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Senior Software Engineer Jobs in Ontario (NOW HIRING)

Senior Software Engineer

Toronto, ON · On-site

CA$140K - CA$220K/yr

Senior Software Engineer, Platform Engineering (Backend, Data & AI) Location: Toronto, ON Work Model: Toronto-based; candidates must be local to Toronto or willing to relocate Why Kaseya? Join a fast ...

Senior Software Engineer

Toronto, ON · On-site

CA$130K - CA$140K/yr

Are you a passionate Senior Software Engineer looking to make a significant impact in the fintech space? Join Curinos, where you will play a pivotal role in shaping the future of B2B SaaS ...

We are looking for an enthusiastic and motivated Senior Software Engineer to join our marketplace teams. This is an excellent opportunity for someone early in their career who is eager to learn and ...

Summary We are growing our engineering team and are looking for an experienced, product-minded Senior Software Engineer to help build and scale our platform. This role is ideal for someone who enjoys ...

CA$140K - CA$210K/yr

We are currently seeking senior software engineers who will design the next generation of network acceleration software. Stay a nanosecond ahead of everyone else by joining our team of engineers in ...

Senior Software Engineer

Toronto, ON · Hybrid

CA$121K - CA$170K/yr

As a Senior Software Engineer reporting to the Sr. Director of Software Development, you'll play a critical role in building the next generation of market data streaming products that empower clients ...

Senior Software Engineer Job Summary: An experienced and strategic Senior Software Engineer to lead complex technical initiatives, mentor team members, and drive architectural and operational ...

As a Senior Software Engineer with Cloud Platform Enablement, you will have an opportunity to be part of a group of people changing how the Bank develops applications, consumes services, and manages ...

Senior Software Engineer Location: Ontario (Hybrid - See "Hybrid Work Details" section below for more information) Position Type: Full-Time Vacancy Status: This posting is for an existing vacancy.

As a Senior Software Engineer, you will play a key technical leadership role within the AutoSync engineering organization. you will design, build, and evolve scalable backend services and user-facing ...

Senior Software Engineer Location: Ontario (Hybrid - See "Hybrid Work Details" section below for more information) Position Type: Full-Time Vacancy Status: This posting is for an existing vacancy.

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Showing results 1-20

Senior Software Engineer information

See Ontario salary details

$66.5K

$123.8K

$176.5K

How much do senior software engineer jobs pay per year?

As of Aug 2, 2026, the average yearly pay for senior software engineer in Ontario is $123,836.00, according to ZipRecruiter salary data. Most workers in this role earn between $103,000.00 and $140,000.00 per year, depending on experience, location, and employer.

Are senior software engineers still in demand?

Senior software engineers remain in high demand due to ongoing digital transformation across industries, with expertise in programming languages, cloud computing, and system architecture highly valued. Companies seek experienced developers to lead projects, improve systems, and implement new technologies, ensuring strong job prospects for senior roles.

What is a good salary for a senior software engineer?

A senior software engineer's salary typically ranges from $100,000 to $160,000 annually, depending on experience, location, and industry. Higher salaries are common in tech hubs and for those with specialized skills in areas like cloud computing or machine learning.

What are Senior Software Engineers?

Senior Software Engineers are experienced professionals who design, develop, and maintain complex software systems. They often lead technical projects, mentor junior team members, and make architectural decisions. Their role involves collaborating with stakeholders to understand requirements, ensuring code quality, and staying up-to-date with the latest technologies. Senior Software Engineers are expected to have strong problem-solving skills and a deep understanding of software development best practices.

What Is a Senior Software Engineer?

A senior software engineer designs, codes, tests, and maintains computer software. While these are your primary responsibilities as a senior software engineer, you may also have supervisory duties. These include overseeing a team of junior software engineers or developers. The senior software engineer title is sometimes used interchangeably with senior developer, and positions for both may share similar job duties and responsibilities. In general, software engineers are distinguished from developers in that software engineers apply engineering principles to software development.

What engineers make $300,000 a year?

Senior Software Engineers with extensive experience, specialized skills in areas like machine learning or distributed systems, and often working at large tech companies or in high-cost-of-living regions can earn $300,000 or more annually. Compensation may include base salary, bonuses, and stock options, especially for those in leadership or highly technical roles.

What are some common challenges Senior Software Engineers face when mentoring junior team members?

Senior Software Engineers often mentor junior colleagues, which can be incredibly rewarding but also presents challenges. Balancing mentorship with project deadlines can be demanding, as it requires strong time management and communication skills. Additionally, adapting explanations to different learning styles and levels of experience can be tricky. However, effective mentorship helps build a stronger team and can lead to enhanced leadership opportunities for the senior engineer.

