Senior React Developer - W2 & C2C - New York - Direct Client

  • New York, NY
  • Posted 13 hours ago | Updated 13 hours ago

Overview

On Site
Depends on Experience
Accepts corp to corp applications
Contract - W2
No Travel Required

Skills

Senior React Mobile Developer
Senior React Developer
greenfield project
UI/UX
Microsoft Azure
React.js.
react
wealth managemen
capital market
UI/UX design principles
Azure
CI/CD
react native

Job Details

The role is to -- Re-engineer the portal for the participants. There are about 5 million participants and the system isn t working well right now. It needs an entire re-write of the underlying system and a re-write of the UI / UX. And they may move to azure.
This is a portal that allows corporations to sell / deem / give stock to their employees. There is a corporate administrator portal, and an Employee / Participant Portal. The project is to rebuild the employee / participant portal. Because the Bank wants to
Massively increase the volume of business going thru it, and turn some of these employee/ participants into Wealth Management customers

We are seeking a highly experienced Senior React Mobile Developer to lead the end-to-end re-engineering of a high-impact Employee / Participant Portal for a major financial institution. This portal enables corporations to distribute and manage employee stock plans, and serves over 5 million participants globally. The goal is to rebuild the entire user interface and underlying architecture to improve scalability, performance, and user experience.
This is a greenfield project, offering the opportunity to architect and implement a modern solution from the ground up, with a strong focus on mobile responsiveness and cross-platform support (iOS, Android, iPads, etc.).

Key Responsibilities

  • Lead the design and development of a next-generation React-based portal for millions of participants.
  • Re-engineer both UI/UX and system architecture to handle significantly increased transaction volumes.
  • Collaborate with designers and stakeholders to deliver a seamless and intuitive user experience.
  • Develop mobile-responsive applications that perform well on iPhones, Android devices, and tablets.
  • Potentially migrate or integrate with Microsoft Azure cloud infrastructure.
  • Engage directly with business stakeholders, including wealth management and capital markets teams, to gather requirements and deliver features.
  • Operate as a self-sufficient, proactive individual contributor who can own and drive the project from inception to delivery.

Qualifications

  • 7+ years of professional experience in front-end development, with a strong emphasis on React.js.
  • Expertise in building complex, mobile-friendly UIs using modern JavaScript/TypeScript and React Native or responsive design frameworks.
  • Deep understanding of web architecture, performance optimization, and scalable frontend systems.
  • Proven track record of delivering large-scale projects in financial services, particularly in wealth management or capital markets.
  • Strong knowledge of UI/UX design principles with hands-on experience in delivering exceptional digital experiences.
  • Experience integrating with backend APIs and cloud platforms (Azure preferred).
  • Excellent communication skills and the ability to work directly with business teams and stakeholders.
  • Highly motivated, self-starter with a track record of delivering high-quality products independently

Nice to Have

  • Experience with Azure DevOps or similar CI/CD pipeliUInes.
  • Prior involvement in building systems used by tens of thousands or millions of users.
  • Familiarity with accessibility standards (WCAG, ADA) and internationalization/localization.
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