Senior Web Engineer
You will lead web performance across Legend profiling diagnosing and shipping measurable improvements to speed responsiveness and runtime efficiency You will go deep on JavaScript internals browser rendering pipelines and real time data handling to deliver a best in class experience for active traders You will build and optimize high frequency realtime UI components that handle streaming market data without compromising frame rate or user experience You will establish performance benchmarks and monitoring systems that create a repeatable lasting standard for the team You will drive a performance first culture through code reviews technical documentation and engineering standards You will contribute to end to end feature development across Legend core trading surfaces applying your performance expertise where it matters most You will partner with product design and backend engineers to deliver polished reliable experiences at scale You will participate in roadmap planning and help scope technical work balancing feature delivery with ongoing platform health
Responsibilities
- Lead web performance across Legend by profiling diagnosing and shipping measurable improvements to speed responsiveness and runtime efficiency across the platform
- Go deep on JavaScript internals browser rendering pipelines and real time data handling to deliver a best in class experience for active traders
- Build and optimize high frequency realtime UI components that handle streaming market data without compromising frame rate or user experience
- Establish performance benchmarks and monitoring systems that create a repeatable lasting standard for the team
- Drive a performance first culture through code reviews technical documentation and engineering standards
- Contribute to end to end feature development across Legend core trading surfaces applying your performance expertise where it matters most
- Partner with product design and backend engineers to deliver polished reliable experiences at scale
- Participate in roadmap planning and help scope technical work balancing feature delivery with ongoing platform health
Requirements
- 5+ years of experience in web development with a focus on infrastructure tooling or platform engineering
- Strong programming skills in JavaScript TypeScript and at least one other language
- Experience working on frontend infrastructure CI CD pipelines build systems or internal tools
- Demonstrated ability to reduce developer friction and increase engineering productivity through technical solutions
- Comfortable working in complex developer ecosystems with hundreds of developers as stakeholders Bazel experience or similar build tools is a plus
- A mindset for building meta level systems and tools that make other engineers more effective
Benefits
- Market competitive and pay equity focused compensation structure
- 100% paid health insurance for employees with 90% coverage for dependents
- Annual lifestyle wallet for personal wellness learning and development and more
- Lifetime maximum benefit for family forming and fertility benefits
- Dedicated mental health support for employees and eligible dependents
- Generous time away including company holidays paid time off sick time parental leave and more
- Lively office environment with catered meals fully stocked kitchens and geo specific commuter benefits