Can you make $500,000 as a software engineer?

Senior software engineers in high-demand industries or with extensive experience, specialized skills, and working in competitive markets can potentially earn $500,000 or more annually, often through base salary, bonuses, and stock options. Achieving this level typically requires advanced expertise in areas like cloud computing, machine learning, or leadership roles, along with working at large tech companies or startups with significant funding.

What is the difference between Senior Software Engineer vs Software Developer?

AspectSenior Software EngineerSoftware Developer
CredentialsBachelor's or higher in CS or related field; experience often 5+ yearsBachelor's in CS or related field; entry to mid-level experience
Work EnvironmentDesigning complex systems, leading projects, mentoringWriting code, developing features, debugging
Industry UsageUsed across tech companies, startups, enterpriseCommon in software firms, startups, freelance work
Search & ComparisonOften compared for experience level, responsibilitiesCompared for entry-level to mid-level roles

The main difference between a Senior Software Engineer and a Software Developer lies in experience, responsibilities, and scope. Senior Software Engineers typically have more experience, lead projects, and mentor others, while Software Developers focus on coding and feature development. Both roles are essential in tech companies, but the Senior Software Engineer position involves higher-level planning and leadership.

What are the key skills and qualifications needed to thrive as a Senior Software Engineer, and why are they important?

To thrive as a Senior Software Engineer, you need advanced programming skills, deep understanding of software architecture, and several years of experience in software development, often supported by a relevant degree. Familiarity with tools like Git, CI/CD pipelines, cloud platforms, and expertise in technologies such as Java, Python, or JavaScript are typically required. Leadership, problem-solving, and effective communication are crucial soft skills for mentoring teams and collaborating across departments. These skills ensure the delivery of robust, scalable solutions and drive successful project outcomes in complex technical environments.
What are the most commonly searched types of Software Engineer jobs in Ontario? The most popular types of Software Engineer jobs in Ontario are:
What are popular job titles related to Senior Software Engineer jobs in Ontario? For Senior Software Engineer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Senior Software Engineer jobs in Ontario look for? The top searched job categories for Senior Software Engineer jobs in Ontario are:
What cities in Ontario are hiring for Senior Software Engineer jobs? Cities in Ontario with the most Senior Software Engineer job openings:
Infographic showing various Senior Software Engineer job openings in Ontario as of July 2026, with employment types broken down into 97% Full Time, 1% Part Time, and 2% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $123,836 per year, or $59.5 per hour.

Senior Software Engineer (Golang, React)

Applied Systems Canada

Toronto, ON • Remote

Other

Medical, Dental, Vision, PTO

Re-posted 10 days ago


Job description

Canada External Job Ad

Amazing Career Moments Happen Here 

The best work happens when smart people move fast, together. At Applied, we've spent 40+ years building technology that solves real problems for insurance professionals, and we're not slowing down. We're pushing what's possible in Insurtech and doing it inside a culture built on trust, inclusion, and growth. 

The Role at a Glance 

Role: Senior Software Engineer (Golang, React)

Team: Employee Benefits 

Location: Remote

 

Opportunity for Impact 

 

We're looking for a Software Engineer/ Senior Software Engineer (Golang, React) to join our Employee Benefits team and make a real difference for the people who depend on our products every day. You will be developing and maintaining robust web applications and micro services using React and Golang.

As a Software Engineer/Senior Software Engineer, you will collaborate with Architects, Product Owners, and members of a Scrum team to deliver high quality technical solutions. Here, you'll have a voice in how the work gets done, room to try things differently, and the trust to move it forward. 

What You'll Do:

  • Support the team with delivery by sharing comprehensive feedback during code reviews and guidance with complex technical problem solving
  • Contribute to technical decisions by identifying opportunities and risks
  • Share knowledge of software development languages and frameworks as well as  testing strategies 
  • Support with continuous improvement of internal processes and documentation to champion a principles-based approaches to design, implementation, and testing 
  • Collaborate with other teams to identify and develop integration solutions 
  • Champion engineering best practices in the areas of writing code,  unit testing, E2E  testing, performance  testing , CI/CD, observability, and documentation while using available AI tools
  • Identify, diagnose, and resolve performance bottlenecks, reliability issues, and security vulnerabilities
  • Collaborate with product managers and designers to translate business requirements into well-scoped, technically sound solutions
  • Mentor junior and mid-level engineers through pairing, code reviews, and knowledge-sharing sessions

