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Senior Full Stack Developer Jobs in Toronto, ON (NOW HIRING)

1Valet

Senior Full-Stack Developer

Toronto, ON · Remote

Senior Full-Stack Developer Location: Ottawa, ON (Remote) About the Role We are looking for a Senior Full-Stack Developer to join one of our development squads and help build new features for the ...

CDM Smith

Senior Full Stack Developer

Toronto, ON · Remote

Trinnex, a wholly owned subsidiary of CDM Smith, is looking for a Senior Full Stack Developer to join our growing Digital Solutions team. You'll work on modern, highimpact applications that bring ...

Scribendi

Senior Full Stack Developer

Toronto, ON · On-site

Scribendi is seeking a Senior Full-Stack Engineer to build AI-driven products that empower researchers worldwide. You will work across the full stack to deliver scalable, high-performance ...

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 ...

Hays

Full Stack Engineer

Toronto, ON

Java Full Stack Developer Location: Toronto, ON Type: Contract Rate: CAD50/hr - CAD60/hr We are looking for an experienced Senior Full Stack Developer with strong hands-on expertise in Angular Java ...

Klick Health

Senior Full-Stack Developer

Toronto, ON · Hybrid

The Senior Full Stack Developer contributes across the development lifecycle--architecture, implementation, deployment, and optimization--while collaborating with multifunctional partners to deliver ...

Klick

Senior Full-Stack Developer

Toronto, ON

CA$100K - CA$130K/yr

The Senior Full Stack Developer contributes across the development lifecycle--architecture, implementation, deployment, and optimization--while collaborating with multifunctional partners to deliver ...

Konrad

Senior Full Stack Developer

Toronto, ON · Hybrid

CA$120K - CA$145K/yr

About The Role As a Senior Full Stack Developer you'll be tasked with working on web application development. Working within the software development team, your duties will require you to assist in ...

Konrad

Senior Full Stack Developer

Toronto, ON · Hybrid

CA$120K - CA$145K/yr

About The Role As a Senior Full Stack Developer you'll be tasked with working on web application development. Working within the software development team, your duties will require you to assist in ...

Tangentia

Senior Full stack Engineer

Toronto, ON · Hybrid

Senior Full stack Engineer Location : Toronto, On 4 days in Office and 1 day WFH Experience * 5+ ... Strong understanding of REST APIs, OpenAPI specifications, and software design patterns . DevOps * ...

Tangentia

Senior Full stack Engineer

Toronto, ON · Hybrid

Senior Full stack Engineer Location : Toronto, On 4 days in Office and 1 day WFH Experience * 5+ ... Strong understanding of REST APIs, OpenAPI specifications, and software design patterns . DevOps * ...

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Senior Full Stack Developer information

See Toronto, ON salary details

$49.1K

$120.4K

$175.1K

How much do senior full stack developer jobs pay per year?

As of May 29, 2026, the average yearly pay for senior full stack developer in Toronto, ON is $120,398.00, according to ZipRecruiter salary data. Most workers in this role earn between $99,251.00 and $138,856.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Full Stack Developer, and why are they important?

To thrive as a Senior Full Stack Developer, you need advanced proficiency in both front-end and back-end programming languages, frameworks, and a solid understanding of software architecture, usually supported by a relevant degree and several years of experience. Mastery of tools such as Git, Docker, CI/CD systems, and cloud platforms like AWS or Azure is typically required, alongside familiarity with databases and version control systems. Strong problem-solving abilities, leadership, effective communication, and collaboration skills set exceptional developers apart. These skills and qualities are crucial for delivering robust, scalable solutions while mentoring teams and efficiently bridging gaps between client requirements and technical implementation.

How does a Senior Full Stack Developer typically collaborate with cross-functional teams during a project lifecycle?

As a Senior Full Stack Developer, you'll frequently collaborate with designers, product managers, QA engineers, and other developers to deliver end-to-end solutions. You'll be involved in requirements discussions, offer technical guidance, and help align frontend and backend development with business goals. Your role often includes code reviews, mentoring junior team members, and ensuring seamless integration across various systems. This collaborative environment encourages knowledge sharing and innovation while ensuring project success.

What are Senior Full Stack Developers?

Senior Full Stack Developers are experienced professionals who design, develop, and maintain both the front-end and back-end components of web applications. They are proficient in multiple programming languages and frameworks, enabling them to handle servers, databases, APIs, and user interfaces. In addition to coding, they often lead development teams, make architectural decisions, and ensure software quality and scalability. Their expertise allows them to oversee the entire application lifecycle, from concept to deployment.

