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Typescript React Developer Junior Jobs in Toronto, ON

US Mobile

Staff Frontend Engineer

Toronto, ON

CA$160K - CA$250K/yr

Lead and contribute to building modern front-end features using React, TypeScript, and CSS ... Qualifications: * 8+ years of front-end engineering experience building production-grade UIs.

Konrad

Mobile Developer (React Native)

Toronto, ON · Hybrid

CA$90K - CA$125K/yr

About The Role As a Mobile Developer (React Native), you'll be tasked with building high-quality ... A strong command of JavaScript/TypeScript programming and core computer science concepts. * Solid ...

Clera

Founding Engineer ($3M pre-seed)

Toronto, ON · Remote

Experience in TypeScript and React * Strong practical experience working with AI: We work 24/7 in ... Be engineer #4 - your decisions will shape the entire product * True ownership, no micromanagement ...

Sync.com

Software Developer

Toronto, ON · On-site

CA$97K - CA$100K/yr

Backend: Node.js, TypeScript, PHP, Java * Frontend: Angular, Vue.js, React * Databases: MySQL ... Experience mentoring junior developers or interns. Perks: * Generous wellness program * Best-in-the ...

Bridgenext

GIS Developer

Toronto, ON · Remote

The GIS Developer will build scalable solutions using the Esri ArcGIS platform, Python, SQL ... Develop interactive mapping and responsive GIS applications using JavaScript/TypeScript, React, and ...

Sitero LLC

Senior Software Engineer

Mississauga, ON · On-site +1

Mentor junior developers and support onboarding of new team members Technology Stack Category ... Solid frontend experience with React.js, TypeScript, and modern CSS (SCSS/Tailwind) * Hands-on ...

Air-tek

Senior Software Engineer

Toronto, ON

CA$120K - CA$170K/yr

Familiarity with JavaScript, TypeScript, React, Vue.js , or other front-end frameworks ... Contributions to automation, developer tooling, or internal platform improvements. Why Join Air-tek

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Typescript React Developer Junior information

What is a Typescript React developer junior?

Typescript React Developer Juniors are entry-level software developers who specialize in building web applications using React, a popular JavaScript library for user interfaces, and TypeScript, a typed superset of JavaScript. They typically have foundational knowledge of these technologies and work on tasks such as developing components, fixing bugs, and collaborating with more experienced developers. Junior developers are expected to learn best practices, write clean and maintainable code, and gradually take on more complex responsibilities as they gain experience.

What are the key skills and qualifications needed to thrive as a junior Typescript React developer?

To thrive as a Junior TypeScript React Developer, you need a solid understanding of JavaScript, TypeScript, React fundamentals, and basic web development principles, often supported by a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, package managers (npm/yarn), and front-end build tools is typically required. Strong problem-solving skills, attention to detail, and effective communication help you collaborate and learn within development teams. These skills and qualities are crucial for building reliable, maintainable user interfaces and for growing professionally in a fast-paced tech environment.

What are some common challenges junior Typescript React developers face when joining a new team, and how can they overcome them?

Junior Typescript React developers often encounter challenges such as understanding established codebases, adapting to team coding standards, and effectively using TypeScript’s type system. To overcome these, it’s helpful to actively participate in code reviews, seek feedback from senior developers, and make use of available documentation. Regularly pairing with teammates and practicing writing typed components can also accelerate learning and ease the transition into collaborative workflows.

What is the difference between Typescript React Developer Junior vs Typescript React Developer Mid-Level?

CriteriaTypescript React Developer JuniorTypescript React Developer Mid-Level
Experience0-2 years2-5 years
SkillsBasic understanding of React and Typescript, limited project experienceProficient in React and Typescript, able to handle complex projects
ResponsibilitiesAssist in development, bug fixing, learning best practicesLead small features, optimize code, mentor juniors
Work EnvironmentEntry-level teams, supervised tasksCollaborative teams, independent task management

The main difference between a Typescript React Developer Junior and a Mid-Level is experience and responsibility. Juniors are typically new to the field, focusing on learning and assisting, while Mid-Level developers handle more complex tasks and contribute more independently.