We're Excited to Learn More About You - Software Engineer

If this role sounds like the right next move, we'd love to hear from you. You might bring: 

  • 3+ years of web development experience creating enterprise software using React  
  •  5 + years of professional experience building web applications and web services  
  •  Experience with Golang, C#, TypeScript/JavaScript, Node JS, Kubernetes, PostgreSQL/SQL Server, GCP and Visual Studio Code 
  •  Experience in implementing and consuming GRPC and RESTful services 
  •  Knowledge of Agile frameworks, ideally Scrum, and tools like Jira and Confluence  
  •  Understanding of testing best practices  
  •  Understanding of DevOps and CI/CD with knowledge of Kubernetes 
  •  Knowledge of Cypress and RestSharp to develop and maintain Automated End to End Testing 
  •  Ability to communicate in a team-oriented environment to clarify requirements and deliver solutions within committed timelines  
  •  Ability to provide feedback on coding standards through code reviews  
  •  Proven technical abilities, troubleshooting skills, and research abilities  
  •  Knowledge of using GIT for commits, code reviews, merge conflicts and release tags 
  • Comfortable leveraging AI-assisted development tools (e.g., Claude Code) to accelerate delivery - extensive usage of these tools is expected and encouraged
  • Bachelor's Degree in Computer Science, MIS, or CIS, or equivalent work experience
    • We proudly support and encourage people with military experience, as well as military spouses, to appl

 For the Senior Software Engineer,  you may also have: 

 

  • 8+ years of experience in software engineering, including experience providing guidance and support to members of the team  
  • Demonstrated experience working across software development languages and frameworks, such as C#, .NET, OR Golang, React, as well as JavaScript or TypeScript
  • Passion for continuously expanding knowledge of programming and web development while driving toward principles-based approaches for design, implementation and testing 
  • Advanced knowledge of experience with modern test strategies and quality gating policies within CI/CT/CD pipelines
  • High proficiency with UI and API Testing, with frameworks such as RestSharp and Cypress 
  • Advanced communication skills, with the ability to distill complex concepts to support others with complex problem solving 
  • Demonstrated ability to advance discussions, debates, and reviews on coding and design elements while contributing to positive and constructive communication across the team  
  • Track record of breaking down ambiguous problems, making pragmatic tradeoffs, and delivering high-quality software on schedule
  • Experience writing unit, integration, and end-to-end tests as a first-class part of the development process
  • Prior experience in an Agile/Scrum environment with a track record of consistent sprint delivery

 Talent shows up in a lot of different ways, and we mean that. We welcome candidates from all backgrounds and experience levels, including military members and their spouses and those without a traditional degree or tech background. If this role speaks to you, apply. 

Why You'll Like Working Here 

Our people-first culture means you're seen, supported, and set up to grow. We work across flexible models because we trust our teams to deliver, not just show up. You'll collaborate with people who care about the work and each other, and you'll have leaders who are invested in where you're headed.  

How We'll Support You 

We invest in the whole person, not just the role. Our benefits and resources are built to support your health, your time, and your life outside of work: 

  • Medical, Dental, and Vision Coverage 
  • Holiday and Vacation Time 
  • Health & Wellness Days 
  • A Bonus Day for Your Birthday 

Compensation Transparency 

Our targeted starting base salary in the United States for this position ranges from CAD 70K- 90K for the Software Engineer and CAD 95K - CAD 145K for the Senior Software Engineer. To determine a new team member's starting pay, we consider a variety of factors, including someone's depth, breadth, and variety of experience, skills, and responsibilities. Depending on the role, team members may also be eligible to participate in additional compensation plans such as bonus and commission. 

This position requires the employee to reside and work from one of the following provinces: Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Nova Scotia, Ontario, PEI, Saskatchewan. 

Your Security Matters: Our candidates' personal information and online safety are top of mind for us. At Applied, we proactively protect your personal information and only communicate with candidates via a secure @appliedsystems.com email or through our official careers portal. Recruiters will never request payments, ask for financial account information or sensitive information like social security numbers. 

EEO Statement 

Applied Systems is proud to be an Equal Employment Opportunity Employer. Diversity and Inclusion is a business imperative and is a part of building our brand and reputation. At Applied, we don't discriminate, and we are committed to recruit, develop, retain, and promote regardless of race, religion, color, national origin, sexual orientation, gender identity, disability, age, veteran status, and other protected status as required by applicable law. 

#LI-Remote

#LI -Canada

Employment Type: OTHER