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Senior Full Stack Developer Jobs in Newmarket, ON

TheFull Stack Developerwill work with the IoT architect,technical product ownerand a team of developers(Sr full stack, software, IoT, data science)toensure the efficient and effective development of ...

We're seeking a Senior Full-Stack Engineer to join our growing team. In this role, you'll lead ... Experience in DevOps, CI/CD pipelines, and secure release management. * Background in security ...

Staff Full Stack Engineer

Toronto, ON · On-site +1

CA$195K - CA$238K/yr

Senior full-stack development experience in Go and React (or a comparable stack), with a track ... Be part of a vibrant developer community shaping the future of secure collaboration Compensation ...

We're looking for a Senior Full Stack Software Engineer who is passionate about building high ... full stack developer * Demonstrable, hands-on experience using Claude (Claude Code, claude.ai, or ...

As a Senior Full-Stack Engineer on the FP&A Plus platform, you will design, build, and maintain the modular .NET capabilities that more than 2,500 finance teams around the world rely on every day for ...

Full Stack Developer

Toronto, ON · Hybrid

CA$90K - CA$120K/yr

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

Showing results 41-60

Senior Full Stack Developer information

What is a senior full stack developer?

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.

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 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.

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 Newmarket, ON?

The most popular types of Full Stack Developer jobs in Newmarket, ON are:

What cities near Newmarket, ON are hiring for Senior Full Stack Developer jobs?

Cities near Newmarket, ON with the most Senior Full Stack Developer job openings:

Infographic showing various Senior Full Stack Developer job openings in Newmarket, ON as of August 2026, with employment types broken down into 1% Internship, 90% Full Time, 3% Part Time, 5% Contract, and 1% Nights. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution.

Full Stack Developer

Magna

Brampton, ON • On-site

CA$100K/yr

Full-time

Re-posted 14 days ago


Job description

Job descriptions may display in multiple languagesbased on your language selection.

What we offer:
At Magna, you can expect an engaging and dynamic environment where you can help to develop industry-leading automotive technologies. We invest in our employees, providing them with the support and resources they need to succeed. As a member of our global team, you can expect exciting, varied responsibilities as well as a wide range of development prospects. Because we believe that your career path should be as unique as you are.
Group Summary:
Magna is more than one of the world's largest suppliers in the automotive space. We are a mobility technology company built to innovate, with a global, entrepreneurial-minded team. With 65+ years of expertise, our ecosystem of interconnected products combined with our complete vehicle expertise uniquely positions us to advance mobility in an expanded transportation landscape.

Job Responsibilities:

  • Salary: Starting at $100,000 CAD

  • Immediate, Open Position

We are buildingfully connected manufacturing systems to achieve operational excellence. Help us transform today's manufacturing through the design and implementation of advanced automation and software solutions.

TheFull Stack Developerwill work with the IoT architect,technical product ownerand a team of developers(Sr full stack, software, IoT, data science)toensure the efficient and effective development of IoT software applications

Your Responsibilities

We are building fully connected systems to achieve operational excellence - help us transform today's manufacturing by:

  • Developing flexible software solutions that enable IoT capabilities across our manufacturingoperations

  • Recommending best practices for building secure and reliable applications

  • Identifying and defining which cloud-services meet a given technicalrequirement

  • Brainstorming for new ideas and ways to improve development anddelivery

  • Monitoring metrics and developing ways to improve

  • Providing detailed specifications for proposed solutions including materials, external services and internal resources required

  • Working with source control tools (Confluence, GitHub, etc.)

  • Actively troubleshooting any issues that arise during testing andproduction

  • Work with engagement leaders and program managers during project initiation to understand user stories and successcriteria

  • Independently design, code, document, and unit test new features for applications that run in the cloud.

