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Added 2 hours ago
CO
Job ID #32319: Site Maintenance Caretaker
City of Hamilton
ON · Hamilton, Ontario
- Full-time
- Temporary
…Building Maintenance Coordinator and/or Supervisor. Provides general operations and maintenance services, as well as janitorial services. Seven-day operation to cover maintenance…
Added 2 hours ago
CO
Job ID #32318: Plumber
City of Hamilton
ON · Hamilton, Ontario
- Full-time
Must possess a valid American Water Works Association (OWWA) Cross Connection Control Specialist certification · Must have mechanical aptitude, an ability to read and understand complex instructions, both written and verbal
Added 2 hours ago
CO
Housing Follow-Up Support Worker
Christie Ossington Neighbourhood Centre
Toronto, ON
- $30.7 CAD / hour
- Temporary
This job description is intended to outline the general responsibilities and qualifications for this role. It may be reviewed and updated as needed to reflect organizational priorities.
Added 2 hours ago
MD
Sustainable Forest Incentive Act Administrator, State Program Administrator Senior
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
Work Shift/Work Hours: Day Shift
Added 2 hours ago
MD
Associate Director for Enforcement-Investigation Supervisor
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
Work Shift/Work Hours: Day Shift
Added 2 hours ago
ES
Lead, Communications and Outreach
Elections Saskatchewan
Regina, SK
- Full-time
The role evolves over Saskatchewan's four-year general election cycle. Between elections, the focus is on outreach, civic education, publication development and communications planning. As…
Added 2 hours ago
PH
General Duty Staff Nurse, Cancer Care
Provincial Health Services Authority
Victoria, BC
- Full-time
Utilizing evidence-based practice, the General Duty Staff Nurse is responsible for providing holistic nursing care to oncology patients during their cancer care experience including but not…
Added 2 hours ago
AT
Driver Settlement Services Clerk
Armour Transportation Systems
Moncton, NB
- Full-time
Answer general payroll related questions and inquiries from drivers
Added 2 hours ago
GH
Trim Carpenter/Wood Worker Subcontract
Genesis Health Clubs
Kitchener, ON
- Full-time
Must have a smartphone and access to the internet
Added 2 hours ago
GD
QMS Auditor
General Dynamics Land Systems–Canada
London, ON
- Full-time
At General Dynamics Land Systems - Canada, we put our customers at the centre of everything we do, driven by a commitment to protect and enable the people who serve by delivering products…
Added 2 hours ago
PH
General Duty Staff Nurse, Cancer Care
Provincial Health Services Authority
Prince George, BC
- Full-time
Utilizing evidence-based practice, the General Duty Staff Nurse is responsible for providing holistic nursing care to oncology patients during their cancer care experience including but not…
Added 2 hours ago
PH
General Duty Staff Nurse, Cancer Care
Provincial Health Services Authority
Prince George, BC
- Full-time
Utilizing evidence-based practice, the General Duty Staff Nurse is responsible for providing holistic nursing care to oncology patients during their cancer care experience including but not…
Added 2 hours ago
PH
General Duty Staff Nurse, Cancer Care
Provincial Health Services Authority
Victoria, BC
- Full-time
Utilizing evidence-based practice, the General Duty Staff Nurse is responsible for providing holistic nursing care to oncology patients during their cancer care experience including but not…
Added 2 hours ago
PH
Payroll, Customer Services Representative
Provincial Health Services Authority
Burnaby, BC
- Full-time
Under general supervision and in accordance with established procedures, timeframes and various collective agreements, this position performs a variety of payroll duties including…
Added 2 hours ago
PH
General Duty Staff Nurse, Cancer Care
Provincial Health Services Authority
Surrey, BC
- Full-time
Utilizing evidence-based practice, the General Duty Staff Nurse is responsible for providing holistic nursing care to oncology patients during their cancer care experience including but not…
Added 2 hours ago
PH
Licensed Practical Nurse, Correctional Health Services
Provincial Health Services Authority
Maple Ridge, BC
- Temporary
Performs regular security functions to maintain the safety and security of patients, staff, families and the general public at all times and takes immediate action to mitigate risks, as…
Added 2 hours ago
PH
Benefits Reconciliation Clerk, Payroll
Provincial Health Services Authority
Burnaby, BC
- Full-time
Under general supervision and in accordance with established procedures, timeframes and various collective agreements, the Benefits Reconciliation Clerk performs a variety of payroll duties…
Added 2 hours ago
PH
General Duty Staff Nurse, Cancer Care
Provincial Health Services Authority
Victoria, BC
- Full-time
Utilizing evidence-based practice, the General Duty Staff Nurse is responsible for providing holistic nursing care to oncology patients during their cancer care experience including but not…
Added 2 hours ago
PH
Payroll, Customer Services Representative
Provincial Health Services Authority
Burnaby, BC
- Full-time
Under general supervision and in accordance with established procedures, timeframes and various collective agreements, this position performs a variety of payroll duties including…
Added 2 hours ago
PH
Benefits Reconciliation Clerk, Payroll
Provincial Health Services Authority
Burnaby, BC
- Full-time
Under general supervision and in accordance with established procedures, timeframes and various collective agreements, the Benefits Reconciliation Clerk performs a variety of payroll duties…
Added 2 hours ago
PH
Payroll, Customer Services Representative
Provincial Health Services Authority
Burnaby, BC
- Full-time
Under general supervision and in accordance with established procedures, timeframes and various collective agreements, this position performs a variety of payroll duties including…
Added 2 hours ago
PH
Direct Care Nurse
Provincial Health Services Authority
Surrey, BC
- Full-time
…including communicable diseases, addictions, mental health, and general health issues. Performs physical, addiction and psychiatric assessments, refers clients to the physician for further…
Added 2 hours ago
S
Biotech Scientist - Chromatography
SGS
Mississauga, ON
- $37 to $40 CAD / hour
- Full-time
…statement of duties, responsibilities, or requirements, but a general description of the job. Nothing contained herein restricts the company's rights to assign or reassign duties and…
Added 2 hours ago
PH
Direct Care Nurse
Provincial Health Services Authority
Surrey, BC
- Full-time
…including communicable diseases, addictions, mental health, and general health issues. Performs physical, addiction and psychiatric assessments, refers clients to the physician for further…
Added 2 hours ago
P
Senior React Developer
Paymentus
Richmond Hill, ON
- Full-time

