Senior Web Developer – Client Portal

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About the role

  • Senior Web Developer owning Exegy’s financial-market client portal. Building secure, scalable React-based applications and backend integrations across global hybrid locations.

Responsibilities

  • Take technical ownership of Exegy’s client portal, driving front-end architecture, API integrations, and ongoing web platform development
  • Assess technical debt, web performance, UI/UX responsiveness, and existing front-end/backend integrations
  • Design and build responsive, client-facing features using modern JavaScript/TypeScript frameworks, including React and Vite
  • Develop and maintain backend API integrations and microservices using Python, FastAPI, or Node.js
  • Establish scalable web development standards, including automated unit/E2E testing, CI/CD pipelines, and cloud deployments
  • Partner with Product Management to turn wireframes, user flows, and business requirements into intuitive web applications
  • Improve application security, accessibility, cross-browser compatibility, and runtime performance
  • Troubleshoot complex client-side and server-side production issues, conduct root-cause analysis, and implement lasting fixes
  • Provide code reviews, front-end mentoring, and technical mentorship to peer engineers

Requirements

  • Strong professional track record as a Web Developer or Full-Stack Web Engineer delivering production-grade web applications
  • Advanced proficiency in JavaScript, TypeScript, and modern front-end frameworks; React strongly preferred
  • Solid experience designing, consuming, and maintaining RESTful APIs and backend web services
  • Proficiency with Python (FastAPI/Flask) or Node.js for backend development
  • Experience with relational databases, web application security including OAuth, JWT, and CORS, and state management
  • Mastery of modern web standards, CSS/HTML architecture, responsive design, and web performance optimization
  • Hands-on experience with Git, automated testing using Jest, Cypress, or Playwright, and CI/CD pipelines
  • Strong communication skills and ability to work across technical and nontechnical teams
  • Demonstrated ownership of complex technical projects or production applications
  • Preferred: experience with React, TypeScript, Vite, B2B SaaS platforms, enterprise portals, financial dashboards, fintech, capital markets, market-data technology, AWS/Azure, application monitoring tools, and globally distributed engineering teams

Job type

Full Time

Experience level

Senior

Salary

Not specified

Degree requirement

No Education Requirement

Tech skills

AWSAzureCloudCypressFlaskJavaScriptJestMicroservicesNode.jsPythonReactTypeScript

Location requirements

HybridMontrealCanada

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