{"id":2121610,"url":"https://alion.io/job/baesystems-senior-reactjs-developer","title":"Senior ReactJS Developer","company":{"id":35771,"name":"BAE Systems","domain":"baesystems.com","url":"https://alion.io/company/baesystems","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Career sitemap","truth_index":{"grade":"B","score":80,"open_postings":69,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":21,"computed_at":"2026-10-10T05:45:15Z"}},"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":["Kuala Lumpur, Malaysia"],"countries":["MY"],"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":"Java","optional":false},{"name":"Material UI","optional":false},{"name":"Python","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true},{"name":"React.js","optional":true}],"status":"live","first_seen_at":"2026-07-21T12:00:00Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-11T17:11:35Z","board_verified":true,"closed_at":null,"days_open":82,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":82},"description":"Location(s):\nBAE Systems Digital Intelligence is home to 4,500 digital, cyber and intelligence experts. We work collaboratively across 10 countries to collect, connect and understand complex data, so that governments, nation states, armed forces and commercial businesses can unlock digital advantage in the most demanding environments.\nAbout The Team\nBAE Systems Digital Intelligence is home to over 4,000 digital, cyber and intelligence experts. We work collaboratively across 10 countries to collect, connect and understand complex data, so that governments, nation states and commercial businesses can unlock digital advantage in the most demanding environments.\nAt our Malaysian Global Delivery Centre, we support our global business in the development of software products to support our customer mission covering product domains such as geospatial, cybersecurity and complex data analytics platforms.\nWe are looking for an enthusiastic candidate to work as a Lead ReactJS Developer as part of an agile development team.\nInterview Process\nOur interview process includes an in-person deep dive into the projects and experiences listed on your CV. Please ensure your CV accurately reflects your hands-on experience rather than rely on AI generated content. You will be expected to discuss the technical contributions listed in your CV in detail.\nWhat you will be doing\nDesign and implement responsive web interfaces using ReactJS, Typescript, Material UI and other related technologies.\nCollaboratively work with UK based stakeholders with abilities for fast prototyping of UIs with insights on technical feasibility, risk, and timeline trade-offs.\nOpportunities for involvement in complex UI creation such as those involving vectors or geospatial elements\nWrite clean, modular, and maintainable code with comprehensive unit tests, adhering to industry best practices and coding standards.\nRole requirements:\nThis is a hands-on technical role, candidates keen to remain on the technical career pathway are encouraged to apply\nStrong development background in FE technologies such as ReactJS, Typescript and Material UI expected, including advanced applications such as 3D rendering.\nA keen eye for visual detail, layout, spacing, typography and overall UI quality.\nExperience with backend technologies such as Java or Python an advantage.\nIdeal candidate has at least 5 years of relevant work experience.\nShould possess at least a bachelor’s degree in computer science / information technology / engineering or equivalent with minimum CGPA 3.00.\nStrong English communication skills with ability to communicate confidently to international stakeholders.\nDue to regulatory and compliance requirements, AI-assisted coding tools may be restricted in some projects. Candidates should possess strong programming fundamentals and be capable of delivering high-quality code without dependence on AI code generators.\nWhat we offer\nAn exciting opportunity to be part of the development of new product lines presenting a high level of technical challenge. We will support you with access to online L&D platforms, senior mentors and the opportunity for external training aligned to your work.\nWork-life balance is important; you’ll get 18 days holiday a year (increases to 21 after 5 years’ service).\nWe support hybrid working and give flexibility for team leads to decide on the balance between remote and office-based working.\nOur benefits package includes private family medical cover, maternity (4 months), paternity (2 weeks) & study leave.\nWe provide an annual allowance that can be used for dental, optical or health screening purposes.\nYou’ll be part of our annual bonus and share award scheme.\nYou’ll have a dedicated line Manager to help you develop your career and guide you on your journey through BAE Systems Digital Intelligence.\nLife at BAE Systems Digital Intelligence\nWe are embracing Hybrid Working. This means you and your colleagues may be working in different locations, such as from home, another BAE Systems office or client site, some or all of the time, and work might be going on at different times of the day.\nBy embracing technology, we can interact, collaborate and create together, even when we’re working remotely from one another. Hybrid Working allows for increased flexibility in when and where we work, helping us to balance our work and personal life more effectively, and enhance well-being.\nDiversity and inclusion are integral to the success of BAE Systems Digital Intelligence. We are proud to have an organisational culture where employees with varying perspectives, skills, life experiences and backgrounds - the best and brightest minds - can work together to achieve excellence and realise individual and organisational potential.\nEngineering\nExperienced professionals","description_format":"text","description_chars":4804,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":true},"security_clearance":false,"languages":[{"language":"English","level":"Upper-Intermediate (B2)","optional":false}]},"benefits":["Hybrid work"],"hiring_locations":[{"name":"Malaysia","iso":"MY","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-08T23:59:44Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.299,"p_room":0.28,"age_days":80,"expected_fill_days":21,"reasons":["conf:3","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-10T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/baesystems-senior-reactjs-developer","json_url":"https://alion.io/job/baesystems-senior-reactjs-developer.json","meta":{"generated_at":"2026-10-11T20:36:58Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":8773,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-12T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":35771},"rest":"https://alion.io/mcp/rest/get_company?id=35771"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fbaesystems-senior-reactjs-developer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fbaesystems-senior-reactjs-developer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fbaesystems-senior-reactjs-developer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/baesystems-senior-reactjs-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fbaesystems-senior-reactjs-developer"}]}