Senior Full Stack SoftwareEngineer Reporting to:Director of Application Engineering Signal 1 helps ... Drive software architecture design andestablishmodern engineering practices thatleverageAI-assisted ...
Senior Full Stack SoftwareEngineer Reporting to:Director of Application Engineering Signal 1 helps ... Drive software architecture design andestablishmodern engineering practices thatleverageAI-assisted ...
Build and Modernize Enterprise Web Applications as a Senior Full Stack Developer (PHP & React) We're partnering with an established software company seeking a Senior Full Stack Developer to help ...
Quick apply
Build and Modernize Enterprise Web Applications as a Senior Full Stack Developer (PHP & React) We're partnering with an established software company seeking a Senior Full Stack Developer to help ...
Senior Full Stack Developer (PHP + React.js)
Waterloo, ON · On-site +1
CA$110K - CA$130K/yr
Build and Modernize Enterprise Web Applications as a Senior Full Stack Developer (PHP & React) We're partnering with an established software company seeking a Senior Full Stack Developer to help ...
Senior Full Stack Developer (PHP + React.js)
Waterloo, ON · On-site +1
CA$110K - CA$130K/yr
Build and Modernize Enterprise Web Applications as a Senior Full Stack Developer (PHP & React) We're partnering with an established software company seeking a Senior Full Stack Developer to help ...
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 ...
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 ...
As a Senior Full Stack Software Developer operating within an Agile team, your primary role will be ... We are looking for a highly motivated, top-notch software engineer who is a great team player ...
As a Senior Full Stack Software Developer operating within an Agile team, your primary role will be ... We are looking for a highly motivated, top-notch software engineer who is a great team player ...
Senior Full Stack Developer (PHP + React.js)
Guelph, ON · On-site
CA$110K - CA$130K/yr
Build and Modernize Enterprise Web Applications as a Senior Full Stack Developer (PHP & React) We're partnering with an established software company seeking a Senior Full Stack Developer to help ...
Quick apply
Senior Full Stack Developer (PHP + React.js)
Guelph, ON · On-site
CA$110K - CA$130K/yr
Build and Modernize Enterprise Web Applications as a Senior Full Stack Developer (PHP & React) We're partnering with an established software company seeking a Senior Full Stack Developer to help ...
Senior Full Stack Developer (PHP + React.js)
Kitchener, ON · On-site +1
CA$110K - CA$130K/yr
Build and Modernize Enterprise Web Applications as a Senior Full Stack Developer (PHP & React) We're partnering with an established software company seeking a Senior Full Stack Developer to help ...
Senior Full Stack Developer (PHP + React.js)
Kitchener, ON · On-site +1
CA$110K - CA$130K/yr
Build and Modernize Enterprise Web Applications as a Senior Full Stack Developer (PHP & React) We're partnering with an established software company seeking a Senior Full Stack Developer to help ...
Senior Full Stack Developer (PHP + React.js)
Cambridge, ON · On-site
CA$110K - CA$130K/yr
Build and Modernize Enterprise Web Applications as a Senior Full Stack Developer (PHP & React) We're partnering with an established software company seeking a Senior Full Stack Developer to help ...
Quick apply
Senior Full Stack Developer (PHP + React.js)
Cambridge, ON · On-site
CA$110K - CA$130K/yr
Build and Modernize Enterprise Web Applications as a Senior Full Stack Developer (PHP & React) We're partnering with an established software company seeking a Senior Full Stack Developer to help ...
Associate Full Stack Software Engineer
Waterloo, 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 ...
Associate Full Stack Software Engineer
Waterloo, 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 ...
\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 ...
\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 ...
Senior Software Engineer, Full-Stack Applications - Ratings Technology As one of the world's top three credit ratings agencies, Fitch Ratings plays a critical role in global capital markets by ...
Senior Software Engineer, Full-Stack Applications - Ratings Technology As one of the world's top three credit ratings agencies, Fitch Ratings plays a critical role in global capital markets by ...
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 ...
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 ...
Senior Software Engineer, Full-Stack Applications - AI Innovation Teams As one of the world's top three credit ratings agencies, Fitch Ratings plays a critical role in global capital markets by ...
Senior Software Engineer, Full-Stack Applications - AI Innovation Teams As one of the world's top three credit ratings agencies, Fitch Ratings plays a critical role in global capital markets by ...
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 ...
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 ...
Full Stack Software Engineer, Officer
CA$67K - CA$109K/yr
Summary: Join the Wealth Management engineering team building full-stack features that power ... software in a collaborative Agile team. Responsibilities: * Under modest supervision, design ...
Full Stack Software Engineer, Officer
CA$67K - CA$109K/yr
Summary: Join the Wealth Management engineering team building full-stack features that power ... software in a collaborative Agile team. Responsibilities: * Under modest supervision, design ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
About the Role As a Senior Full Stack Software Engineer in Agent Factory, you'll help build the user-facing and platform experiences that bring Workday's AI agents to life. Working within a small ...
About the Role As a Senior Full Stack Software Engineer in Agent Factory, you'll help build the user-facing and platform experiences that bring Workday's AI agents to life. Working within a small ...
Senior Software Engineer (Full-Stack JavaScript)
CA$90K - CA$132K/yr
The Role We are seeking a Senior Software Engineer with full-stack JavaScript experience to join the Central Technology Web Development team in support of Morningstar's Corporate Marketing. This ...
Senior Software Engineer (Full-Stack JavaScript)
CA$90K - CA$132K/yr
The Role We are seeking a Senior Software Engineer with full-stack JavaScript experience to join the Central Technology Web Development team in support of Morningstar's Corporate Marketing. This ...
Senior Full Stack Software Engineer information
See Ontario salary details
$71.5K - $81.5K
1% of jobs
$81.5K - $91.5K
2% of jobs
$91.5K - $101.5K
4% of jobs
$101.5K - $111.5K
8% of jobs
$118.8K is the 25th percentile. Wages below this are outliers.
$111.5K - $121.5K
13% of jobs
$121.5K - $131.5K
16% of jobs
The median wage is $134.9K / yr.
$131.5K - $141.5K
17% of jobs
$150.3K is the 75th percentile. Wages above this are outliers.
$141.5K - $151.5K
16% of jobs
$151.5K - $161.5K
8% of jobs
$161.5K - $171.5K
8% of jobs
$171.5K - $181.5K
6% of jobs
$71.5K
$135.6K
$181.5K
How much do senior full stack software engineer jobs pay per year?
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.

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.