Informacje o stanowisku

We are looking for a Senior Frontend Developer with strong experience in React and TypeScript, building real-time, event-driven single-page applications (SPA) for a global financial platform.

The platform supports Sales and Trading teams across multiple asset classes (FX Options, Interest Rate Derivatives, Commodities, Credit Derivatives), providing real-time pricing, risk, and trade booking capabilities.

As part of this role, you will work with a custom React framework ensuring UI consistency, integrating closely with backend services, and optimizing performance-sensitive interfaces that update dynamically via WebSockets and RxJS observables.

Why This Role Is Unique

• Work on a strategic, real-time financial platform with global impact 
• Build high-performance, event-driven frontends used by traders and sales teams 
• Collaborate with an international team (Warsaw, London, Singapore) 
• Engage in complex, intellectually challenging projects in a strong engineering culture  
• Opportunity to influence architecture, design patterns, and performance optimization across the platform 

• 7+ years of experience in frontend development 
• Strong hands-on experience with React (Hooks), TypeScript, RxJS, WebSockets, Webpack, and building SPA applications  
• Practical experience with real-time UI communication, observables, and performance optimization  
• Solid understanding of software design patterns and frontend best practices 
• Ability to write clean, maintainable code and collaborate effectively with backend teams 
• Fluent in English (spoken and written) 

Nice to Have

• Experience with Redux and AG Grid  
• Background in event-driven UI architectures  
• Familiarity with unit testing and automated frontend testing frameworks (e.g., Jest, Storybook) 
• Experience with financial systems, trading, or e-trading platforms 
• Exposure to full-stack development with Java backend 
• Knowledge of Docker, NGINX, Yarn, CI/CD pipelines, and monitoring tools (Prometheus, ELK) 

We are looking for a Senior Frontend Developer with strong experience in React and TypeScript, building real-time, event-driven single-page applications (SPA) for a global financial platform.

The platform supports Sales and Trading teams across multiple asset classes (FX Options, Interest Rate Derivatives, Commodities, Credit Derivatives), providing real-time pricing, risk, and trade booking capabilities.

As part of this role, you will work with a custom React framework ensuring UI consistency, integrating closely with backend services, and optimizing performance-sensitive interfaces that update dynamically via WebSockets and RxJS observables.

Why This Role Is Unique

• Work on a strategic, real-time financial platform with global impact 
• Build high-performance, event-driven frontends used by traders and sales teams 
• Collaborate with an international team (Warsaw, London, Singapore) 
• Engage in complex, intellectually challenging projects in a strong engineering culture  
• Opportunity to influence architecture, design patterns, and performance optimization across the platform 

,[Build and maintain React + TypeScript SPAs with a focus on real-time data updates , Implement observables and reactive UI patterns using RxJS  , Integrate frontend with backend services through WebSockets, REST APIs, and event-driven messaging , Optimize performance and maintain high-quality, clean, and testable code , Participate in all stages of the software development lifecycle, from requirements to production support , Mentor junior developers and collaborate with global teams on technical design and feature delivery , Ensure adherence to coding standards and best practices across the UI stack , Contribute to unit tests and CI/CD pipelines (Azure DevOps)  Requirements: React, TypeScript, UI, RxJS, REST API, CI/CD Pipelines, DevOps, Webpack, Design Patterns, Redux, Unit testing, Testing, Java, Docker, Nginx, Yarn, Prometheus, ELK Stack

Praca Warszawa

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