ZipRecruiter

Log In

1

Senior Javascript Developer Jobs in Ontario (NOW HIRING)

StackandCo

\n \n \n \n \n Full Stack Software Developer I have a open role for a Senior Full Stack Web ... Net, HTML\/CSS\/Javascript, SQL Server and have some UI Experience in design. This role is with a ...

StackandCo

... Senior Front End Developer with significant Angular experience to join their team for 12 months ... Excellent knowledge of HTML, CSS and JavaScript \n * Confidence with Angular 2+ \n * Experience in ...

StackandCo

Senior Java Developer

Galway, NY

\n \n \n \n \n Our client in Galway are beginning to hire Java Engineers (up to senior level) to ... JavaScript experience would be nice to have (Angular ideal) \n * Spring experience \n * Strong ...

Geotab

Senior Software Developer

Oakville, ON · On-site +1

As a Senior Software Developer your key area of responsibility will be driving full-stack ... Strong frontend skills with ideal expertise in React and TypeScript (JavaScript is considered a ...

Targeted Talent

Senior Node.js Developer

Waterloo, ON · Remote

We are looking for an experienced Senior Node.js Back-End Developer for our client. This is a ... Experience working with Front-End JavaScript frameworks like React / Redux / Bootstrap * Good ...

Apply Early

Targeted Talent

Senior Node.js Developer

Ottawa, ON · Remote

We are looking for an experienced Senior Node.js Back-End Developer for our client. This is a ... Experience working with Front-End JavaScript frameworks like React / Redux / Bootstrap * Good ...

Apply Early

Targeted Talent

Senior Node.js Developer

Kitchener, ON · Remote

We are looking for an experienced Senior Node.js Back-End Developer for our client. This is a ... Experience working with Front-End JavaScript frameworks like React / Redux / Bootstrap * Good ...

Apply Early

Targeted Talent

Senior Node.js Developer

Waterloo, ON · Remote

We are looking for an experienced Senior Node.js Back-End Developer for our client. This is a ... Experience working with Front-End JavaScript frameworks like React / Redux / Bootstrap * Good ...

Apply Early

Targeted Talent

Senior Node.js Developer

Kitchener, ON · Remote

We are looking for an experienced Senior Node.js Back-End Developer for our client. This is a ... Experience working with Front-End JavaScript frameworks like React / Redux / Bootstrap * Good ...

Apply Early

Targeted Talent

Senior Node.js Developer

Ottawa, ON · Remote

We are looking for an experienced Senior Node.js Back-End Developer for our client. This is a ... Experience working with Front-End JavaScript frameworks like React / Redux / Bootstrap * Good ...

Apply Early

ShyftLabs

Senior Backend Developer

Toronto, ON · Hybrid

CA$100K - CA$140K/yr

The Opportunity ShyftLabs is looking for a Senior Developer to help design, build, and scale our ... JavaScript, TypeScript, Node.js, and GraphQL remain core requirements for this role. What You'll Do

Rivalry

Engineering and Product Seniority: Senior/Lead TL/DR: We are looking to add a highly skilled and ... Strong Knowledge of JavaScript (ES6+) / TypeScript * Strong understanding of inner workings of ...

Apply Early

Rivalry

Engineering and Product Seniority: Senior/Lead TL/DR: We are looking to add a highly skilled and ... Strong Knowledge of JavaScript (ES6+) / TypeScript * Strong understanding of inner workings of ...

Apply Early

Rivalry

Engineering and Product Seniority: Senior/Lead TL/DR: We are looking to add a highly skilled and ... Strong Knowledge of JavaScript (ES6+) / TypeScript * Strong understanding of inner workings of ...

Apply Early

next page

Showing results 1-20

All JobsSenior Javascript Developer JobsSenior Javascript Developer Jobs in Ontario

Senior Javascript Developer information

What is a Senior Javascript Developer job?

A Senior JavaScript Developer is a highly experienced programmer specializing in JavaScript, including frameworks like React, Angular, or Node.js. They are responsible for designing, developing, and optimizing web applications, ensuring high performance and maintainability. Additionally, they provide technical leadership, mentor junior developers, and collaborate with cross-functional teams to deliver scalable solutions. Strong problem-solving skills, deep knowledge of JavaScript best practices, and experience with modern development tools are essential for this role.

What are typical challenges faced by Senior Javascript Developers in day-to-day work?

Senior Javascript Developers often encounter complex challenges such as optimizing web application performance, ensuring code scalability and maintainability, and integrating with diverse APIs and services. They are also expected to troubleshoot legacy code and address security vulnerabilities, all while keeping up with the rapidly evolving JavaScript ecosystem. Collaborating with designers, product managers, and junior developers can add layers of complexity to project requirements. However, overcoming these challenges is rewarding and provides opportunities to shape technical strategy and influence best practices within the team.

