity Chubb's AI Platform team is building an ... software engineering experience delivering production systems at meaningful scale * React - deep ...

Invictus Direct

Senior Full Stack Engineer

Toronto, ON · Remote

$125K - $155K/yr

Description: Our client is seeking a Senior Full-Stack Engineer to play a key role in designing ... Proven experience designing scalable software architectures, APIs, database models, authentication ...

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Full Stack Software Developer

Mississauga, ON · On-site

CA$85K/yr

We are seeking a skilled Full Stack Software Developer with 5+ years of professional experience to design, develop, and maintain robust web applications from concept to deployment. In this on-site ...

New

myAbode Inc

Senior Full Stack Engineer

Toronto, ON · On-site

We are now building the next generation of real estate software: AI-native tools that help automate ... Role Overview We're looking for a Senior Full Stack Engineer who is excited to build products in a ...

Manulife

Full Stack Software Engineer

Waterloo, ON · Hybrid

CA$167K/yr

Minimum of 5+ years of experience as a Full Stack Software Engineer * Must have C# or Java experience * Must have Kubernetes experience * Strong understanding of front-end and back-end development ...

Confluence Technologies

... Senior Software Engineer to join one of our core engineering teams, working on a multi-tenant, enterprise platform used by institutional clients. You'll contribute across a modern full stack ...

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All JobsFull Stack Software Engineer JobsSenior Full Stack Software Engineer JobsSenior Full Stack Software Engineer Jobs in Ontario

Senior Full Stack Software Engineer information

See Ontario salary details

$71.5K

$135.6K

$181.5K

How much do senior full stack software engineer jobs pay per year?

As of Aug 8, 2026, the average yearly pay for senior full stack software engineer in Ontario is $135,587.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,500.00 and $152,500.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a senior full stack software engineer?

To thrive as a Senior Full Stack Software Engineer, you need deep expertise in both front-end and back-end development, strong problem-solving abilities, and a solid foundation in computer science principles, typically demonstrated by a bachelor’s or master’s degree in a related field. Familiarity with frameworks and languages like React, Angular, Node.js, Python, and proficiency in using cloud platforms, version control systems like Git, and continuous integration tools is crucial, and relevant certifications are an advantage. Exceptional communication, leadership, and teamwork skills help you effectively coordinate with cross-functional teams and mentor junior engineers. These skills ensure you can deliver robust, scalable solutions while driving project success and fostering a collaborative development environment.

What does a senior full stack software engineer do?

A typical day for a Senior Full Stack Software Engineer involves designing and implementing new features, reviewing and improving code, and collaborating with product managers, designers, and other developers to deliver project goals. You might split your time between writing code for both front-end and back-end systems, participating in daily stand-up meetings, and providing technical guidance to junior team members. The role often requires balancing hands-on development with architectural planning and problem-solving for complex technical challenges. You’ll also frequently interact with stakeholders to gather requirements and provide updates, ensuring alignment throughout the software development lifecycle.

What is a senior full stack software engineer?

A Senior Full Stack Software Engineer is an experienced developer responsible for designing, building, and maintaining both front-end and back-end systems in web or software applications. They work with a variety of technologies, frameworks, and databases to ensure seamless functionality across the entire software stack. In addition to coding, they often provide technical leadership, mentor junior developers, and contribute to architectural decisions. Their role requires strong problem-solving skills, an understanding of best practices, and the ability to collaborate with cross-functional teams to deliver high-quality software solutions.

What are the most commonly searched types of Full Stack Software Engineer jobs in Ontario? The most popular types of Full Stack Software Engineer jobs in Ontario are:
What are popular job titles related to Senior Full Stack Software Engineer jobs in Ontario? For Senior Full Stack Software Engineer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Senior Full Stack Software Engineer jobs in Ontario look for? The top searched job categories for Senior Full Stack Software Engineer jobs in Ontario are:
What cities in Ontario are hiring for Senior Full Stack Software Engineer jobs? Cities in Ontario with the most Senior Full Stack Software Engineer job openings:
Senior Full Stack Software Engineer jobs near you
Infographic showing various Senior Full Stack Software Engineer job openings in Ontario as of August 2026, with employment types broken down into 88% Full Time, 8% Part Time, and 4% Contract. Highlights an 88% Physical, 3% Hybrid, and 9% Remote job distribution, with an average salary of $135,587 per year, or $65.2 per hour.

Senior Full Stack Developer (Node.js + React.js)

STACK IT Recruitment

Guelph, ON • On-site

Full-time

Posted 15 days ago

Job description

Build scalable SaaS solutions that make a real-world impact as a Senior Full Stack Developer (Node.js + React)

We're partnering with an established software company looking for a Senior Full Stack Developer to join a small, highly collaborative product team developing enterprise web applications used by organizations across the education, telecom and goverment sectors.

This role is ideal for someone who enjoys owning features from design through deployment. You'll work across the full stack using React on the frontend and Node.js on the backend, building REST APIs, integrating messaging services, designing microservices, and contributing to architectural decisions that shape the long-term direction of the platform.