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Milestone Technologies, Inc. is hiring: [Hiring] Senior UI/UX Developer @MilestoMediabistro • Germany, OH, United States
Milestone Technologies, Inc. is hiring : [Hiring] Senior UI / UX Developer @Milesto
Mediabistro • Germany, OH, United States
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- serp_jobs.job_card.full_time
job_description.job_card.job_descriptionFrontend Stack : Expert in React + TypeScript , modern state / data tools, and routing. Styling & Systems : CSS expertise (Flex / Grid), component libs and utility frameworks (e.g., Tailwind, MUI / Ant), design tokens, theming, and responsive design. API Integration : Strong REST / WebSocket / SSE integration, schema-driven development (OpenAPI / JSON Schema), error handling, and pagination / streaming patterns. Testing & Quality : Jest + React Testing Library, Cypress / Playwright, story-driven development (Storybook or similar), visual regression testing. Security & Auth UX : OIDC / OAuth2 SSO flows, CSRF / XSS mitigations, secure handling of tokens / session state, and role-aware UI controls. Performance : Profiling and optimization (bundle splitting, memoization, virtualization), Core Web Vitals awareness, and perceived-latency improvements. Tooling : Git-based workflows, CI / CD familiarity, lint / format / type-safety discipline; strong documentation and design-handoff skills (Figma). Explainability & Data Viz : Charts / tables and graph visualizations (e.g., Recharts, D3, Cytoscape.js / Sigma.js) for sources, subgraphs, and call graphs. AI UX Patterns : Prompt / response UI nuances, citation rendering, safety / guardrail feedback messaging, and evaluation review panels. Design Ops : Design token pipelines, theme packs, multi-brand support, and cross-repo component publishing (Storybook / Nx / Turborepo). Observability : Frontend tracing / metrics (OpenTelemetry JS), UX analytics (Segment / GA4), and event taxonomy design. Feature Delivery : LaunchDarkly / Flagsmith, canary / experimentation hooks, and remote config.
Job Overview
We7re hiring a Senior UI / UX Developer to design and build user interfaces for an AI-first, data-centric platform. Youll own the end-to-end experience for chat / assistive workflows, human-in-the-loop (HITL) approvals , and explainability views (sources, rationales). The ideal candidate blends product sense with strong frontend engineering, accessibility, and design-system rigor-shipping fast, usable, and secure interfaces.
Key Responsibilities
- Product UX & Flow Design : Define user journeys for discovery answer approval action; craft low / high-fidelity prototypes and interaction specs.
- HITL & Explainability UI : Build approval modals and review panes that summarize intent, scope, impacted systems, and sources / subgraph rationale; ensure clear confirm / reject flows with auditability.
- Chat & Workspace Interfaces : Implement responsive chat / workbench UI, message streaming, citations, error states, and retries; support role-based views and guardrail feedback.
- Component Library & Design System : Establish reusable components, tokens, theming, and documentation; maintain consistency, accessibility, and performance across surfaces.
- Frontend Engineering : Ship production SPAs with robust state / data fetching, routing, optimistic updates, and skeleton / loading patterns.
- Accessibility & Quality : Enforce WCAG-aligned semantics, keyboard navigation, focus management, and contrast; write unit / e2e tests and visual regressions.
- Telemetry & Experimentation : Instrument UX metrics (latency, drop-offs), feature flags, and A / B hooks; partner on dashboards for usability and adoption.
- Collaboration & Delivery : Work with analysts on acceptance criteria, with backend / AI engineers on contracts, and with security on SSO / entitlement UX. Participate in code reviews and release rituals.
Required Skills
Good to Have Skills
This role is ideal for a hands-on developer who can turn complex reasoning and approval workflows into fast, accessible, and trustworthy experiences-while building the component foundations others can reuse.
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Inc Inc Hiring • Germany, OH, United States
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