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Developer Full Stack Developer Jobs in Ontario (NOW HIRING)

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 ...

StackandCo

Full Stack Developer (.NET)

Wexford, PA

\n \n \n \n \n Our client has a requirement for an experienced Full\-Stack Developer to be a key part at every stage of the SDLC. \n \n \n \n \n \n Experience working in a similar role is required and ...

StackandCo

\n \n \n \n \n We have a pressing requirement for an experienced Full Stack Developer to join a hugely successful Irish owned tech company in North Dublin. \n \n \n \n \n \n You'll work in a team of ...

Netsweeper Inc.

Senior Full Stack Developer

Waterloo, ON · On-site +1

We're looking for a talented Senior Full Stack Developer to join our team of skilled developers and contribute to the success of our products. Job Summary: We're seeking an experienced Senior Full ...

MaintainX

Full-Stack Developer - IAM

Toronto, ON

CA$150/day

We are looking for Full Stack Developers to join our IAM (Identity and Access Management) team in the Engineering Organization. This role has openings at Intermediate and Senior level positions. The ...

Foci Solutions

Cloud Full Stack Developer

Ottawa, ON · Remote

Qualifications and Skills We're Looking for: * 5+ years as a professional Full Stack Developer building and deploying production level applications on GCP, Azure, and/or AWS * Proficient in AI Driven ...

Citi

React Full Stack Developer

Mississauga, ON · On-site

Job Overview We are looking for experienced Full-Stack Software Engineers who are passionate about solving business problems through innovation and engineering practices. This role will be ...

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Developer Full Stack Developer information

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

To thrive as a Full Stack Developer, you need strong proficiency in both front-end (HTML, CSS, JavaScript) and back-end (such as Node.js, Python, or Java) technologies, often supported by a degree in computer science or a related field. Familiarity with version control systems like Git, cloud platforms, and frameworks such as React, Angular, or Django is typically required. Excellent problem-solving, communication, and teamwork skills help you collaborate effectively and adapt to changing project needs. These competencies enable the delivery of robust, scalable solutions across the entire software development lifecycle.

How do Full Stack Developers typically collaborate with designers and backend teams during a project?

Full Stack Developers often serve as a bridge between design and backend teams, ensuring seamless integration of user-facing features with server-side logic. They regularly participate in cross-functional meetings, provide technical input on UI/UX feasibility, and coordinate closely on API design and data flow. Effective communication and flexibility are essential, as Full Stack Developers may review code, suggest process improvements, and help troubleshoot issues across the entire tech stack. This teamwork not only enhances project outcomes but also broadens the developer's understanding of different disciplines, fostering career growth.

What is a Full Stack Developer?

A Full Stack Developer is a software engineer who is proficient in both front-end and back-end development. They are capable of designing, building, and maintaining all parts of a web application, including the user interface, server-side logic, databases, and sometimes even deployment and infrastructure. Full Stack Developers work with a variety of programming languages, frameworks, and tools to create seamless and scalable applications. Their versatility allows them to understand the entire development process and collaborate effectively with other team members.

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

AspectFull Stack DeveloperFront End Developer
Required SkillsProficiency in both front-end and back-end technologies, including HTML, CSS, JavaScript, server-side languages, and databases.Specialized in client-side technologies like HTML, CSS, JavaScript, and frameworks such as React or Angular.
Work EnvironmentWorks on both server and client sides, often handling entire project stacks.Focuses primarily on the user interface and user experience aspects of web applications.
Common UsageUsed in startups and small teams needing versatile developers; in larger teams, often collaborates with specialists.Common in teams emphasizing UI/UX design and front-end development roles.

While Full Stack Developers handle both front-end and back-end tasks, Front End Developers specialize in creating engaging user interfaces. The choice depends on project scope and team structure.

