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Tekgence Inc

UI/UX Developer

On site

Toronto, Canada

Senior

Freelance

02-02-2026

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Skills

Leadership Java JavaScript TypeScript GitHub CI/CD Jenkins Problem-solving Architecture Azure react AWS cloud platforms JavaScript/TypeScript Spring React.js Redux GCP CI/CD Pipelines Java/J2EE Microservices GitHub Actions

Job Specifications

Job Summary

We are looking for a Senior UI/UX Developer with strong React expertise and experience building scalable, secure, and high-performance enterprise applications. The ideal candidate has hands-on experience with modern front-end frameworks, CI/CD pipelines, cloud platforms, and front-end architecture, along with the ability to collaborate across product, UX, backend, and security teams.

Key Responsibilities

Design, develop, and maintain scalable, high-performance front-end applications using React.js and TypeScript
Build reusable, component-driven UI architectures following best practices
Implement micro-frontend and responsive UI solutions with accessibility (WCAG) compliance
Collaborate with backend teams on secure integration with Java/J2EE and Spring-based microservices
Implement and support CI/CD pipelines for front-end build and deployment
Ensure application security through proper authentication, authorization, and token-based access
Optimize application performance across browsers and devices
Mentor junior developers and contribute to UI architecture decisions
Create and maintain technical documentation, coding standards, and UI guidelines

Required Skills & Experience

7+ years of experience building scalable front-end applications
Strong experience with React.js, JavaScript/TypeScript, Redux, Hooks, and Webpack
Experience with modern UI component libraries
4+ years of experience working with Java/J2EE and Spring Framework microservices
5+ years of experience with CI/CD tools such as Jenkins, GitHub Actions, and cloud deployment tools
Solid understanding of front-end security concepts (authentication, authorization, IAM integration)
Strong knowledge of web security best practices (OWASP, CSP, XSS prevention)
Excellent debugging and problem-solving skills

Nice to Have

Experience designing secure front-end solutions for cloud platforms (AWS, Azure, GCP)
Knowledge of micro-frontends and large-scale front-end architectures
Leadership or mentoring experience
Familiarity with enterprise security standards and compliance

About the Company

We accelerate business transformation by solving complex technology, business and talent challenges. A digital transformation Partner and Global consulting firm transforming clients business, operating and technology models for the digital era. Strong experience to support the industry providing change management and business process improvement services with a specialist knowledge in Procurement, Supply Chain and Logistics. Know more