{"id":1318183,"url":"https://alion.io/job/zalo-senior-software-engineer-reactjs-zalo-pc","title":"Senior Software Engineer, ReactJS, Zalo PC","company":{"id":183385,"name":"Zalo","domain":"zalo.me","url":"https://alion.io/company/zalo-2","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Career site","truth_index":{"grade":"A","score":95,"open_postings":36,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":181,"computed_at":"2026-10-01T05:45:00Z"}},"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":["Ho Chi Minh City, Vietnam"],"countries":["VN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"JavaScript","optional":false},{"name":"Node JS","optional":false},{"name":"React.js","optional":false},{"name":"Redux","optional":false},{"name":"Sass","optional":false},{"name":"State Management","optional":false}],"status":"live","first_seen_at":"2026-04-13T00:00:00Z","employer_posted_date":"2026-09-26","last_verified_at":"2026-10-01T02:49:29Z","board_verified":true,"closed_at":null,"days_open":171,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":171},"description":"We are looking for an experienced Lead (Senior) Front-end Developer to join our team in developing new features for Zalo Platform and building high-performance web applications. You’ll be working in a dynamic, fast-growing environment where every line of code directly contributes to the success of the product.\nWhat you will do\nLead a team of Front-end Developers to deliver high-quality features for Zalo PC;\nDefine technical direction and ensure code quality, scalability, and performance across front-end projects;\nDrive technical decisions, review code, and promote best practices in development and architecture;\nCollaborate with cross-functional stakeholders to ensure smooth delivery;\nReport progress, challenges, and milestones to management and key stakeholders;\nMentor and guide team members, fostering technical growth and effective collaboration.\nWhat you need\nFrom 4-6 years of experience in Front-end development;\nProficient in React stack (ReactJS, Redux, State Management, Functional Programming, Immutability);\nAdvanced understanding of native JavaScript ES5 & ES6+;\nExpert knowledge with HTML5, CSS3, SASS/SCSS;\nKnowledge of modern web development technologies & frameworks based on JavaScript, HTML, CSS, NodeJS;\nExpert in developing responsive layouts leveraging CSS and media queries;\nGood problem-solving skills.Nice to have: \n\nUnderstanding of practices for high code quality: maintainability, re-usability, code review, unit testing, etc;\nExperience working with Databases, Networks, and especially high-load environments.","description_format":"text","description_chars":1547,"description_truncated":false,"requirements":{"experience_years_min":4,"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":[],"lifecycle":[{"event":"open","at":"2026-09-26T20:12:57Z"}],"liveness":{"score":46,"band":"ok","label":"Likely open","p_open":1,"p_active":0.768,"p_room":0.6,"age_days":171,"expected_fill_days":181,"reasons":["conf:2","velocity","win:late","crowd:brand"],"computed_at":"2026-10-01T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/zalo-senior-software-engineer-reactjs-zalo-pc","json_url":"https://alion.io/job/zalo-senior-software-engineer-reactjs-zalo-pc.json","meta":{"generated_at":"2026-10-01T10:49:18Z","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":2069,"day_limit":5000,"remaining_today":2931,"minute_limit":60,"resets_at":"2026-10-02T00:00:00Z"}}}