Front End Software Engineer

**About Jane Street:** Jane Street is a quantitative trading firm that leverages cutting-edge technology to develop elegant solutions that scale well. Our core belief is that building robust and reliable applications should not require developers to manage complex state or worry about underlying infrastructure. We are committed to a user-obsessed culture, emphasizing employee well-being with competitive salaries, equity options, and comprehensive benefits. Our remote-first culture with flexible schedules allows us to collaborate effectively across time zones and locations.

**About The Role:** We are looking for a software engineer who is passionate about front-end development, user-interface design, and typed functional programming. You would take part in the design and implementation of our next-generation of browser-based tools for operating our trading infrastructure.

**Key Responsibilities:**
- Design and build sophisticated user interfaces for trading tools
- Develop libraries and abstractions for common UI patterns
- Ensure high UX bar for expert users
- Work closely with traders and engineers to understand requirements
- Optimize front-end performance and user experience

**Required Skills and Ideal Candidate:**
- Strong background in web technologies (CSS, DOM, UI frameworks)
- Practical experience building complex and polished UIs
- Appreciation for typed functional programming approaches
- Experience with languages like Elm, ReasonML, or TypeScript
- Ability to work across multiple parts of the stack
- Clear communicator who can explain technical concepts to non-technical users
- Passion for creating elegant and powerful user experiences