Senior Developer

• Build scalable performant frontend features using TypeScript and modern JavaScript.
• Own features end-to-end: translate product and design requirements into polished reliable user experiences.
• Work effectively within a mature React codebase that uses both class-based components and modern functional components with hooks.
• Develop maintain and enhance reusable UI components and contribute to shared component libraries/design systems.
• Manage complex client-side and server state using Redux Toolkit React Query and API-driven data flows.
• Build interactive dashboards data visualizations maps graphs drag-and-drop workflows and rich-text editing experiences.
• Partner closely with product design backend and QA teams to ship high-quality enterprise features.
• Improve frontend performance accessibility security testability and observability.
• Participate in code reviews mentor junior engineers and contribute to frontend engineering standards.
• Modernize legacy frontend code where appropriate including safe migration from class-based React components to functional components and hooks.

• Strong expertise in TypeScript JavaScript HTML and CSS.
• Strong experience with React class-based architecture including lifecycle methods component state props composition patterns error boundaries and performance optimization.
• Experience building and maintaining both class-based React components and functional components using hooks.
• Experience with state management patterns ideally Redux and Redux Toolkit.
• Experience integrating REST APIs and handling asynchronous server state; React Query experience is a plus.
• Strong understanding of component architecture reusable UI patterns responsive design and cross-browser compatibility.
• Experience building complex enterprise applications with large datasets and multi-step workflows.
• Familiarity with frontend testing debugging browser performance optimization and production monitoring.
• Ability to write clean maintainable code and communicate technical decisions clearly.

• Experience with geospatial or map-based interfaces such as Mapbox MapLibre or Turf.
• Experience with charting and visualization libraries such as Highcharts D3 or Cytoscape.
• Experience with rich-text editors such as Lexical or TinyMCE.
• Experience with drag-and-drop systems real-time notifications and internationalization.
• Experience working in a monorepo and maintaining shared frontend libraries.
• Familiarity with Sentry or comparable frontend observability tools.
• Experience planning and executing incremental migrations from legacy React patterns to modern React architecture.

Required Skills: