{"id":703672,"url":"https://alion.io/job/firework-sr-frontend-software-engineer","title":"Sr. Frontend Software Engineer","company":{"id":673315,"name":"Fire Work","domain":"firework.com","url":"https://alion.io/company/firework-4","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":95,"open_postings":13,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":76,"computed_at":"2026-11-02T06:13:15Z"}},"role":"Frontend","role_family":"Frontend","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Hong Kong"],"countries":["HK"],"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":"AI Agents","optional":false},{"name":"Git","optional":false},{"name":"React.js","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-03-20T16:57:08Z","employer_posted_date":"2026-03-20","last_verified_at":"2026-11-02T07:48:13Z","board_verified":true,"closed_at":null,"days_open":226,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":226},"description":"About Firework\nJoin Firework - Where Innovation Meets Impact\nFirework is redefining the future of commerce as an AI and video commerce company - combining cutting-edge technology, an exclusive network of enterprise brands and retailers, and a first-mover position to win the agentic commerce race.\nWe've built the world's most advanced and largest video commerce platform, trusted by global brands and leading retailers. But we're more than software - our compounding network effect grows stronger with every partner we add, bringing the energy of in-store experiences online and transforming how businesses engage, convert, and build lasting customer relationships at scale.\nHaving raised over $235M to date, led by investors such as SoftBank Vision Fund 2, and operating at global scale, we offer unparalleled opportunities to solve complex challenges and drive meaningful impact in the future of connected commerce.\nIf you're curious, ambitious, and energized by big ideas - Firework is the place to grow, lead, and shape what comes next. Together.\nSummary\nOur Engineering team is growing! We’re seeking a skilled Sr. Frontend Engineer to join our global team, who takes a customer-oriented approach to building and scaling highly-visible front architecture and design. You love solving complex problems with creativity and find joy building things from scratch via simple, optimized robust code.\nWhat you’ll be doing\nAssess, define, and develop rich user interface and experience across scalable and distributed sites and systems that integrate with back-end components\n\nWork closely with customers, address their technical questions and provide scalable solutions that can apply to all customers\n\nIntegrate with product managers, designers, and the rest of the engineering team to create elegant, responsive, and scalable user experience across multiple devices\n\nPartner closely with the engineering team to improve engineering standards, tooling, and processes\n\nReview code by your peers and help and provide insights from your experience of building and maintaining a repository of high-quality and reusable front end code\n\nProvide technical leadership and documentation to key technical and business stakeholders, proactively informing of important project details and phases of development\n\nWe’ll be excited if you have\nBachelor’s degree in Computer Science, Engineering or relevant field\n\n4+ years of related experience\n\nAdvanced proficiency in building responsive and scalable Web applications in React\n\nProven experience with AJAX, XML, JSON, and best practice design patterns\n\nFamiliarity with UX principles and site performance optimization\n\nAdvanced knowledge/ experience with React\n\nStrong grasp of computer science fundamentals, such as data structures and algorithms\n\nWorking experience with automated testing and version control systems like Git\n\nTeam-oriented mindset and excellent communication skills; 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