{"id":1180547,"url":"https://alion.io/job/darktrace-frontend-software-engineer-javascript-typescript-react","title":"Frontend Software Engineer (JavaScript / TypeScript & React)","company":{"id":148,"name":"Darktrace","domain":"darktrace.com","url":"https://alion.io/company/darktrace","size_band":"1001-5000","is_staffing_agency":false,"is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"A","score":85,"open_postings":13,"ghost_share":0,"stale_share":0.615,"repost_share":0,"time_to_fill_p50_days":28,"computed_at":"2026-09-24T05:45:00Z"}},"role":"Frontend","role_family":"Frontend","seniority":null,"employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Cambridge, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Angular","optional":false},{"name":"Darktrace","optional":false},{"name":"Figma","optional":false},{"name":"Git","optional":false},{"name":"GitHub","optional":false},{"name":"JavaScript","optional":false},{"name":"React.js","optional":false},{"name":"Redux","optional":false},{"name":"TypeScript","optional":false},{"name":"Vue.js","optional":false}],"status":"live","first_seen_at":"2026-09-24T13:47:19Z","employer_posted_date":"2026-09-24","last_verified_at":"2026-09-24T13:47:19Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Darktrace is a global leader in AI-driven cybersecurity, helping organizations stay ahead of evolving threats every day.\nDarktrace was built on a genuinely differentiated idea: that Adaptive AI could detect and respond to novel, real-time cyber threats. That approach matters more than ever in the era of AI. Today, our customers depend on us to stay ahead.\nAt Darktrace, we are energized by that responsibility. We work across teams and rally around a shared goal. We own outcomes end to end - step in, step up and see things through without waiting to be asked. We make decisions with urgency, say the hard thing, and hold each other to high standards with care and directness. We move first and learn fast anticipating where our customers are going next, continuously challenging ourselves.\nWe invest in the skills, learning and opportunities that help people deliver at the level their roles demand, and reward the aptitude and curiosity to grow beyond them.\nOur Values: Own It | Win as One | Raise Our Bar | Move First. Learn Fast\n\nJob Description:\nThe Frontend Software Engineer will work both collaboratively and independently to deliver cutting edge cyber security solutions. You will be tasked with creating and maintaining dynamic user interfaces, enhancing user experience, improving technical feasibility and improving on specifics around speed and scalability.\nPlease note this is hybrid position and will require a minimum of 2 days a week in the Cambridge office.\nWhat will I be doing:\nYou will collaborate closely with cross-functional teams, including backend engineers, UX designers, and product managers, to ensure seamless integration of UI components with core systems. This role requires a strong understanding of modern JavaScript frameworks, responsive design principles, and accessibility standards. You will also be expected to contribute to code reviews, maintain high-quality documentation, and proactively identify opportunities to optimize performance and scalability across the platform. Key responsibilities include:\nDevelop and implement reusable UI components using modern frameworks (e.g., React, Angular, or Vue)\nEnsure applications meet accessibility standards (WCAG) and deliver an inclusive user experience,\nOptimize front-end performance for speed, scalability, and responsiveness across devices,\nCollaborate with backend teams to integrate APIs and ensure data consistency,\nParticipate in design discussions and provide technical input to improve usability and functionality,\nMaintain thorough documentation and contribute to best practices for UI development.\nWhat experience do I need:\nWe welcome applications from engineers who have a solution-focused mindset combined with an analytical approach and problem-solving skills. During the interview process, you’ll be able to demonstrate your ability to program using React and will show an understanding of writing code in a production environment. Your application will additionally benefit from:\nExperience with JavaScript or TypeScript,\nStrong understanding of CSS,\nExperience and knowledge of Redux and TanStack Query,\nDemonstrable skill in translating designs accurately from Figma,\nAn awareness of good UX practices,\nKnowledge of the fundamentals of web application security,\nProficiency with Git,\nA strong foundational knowledge of programming methodologies and data structures, particularly when dealing with big datasets.\nA portfolio and/or public GitHub repository showcasing your previous work.\n\nAs a growing business strengthening its governance and controls, this role plays a part in supporting high standards of integrity and accountability.\n\nDarktrace is an Equal Opportunity Employer. We consider all qualified applicants for employment without regard to race, color, religion, sex (including pregnancy, childbirth, and related medical conditions), sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, veteran or military status, or any other characteristic protected by applicable federal, state, or local law.\nDarktrace is committed to providing reasonable accommodations to qualified individuals with disabilities in accordance with applicable laws. If you require a reasonable accommodation to participate in the application or interview process, please contact your Talent Partner.","description_format":"text","description_chars":4364,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Network Security","Security Operations","Email Security","Cybersecurity AI"],"lifecycle":[{"event":"open","at":"2026-09-24T13:47:19Z"}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":28,"reasons":["conf:1","win:early"],"computed_at":"2026-09-24T15:39:36Z"},"pay":null,"html_url":"https://alion.io/job/darktrace-frontend-software-engineer-javascript-typescript-react","json_url":"https://alion.io/job/darktrace-frontend-software-engineer-javascript-typescript-react.json","meta":{"generated_at":"2026-09-24T15:39:36Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers"}}