What cities in Ontario are hiring for Developer Full Stack Developer jobs? Cities in Ontario with the most Developer Full Stack Developer job openings:
Developer Full Stack Developer jobs near you

Senior Full-Stack Developer

Klick

Toronto, ON

CA$100K - CA$130K/yr

Other

Posted 21 hours ago

Job description

The Klick Group - comprising Klick Health (including Klick Katalyst and btwelve), Klick Media Group, Klick Applied Sciences (including Klick Labs), Klick Consulting, and Klick Ventures—is an ecosystem dedicated to realizing the full potential of our people and clients in life sciences. Founded in 1997, we have offices in New York, Philadelphia, Saratoga Springs, Toronto, London, São Paulo, and Singapore. Consistently named a Best Managed Company, Most Admired Corporate Culture, and Great Place to Work, Klick is committed to fostering a high-performance, people-first culture with creativity, collaboration, innovation, and impact across everything we do.
About Our Technology Craft
Our Technology craft builds scalable digital products, platforms, and tools that power impactful experiences for our clients and teams. We collaborate closely across disciplines to design, develop, and evolve systems that are secure, intuitive, and future-ready. The team brings deep expertise in engineering, architecture, data, and emerging technologies to solve complex problems with practical, human-centered solutions.
Job Description
This role develops scalable full-stack applications and tools that support internal teams, with a dedicated focus on integrating AI capabilities into production systems. The Senior Full Stack Developer contributes across the development lifecycle—architecture, implementation, deployment, and optimization—while collaborating with multifunctional partners to deliver high-quality, reliable solutions. The position is ideal for someone who enjoys working across multiple layers of technology and navigating evolving AI technologies in a practical, grounded way.
  • Lead full-stack development efforts from design through deployment, with emphasis on AI-enabled functionality.
  • Collaborate across teams to identify opportunities to embed AI-driven solutions into existing systems and workflows.
  • Develop and maintain front-end and back-end components, ensuring code quality, scalability, and performance while supporting both new builds and existing applications.
  • Conduct code reviews, contribute to architectural decisions, and support shared engineering standards.
  • Build and improve data integrations, APIs, and tools that streamline and automate processes.
Qualifications
Required:
  • 8+ years developing web applications in a full-stack environment (back-end dominant).
  • Experience with AI frameworks, libraries, or model integration patterns.
  • Experience working with architecture patterns, distributed systems, or data-driven applications.
  • Experience with Node/JavaScript for both front and back-end development.
  • Experience with SQL-based databases (e.g., MS SQL Server, BigQuery) and advanced query design.
Desired:
  • Experience with modern HTML, JavaScript, and CSS.
  • Ability to work across multiple technologies and contribute to varied tooling needs.
  • Experience with API development and testing tools.
  • Ability to share knowledge and collaborate across disciplines.
  • Knowledge of cloud-based AI solutions (Azure, AWS, or Google Cloud).
Additional Information
This posting is for a net new vacancy at Klick.
Join a collaborative, growth-focused culture where your ideas are valued and your career is built. The base salary range for this position is between CAD $100,000 - 130,000. The final amount offered will be determined based on several factors such as a candidate's work location, their unique skill set, education, and prior work experience. We believe in transparency, equity, and helping every employee thrive.
Our Commitment to Inclusion
Klick uses an AI-powered tool as part of an automated process to support our hiring process by analyzing your experience, skills, and qualifications to help identify alignment with role requirements. Please note that the tool does not make final decisions or automatically disqualify candidates. Hiring decisions are made by our team, with thoughtful human judgment and oversight. We are committed to fair and transparent hiring practices and have implemented safeguards to help mitigate bias and support compliance with applicable laws. If you have questions, accessibility needs, or concerns about the use of this tool, please contact us. Klick is consciously creating a culture where everyone can thrive and grow in their careers. We believe that our best work comes from our diverse backgrounds, perspectives, and skills. We strongly encourage members of historically underrepresented communities to apply, including Black people, Indigenous peoples, and other people of color, people with disabilities, people from gender and sexually diverse communities and people with intersectional identities. We're also committed to developing an inclusive, barrier-free recruitment process and work environment. Should you require any accommodation, please contact us at careers@klick.com and we will work with you to meet your accessibility needs and ensure you have a positive experience.

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