Software Engineer | GUI

Job description:
Jump Trading Group is committed to world class research. We empower exceptional talents in Mathematics, Physics, and Computer Science to seek scientific boundaries, push through them, and apply cutting edge research to global financial markets. Our culture is unique. Constant innovation requires fearlessness, creativity, intellectual honesty, and a relentless competitive streak. We believe in winning together and unlocking unique individual talent by incentivizing collaboration and mutual respect. At Jump, research outcomes drive more than superior risk adjusted returns. We design, develop, and deploy technologies that change our world, fund start-ups across industries, and partner with leading global research organizations and universities to solve problems.

Jump Trading has a global team of technologists who architect, build and maintain our world-class trading platform. From optimizing our core trading engine to building custom hardware, we leverage software & hardware engineering, data science and research, to deliver the infrastructure and tools that drive our trading and business needs.
This role is in the Realtime Apps team where they build world class trading tools to empower trading teams to visualise and trade in markets all around the world.

What You'll Do:
In this role, you will build the next generation of high‐performance, data‐dense GUI applications that deliver real‐time market data to traders. These applications are the primary interface between users and our trading systems, with a strong focus on tick‐to‐screen latency, performance, and visual clarity.

You will focus on low‐level rendering, graphics pipelines, and efficient data delivery to the browser, leveraging modern web technologies to push the limits of what is possible in real‐time GUIs. As a senior engineer, you will help shape technical direction, mentor teammates, and establish best practices for building world‐class GUI systems.

Skills You'll Need:
· 5+ years of experience building high‐performance GUI applications
· Strong experience with React and modern web application architecture
· Deep understanding of low‐level rendering pipelines and rendering techniques
· Hands‐on experience with WebAssembly (WASM), Web APIs, WebGPU, WebGL, or equivalent graphics technologies
· Experience building real‐time, data‐intensive web applications
· Solid full‐stack fundamentals and the ability to work across frontend and backend boundaries
· Strong focus on performance, memory usage, and responsiveness under heavy data loads
· Ability to write clean, testable code and provide constructive code reviews
· Desire to take technical ownership, influence architecture, and mentor other engineers

Bonus Points:
· Experience optimizing rendering pipelines for large, frequently updating datasets
· Familiarity with browser internals and performance profiling tools
· Experience with Rust or C++
· Background in trading, finance, or other real‐time data‐driven domains