Frontend Developer

Job summary

Architect and build scalable, maintainable, responsive front-end applications, integrating backend services and REST APIs. Optimize application performance, uphold accessibility and cross-browser standards, and collaborate with backend engineers, designers, and product stakeholders on data-intensive financial experiences.

Job details

Jobility Talent Solutions is hiring for a Senior Java Backend Developer opportunity with a leading financial services organization. Title- UI Developer or Frontend Developer Location- Toronto ON Long Term Contract Job Summary We are seeking a senior UI / Front-End Developer with 8+ years of experience to design and build responsive, scalable, and high-performance web applications. In this role, you will architect modern user interfaces, integrate complex backend services, and ensure seamless user experiences for our large-scale, data-driven financial systems. Key Responsibilities • UI Architecture: Architect and develop robust, maintainable, and scalable front-end solutions using modern JavaScript frameworks. • API Integration: Connect and integrate front-end applications seamlessly with backend services and RESTful APIs. • Performance Optimization: Monitor, troubleshoot, and optimize web applications to ensure maximum speed, responsiveness, and high performance. • Standards & Accessibility: Implement and enforce enterprise UI standards, ensuring cross-browser compatibility and strict adherence to web accessibility (WCAG) guidelines. • Collaboration: Partner with backend engineers, UX/UI designers, and product stakeholders to deliver transactional, data-heavy user experiences. Required Skills & Qualifications • Experience: Minimum 8+ years of professional experience in front-end or UI development, preferably within enterprise or financial environments. • Core Tech Stack: Deep expertise in React and modern JavaScript (ES6+). • Web Fundamentals: Advanced knowledge of responsive web design, HTML5, CSS3, and core UI architecture patterns. • Data Integration: Proven experience handling asynchronous data flows and integrating with REST APIs. • Systems Exposure: Familiarity building and maintaining large-scale, high-transactional web applications. Preferred / Nice-to-Have Qualifications • Domain Expertise: Strong understanding of the Banking or Capital Markets domain. • Front Office Exposure: Experience working closely with Front Office business lines, trading desks, or portfolio management teams. • Financial Systems: Familiarity with high-throughput transactional platforms, market data feeds, or financial dashboards. AI Use in Recruitment Jobility Talent Solutions may employ AI-based tools to support certain recruiting activities, however all decisions affecting a candidate's application are made by a human recruiter or hiring manager.

What you’ll do

Architect and build scalable, maintainable, responsive front-end applications, integrating backend services and REST APIs. Optimize application performance, uphold accessibility and cross-browser standards, and collaborate with backend engineers, designers, and product stakeholders on data-intensive financial experiences.

Requirements

Requires at least 8 years of front-end or UI development experience, strong expertise in React and modern JavaScript, and advanced knowledge of HTML5, CSS3, responsive design, and UI architecture. Candidates should have experience with asynchronous data flows, REST API integration, and large-scale transactional applications; banking or capital markets experience is preferred.

Listed skills

• HTML · Preferred
• REST APIs · Preferred
• CSS · Preferred
• React · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• React
• JavaScript ES6+
• HTML5
• CSS3
• Responsive Web Design
• UI Architecture
• REST APIs
• Asynchronous Data Flows
• Performance Optimization
• Web Accessibility
• WCAG
• Cross-Browser Compatibility
• Financial Systems
• Market Data Feeds
• High-Transaction Web Applications

Job areas

• Software
• Technology
• Finance & Accounting

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