Senior Frontend Engineer building reliable order - flow and trading experiences for Wealthsimple, Canada’s leading financial innovator. Owning frontend systems across equities, options, crypto, and real - time market data.
About the role
- Web Developer building Exegy’s client portal and web platforms for financial-market technology clients. Developing responsive interfaces, API integrations, backend services, testing, and performance improvements.
Responsibilities
- Design, build, and maintain responsive, client-facing portal features using modern JavaScript/TypeScript and front-end frameworks
- Develop backend services, RESTful API integrations, and data connections using Python or Node.js
- Turn wireframes, user stories, and product specifications into accessible, high-performing web pages and interface components
- Write clean, testable code and expand automated unit, integration, and end-to-end (E2E) testing suites
- Participate in active code reviews, sprint planning, and front-end design discussions
- Diagnose and resolve client-side UI bugs, cross-browser issues, API integration failures, and performance bottlenecks
- Support CI/CD deployment workflows and maintain clear technical documentation for web components and workflows
- Partner cross-functionally to refine requirements and continuously optimize user experience
Requirements
- Professional experience building, shipping, and supporting production web applications
- Proficiency in JavaScript or TypeScript and modern front-end frameworks; React strongly preferred
- Experience developing and consuming RESTful APIs and connecting backend web services
- Experience with Python (FastAPI/Flask) or Node.js for server-side logic
- Solid understanding of HTML5, CSS3/SASS, DOM manipulation, and responsive design
- Familiarity with relational databases, Git, automated testing frameworks, and modern web deployment pipelines
- Strong troubleshooting skills and collaborative problem-solving approach
- Demonstrated ownership of complex technical projects or production applications
- Strong communication skills and ability to work across technical and nontechnical teams
- Preferred: React, TypeScript, Vite, Python, FastAPI, B2B SaaS interfaces, enterprise portals, client dashboards, web application security, performance optimization, fintech/capital markets/market data, AI-enabled services, and globally distributed engineering teams
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
No Education Requirement
Tech skills
Location requirements
Report this job
Found something wrong with the page? Please let us know by submitting a report below.
Senior Frontend Engineer owning Spare’s Nutshell design system and accessible React interfaces. Building operational transit software used by agencies worldwide.
Senior frontend - leaning fullstack engineer scaling React systems for exacare ai’s AI operating system for post - acute care. Improving healthcare workflows, quality, and clinical decision - making.
Senior frontend engineer leading React architecture for Instacart’s self - serve advertising platform. Building campaign management, reporting, performance, and design - system experiences.
Staff engineer leading architecture and development of scalable web services for Thunderbird’s privacy - focused email ecosystem. Shaping products, analytics, technical direction, and engineering practices.
Staff software engineer shaping scalable web services for Thunderbird, an open - source privacy - focused email and productivity platform. Leading architecture, prototypes, analytics, and technical direction.
Développeur·euse Frontend React contribuant aux projets technologiques canadiens de Maplr, startup reliant les talents mondiaux aux entreprises canadiennes. Conception d’architectures et développement d’interfaces web React performantes.
Senior Front End Engineer building React applications and streamed AI - generated experiences for Knotch’s content performance marketing platform. Developing multi - tenant interfaces, embeds, and data visualizations.
Front - End Engineer building responsive interfaces for Ontinue’s AI - powered MXDR cybersecurity platform. Integrating APIs, optimizing performance, and developing reusable components for secure security dashboards.
React developer building interactive community features for Pelmorex’s Weather Network and MétéoMédia apps. Developing scalable mobile and web experiences with real - time chat and social functionality.