What are popular job titles related to Typescript React Developer Junior jobs in Toronto, ON?

For Typescript React Developer Junior jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Typescript React Developer Junior jobs in Toronto, ON look for?

The top searched job categories for Typescript React Developer Junior jobs in Toronto, ON are:

Typescript React Developer Junior jobs near you
Infographic showing various Typescript React Developer Junior job openings in Toronto, ON as of August 2026, with employment types broken down into 84% Full Time, 4% Part Time, and 12% Contract. Highlights an 80% Physical, 7% Hybrid, and 13% Remote job distribution.

Staff Frontend Engineer

US Mobile

Toronto, ON

CA$160K - CA$250K/yr

Full-time

Medical, Dental, Vision

Re-posted 22 days ago

Job description

US Mobile is building the future of wireless communication. The goal: one unified network open to any person and any device, worldwide. Connection without walls.
We're getting there by empowering customers. All three major networks on one phone and one plan, plus home internet from Starlink. No lock-in. No commitments. Custom fit plans at every price point. 24/7 customer support with real people, empowered to help. We get real-time feedback from Reddit, surveys, and customer support informing product roadmaps and everything we do. It's working - Consumer Reports named us the top-rated mobile carrier two years in a row.*

And we're building innovative systems that scale. A network agnostic tech stack. Agile, cross-functional teams built on trust and mutual respect. This work isn't for everyone. If you work fast, flexibly, and collaboratively - without compromising standards - we want to hear from you.

The Opportunity
 
We're looking for a Staff Front-End Engineer to join our growing engineering team as we scale from 14 to 24 developers. This is a high-impact, high-ownership role where you'll architect and build fast, accessible, and elegant web and mobile applications used by nearly 1 million subscribers across Verizon, AT&T, and T-Mobile. Our challenges are both technical and strategic.
What you'll do:
  • Build a state-driven UI that adapts seamlessly to network-specific quirks.
  • Support legacy and new plans simultaneously.
  • Create elegant, highly accessible (a11y-first) interfaces that work across platforms.
  • Work on mission-critical projects, like our next-gen agentic AI chatbot that's redefining how customers interact with mobile support such as: Customer centric interface enabling total control over your phone lines, a next generation dashboard to monitor your usages and create an e-commerce expereince that's unmatched in Telco!!
  • Lead and contribute to building modern front-end features using React, TypeScript, and CSS.
  • Design and build UI components for both web and React Native applications.
  • Architect scalable systems to support millions of user interactions across different networks.
  • Champion accessibility (a11y) and performance as first-class concerns.
  • Collaborate closely with backend, product, and design teams to drive elegant, data-informed solutions.
  • Work with emerging technologies like Rust where performance or architecture demands.
  • Drive and mentor a high-autonomy, high-impact engineering culture.
Qualifications:
  • 8+ years of front-end engineering experience building production-grade UIs.
  • Proficiency in TypeScript, React, and CSS-in-JS or equivalent styling approaches.
  • Experience with state management and data fetching libraries (e.g., Tanstack Query, Redux, Zustand).
  • A strong eye for UX/UI detail, accessibility, and responsive design.
  • Comfort dealing with complexity: legacy code, varied device support, and cross-platform consistency.
  • A self-starter who can define and deliver high-leverage solutions with minimal oversight.
  • Bonus: Experience with Rust, mobile development (React Native), or telecom-related apps.
Benefits:
  • Competitive Salary
  • Gym reimbursement
  • Commute reimbursement
  • Flexible working hours
  • Subsidized health benefits (Medical, Dental, Vision)
  • Professional development stipend
  • Flexible time off
$160,000 - $250,000 a year
Think you're a great fit? Apply to learn more!
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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