What is the difference between Senior Full Stack Developer vs Backend Developer?

AspectSenior Full Stack DeveloperBackend Developer
Required SkillsProficiency in both frontend and backend technologies, such as JavaScript, HTML, CSS, and server-side languages like Node.js, Python, or JavaSpecialized in server-side development, working with languages like Java, Python, Ruby, or PHP, and database management
Work EnvironmentCollaborates across frontend and backend teams, often involved in full project lifecycleFocuses primarily on backend systems, APIs, and database integration
Common UsageUsed in roles requiring full project oversight and versatile development skillsUsed in roles focused on server-side logic, database management, and API development

The main difference is that a Senior Full Stack Developer handles both frontend and backend development, providing a comprehensive approach to projects, while a Backend Developer specializes solely in server-side logic and database management. Both roles require strong programming skills, but the Full Stack Developer's expertise spans the entire technology stack.

What are the most commonly searched types of Full Stack Developer jobs in Toronto, ON? The most popular types of Full Stack Developer jobs in Toronto, ON are:
What are popular job titles related to Senior Full Stack Developer jobs in Toronto, ON? For Senior Full Stack Developer jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Senior Full Stack Developer jobs in Toronto, ON look for? The top searched job categories for Senior Full Stack Developer jobs in Toronto, ON are:
What cities near Toronto, ON are hiring for Senior Full Stack Developer jobs? Cities near Toronto, ON with the most Senior Full Stack Developer job openings:
Senior Full Stack Developer jobs near you
Infographic showing various Senior Full Stack Developer job openings in Toronto, ON as of May 2026, with employment types broken down into 72% Full Time, and 28% Contract. Highlights an 100% In-person job distribution, with an average salary of $120,398 per year, or $57.9 per hour.

Senior Full-Stack Developer

1Valet

Toronto, ON • Remote

Full-time

Posted 22 days ago

Job description

Senior Full-Stack Developer


Location: Ottawa, ON (Remote)


About the Role


We are looking for a Senior Full-Stack Developer to join one of our development squads and help build new features for the 1VALET smart-building platform. This role is hands-on and product-focused, working across the stack - from Angular front-end experiences to .NET backend services - and includes integrations with hardware and third-party vendors (smart locks, entry systems, building systems, etc.). You'll collaborate closely with Product, Hardware, QA, and Operations teams to deliver scalable, reliable features used in live residential and commercial buildings.


What You'll Do


Design, build, and maintain end-to-end features across front-end, backend, and data layers

Develop and optimize Angular front-end applications with a focus on performance and usability

Build .NET (C#) backend services, APIs, and integrations

Work with MS/Azure SQL for data modelling, querying, and performance optimization

Use Elasticsearch for search, analytics, and log-driven features

Implement and maintain hardware and vendor integrations (IoT devices, access control systems, third-party APIs)

Collaborate with Product Managers to translate requirements into technical solutions

Work with QA to ensure high quality through testing, debugging, and production support

Participate in architectural discussions and contribute to technical direction

Support and improve existing systems while helping shape new platform capabilities


What You Bring


6+ years of professional experience as a Full-Stack Developer

Strong hands-on experience with:


Angular

.NET / C# (Web APIs, services)

MS/Azure SQL (schema design, performance tuning)

Elasticsearch


Experience designing and consuming REST APIs

Exposure to hardware / IoT integrations or complex third-party system integrations (strong asset)

Solid understanding of scalable, distributed systems

Experience working in Agile / squad-based teams

Strong problem-solving skills and ability to work independently in a remote environment

Clear communication skills and a collaborative mindset

Experience using AI-assisted development tools (e.g., Replit AI, Claude Code, GitHub Copilot) to improve productivity, code quality, debugging, or prototyping


Nice to Have


Experience with cloud platforms (Azure)

Knowledge of message queues, event-driven systems, or real-time data flows

Prior experience in PropTech, IoT, or building management systems

Experience supporting production systems used by real customers in the field


Why Join 1VALET


Work on real-world systems deployed in buildings across North America

Be part of a platform that blends software, hardware, and operations

High ownership, meaningful technical challenges, and visible impact

Collaborative, product-driven engineering culture

Remote role with a strong Ottawa-based engineering presence


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