Lunar

Staff Frontend Engineer

Lunar
Apply
2 months ago

Base Salary

$190k - $250k/yr

Responsibilities

  • Build a clinical design system, component library, and frontend patterns for consistent and efficient clinician-facing interfaces.
  • Modernize clinical workflows into fast, keyboard-driven, intuitive user experiences.
  • Architect GraphQL data layers, caching, and subscription patterns for instantly updating clinical data.
  • Engineer accessible, resilient, and high-performance interfaces that function under degraded networks and high-pressure conditions.
  • Transform dense clinical and operational data into clear, glanceable, decision-ready interfaces.
  • Define frontend state management and rendering architecture while balancing developer velocity with mission-critical reliability.

Requirements

  • At least 10 years of professional software engineering experience with a deep focus on frontend development.
  • Expertise in TypeScript, JavaScript, React, HTML, CSS, browser internals, rendering performance, state management, and real-time reactive UIs using GraphQL APIs.
  • Experience with client-side data loading and management, including caching, freshness, ownership, and push-update optimization.
  • Understanding of browser rendering cycles and experience profiling and optimizing responsive, data-dense interfaces.
  • Strong knowledge of modern React patterns, functional programming principles, custom hooks, and reusable component architectures at scale.
  • Deep fluency with asynchronous JavaScript control flow and experience diagnosing race conditions, ordering issues, and unhandled rejections in real-time systems.
  • Comfort adopting tools including Elixir, Erlang, Phoenix, Postgres, and AWS.
  • Experience building products from 0 to 1 with strong product sense.
  • Strong collaboration, communication, problem-solving, technical decision-making, and first-principles thinking skills.
  • Familiarity with open-source technology and willingness to explore new solutions; healthcare passion is a plus.

Benefits

  • Flexible hybrid work environment with an expectation of working onsite three days a week.
  • Inclusive workplace committed to diversity, fairness, and employee support.

Tech Stack

AWSCSSElixirErlangGraphQLHTMLJavaScriptPhoenixPostgreSQLReactTypeScript

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