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Javascript Backend Developer Jobs in Toronto, ON

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 ...

Senior AI Engineer

Toronto, ON · Hybrid

CA$120K - CA$160K/yr

The ideal candidate combines deep AI/ML engineering experience with strong backend development ... Strong proficiency in JavaScript/TypeScript and Node.js, with exposure to GraphQL * Deep experience ...

Strong experience in at least one backend or full-stack engineering environment, such as Python, JavaScript/TypeScript, Node.js, Java, C++, Go or Rust * Experience building, maintaining, or reviewing ...

Be Seen First

Proficiency in at least one modern programming language (e.g., Python, JavaScript, Java). * Experience with front-end (e.g., React, Angular) and/or back-end technologies. * Experience with database ...

Senior Full Stack Developer

Toronto, ON · On-site

CA$100K - CA$140K/yr

HTML5, CSS, JavaScript, TypeScript, and Angular * Strong backend development experience with C# ... Hands-on DevOps practices and infrastructure-as-code * Octopus Deploy experience for cloud ...

... JavaScript frameworks (e.g., React), HTML5, and CSS. Back-End Development: Solid experience in ... CI/CD and DevOps: Proficiency with Continuous Integration/Continuous Deployment (CI/CD) pipelines ...

Software Developer III

Toronto, ON · Remote

CA$110K - CA$120K/yr

... and backend services. * Working proficiency with React and TypeScript/JavaScript. * Experience ... Experience mentoring developers or helping establish a strong code-review culture. We believe in ...

... front-end and back-end technologies. * Strong front-end development skills with Struts, JSP, HTML5, CSS3, JavaScript, and experience using the jQuery framework. * Working experience in IBM ...

Showing results 41-60

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 Sep 8, 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.

Infographic showing various Javascript Backend Developer job openings in Toronto, ON as of September 2026, with employment types broken down into 82% Full Time, and 18% Contract. Highlights an 89% In-person, and 11% Remote job distribution, with an average salary of $117,322 per year, or $56.4 per hour.

RQ11303 - Sr. Software Developer - Full Stack

Toronto, ON

Source Code
Computer and Peripheral Equipment Manufacturing • 201 - 500 employees

Contractor

Re-posted 3 days ago


Job description

RQ11303 - Sr. Software Developer - Full Stack

9-month contract (171 business days) - possible extension

ONSITE 5 days - Toronto 

Must Have:

  • Extensive experience in the use of Angular v7+, JavaScript, Typescript, Node such as NPM, RXJS,
  • Spring Framework (MVC, Security, JPA, Boot), Bitbucket, REST API, Hibernate/JPA.
  • Experience in integration of commercially available API design and implementation (load balancing, discovery, resiliency).
  • Experience with React
  • 10+ UID development, Angular, CSS, Agile paradigm, usage of RSA
  • 10+ Java development experience
  • 10+ Database experience: Oracle and Open Source DB
  • Extensive experience with responsive development and HTML5
  • Extensive experience coding for mobile devices
  • 10+ years of experience with developing application in compliance with PCI and WCAG 2.0 Standards, and bringing applications to AODA Compliancy
  • Experience with JAWS, WAI-ARIA, HTML 5

Nice to have:

  • Previous Public Sector experience

Responsibilities:

· Design, implement, and continuously expand data pipelines by performing extraction, transformation, and loading activities.

· Required to translate technical systems specifications into working, tested applications. This includes developing detailed programming specifications, writing and/or generating code, compiling data-driven programs, maintaining, and conducting unit tests.

· Resolves and troubleshoots technical problems which arise during the use and operation of software packages, including technical assistance in implementation, conversion and migrations.

General Skills:

· Experience in programming and analysis; specialized software package support at the specified experience level

· Ability to collaborate with IT Professionals throughout the Software Development Life Cycle

· Experience in structured methodologies for the development, design, implementation and maintenance of applications

· Experience in design, code, test, debug and document applications

· Experience in the use of object and/or third generation language development tools

· Experience in one or more programming languages

· Experience in application design, latest design patterns, deployment and troubleshooting

· Experience with relational and hierarchical database technologies

· Experience in the use of information retrieval packages using query languages

· Experience with one or more communications protocols

· Experience in structured methodologies for the design, development, implementation and maintenance of applications

· Experience eliciting and documenting information from diverse business area stakeholders and subject matter experts

· Experience with application architecture, front-end & back-end integration, API development

· Excellent analytical, problem-solving and decision-making skills; verbal and written communication skills; interpersonal and negotiation skills

· A team player with a track record for meeting deadlines

Full Stack Skills:

· Proficient with both front end and back end development, including any associated areas such as database design/management and DevOps

· Knowledge and experience with design and implementation of the overall web architecture

· Experience with implementation of approved user interface, design and deployment of database

· Knowledge and experience ensuring the entire stack is designed and built for speed and scalability

· Knowledge and experience with the design and construction of REST API services

· Knowledge and experience integrating front-end UI with the constructed API

· Knowledge and experience in design and implementation of continuous integration and deployment

Desirable Skills:

· Knowledge and experience with programming Internet-ready applications

· Knowledge and experience in rapid application development (RAD) methodologies

· Knowledge and understanding of Information Management principles, concepts, policies and practices

· Experience with middleware and gateways

· Experience reviewing, analyzing, and modifying product installation scripts including encoding, testing, debugging

· Ability to provide post-implementation support and resolve any post-implementation technical issues

· Experience conducting design walkthrough sessions with project team

· Knowledge and understanding of Accessibility for Ontarians with Disability Act (AODA) and related regulations and standards

· Ability to provide user and system documentation as required

· High level of knowledge around the Angular framework and JavaScript.

· High level knowledge of front-end interfaces.

· Strong knowledge of RESTful APIs and good understanding of Swagger files.

· Demonstrated ability to create self-contained, reusable, and testable modules and components that build on the elements and modules of core AngularJS.

· Experience creating, designing, and implementing layouts for new and existing web pages. Excellent knowledge of front-end web programming languages, such as HTML, CSS, JavaScript, and AngularJS, with ability to render server-side and client-side content.

· Experience designing user interactions on websites, developing servers and databases for website functionality and coding for mobile platforms.

· Fundamental knowledge of UX/UI.

· Experience ensuring front end code is able to query APIs.

· Experience with Java WebLogic and Java programming for web applications (Tomcat, Weblogic), EJB, Servlet

· Strong database skills and SQL skills (Oracle, SQL Server)

· Experience / knowledge of REST, SOAP web services.

· Experience / knowledge of Azure DevOps, JIRA, agile/scrum

AI Disclaimer: Source Code may use artificial intelligence (AI) tools to assist in certain aspects of its recruiting and business operations.

Note: The higher end of the range is intended for absolutely exceptional candidates who meet all must-have requirements and most or all nice-to-have qualifications. The client will evaluate candidates based on both rate expectations and overall skill set when shortlisting.

INCORPORATED RATE RANGE (7.25 billable hours per day)

  • $90.18/hr - $108.22/hr Inc.

T4 RATE RANGE (7.25 billable hours per day)

  • $72.14/hr - $86.58/hr T4