Paymentus

Senior React Developer

Richmond Hill, ON, Canada

Full-time

Apply on LinkedIn About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Dec 12, 2026
Experience: 5+ years of professional experience in front-end development, with a strong focus on React.
Posting language: English
Posted: Nov 12, 2026

Original job description

Summary/Objective

We are seeking a highly skilled and experienced Senior React Developer to join our dynamic team. The ideal candidate will have a proven track record of designing, architecting, and delivering large-scale React applications using the latest development practices. You will play a key role in shaping the front-end architecture, ensuring optimal performance, and delivering high-quality, maintainable code. Additionally, you should have a keen eye for good user experience (UX), ensuring that the applications you build are not only functional but also intuitive and delightful for users. If you are passionate about building scalable, performant, and user-friendly web applications, we want to hear from you!

Essential Functions/ Responsibilities

Design, architect, and develop large-scale React applications using modern React practices (e.g., hooks, functional components, context API, etc.).
Optimize React applications for maximum performance, scalability, and maintainability.
Collaborate with cross-functional teams (designers, product managers, backend developers) to deliver high-quality features and solutions.
Write clean, reusable, and well-documented code following best practices.
Develop and maintain unit tests, component tests, and end-to-end (e2e) tests to ensure code quality and reliability.
Troubleshoot and debug issues, ensuring a smooth user experience.
Stay up-to-date with the latest trends and advancements in React and front-end development.
Mentor and guide junior developers, fostering a culture of learning and growth within the team.
Advocate for and implement user-centric design principles to ensure applications are intuitive, accessible, and visually appealing.

