Senior Frontend Engineer - Real-Time Trading UI (RN/TS)

Jit Team; Warszawa, Kraków; Hybrid; PLN 210,000 - 320,000; Full time

Benefits offered by this job

Flexible work organization

International environment

Regular integration meetings

Job summary

Jit Team is seeking a Senior Frontend Engineer to join a team developing a mobile trading platform. You will work on complex trading interfaces using React Native and TypeScript, focusing on features such as order tickets, portfolios, and positions.

You will build responsive and reliable user experiences, manage application state, handle offline scenarios, and integrate real-time data. An international, hybrid/work-from-home setup is offered with English daily usage.

Qualifications

• 5-8 years of commercial frontend or mobile app development experience.
• Strong hands-on experience with React Native and TypeScript.
• Experience building complex user interfaces and data-intensive screens.
• Good understanding of state management and real-time data handling.
• Experience with offline handling and network-dependent functionality.
• Familiarity with AI tools and applying them in engineering work.
• Very good English (B2 level).
• Nice to have: engineering degree or related qualification; experience in regulated financial services or trading platforms.

Responsibilities

• Developing and maintaining complex trading interfaces using React Native and TypeScript.
• Building and improving key trading features including order tickets, portfolio views, and position management screens.
• Implementing efficient state management solutions for complex workflows.
• Handling offline scenarios and ensuring reliable UX under varying network conditions.
• Integrating and processing real-time data to keep interfaces accurate and up-to-date.
• Collaborating with cross-functional teams to deliver high-quality mobile trading solutions.
• Using AI tools to support engineering workflows and improve development efficiency.

Skills

React Native

TypeScript

Frontend development

UI design

Real-time data

State management

Offline support

AI tools

English (B2+)

Education

Engineering degree

Tools

Redux

Job description

Jit Team is seeking a Senior Frontend Engineer to join a team developing a mobile trading platform. You will work on complex trading interfaces using React Native and TypeScript, focusing on features such as order tickets, portfolios, and positions.

You will build responsive and reliable user experiences, manage application state, handle offline scenarios, and integrate real-time data. An international, hybrid/work-from-home setup is offered with English daily usage.