{"id":4181487,"url":"https://alion.io/job/ust-react-js-specialist-i-software-engineering","title":"React JS Specialist I - Software Engineering","company":{"id":1774626,"name":"UST","domain":"ust.com","url":"https://alion.io/company/ust-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"RippleHire","truth_index":{"grade":"B","score":76,"open_postings":97,"ghost_share":0,"stale_share":0.979,"repost_share":0,"time_to_fill_p50_days":34,"computed_at":"2026-11-12T10:38:37Z"}},"role":"Frontend","role_family":"Frontend","seniority":"junior","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":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"Jest","optional":false},{"name":"React Query","optional":false},{"name":"React.js","optional":false},{"name":"Redux","optional":false},{"name":"Rest API","optional":false},{"name":"Next.js","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-11-09T00:00:00Z","employer_posted_date":"2026-11-12","last_verified_at":"2026-11-12T17:31:36Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Experience: 10-15 Years\nLocation: Bangalore / Chennai / Pune / Hyderabad\nJob Summary We are looking for highly experienced React Developers / Senior React Developers with strong hands-on expertise in ReactJS, JavaScript, modern front-end engineering, and enterprise application development. The ideal candidate should have experience designing scalable front-end architectures, developing reusable UI components, optimizing application performance, and driving front-end engineering best practices across teams. Key ResponsibilitiesDesign and develop modern, scalable web applications using ReactJS.Build reusable UI components, libraries, and design systems.Design scalable and maintainable front-end architectures.Integrate front-end applications with REST APIs and backend services.Collaborate with backend, UX/UI, product, and business teams.Ensure application performance, responsiveness, scalability, and maintainability.Participate in solution design and architecture discussions.Conduct code reviews and enforce front-end development best practices.Provide technical guidance and mentoring to development teams.Mandatory SkillsStrong hands-on expertise in ReactJS.Expert knowledge of JavaScript (ES6+).Strong experience with HTML5, CSS3, and Responsive Web Design.Experience with Redux, Context API, and React Query.Strong experience with REST API integration.Hands-on experience with Git and Agile development practices.Strong understanding of front-end performance optimization.\nExperience with unit testing frameworks such as Jest and React Testing Library.\nStrong coding, debugging, and problem-solving capabilities.\nExpectations for 10-15 Years\nStrong experience designing enterprise-scale front-end architecture.\nExperience implementing reusable component libraries and design systems.\nAbility to make front-end architecture and technology decisions.\nExperience driving performance, scalability, maintainability, and code-quality improvements.\nStrong cross-functional technical leadership.\nAbility to mentor developers and establish front-end engineering best practices.\nGood to Have\nTypeScript\nNext.js\nMicro Front-End ArchitectureBanking / Financial Services domain experienceFinacle exposureProfiles Not SuitablePlease exclude profiles primarily focused on:\nBusiness AnalysisProduction/Application SupportImplementation or Deployment-only activitiesFunctional rolesProfiles without strong recent hands-on ReactJS development 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