ZipRecruiter

Log In

1

Senior Full Stack Software Engineer Jobs in Ontario

Manulife

Associate Full Stack Software Engineer

Toronto, ON · Hybrid

CA$69K - CA$115K/yr

The Group Benefits team is looking for a passionate Associate Full Stack Software Engineer with an ... Work with product owners, architects and senior engineers across the full software development ...

StackandCo

\n \n \n \n \n The successful Senior Full Stack Developer will assume ownership for a diversity of greenfield projects and mentor junior developers. \n \n \n \n \n \n This role will involve adding new ...

Netsweeper Inc.

Senior Full Stack Developer

Waterloo, ON · On-site +1

Netsweeper Inc is a software and SaaS company that is passionate about creating innovative solutions to real-world problems. We're looking for a talented Senior Full Stack Developer to join our team ...

Quantiphi, Inc.

Full Stack Developer

Toronto, ON · Remote

Full Stack Software Developer Experience Level: 5-10 yrs Work Location: US East/Canada (Remote) Role Overview: We're looking for a Full Stack Software Developer to design and build scalable, high ...

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 ... Our software platform currently supports marketplaces like Amazon and Google Shopping. With over 8M ...

eBay

Elevate AI systems at eBay as a Senior Full Stack Engineer (MTS 2). This role focuses on developing ... in software or AI engineering • 4+ years in AI systems deployment • Experience in leading ...

KEV Group

Senior Full Stack Engineer

Toronto, ON · On-site

Who We Are At KEV, we build mission-critical financial software for K-12 schools on a massive scale ... We are hiring a Senior Developer to help design, evolve, and scale the core systems that power KEV ...

previous page

Showing results 41-60

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 SoftwareEngineer

Signal 1

Toronto, ON

Full-time

Re-posted 16 days ago

Job description

Position Description:Senior Full Stack SoftwareEngineer

Reporting to:Director of Application Engineering

Signal 1 helps health systems accelerate AI adoption with a category defining technology platform. Signal 1's first product, the AI Management System (AIMS), gives health system leaders visibility and control across their growing AI portfolios. AIMS offers comprehensive oversight of predictive and generative AI applications and introduces guardrails to mitigate downside risks. It sets the standard for Responsible AI in healthcare. Purpose-built for healthcare and informed by years of experience managing AI at scale in other industries, Signal 1 empowers healthcare organizations to translate innovation into real clinical, operational, and financial outcomes.
Signal 1 is a 30-person, well-funded and rapidly growing startup with strong product market fit and deployments at a growing number of top-20 US health systems.

We are looking for a Senior Full StackSoftwareEngineer to join our Application Engineering Team. You will:

  • Build and evolve the frontend and backend of the Signal 1 AI Management System.
  • Drive software architecture design andestablishmodern engineering practices thatleverageAI-assisted development to raise quality and velocity.
  • Break down ambiguous, high-level problems into concrete technical solutions and engineering plans.
  • Work autonomously and collaboratively with Product, Design, ML, Security,Infrastructureand other engineering teams.


Required Qualifications:


  • Bachelor's degreein Computer Scienceor equivalent practical experience.
  • 5+ years of software development experience.
  • 2+ years of experience shipping user-facing products-you care about building things that are genuinely useful, not just visually polished.
  • Strong systemdesign and software architecture skills-you canownend-to-end technical decisions.
  • Strong problem-solving skills and ability to work with ambiguity.
  • Hands-on experience with AI coding tools (e.g.Claude) and a strong willingness to integrate them into daily workflows.


Preferred Qualifications:


  • Experience with TypeScript, React, Chart.js, Java 21, Spring Boot, Postgres, or any equivalent modern technologies.
  • You have workedinstartup environments and shipped products from 0 to 1.
  • You are passionate about great user experiences and data visualization.
  • Pragmatic mindset-you prioritize speed and business impact over unnecessary technical complexity.
  • Prior experience in working with AI and/or in healthcare.

Apply