  • Ensure solutions produced adhere to best-practice object-oriented tenets, software design patterns, architectural patterns, coding standards, test methodology, and build/deploypatterns

  • Contribute to strategy for code management and product development, maintain reusable components that accelerate time-to-value

  • Follow contemporary Product and DevOps best practices, participate in agile ceremonies, work with customer in shortsprints

  • Collaborate with product/project and program manager(s) to present resulting product tostakeholders

  • Make good technical decisions that provide solutions to businesschallenges

  • Works directly with the client user, front end developer, and data scientists to design, test and develop new business analytics applications.

  • Develop and maintain data integrations with internal and external sources.

  • Rapidly fix bugs, solve problems, and proactively strive to improve our products and technologies.

  • Creates and sustains processes, tools, and on-going support structures and processes.

  • Provide effective architecture/design direction to the development team and mentorship to less-experienced team members to increaseeffectiveness

  • Performing additional duties as assigned

  • Acting with honesty andintegrity, andmakeethical business choices in accordance with Magna's Compliance Policies and Procedures.

Who we are looking for

  • MinimumSixyears of related experience required

  • Bachelor's Degreeinin Computer Science or related field of study

  • Broad technology experience acrossmultipleareas:AWScloud architecture, application development, analytics, networking, security, storage, DevOps, containers,etc. in IoT environments, preferably in automotive

  • Experience with multipleobject-orientedprogramming languages: JavaScript, TypeScript, Python, C#, C++, Java

  • Experience in relational and non-relational data storage

  • Experience architecting/designing solutions built on AWS cloud

  • Experience with container orchestration, configuration, and life-cycle management

  • Expertise withAPI development (GraphQL, REST) andNode.js,and implementation technologies such as microservices

  • Experience with event driven protocolssuch as MQTT or Kafka

  • Strong background in authentication and authorization protocolsand applications such as Azure Active Directory, and OAuth 2.0.

  • Understanding of React.js and HTML or CSS (front-end development)

  • Proficiency in building scalable data pipelines using Databricks, SQL, and Apache Spark is an asset.

Your preferred qualifications

  • Master's Degree in Computer Science or related field of any study.

  • Any Cloud Certification.

What we offer

At Magna, you can expect an engaging and dynamic environment where you can help to develop industry-leading automotive technologies. We invest in our employees, providing them with the support and resources they need to succeed. As a member of our global team, you can expect exciting, varied responsibilities as well as a wide range of development prospects. Because we believe that your career path should be as unique as you are.

In addition, we offer you the following site benefits:

An overview of our benefits will be discussed during the recruitment process.

Awareness. Unity. Empowerment.

At Magna, we believe that a diverse workforce is critical to our success. That's why we are proud to be an equal opportunity employer. We hire based on experience and qualifications, and in consideration of job requirements, regardless of, in particular, color, ancestry, religion, gender, origin, sexual orientation, age, citizenship, marital status, disability, or gender identity. Magna takes the privacy of your personal information seriously. We discourage you from sending applications via email to comply with GDPR requirements and your local Data Privacy Law.

Awareness, Unity, Empowerment:

At Magna, we believe that a diverse workforce is critical to our success. That's why we are proud to be an equal opportunity employer. We hire on the basis of experience and qualifications, and in consideration of job requirements, regardless of, in particular, color, ancestry, religion, gender, origin, sexual orientation, age, citizenship, marital status, disability or gender identity. Magna takes the privacy of your personal information seriously. We discourage you from sending applications via email or traditional mail to comply with GDPR requirements and your local Data Privacy Law.

AI-Assisted Screening Disclosure

As part of our commitment to a fair, consistent, and efficient recruitment process, we may use artificial intelligence (AI) tools to assist in the initial screening of applications submitted through our Workday system. These tools help identify qualifications and experience that align with the role requirements. Please note that AI is used solely to support our recruiters. Final decisions are always made by the hiring manager and the hiring team. Importantly, no applicant data is shared externally through these AI tools. All information remains securely within our systems and is handled in accordance with our privacy and data protection policies.

Under conditions defined by applicable law, you may have the right to request an explanation of how AI is used to support decision-making.

If you have any questions or concerns about this process, feel free to contact our Talent Attraction team.

Worker Type:
Regular / Permanent
Group:
Magna Corporate