Senior Frontend Engineer

The client is a regulated financial services company specializing in FX and gold trading execution across multiple trading platforms. The company operates under FCA regulation in the UK and focuses on providing professional customer support while serving clients in the financial trading sector. Jit Team employs over 770 experienced experts and offers developmental projects, a wide range of benefits, and a proprietary professional development programme. Jit Team is a Polish company active for more than 15 years, supporting charitable and educational initiatives locally.

• 5–8 years of commercial experience in frontend or mobile application development
• Strong hands-on experience with React Native and TypeScript
• Experience developing complex user interfaces and data-intensive application screens
• Good understanding of state management and real-time data handling
• Experience with offline handling and network-dependent application functionality
• Familiarity with AI tools and ability to discuss and demonstrate their use in engineering work
• Very good English (at least B2 level)

Nice to have:

• An engineering degree or related technical qualification
• Experience in regulated financial services or trading platforms

• 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 application workflows
• Handling offline scenarios and ensuring a reliable user experience under varying network conditions
• Integrating and processing real-time data to keep trading 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