Required Qualifications

5+ years of professional experience in front-end development, with a strong focus on React.
Proven experience designing and architecting large-scale React applications.
Deep understanding of React build processes, including Webpack, Babel, and other related tools.
Strong knowledge of React performance optimization techniques (e.g., memoization, lazy loading, code splitting).
Solid understanding of web/internet basics (e.g., HTTP, REST APIs, browser rendering, security).
Experience writing comprehensive unit tests, component tests, and e2e tests using tools like Jest, React Testing Library, Cypress, or similar.
Proficiency in modern JavaScript (ES6+), HTML5, and CSS3.
Familiarity with state management libraries (e.g., Redux, Zustand, Recoil).
Experience with version control systems (e.g., Git).
Strong problem-solving skills and attention to detail.
Excellent communication and collaboration skills.
A demonstrated eye for good user experience (UX), with the ability to translate design concepts into functional, user-friendly interfaces.

Preferred Qualifications

Experience with TypeScript in React applications.
Familiarity with server-side rendering (SSR) and static site generation (SSG) using frameworks like Next.js.
Knowledge of CI/CD pipelines and DevOps practices.
Experience with responsive design and cross-browser compatibility.
Understanding of accessibility standards (WCAG) and best practices.
Experience working closely with UX/UI designers to implement pixel-perfect designs.

EEO Statement

Paymentus is an equal opportunity employer. We enthusiastically accept our responsibility to make employment decisions without regard to actual or perceived race,creed, color, age, sex or gender (including pregnancy, childbirth and related medical conditions), gender identity or gender expression (including transgender status), sexual orientation, national origin, ancestry, citizenship status, religion, marital status, physical or mental disability, military service or veteran status, genetic information, protected medical condition as defined by applicable state or local law, genetic information, or any other classification protected by applicable federal, state, and local laws and ordinances. Our management is dedicated to ensuring the fulfillment of this policy with respect to hiring, placement, promotion, transfer, demotion, layoff, termination, recruitment advertising, pay, and other forms of compensation, training, access to facilities and programs and general treatment during employment.

Reasonable Accommodation

Paymentus recognizes and supports its obligation to endeavor to accommodate job applicants and employees with known physical or mental disabilities who are able to perform the essential functions of the position, with or without reasonable accommodation. Paymentus will endeavor to provide reasonable accommodations to otherwise qualified job applicants and employees with known physical or mental disabilities, unless doing so would impose an undue hardship on the Company or pose a direct threat of substantial harm to the employee or others.

An applicant or employee who believes he or she needs a reasonable accommodation of a disability should discuss the need for possible accommodation with the Human Resources Department, or his or her direct supervisor.

Apply on LinkedIn About employer

More about this job

Responsibilities

Design, architect, and develop large-scale React applications, optimizing them for performance, scalability, and maintainability while delivering intuitive, accessible user experiences. Collaborate with cross-functional teams, write and maintain tests, troubleshoot issues, keep current with front-end practices, and mentor junior developers.

Requirements

Requires at least five years of front-end development experience focused on React, including experience architecting large-scale applications and strong knowledge of modern JavaScript, React build tools, performance optimization, testing, and web fundamentals. Strong problem-solving, communication, collaboration, and UX skills are required; TypeScript, Next.js, CI/CD, responsive design, accessibility, and pixel-perfect design implementation are preferred.

Skills

React
JavaScript
HTML5
CSS3
React Architecture
Performance Optimization
Webpack
Babel
Unit Testing
Component Testing
End-to-End Testing
State Management
Git
User Experience
Accessibility
Mentoring

Visa sponsorship

Not detected in the job text

Keywords

React
JavaScript
ES6+
HTML5
CSS3
Webpack
Babel
React Hooks
Functional Components
Context API
Redux
Zustand
Recoil
Jest
React Testing Library
Cypress
Unit Testing
Component Testing
End-to-End Testing
TypeScript
Next.js
Server-Side Rendering
Static Site Generation
CI/CD
DevOps
Git
REST APIs
Performance Optimization
WCAG
Responsive Design

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Work requirements

Jobs in Canada