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Js Developer Jobs in Ontario (NOW HIRING)

Sync.com

Software Developer

Toronto, ON · On-site

CA$97K - CA$100K/yr

Design, develop, and deploy full stack applications using Node.js, TypeScript, Angular, Vue.js, and ... Develop and maintain cloud infrastructure and DevOps pipelines using Docker, Linux scripting, and ...

KPMG

BackEnd Engineer (JS/TS)

Toronto, ON · On-site +1

Collaborate with a highly skilled and talented group of developers. * Co-design the backend ... Expertise with JS, TS, and Node.js * Expertise in API development, for both backend and frontend ...

KPMG

BackEnd Engineer (JS/TS)

Vaughan, ON · On-site +1

Collaborate with a highly skilled and talented group of developers. * Co-design the backend ... Expertise with JS, TS, and Node.js * Expertise in API development, for both backend and frontend ...

Rivalry

As a highly skilled and experienced frontend developer you will be dedicated to creating the best ... Knowledge of Nuxt.js/Next.js is a plus * NodeJS and Server Side Rendering concepts * Responsive ...

Rivalry

As a highly skilled and experienced frontend developer you will be dedicated to creating the best ... Knowledge of Nuxt.js/Next.js is a plus * NodeJS and Server Side Rendering concepts * Responsive ...

StackandCo

\n \n \n \n \n Our client is looking for an experienced Full Stack (PHP) Developer to join their ... Experience in at least one JS framework (Ideally React) \n * Minimum Stamp 4 (1G and Stamp 2 ...

StackandCo

\n \n \n \n \n Our client is looking for an experienced Full Stack (PHP) Developer to join their ... Experience in at least one JS framework (Ideally React) \n * The ideal candidate will have ...

StackandCo

NET Developer will work in the development team to develop the new and refactoring of the company ... Net, SharePoint and Angular JS applications as part of a large development diverse development team ...

Crowdlinker

React Native Developer (Remote, Open Roster Contractor Opportunity) Please note: this is an open ... Knowledge of front-end frameworks such as React.js, Next.js, Vue.js * Understanding of backend ...

Virtusa

API Developer

Toronto, ON · On-site

Senior API Developer Location PCS CA~TORONTO Years of Experience 10-15 Years Job Summary We are ... Java / Spring Boot * Node.js / Express.js * API Gateway (AWS / Azure / Apigee) Preferred Skills

Virtusa

API Developer

Toronto, ON · On-site

Senior API Developer Location PCS CA~TORONTO Years of Experience 10-15 Years Job Summary We are ... Java / Spring Boot * Node.js / Express.js * API Gateway (AWS / Azure / Apigee) Preferred Skills

StackandCo

NET Developer will work in the development team to develop the new and refactoring of the company ... Net, SharePoint and Angular JS applications as part of a large development diverse development team ...

StackandCo

\n \n \n \n \n Senior Fullstack Developer needed for an impressive Irish tech company building a ... Strong frontend experience with any JS framework (React would be an added bonus) \n * Fast learner ...

Virtusa

API Developer

Toronto, ON · On-site

Senior API Developer Location PCS CA~TORONTO Years of Experience 10-15 Years Job Summary We are ... Java / Spring Boot * Node.js / Express.js * API Gateway (AWS / Azure / Apigee) Preferred Skills

StackandCo

... developers ... The key technologies used within the company are JavaScript, HTML5, CSS3, React and Node.js. \n \n ...

StackandCo

\n \n \n \n \n Our client, an insurance company based in Dublin, is looking for a React Developer ... Expert in React.js \n * Immediate availability \n * Some backend (ideally .Net) is desirable but ...

StackandCo

\n \n \n \n \n Our client is looking for an experienced Full Stack (PHP) Developer to join their ... and at least one JS framework. The company are a medium sized company and they currently use ...

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All JobsJs Developer JobsJs Developer Jobs in Ontario

Js Developer information

What is the difference between Js Developer vs Front-End Developer?

AspectJs DeveloperFront-End Developer
Required SkillsJavaScript, HTML, CSS, frameworks like React or AngularHTML, CSS, JavaScript, UI/UX design, frameworks like React or Vue
Work EnvironmentWeb development teams, software companies, startupsWeb design agencies, tech companies, freelance projects
Common UsageFocuses on JavaScript coding and application logicFocuses on user interface and experience design

While Js Developers specialize in JavaScript programming and application development, Front-End Developers focus on creating engaging user interfaces and experiences. Both roles often overlap, but Js Developers tend to have a deeper expertise in JavaScript frameworks, whereas Front-End Developers emphasize UI/UX design and visual aspects.

