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Senior Full Stack Software Engineer Jobs in Ontario

Aversan

Senior Full Stack Developer

Mississauga, ON

CA$110K - CA$140K/yr

Senior Full Stack Software Engineer Aversan Inc.(www.aversan.com) is a trusted multi-service engineering and electronics manufacturing company. Aversan delivers leading-edge and reliable safety ...

Manulife

Senior Full-Stack Software Engineer

Toronto, ON · On-site

CA$113K - CA$163K/yr

We are seeking a Senior FullStack Software Engineer to join our team to design, build, and support ... full stack software development * Professional experience as a fullstack or software engineer ...

Manulife

Senior Full Stack Software Engineer

Waterloo, ON · On-site

CA$107K - CA$199K/yr

We are seeking a Senior .NET Full Stack Engineer to build and deliver scalable, enterprise-grade ... Strong understanding of software engineering best practices (design patterns, secure coding ...

Manulife

Senior Full-Stack Software Engineer

Waterloo, ON · On-site

CA$113K - CA$163K/yr

We are seeking a Senior FullStack Software Engineer to join our team to design, build, and support ... full stack software development * Professional experience as a fullstack or software engineer ...

hireVouch

Sr Full Stack SW Eng

Toronto, ON

Senior Full Stack Software Engineer Our client is looking for an experienced software engineer with a founder mindset to take a critical role in our rapidly growing early-stage startup. We believe ...

Adaria Vending Services Limited

Full Stack Software Engineer Adaria Technology Innovations - Concord, ON (On-site) Adaria Technology Innovations is looking for a Full Stack Software Engineer to join our growing team in Concord ...

Brickeye

Senior Full Stack Software Engineer

Toronto, ON · On-site

CA$130K - CA$160K/yr

The Engineer We're Looking For We're looking for a talented Full Stack Engineer who loves solving ... Software bugs in construction can mean physical harmyour code needs to be bulletproof * ROI ...

Brickeye

Senior Full Stack Software Engineer

Toronto, ON · On-site

$130K - $160K/yr

The Engineer We're Looking For We're looking for a talented Full Stack Engineer who loves solving ... Software bugs in construction can mean physical harm-your code needs to be bulletproof * ROI ...

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All 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 Jun 28, 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 in the Senior Full Stack Software Engineer position, and why are they important?

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.

How much do senior full stack software engineers make?

Senior full stack software engineers typically earn between $100,000 and $160,000 annually, depending on experience, location, and company size. They often possess skills in multiple programming languages, frameworks, and tools, and may receive additional compensation such as bonuses or stock options.

What engineer makes $500,000 a year?

Senior Full Stack Software Engineers with extensive experience, specialized skills in multiple programming languages, and working at large tech companies or in high-cost-of-living areas can earn $500,000 or more annually. Compensation often includes base salary, bonuses, and stock options, especially in competitive markets or executive-level roles.

What engineers make $300,000 a year?

Senior full stack software engineers can earn $300,000 or more annually, especially with extensive experience, specialized skills in technologies like cloud computing or AI, and working at large tech companies or startups with competitive compensation packages. High earnings often include base salary, bonuses, and stock options, and may require advanced certifications and a strong track record of project delivery.

What does a typical workday look like for a Senior Full Stack Software Engineer?

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 job?

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.

Is full stack worth it in 2026?

For a Senior Full Stack Software Engineer, full stack development remains valuable in 2026 due to ongoing demand for versatile developers skilled in both front-end and back-end technologies, including frameworks like React and Node.js. Staying current with cloud platforms, DevOps practices, and continuous learning enhances career prospects in this field.
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

Senior Full Stack Developer

Aversan

Mississauga, ON

CA$110K - CA$140K/yr

Other

Posted 5 days ago

Job description

Senior Full Stack Software Engineer
Aversan Inc.(www.aversan.com) is a trusted multi-service engineering and electronics manufacturing company. Aversan delivers leading-edge and reliable safety-critical electronics and software systems to the aerospace, defence, and space industries.
We are seeking a qualified Senior Full Stack Software Engineer to join our team. In this role, you will lead the design, development, and validation of ground control software, simulators, and test tools that support critical mission systems. The ideal candidate brings deep experience in modern web-based software development, system architecture, and technical leadership, combined with a passion for mentoring and delivering highquality, missioncritical solutions in complex aerospace environments.
Location: Mississauga, ON
Job Type: Full Time
Working Arrangement: HybridResponsibilities
  • Lead the design and development of ground control software, simulators, and test tools for space-based robotic systems
  • Design modular, extensible, testable, and efficient software architecture
  • Produce clear, accurate, and well-structured technical documentation
  • Lead and participate in the implementation, integration, and testing of software solutions
  • Conduct code, design, and technical reviews for both senior and junior engineers
  • Mentor and develop junior team members through coaching, technical discussions, and review of work products
  • Lead task estimation and support technical planning activities
  • Collaborate with other senior engineers and management to define, evolve, and enforce coding standards, tools, and development processes
  • Work within an Agile development environment
  • Perform other duties as assigned by management or technical leadership
Basic Qualifications
  • Bachelor's degree in software, Computer, or Electrical Engineering or Computer Science
  • 10+ years of relevant software engineering experience
  • Proven ability to design and implement software solutions on Windows and/or Linux platforms
  • Strong frontend development experience
  • Demonstrated Experience with:
    • JavaScript
    • Angular (required)
    • ReactJS (used in Storybook)
    • C# / ASP.NET Core
    • CSS
    • HTML
    • .Net Technologies
    • UX Design
  • Experience working with and designing relational and non-relational data leveraging:
    • SQL (MSSQL, Postgres) Entity Framework, LINQ
    • NoSQL (Mongo, Couchbase)
    • Cache technologies (Redis)
    • ETL
    • Automated testing
    • Agile development environment
    • Strong written/verbal communication skills
    • Strong analytical and problem-solving skills
  • Experience with automated testing frameworks
  • Comfortable working in an Agile development environment
  • Strong written and verbal communication skills
  • Excellent analytical and problem solving abilities
  • Highly motivated, enthusiastic, and positive team player
  • Ability to obtain and maintain Reliability Status security clearance, including Controlled Goods Program (CGP) and ITAR compliance

Compensation:$110,000-$140,000 CAD
The base salary or rate offered to an applicant within this range is determined by considering several factors, including the individual's geographic location, skills, competencies, and unique qualifications. This ensures compensation is fair and aligned with the specific requirements and attributes of each candidate.
Vacancy Status:This posting is for an existing vacancy.
AI in Hiring:We use AI tools to assist with application management (e.g., organizing submissions and surfacing potentially relevant qualifications). AI is not used to make hiring decisions. All decisions are made by our hiring managers and recruitment team. Our use of AI is governed by security and privacy risk assessments aligned with our cybersecurity framework.

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