{"id":1223601,"url":"https://alion.io/job/hcltech-senior-developer-web-ui-html-javascript-react-js","title":"Senior Developer - Web UI (HTML, JavaScript, React.js)","company":{"id":225,"name":"HCLTech","domain":"hcltech.com","url":"https://alion.io/company/hcltech","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","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":"inferred","locations":[],"countries":[],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"GCP","optional":false},{"name":"Git","optional":false},{"name":"JavaScript","optional":false},{"name":"Jest","optional":false},{"name":"Kubernetes","optional":false},{"name":"npm","optional":false},{"name":"React.js","optional":false},{"name":"Redux","optional":false},{"name":"Rest API","optional":false},{"name":"Scrum","optional":false},{"name":"Spring Boot","optional":false},{"name":"State Management","optional":false},{"name":"Webpack","optional":false},{"name":"Yarn","optional":false},{"name":"Java","optional":true}],"status":"live","first_seen_at":"2026-09-25T13:03:49Z","employer_posted_date":"2026-09-25","last_verified_at":"2026-09-27T02:34:24Z","board_verified":false,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"Job Summary\nDesign, develop, and maintain scalable, high-performance web applications using React.js.\nCollaborate with product owners, UX designers, backend developers, and QA teams to deliver quality software solutions.\nBuild responsive and reusable UI components following modern frontend development practices.\nIntegrate frontend applications with REST APIs and ensure seamless data flow.\nParticipate in code reviews, troubleshooting, performance optimization, and technical discussions.\nFollow Agile development methodologies and contribute to continuous improvement initiatives.\nMentor junior developers and support best practices in coding and application architecture.\nKey Responsibilities\nStrong hands-on experience in React.js, JavaScript (ES6+), HTML5, and CSS3.\nExperience with state management libraries such as Redux, Context API, or similar.\nSolid understanding of RESTful APIs and frontend-backend integration.\nProficiency in modern frontend development tools such as Webpack, npm, or Yarn.\nExperience with responsive design and cross-browser compatibility.\nStrong knowledge of Git version control and collaborative development practices.\nFamiliarity with unit testing frameworks such as Jest, React Testing Library, or similar.\nExcellent problem-solving, debugging, and communication skills.\nExperience working in Agile/Scrum environments.\nMinimum 5+ years of frontend development experience, with at least 3+ years in React.js.\nSkill Requirements\nExperience with Spring Boot and Java-based backend development.\nKnowledge of designing, developing, or consuming REST APIs using Spring Boot.\nExposure to cloud platforms such as AWS, Azure, or GCP.\nExperience with CI/CD pipelines, Docker, or Kubernetes.\nUnderstanding of microservices architecture.\nExperience with performance monitoring and application optimization.\nKnowledge of security best practices for web applications.\nPrevious experience leading technical initiatives or mentoring development teams.\nOther Requirements\nExperience with Spring Boot and Java-based backend development.\nKnowledge of designing, developing, or consuming REST APIs using Spring Boot.\nExposure to cloud platforms such as AWS, Azure, or GCP.\nExperience with CI/CD pipelines, Docker, or Kubernetes.\nUnderstanding of microservices architecture.\nExperience with performance monitoring and application optimization.\nKnowledge of security best practices for web applications.\nPrevious experience leading technical initiatives or mentoring development teams.","description_format":"text","description_chars":2500,"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":["IT Consulting & Digital Transformation","IT Outsourcing & Dedicated Teams","Systems Integrators"],"lifecycle":[{"event":"open","at":"2026-09-25T13:03:49Z"}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":22,"reasons":["conf:27","velocity","win:early","comp:brand"],"computed_at":"2026-09-28T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/hcltech-senior-developer-web-ui-html-javascript-react-js","json_url":"https://alion.io/job/hcltech-senior-developer-web-ui-html-javascript-react-js.json","meta":{"generated_at":"2026-09-29T03:00:18Z","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":2666,"day_limit":5000,"remaining_today":2334,"minute_limit":60,"resets_at":"2026-09-30T00:00:00Z"}}}