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Javascript Backend Developer Jobs in Toronto, ON

Understanding of web development concepts (HTML, CSS, JavaScript). * Ability to write unit and ... Troubleshoot and debug front-end issues. Back-end Development (Flask): * Design and implement web ...

Understanding of web development concepts (HTML, CSS, JavaScript). * Ability to write unit and ... Troubleshoot and debug front-end issues. Back-end Development (Flask): * Design and implement web ...

... Role We are looking for a Back-End Developer to join our team on a transformative cloud ... Strong understanding of JavaScript/TypeScript and familiarity of at least one modern front-end ...

Certification in relevant technologies or frameworks (e.g., AWS Certified Developer, TensorFlow ... CSS, JavaScript, and frontend frameworks (e.g., React, Angular). * Experience with backend ...

Software Developer

Toronto, ON · On-site +1

CA$65K - CA$80K/yr

... JavaScript/TypeScript, React, and C# with ASP.NET Core. * Collaborate with other developers on ... back-end, APIs, databases, and deployment. * Back-end development experience within the .NET ...

Backend & Platform Development: * Write clean, maintainable, and well-tested code adhering to ... Familiarity with JavaScript and modern frontend frameworks such as React (experience with Next.js ...

Champion DevOps best practices, CI/CD improvements, and observability standards * Identify and lead ... in backend software development * Strong expertise in PHP and Laravel * Proficiency in JavaScript ...

Showing results 21-40

Javascript Backend Developer information

See Toronto, ON salary details

$39.6K

$117.3K

$170.8K

How much do javascript backend developer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for javascript backend developer in Toronto, ON is $117,322.00, according to ZipRecruiter salary data. Most workers in this role earn between $95,911.00 and $137,424.00 per year, depending on experience, location, and employer.

What does a JavaScript backend developer do?

A JavaScript Backend Developer is responsible for building and maintaining the server-side logic, databases, and APIs that power web applications. They use JavaScript, often with frameworks like Node.js, to process requests, manage data, and ensure smooth communication between the frontend and backend of an application. Their work ensures that web applications are scalable, secure, and efficient. JavaScript Backend Developers also collaborate with frontend developers and other team members to deliver seamless user experiences.

What are the key skills and qualifications needed to thrive as a JavaScript backend developer, and why are they important?

To thrive as a Javascript Backend Developer, you need strong proficiency in JavaScript (especially Node.js), knowledge of backend frameworks, and a solid understanding of databases such as MongoDB or PostgreSQL. Familiarity with development tools like Git, RESTful APIs, Docker, and cloud platforms, as well as relevant certifications, is highly valuable. Excellent problem-solving, teamwork, and communication skills help you collaborate effectively and deliver robust solutions. These abilities are crucial for building scalable, secure, and maintainable backend services that power modern applications.

What are the typical challenges a JavaScript backend developer faces when scaling applications for high traffic?

JavaScript Backend Developers, especially those working with Node.js, often encounter challenges related to handling high concurrency, optimizing database queries, and maintaining application performance under heavy load. Ensuring efficient memory management and implementing robust error handling are also critical when scaling. Working closely with DevOps and frontend teams to optimize APIs and monitor system health is essential for delivering reliable, scalable backend solutions.

What is the difference between Javascript Backend Developer vs Javascript Frontend Developer?

AspectJavascript Backend DeveloperJavascript Frontend Developer
Primary FocusServer-side development, APIs, databasesUser interface, client-side interactions
Required SkillsNode.js, databases, server managementHTML, CSS, JavaScript, UI frameworks
Work EnvironmentBack-end servers, cloud platformsWeb browsers, client devices
Common UsageBuilding APIs, server logicDesigning web pages, user experience

The main difference between a Javascript Backend Developer and a Javascript Frontend Developer lies in their focus areas. Backend developers handle server-side logic, databases, and APIs, while frontend developers focus on creating engaging user interfaces and client-side interactions. Both roles require JavaScript skills but apply them in different parts of web development projects.

What are popular job titles related to Javascript Backend Developer jobs in Toronto, ON?

For Javascript Backend Developer jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Javascript Backend Developer jobs in Toronto, ON look for?

The top searched job categories for Javascript Backend Developer jobs in Toronto, ON are:

Infographic showing various Javascript Backend Developer job openings in Toronto, ON as of August 2026, with employment types broken down into 84% Full Time, 3% Part Time, and 13% Contract. Highlights an 79% Physical, 8% Hybrid, and 13% Remote job distribution, with an average salary of $117,322 per year, or $56.4 per hour.

Angular Developer with .NET

United Airlines

Mississauga, ON • On-site

CA$70K - CA$85K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 21 days ago


United Airlines rating

7.9

Company rating: 7.9 out of 10

Based on 342 frontline employees who took The Breakroom Quiz

7th of 26 rated airlines


Job description

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you'd like, where you'll be supported and inspired bya collaborative community of colleagues around the world, and where you'll be able to reimagine what's possible. Join us and help the world's leading organizationsunlock the value of technology and build a more sustainable, more inclusive world.

Location - Mississauga, ON
Job Description

We are seeking a skilled Angular  Developer with expertise in Angular 11+, D3.js, and .NET technologies to develop modern, responsive, and data-driven web applications. The ideal candidate will have strong experience building interactive dashboards, graph-based visualizations, reusable UI components, and integrating frontend applications with .NET backend services and RESTful APIs. Experience in Banking and Financial Services environments will be an added advantage.

Key Responsibilities

  • Design and develop responsive, scalable, and user-friendly web applications using Angular 11+, HTML5, CSS3, TypeScript, and JavaScript.
  • Build reusable UI components and ensure adherence to coding standards, accessibility requirements, and best practices.
  • Implement responsive web designs that deliver seamless user experiences across devices and browsers.
  • Ensure cross-browser compatibility and consistent UI behavior.
  • Data Visualization & Dashboard Development
  • Develop interactive dashboards and advanced graph-based visualizations using D3.js.
  • Create data-driven visual components, charts, network graphs, and analytical dashboards.
  • Optimize visualization performance for large and complex datasets.
  • Collaborate with stakeholders to transform business requirements into meaningful visual insights.
  • Integrate Angular applications with .NET backend services and RESTful APIs.
  • Collaborate with backend developers to ensure efficient data exchange and application performance.
  • Validate and process API responses while maintaining data integrity and security standards.
  • Quality Assurance & Performance Optimization
  • Conduct code reviews and promote clean, maintainable, and scalable code practices.
  • Develop and execute unit tests for frontend components.
  • Troubleshoot and resolve UI, integration, and performance-related issues.
  • Optimize application performance, load times, and overall user experience.

Required Skills

  • 4-6 years of experience in web application development.
  • Strong hands-on experience with Angular 11+.
  • Proficiency in TypeScript, JavaScript, HTML5, and CSS3.
  • Experience building interactive dashboards and data visualizations using D3.js.
  • Experience integrating applications with RESTful APIs.
  • Working knowledge of .NET / ASP.NET technologies.
  • Strong understanding of responsive web design principles.
  • Knowledge of UI development best practices and cross-browser compatibility.
  • Experience with Git version control.
  • Experience working in Agile/Scrum environments.
  • Excellent troubleshooting, analytical, and problem-solving skills.

The base compensation range for this role in the posted location is: [$70000 to $85000]

Capgemini provides compensation range information in accordance with applicable national, state, provincial, and local pay transparency laws. The base compensation range listed for this position reflects the minimum and maximum target compensation Capgemini, in good faith, believes it may pay for the role at the time of this posting. This range may be subject to change as permitted by law.

The actual compensation offered to any candidate may fall outside of the posted range and will be determined based on multiple factors legally permitted in the applicable jurisdiction.

These may include, but are not limited to: Geographic location, Education and qualifications, Certifications and licenses, Relevant experience and skills, Seniority and performance, Market and business consideration, Internal pay equity.

It is not typical for candidates to be hired at or near the top of the posted compensation range.

In addition to base salary, this role may be eligible for additional compensation such as variable incentives, bonuses, or commissions, depending on the position and applicable laws.

Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time employees. In the U.S. and Canada, available benefits are determined by local policy and eligibility and may include: 

  • Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave
  • Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)
  • Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
  • Life and disability insurance
  • Employee assistance programs
  • Other benefits as provided by local policy and eligibility

Important Notice: Compensation (including bonuses, commissions, or other forms of incentive pay) is not considered earned, vested, or payable until it becomes due under the terms of applicable plans or agreements and is subject to Capgemini's discretion, consistent with applicable laws. The Company reserves the right to amend or withdraw compensation programs at any time, within the limits of applicable legislation.

Disclaimers

Capgemini is an Equal Opportunity Employer encouraging inclusion in the workplace. Capgemini also participates in the Partnership Accreditation in Indigenous Relations (PAIR) program which supports meaningful engagement with Indigenous communities across Canada by promoting fairness, accessibility, inclusion and respect.  We value the rich cultural heritage and contributions of Indigenous Peoples and actively work to create a welcoming and respectful environment. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.

This is a general description of the Duties, Responsibilities and Qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodation does not pose an undue hardship. Capgemini is committed to providing reasonable accommodation during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact.

Please be aware that Capgemini may capture your image (video or screenshot) during the interview process and that image may be used for verification, including during the hiring and onboarding process.

Click the following link for more information on your rights as an Applicant in the United States.  http://www.capgemini.com/resources/equal-employment-opportunity-is-the-law

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.


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About United Airlines

Sourced by ZipRecruiter

United Airlines is embarking on an exciting journey to become the best airline in aviation history. Our purpose, "Connecting People, Uniting the World," extends beyond transportation, emphasizing our commitment to uplift and create opportunities in the places we serve. With a global presence and diverse workforce, we value inclusivity and are dedicated to hiring tens of thousands of individuals across various roles. Our comprehensive benefits package, including perks like space available travel, parental leave, and 401k, aims to support your well-being and growth.

Industry

Aviation

Company size

10,000+ Employees

Headquarters location

Chicago, IL, US

Year founded

1926

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