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Full Stack Software Engineer Jobs in Ontario (NOW HIRING)

US Mobile

Full-Stack Software Engineer

Toronto, ON · On-site

CA$130K - CA$160K/yr

As a Full-Stack Software Engineer, you will: * Work on developing and deploying exciting new features * Advise on technologies and present solutions to the team * Take on legacy architecture and ...

Aversan Inc.

Full Stack Engineer

Mississauga, ON · Hybrid

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

CA$113K - CA$163K/yr

... Software Engineer to join our team to design, build, and support scalable, accessible, and secure software solutions. In this role, you will contribute across the full technology stack-from frontend ...

Manulife

Senior Full-Stack Software Engineer

Waterloo, ON

CA$113K - CA$163K/yr

... Software Engineer to join our team to design, build, and support scalable, accessible, and secure software solutions. In this role, you will contribute across the full technology stack-from frontend ...

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 ...

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 ...

Manulife

Lead Full Stack Software Engineer

Toronto, ON · On-site

CA$127.33K/yr

... full-stack through the entire software development lifecycle. * Drive adoption of modern engineering, delivery, and operational practices (e.g., DevOps, CI/CD, cloud-native, automation, SRE) within ...

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 ...

Quantiphi, Inc.

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 ...

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Full Stack Software Engineer information

What Is a Full Stack Software Engineer?

A full stack software engineer develops all aspects of a software application, from the user interface to the back-end database. As a full stack software engineer, your job duties include gathering customer requirements, writing the code to develop the application, and troubleshooting the application for any issues. The qualifications to pursue a career as a full stack software engineer include an associate or bachelor’s degree in computer science, software engineering, or a related field and proficiency in a variety of coding languages and frameworks.

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

To thrive as a Full Stack Software Engineer, you need strong proficiency in both front-end (e.g., HTML, CSS, JavaScript) and back-end (e.g., Node.js, Python, Java) development, typically supported by a relevant degree or equivalent experience. Familiarity with frameworks (like React or Angular), version control (such as Git), databases (SQL/NoSQL), and cloud platforms is essential, and certifications like AWS Certified Developer can be beneficial. Problem-solving ability, collaboration, and adaptability are vital soft skills that help engineers navigate complex projects and work effectively in teams. These skills ensure the ability to deliver robust, scalable, and user-friendly applications that meet dynamic business needs.

How do Full Stack Software Engineers typically collaborate with other team members during a development project?

Full Stack Software Engineers often work closely with front-end and back-end developers, UI/UX designers, product managers, and QA testers throughout the software development lifecycle. Collaboration typically involves participating in agile ceremonies such as daily stand-ups, sprint planning, and code reviews to ensure alignment and progress. They are expected to communicate effectively across disciplines, help troubleshoot issues that span both client and server sides, and contribute to shared documentation. This collaborative environment helps ensure that solutions are cohesive, scalable, and meet user requirements.

What are Full Stack Software Engineers?

Full Stack Software Engineers are professionals skilled in both front-end and back-end development. They are capable of designing, building, and maintaining the user interface (client-side) as well as the server logic, databases, and application architecture (server-side). This means they can work on projects from start to finish, handling everything from user experience to data management. Full Stack Software Engineers often use a variety of programming languages and frameworks, making them versatile and valuable members of a development team.

What is the difference between Full Stack Software Engineer vs Front End Developer?

AspectFull Stack Software EngineerFront End Developer
Required SkillsProficiency in both front-end and back-end technologies, including HTML, CSS, JavaScript, server-side languages, and databases.Specializes in client-side technologies like HTML, CSS, JavaScript, and frameworks such as React or Angular.
Work EnvironmentWorks on both server and client-side development, often involved in full project lifecycle.Focuses primarily on designing and implementing user interfaces and user experience.
Common UsageUsed in full-stack development teams, startups, and projects requiring versatile developers.Found in teams emphasizing UI/UX, web design, and front-end frameworks.

While both roles require strong JavaScript skills, Full Stack Software Engineers handle both front-end and back-end development, whereas Front End Developers focus solely on the user interface and experience. The choice depends on whether you prefer a broader development scope or specialization in UI design.

More about Full Stack Software Engineer jobs
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 Full Stack Software Engineer jobs in Ontario? For Full Stack Software Engineer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Full Stack Software Engineer jobs in Ontario look for? The top searched job categories for Full Stack Software Engineer jobs in Ontario are:
What are popular job titles related to Full Stack Software Engineer jobs in ON? For Full Stack Software Engineer jobs in ON, the most frequently searched job titles are:
Full Stack Software Engineer jobs near you
Infographic showing various Full Stack Software Engineer job openings in Ontario as of May 2026, with employment types broken down into 88% Full Time, 11% Part Time, and 1% Contract. Highlights an 21% Physical, 11% Hybrid, and 68% Remote job distribution.

Full Stack Software Engineer

Adaria Vending Services Limited

Concord, ON • On-site

Full-time

Posted 3 days ago

Job description

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, Ontario. In this role, you will help design, build, deploy, and support software systems that power the future of unattended retail and connected payment technologies.

You’ll work across the full development lifecycle — from requirements gathering and architecture design to deployment and ongoing support — while contributing clean, scalable, and testable code in a collaborative engineering environment.

We’re looking for someone with strong technical fundamentals, curiosity, and a passion for solving real-world problems through software.

What You’ll DoDesign & Develop
  • Design, develop, test, and deploy scalable full stack applications and services
  • Build modern web applications using React, Vite, and C#/.NET
  • Develop and maintain APIs, backend services, and cloud-based infrastructure on AWS
  • Translate business and customer requirements into technical solutions
  • Write clean, maintainable, and well-documented code
  • Evaluate system architecture, technical constraints, and future scalability
  • Participate in code reviews, testing, debugging, and quality assurance processes
  • Contribute to continuous improvement of development practices and workflows
Collaborate & Support
  • Work closely with customers, project stakeholders, and internal engineering teams
  • Communicate technical concepts clearly to both technical and non-technical audiences
  • Troubleshoot issues and provide ongoing system maintenance and support
  • Assist in delivering projects on time and within scope
  • Collaborate in an Agile development environment
Qualifications
  • Bachelor’s degree in Computer Science, Software Engineering, or a related field preferred
  • 2+ years of professional software development experience
  • Experience developing applications using:
    • C# / .NET
    • React
    • Vite
    • AWS cloud services
  • Experience building RESTful APIs and modern web applications
  • Familiarity with Git version control, CI/CD pipelines, and deployment workflows
  • Strong problem-solving and analytical skills
  • Excellent communication and time management abilities
Nice-to-Have Skills
  • Experience with unattended retail, IoT, or embedded systems
  • Knowledge of vending industry protocols such as MDB and DEX
  • Familiarity with remote telemetry platforms
  • Experience with:
    • Docker or containerized deployments
    • PostgreSQL, SQL Server, or NoSQL databases
    • Jira and Agile/Scrum workflows
  • Understanding of scalable cloud architecture and distributed systems
Why Join Adaria?

Adaria is transforming unattended retail by integrating smart payment technology, mobile connectivity, and intelligent software into every machine we touch.

This is an opportunity to work on technology that directly impacts how consumers interact with physical retail in a rapidly evolving digital environment. You’ll join a team that values innovation, ownership, and practical problem-solving while helping redefine convenience for the modern consumer.

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