Arize AI · 3 hours ago
Senior Frontend Engineer
United States
Full-time
Remote
Senior Level
$175K/yr - $200K/yr
5+ years expArize AI is a leading AI & Agent Engineering observability and evaluation platform that empowers AI engineers to deliver high-performing applications. The Senior Frontend Engineer will focus on building performant frontend experiences in React and TypeScript, collaborating with backend engineers, and providing technical leadership to enhance UX quality.
AI InfrastructureArtificial Intelligence (AI)Information TechnologyMachine LearningSoftware
Responsibilities
Spend most of your time building rich, performant frontend experiences in React + TypeScript (dashboards, traces, configuration flows, real-time views)
Collaborate with backend engineers on requirements, define API contracts, implement UI, and ship with metrics, logs, and alerts wired up
Design and implement patterns built for scale that work under real data and load
Lead frontend architecture decisions around routing, data fetching, caching, and client-side error handling
Use analytics tools, browser performance profilers, and Core Web Vitals to measure, debug, and continuously improve frontend performance
Build and iterate on visualizations for model performance, agent behavior, and real-time signals by paying attention to rendering performance and perceived latency
Drive UI resilience: robust loading states, optimistic updates where appropriate, pagination / virtualization, retry logic, and graceful degradation
Provide technical leadership: reviewing designs and PRs, mentoring engineers on frontend patterns and performance, and raising the bar on UX quality in code
Qualification
Required
5+ years of experience building user-facing web applications, including senior-level ownership of complex, high-impact projects
Fluent in React and TypeScript, and have helped shape or modernize a frontend stack
Practical experience with GraphQL (schemas, queries, mutations, performance considerations) and at least one GraphQL client
Worked on performance-sensitive or data-heavy products (dashboards, observability, dev tools, ML platforms, real-time UIs)
Use metrics and traces to guide performance work
Care about UX quality such as loading states, error states, keyboard shortcuts, micro-interaction, and express that care through clean abstractions and solid architecture
Energized by education
Preferred
Experience with data visualization libraries (D3, Vega, Plotly, visx, Recharts, etc.) and awareness of their performance tradeoffs
Experience with Python or Go services, especially in distributed or high-throughput environments
Experience setting up fine-grained product analytics and performance dashboards to track user journeys and frontend SLIs/SLOs
Benefits
Medical
Dental
Vision
A 401(k) plan
Unlimited paid time off
A generous parental leave plan
Additional support for mental health and wellness
Company
Arize AI
Arize is an AI engineering platform focused on evaluation and observability. It helps engineers develop, evaluate, and observe AI agents.
51-200 employees
H1B Sponsorship
Arize AI has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (1)
Funding
Current Stage
Growth StageTotal Funding
$131.02MKey Investors
Adams Street PartnersTCVBattery Ventures
2025-02-20Series C· $70M
2022-09-07Series B· $38M
2021-09-28Series A· $19M
Leadership Team
Jason Lopatecki
Founder - CEO
Recent News
Foundation Capital
2026-01-02
2025-12-10
varinsights.com
2025-12-03
Company data provided by crunchbase