{"id":1356972,"url":"https://alion.io/job/lucio-senior-frontend-engineer-2","title":"Senior Frontend Engineer","company":{"id":3002,"name":"Lucio","domain":"lucioai.com","url":"https://alion.io/company/lucio","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Frontend","role_family":"Frontend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Bengaluru, India"],"countries":["IN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":17000,"max_usd":47000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":8},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Ant Design","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"Mantine","optional":false},{"name":"Material UI","optional":false},{"name":"Next.js","optional":false},{"name":"Parcel","optional":false},{"name":"React Hook Form","optional":false},{"name":"React Query","optional":false},{"name":"React.js","optional":false},{"name":"Redux Toolkit","optional":false},{"name":"Remix","optional":false},{"name":"Rest API","optional":false},{"name":"State Management","optional":false},{"name":"SWR","optional":false},{"name":"Tailwind CSS","optional":false},{"name":"Vite","optional":false},{"name":"Vue.js","optional":false},{"name":"Webpack","optional":false},{"name":"Zustand","optional":false},{"name":"Redux","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-09-27T22:45:33Z","employer_posted_date":null,"last_verified_at":"2026-09-27T22:45:33Z","board_verified":false,"closed_at":null,"days_open":2,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":2},"description":"We're hiring a Senior Frontend Engineer to build intuitive, high-quality user experiences for Lucio's AI-native legal platform. This role focuses on translating complex AI-driven workflows into clean, reliable, and usable interfaces that legal professionals can trust and adopt easily. You'll work closely with product managers, backend engineers, and designers to build scalable frontend systems, reusable components, and thoughtful user interactions. The role is hands-on and ownership-driven, with direct impact on how users interact with Lucio's core features every day.\nResponsibilities:\nDesign and build scalable, high-quality frontend applications using React and modern JavaScript (ES6+).\nDevelop reusable UI components and contribute to a consistent design system.\nImplement efficient client-side and server-side state management for data-heavy workflows.\nBuild robust forms and validation flows for complex user inputs.\nOptimize frontend performance through techniques such as code splitting, lazy loading, memoization, and efficient rendering.\nCollaborate closely with backend, product, and design teams to deliver cohesive features end-to-end.\nEnsure cross-browser compatibility, responsiveness, and accessibility best practices.\nWrite clean, maintainable, and well-documented code.\nParticipate in code reviews and contribute to frontend architecture decisions.\nDebug and resolve production UI issues with a focus on user experience.\nRequirements:\n5+ years of experience building frontend applications in production environments.\nStrong proficiency in JavaScript (ES6+) with a solid grasp of asynchronous programming.\nExtensive experience with React, including hooks, component lifecycle, routing, and complex UI composition.\nExperience working with UI component libraries or design systems (MUI preferred; AntD, Chakra, or Mantine acceptable).\nPractical experience with client-side state management (Redux Toolkit, Zustand, or similar).\nExperience with server-side state management or data fetching libraries (React Query / TanStack Query, SWR, or RTK Query).\nHands-on experience building complex forms and validation flows (react-hook-form preferred; zod or yup).\nStrong understanding of CSS3 responsive design and modern layout techniques (Flexbox, Grid).\nProven ability to identify and implement frontend performance optimizations.\nFamiliarity with frameworks like Next.js or Remix, including SSR/SSG concepts.\nExposure to utility-first styling approaches such as Tailwind CSS.\nWorking knowledge of Git and collaborative development workflows.\nUnderstanding of web fundamentals such as HTTP, REST APIs, and browser developer tools.\nFamiliarity with modern build tools like Vite, Webpack, or Parcel.\nAwareness of accessibility standards (WCAG) and inclusive frontend practices.\nAbility to work independently in a fast-moving startup environment with high ownership.","description_format":"text","description_chars":2880,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Document AI","Legal AI"],"lifecycle":[{"event":"open","at":"2026-09-27T22:45:33Z"}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":1,"expected_fill_days":23,"reasons":["seen:1","win:early"],"computed_at":"2026-09-29T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/lucio-senior-frontend-engineer-2","json_url":"https://alion.io/job/lucio-senior-frontend-engineer-2.json","meta":{"generated_at":"2026-09-30T01:09:46Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":689,"day_limit":5000,"remaining_today":4311,"minute_limit":60,"resets_at":"2026-10-01T00:00:00Z"}}}