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Senior Staff Engineer

StoneX Group -
Pune, Maharashtra

Apply Now

Job details

Qualifications

CI/CD
Authentication
Computer Science
React
Master's degree
Bachelor's degree
JavaScript
Continuous integration
REST
APIs
UI
TypeScript
React Native

Full job description

Overview:

Connecting clients to markets – and talent to opportunity

With 4,300 employees and over 400,000 retail and institutional clients across more than 80 offices on five continents, StoneX is a Fortune-100, Nasdaq-listed provider connecting clients to the global markets. We focus on innovation, human connection, and delivering world-class products and services to investors worldwide.

At StoneX, you’ll join an institutional-grade financial services organization building modern, high-performance digital platforms. Our teams combine cutting-edge technology, deep domain expertise, and strong engineering culture to deliver scalable and reliable trading experiences.

Responsibilities:

Position Purpose

We are seeking a Senior React UI Developer to design and build our next-generation web trading platforms. This role focuses on frontend architecture, performance optimization, and scalable UI development, working closely with backend, mobile, and platform teams.

You will play a key role in shaping UI standards, reusable component systems, and frontend best practices for highly interactive, real-time trading applications.

Primary Responsibilities

Frontend Architecture & Development

Web Trading Platforms
- Design and develop responsive, high-performance web trading applications using React and TypeScript
- Ensure consistent user experiences across browsers and devices
Component & Design System Development
- Build and maintain reusable UI components and composite components
- Enforce consistent usage of design tokens and UI primitives
- Promote best practices for component composition, accessibility, and maintainability
State Management & Routing
- Design scalable client-side state management strategies
- Implement robust routing architectures for complex, multi-domain applications

Performance & Reliability

Performance Optimization
- Implement lazy loading, code splitting, and bundle optimization strategies
- Optimize rendering performance for real-time and data-heavy UIs
Error Handling & Observability
- Implement error boundaries, logging, and monitoring for frontend applications
- Improve resiliency and debuggability of UI systems

Security & Integration

Authentication Integration
- Integrate frontend applications with IDP-based authentication systems
- Ensure secure handling of sessions, tokens, and user identity flows
API Integration
- Consume RESTful APIs and event-driven data streams efficiently
- Collaborate with backend teams to define frontend-friendly API contracts

Collaboration & Leadership

Cross-Functional Collaboration
- Work closely with product managers, designers, backend engineers, and QA teams
- Translate business and UX requirements into scalable frontend solutions
Technical Leadership
- Mentor junior and mid-level developers
- Drive frontend best practices, architectural consistency, and code quality
Stakeholder Communication
- Clearly communicate technical decisions, trade-offs, and implementation approaches

Qualifications:

Required Qualifications

To succeed in this role, you will need:

5+ years of professional frontend development experience
Expert knowledge of JavaScript and TypeScript (ES6+, async programming, closures, types)
Strong experience with React, including:
- Hooks and component patterns
- Lazy loading and code splitting
- Error boundaries and error capturing
- State management libraries
- Routing architectures
Strong understanding of frontend performance optimization techniques
Experience integrating with authentication and authorization systems
Solid understanding of RESTful APIs and frontend-backend integration

What Will Make You Stand Out

Experience building trading, financial, or real-time data platforms
Familiarity with React Native or shared web/mobile UI strategies
Experience working within large-scale design systems
Understanding of CI/CD pipelines and frontend build tooling
Experience working in regulated or security-sensitive environments

Education

Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field (or equivalent practical experience)

Working Environment

Hybrid

Apply Now

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