What is a JS developer?

A JavaScript developer is a software professional who specializes in creating and maintaining websites and applications using JavaScript, a programming language essential for front-end and back-end development. They often work with frameworks like React, Angular, or Node.js and need skills in HTML, CSS, and version control tools. JavaScript developers typically collaborate with designers and back-end developers to build interactive and dynamic digital experiences.

How much do JS developers make?

JavaScript developers' salaries vary based on experience, location, and skill level, but they typically earn between $70,000 and $120,000 annually. Senior developers with expertise in frameworks like React or Node.js can earn higher salaries, especially in competitive markets or with specialized skills.

Are JavaScript developers in demand?

JavaScript developers are in high demand due to the widespread use of JavaScript for web development, front-end frameworks, and server-side applications. Strong skills in JavaScript, along with knowledge of frameworks like React or Node.js, can improve job prospects as companies seek developers to build interactive and scalable web solutions.

Is JavaScript in demand in 2026?

JavaScript remains a highly in-demand skill for JavaScript developers in 2026, as it is widely used for web development, both on the client and server sides. The continued growth of web applications and frameworks like React, Angular, and Vue.js sustains strong job opportunities for JavaScript developers with skills in modern tools and practices.
What cities in Ontario are hiring for Js Developer jobs? Cities in Ontario with the most Js Developer job openings:
Js Developer jobs near you

Software Developer

Sync.com

Toronto, ON • On-site

CA$97K - CA$100K/yr

Full-time

Medical, PTO

Re-posted 25 days ago

Job description

Sync is Canada’s largest cloud storage provider and a global leader in secure file sharing and document collaboration. We’re expanding into the enterprise market, and we need your help. Join us as we help millions of users securely store essential data, share big ideas, and collaborate on game-changing work. Be part of an incredibly smart and talented team on a mission to get the world in sync.
About the Role
We are seeking a versatile and results-oriented Software Developer with expertise in full stack development, cloud platforms, and SaaS product integration. The ideal candidate will have a proven track record in designing and deploying scalable web-based systems, building microservices, and ensuring high-quality, secure, and reliable software delivery in agile, cross-functional teams.
Key Responsibilities
  • Design, develop, and deploy full stack applications using Node.js, TypeScript, Angular, Vue.js, and PHP.
  • Architect and implement microservices and APIs, ensuring scalability and performance.
  • Develop and maintain cloud infrastructure and DevOps pipelines using Docker, Linux scripting, and CI/CD practices.
  • Integrate third-party SaaS platforms, including ChargeBee for subscription billing and lifecycle management.
  • Contribute to real-time systems using WebSockets, RabbitMQ, and MessagePack.
  • Optimize data analytics and warehousing workflows with Snowflake, MySQL, and PostgreSQL.
  • Ensure system security and compliance through E2EE, RBAC policies, and performance optimizations.
  • Write and maintain unit and integration tests (Jest) to ensure reliable and stable releases.
  • Collaborate with international teams, project managers, and product managers in agile sprint cycles.
  • Provide technical documentation and actively communicate solutions to both technical and non-technical stakeholders.
Qualifications
  • Bachelor of Engineering in Computer Science
  • 5+ years of professional experience in full stack software development.
  • Proficiency in:
    • Backend: Node.js, TypeScript, PHP, Java
    • Frontend: Angular, Vue.js, React
    • Databases: MySQL, PostgreSQL, Snowflake
    • Cloud/DevOps: Docker, Linux, DigitalOcean, CI/CD
    • Messaging/Real-time: RabbitMQ, WebSockets
    • Google Cloud Infrastructure
  • Experience in SaaS development and subscription billing integration (Chargebee).
  • Strong understanding of software security practices (E2EE, RBAC).
  • Familiarity with Agile methodologies and cross-functional team collaboration.
Preferred Qualifications
  • Snowflake SnowPro Core Certification.
  • Experience with mobile development (React Native, Android).
  • Strong communication skills for client and stakeholder engagement.
  • Experience mentoring junior developers or interns.
Perks:
  • Generous wellness program
  • Best-in-the-class health benefits
  • Paid vacation with carry-over
  • Salary range between $97,000 to $100,000 annum

Sync.com is an equal opportunity dedicated to building a diverse and inclusive team. We encourage applications from all qualified candidates and will accommodate applicants’ needs throughout the recruitment, assessment, and selection process. If selected to participate in the process, please inform us of the nature of any accommodation(s) that you may require.

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