What are the key skills and qualifications needed to thrive in the Senior Javascript Developer position, and why are they important?

To thrive as a Senior Javascript Developer, a strong command of JavaScript (including ES6+), advanced front-end frameworks (like React, Angular, or Vue), and back-end technologies (such as Node.js) are essential, along with several years of professional coding experience. Familiarity with version control systems (like Git), CI/CD pipelines, and relevant certifications (e.g., AWS Certified Developer or JavaScript certifications) is highly valued. Excellent problem-solving abilities, mentorship skills, and effective communication help developers collaborate and lead within cross-functional teams. These skills enable Senior Javascript Developers to build robust applications, guide junior team members, and drive innovation in fast-paced tech environments.

What are the most commonly searched types of Javascript Developer jobs in Ontario? The most popular types of Javascript Developer jobs in Ontario are:
What are popular job titles related to Senior Javascript Developer jobs in Ontario? For Senior Javascript Developer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Senior Javascript Developer jobs in Ontario look for? The top searched job categories for Senior Javascript Developer jobs in Ontario are:
What cities in Ontario are hiring for Senior Javascript Developer jobs? Cities in Ontario with the most Senior Javascript Developer job openings:
What are popular job titles related to Senior Javascript Developer jobs in ON? For Senior Javascript Developer jobs in ON, the most frequently searched job titles are:
Senior Javascript Developer jobs near you
Infographic showing various Senior Javascript Developer job openings in Ontario as of June 2026, with employment types broken down into 80% Full Time, 10% Part Time, 3% Temporary, and 7% Contract. Highlights an 78% Physical, 5% Hybrid, and 17% Remote job distribution.

Senior Web Developer

StackandCo

Full-time

Posted 2 days ago

Job description

\n <\/head>\n \n \n
\n Full Stack Software Developer
<\/u><\/b>I have a open role for a Senior Full Stack Web Developer in .Net, HTML\/CSS\/Javascript, SQL Server and have some UI Experience in design. This role is with a Government agency and offers a great opportunity to work with a top performing team of developers and DBA's and also the chance to work with some of the latest and best technologies. This role offers a great rate, flexi time, casual clothing and at least 18 months of work. You will be designing and making a new application that will change the way health care professionals work and you will be designing a product that will literally change the lives of both healthcare professionals and patients. So if you want to do something that you will feel a massive sense of pride and achievement, this is the role for you.<\/span>\n <\/div>\n
\n
\n <\/div>\n
\n The Role \-
<\/u><\/b>\n <\/div>\n
    \n
  • Applications<\/b>: Implementation of an application solution architecture and software development capability within the ICT unit to develop innovative applications that support the work of healthcare staff in maximising the use of technology to improve the way they do their jobs. .
    <\/li>\n <\/ul>\n
      \n
    • \n
      \n Data<\/b>: Establishment of a new Data & Analytics function to provide data management and analytics capabilities that support my client in obtaining the data analytics and visualisation required for evidence\-based planning, policy development and programme evaluation as well as gaining administration.
      \n <\/div><\/li>\n <\/ul>\n
      \n Requirements \-
      <\/u><\/b>\n <\/div>\n
        \n
      • You must have at least 7 years of experience as a Software Engineer and vast experience with .Net and SQL Server
        <\/li>\n <\/ul>\n
          \n
        • You will be responsible to create responsive design and web layout for web applications and websites.
          <\/li>\n <\/ul>\n
            \n
          • Enterprise UI development from conception to design through to HTML\/CSS\/Javascript implementation
            <\/li>\n <\/ul>\n
              \n
            • Development of jQuery Solutions Enterprise website\/web application responsive design and layout
              <\/li>\n <\/ul>\n
                \n
              • The Resource will be expected to work with HTML\/CSS\/Javascript, particularly jQuery libraries
                <\/li>\n <\/ul>\n
                  \n
                • You will provide the services as part of a blended team of developers, DBA's and business analysts using agile methodology and will be required to attend and take a leading role in sprint planning, sprint retrospective and stand up meetings.
                  <\/li>\n
                • \n
                  \n
                  \n <\/div>\n
                  \n Location
                  <\/u><\/b>In this role you can choose weather to work in the Dublin office or to work in the Galway City office.
                  <\/u><\/b>Please Note
                  <\/u><\/b>The following Competencies\/Skillsets are those considered most important for the proposed Resource to have experience in.
                  <\/u><\/b>Please note staff and contractors in Tusla are required to undertake Garda vetting and must hold a EU Passport or hold a Stamp 4 Visa to be eligible for this role.<\/u><\/b>\n <\/div><\/li>\n <\/ul>\n
                  \n
                  \n <\/div><\/span>
                  \n <\/body>\n<\/html>

Apply