Senior Frontend Developer

Richmond Hill, Canada

We are looking for a Senior Frontend Developer with a strong background in React and modern frontend development practices. This role involves designing and maintaining high-performance user interfaces while collaborating with cross-functional teams to deliver seamless user experiences. If you have 10+ years of experience in frontend development and a passion for building scalable, responsive applications, we’d love to hear from you!

Customer Relationship
Personal Evolution
Autonomy
Administrative Work
Technical Expertise

Responsibilities

  • Develop, enhance, and maintain dynamic user interfaces using React.
  • Optimize application performance for speed and scalability.
  • Collaborate with backend developers, designers, and product managers to deliver cohesive solutions.
  • Implement responsive and accessible UI designs across multiple devices.
  • Conduct code reviews, mentor junior developers, and enforce best practices.
  • Stay updated with industry trends and emerging frontend technologies.
  • Debug, troubleshoot, and resolve UI-related issues.
  • Ensure quality assurance through automated testing and documentation.

Desired Skills/Qualifications

  • Experience: Minimum of 10 years of extensive experience working with the React framework.
  • Education: Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience)
  • Skills:
  • Proficiency in HTML, CSS, and JavaScript. 
  • Strong understanding of modern frontend development practices and tools. 
  • Strong reporting and data visualization skills.
  • Experience with state management libraries (e.g., Redux, MobX). 
  • Familiarity with RESTful APIs and GraphQL. 
  • Knowledge of build tools and package managers (e.g., git, Webpack, npm, Yarn). 
  • Excellent problem-solving skills and attention to detail. 
  • Strong communication and collaboration skills.

Why Join Connex Telecommunications? 

Innovative Excellence at Its Core

​Join a dynamic, results-driven team renowned for tackling complex challenges and delivering impactful solutions that drive consistent growth year after year.

Unparalleled Opportunities for Growth

Advance your technical expertise and career with access to leading-edge tools, certification programs, dedicated mentorship, and clear paths for internal advancement.

Shape the Future on Transformative Projects

Collaborate with world-class clients on industry-defining projects, leveraging the latest technologies to deliver tangible, meaningful results.

A Culture of Innovation

Thrive in a forward-thinking, tech-focused environment that values creativity, fosters knowledge sharing, and attending engaging events. 

A Purpose-Driven Workplace

Be part of initiatives that prioritize community development, sustainability, and social equity—making your work meaningful beyond the office.

A Truly Inclusive Team

Experience a multicultural workplace built on openness, collaboration, and celebration, with regular team-building activities and recognition for your achievements.

CONNEX Telecommunications Inc. is committed to diversity and encourages applications from all qualified candidates, especially aboriginal persons, members of sexual minority groups, persons with disabilities, visible minorities, and women. Upon request by the applicant, accommodation will be provided in all parts of the hiring process. We thank all applicants for their interest in this position, however, only those selected for an interview will be contacted.