Application Developer — Cloud Fullstack
JOB_53542091122069Job type
ContractLocation
Toronto - HybridProfession
Software DevelopmentIndustry
Banking & Financial ServicesPay
Competitive Rate
Exciting Contract opportunity — Application Developer-Front End
Your new company
A leading IT consulting firm is seeking a Front-End Application Developer to support a major banking client in Canada.
Your new role
We are seeking a highly experienced Application Developer to join our dynamic team, driving the development of scalable, high-performance web applications for our B2C eCommerce platform. You will play a key role in architecting and optimizing user experiences, integrating with complex back-end systems, and implementing personalization strategies.
Key Responsibilities:
- Develop and maintain advanced ReactJS applications using hooks, Redux, Context API, and component-based architecture.
- Optimize front-end performance through techniques like code splitting, lazy loading, and caching.
- Implement responsive UI using HTML5, CSS3, SASS/LESS, Material-UI, and Tailwind CSS.
- Design and manage GraphQL schemas, queries, mutations, and subscriptions.
- Integrate middleware with back-end systems and third-party APIs, ensuring secure and efficient data flow.
- Apply API security best practices including OAuth 2.0, JWT, and secure transport protocols.
- Tune middleware performance to handle query complexity and avoid over/under-fetching.
- Build scalable solutions for high-traffic eCommerce environments with secure session handling and transaction flows.
- Implement personalization features and support multi-account handling for individual and business users.
What you'll need to succeed
- 8+ years ReactJS (hooks, Redux, Context API, component architecture, testing)
- Advanced JavaScript/ES6+ (async programming, modularization, optimization)
- Front-end performance tuning (code splitting, lazy loading, caching, rendering)
- HTML5/CSS3 with SASS/LESS, Material-UI, Tailwind CSS
- 6+ years GraphQL (schemas, queries, mutations, subscriptions)
- Middleware integration with back-end systems and third-party APIs
Preferred Experience:
- API security (OAuth 2.0, JWT, secure transport, gateway design)
- Middleware performance optimization
- High-traffic B2C eCommerce platforms
- Personalization and multi-account strategies
What you'll get in return
Competitive rate and a collaborative and professional work environment
What you need to do now
If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.
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Application Developer — Cloud FullstackJOB_535420911220692025-11-032026-02-02
Talk to Jackson Bales, the specialist consultant managing this position
Located in Toronto (EN), 8 King Street East, 20th FloorTelephone: 604-648-1721JOB_53542091122069