{"id":1693983,"url":"https://alion.io/job/signify-technology-staff-full-stack-engineer","title":"Staff Full Stack Engineer","company":{"id":2031272,"name":"Signify Technology","domain":"signifytechnology.com","url":"https://alion.io/company/signifytechnology","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"Schema","truth_index":{"grade":"C","score":68,"open_postings":78,"ghost_share":0.526,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-04T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"staff","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":600,"max":null,"currency":"GBP","period":"day","gross":null,"usd_annual":198500},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"React.js","optional":false},{"name":"Scala","optional":false},{"name":"TypeScript","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-10-02T08:42:29Z","employer_posted_date":"2026-10-02","last_verified_at":"2026-10-04T22:31:32Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":1},"description":"Job title: Staff Full Stack Developer (TypeScript, React, Scala, AWS)Job type: Contract (Inside IR35)\nContract Length: 6-12 months\nRate: £600+ per day\nRole Location: Hybrid - London (1 day per week onsite). Candidates must be UK-based\nThe company\nA large, well-known organisation with a high-traffic consumer web platform used by millions of people every day\nRole and Responsibilities:\nSignify have partnered up with an established organisation to hire a Staff Full Stack Developer to help steer the technical direction of a major customer-facing web platform that also supports their mobile apps. You will be a senior voice in the engineering community, setting standards, guiding teams and leading delivery on projects that matter to the business. You will work alongside designers, UX specialists, product leads and other developers, and have a say in what gets built as well as how. Day to day you will be building primarily in TypeScript and Scala on AWS, and pairing with other developers in a team that ships and iterates quickly.\nJob Requirements:\n10+ years of experience building web applicationsStrong frontend skills with TypeScript and React, plus modern CSSScala back endHands-on experience with AWSExperience leading teams and significant projects in a fast-moving, product-driven environmentTrack record building and maintaining high-traffic, performant platforms with wide organisational impactConfident turning product and business requirements into technical solutionsHands-on experience applying security best practiceA team player who collaborates well across teams and is curious about where the wider organisation is headingMust be UK-based with the right to work in the UKInterview process:\n1st stage technical interview, 2nd stage culture chat.\nIf you are interested, please apply to this advert or email your CV to \nAccessibility Statement:\nRead and apply for this role in the way that works for you by using our Recite Me assistive technology tool. Click the circle at the bottom right side of the screen and select your preferences.\nWe make an active choice to be inclusive towards everyone every day. Please let us know if you require any accessibility adjustments through the application or interview process.\nOur Commitment to Diversity, Equity, and Inclusion:\nSignify's mission is to empower every person, regardless of their background or circumstances, with an equitable chance to achieve the careers they deserve. 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