Senior Frontend Engineer

The client is a regulated financial services company specializing in FX and gold trading execution across multiple trading platforms. The organization combines advanced technology with a secure trading environment and transparent pricing models to deliver a high-quality trading experience. 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 also engages in charitable and educational activities, supporting schools, universities, and healthcare institutions. It is a Polish company with over 15 years of experience.

• 5–8 years of commercial experience in frontend or mobile application development
• Strong hands-on experience with React Native, Expo, and TypeScript
• Experience with native iOS and Android modules
• Practical knowledge of mobile build pipelines and release processes
• Experience publishing and maintaining applications on the Apple App Store and Google Play Store
• Knowledge of crash monitoring tools and source maps for production debugging
• Familiarity with AI tools and ability to discuss and demonstrate their use in engineering work
• Very good English (at least B2)

Nice to have:

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

• Develop and maintain mobile applications using React Native, Expo, and TypeScript
• Integrate and maintain native iOS and Android modules
• Build, maintain, and optimize mobile build pipelines
• Manage application releases to the Apple App Store and Google Play Store
• Monitor application crashes, analyze production issues, and troubleshoot with source maps
• Collaborate with cross-functional teams to deliver reliable, high-quality mobile solutions
• Use AI tools to support engineering workflows and improve development efficiency