Senior React Frontend Developer

This role is for a senior frontend engineer with React expertise working remotely for a major North American bank. The position involves building new systems to support the bank's bonds and commodities business as part of the core product team in the capital markets division. The developer will work through a Polish company providing support and administrative assistance.

• 6+ years of professional experience with React and JavaScript/TypeScript.
• Strong analytical and problem-solving skills.
• Open mind, curiosity, and a strong desire to learn new technologies and business domains.
• Ability to clearly explain non-trivial systems and algorithms.
• Ability to follow and understand technical conversations.
• Humility to ask questions where necessary.
• Ability to align working schedule to US Eastern business hours during onboarding.

Nice to have:

• Exposure to backend Java (reading backend code occasionally required).
• Experience developing with OpenFin, Electron, or similar desktop runtimes.
• Financial market experience.
• A computer science degree from a top Polish technical university.

• Design, develop, and maintain desktop applications written in React using JavaScript and TypeScript with the OpenFin framework.
• Ensure high performance and reliability by writing well-structured code.
• Work with backend systems via REST APIs and data streaming.
• Participate in team discussions and contribute to architectural decisions for improving system scalability and maintainability.
• Ability to read backend Java code is a plus.

Only open to residents of Poland, including Polish citizens and legal residents with permission to work in Poland. Initial onboarding requires working in sync with US Eastern business hours (until 21:00 CET) for the first two months.