Senior Front End Software Engineer

Chicago 2 days agoFull-time External
869.5k - 1.6m / yr
Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies. They are seeking a Senior Front End Engineer to help solve large scale, complex technical challenges and build cutting edge frontend systems for a best-in-class trading experience. Responsibilities • Articulate and contribute towards a long term technical direction for maintaining and scaling our frontend systems • Build out performant & intuitive trading interfaces using modern web tools like Typescript, React, Redux, Jest, and Webpack • Mentor and train other developers on coding standards and design philosophy • Design internal tools to increase efficiency of data mining, risk management, and more Skills • At least 5+ years of experience developing and shipping web applications using modern, component-based JavaScript frameworks like React • Industry experience within a global trading firm or hedge fund • A desire to work closely with users, gather feedback, and understand their problems • Experience shipping products from start to finish • Great communication skills along with a team player mentality • Keep up with modern front end best practices including trends in performance, usability, and security • Write high quality, well tested code • Experience with automated testing and building • Experience with Websockets & Protocol Buffers • Experience with Linux, Postgres • Experience building multi-window frontend applications, web workers, OpenGL, Canvas API Benefits • Fully paid Medical, Dental, Vision, Disability, and Life Insurance • Fully stocked kitchen; free breakfast and lunch every day on-site • Tuition Reimbursement Program • 401(k) with employer match • Paid Vacation, Sick, and Parental leaves • Commuter and Flexible Spending Programs Company Overview • Old Mission is a global, multi-asset market maker. It was founded in 2008, and is headquartered in Chicago, Illinois, USA, with a workforce of 201-500 employees. Its website is http://oldmissioncapital.com. Company H1B Sponsorship • Old Mission has a track record of offering H1B sponsorships, with 3 in 2025, 7 in 2024, 5 in 2023, 5 in 2022, 4 in 2021. Please note that this does not guarantee sponsorship for this specific role.