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Front-End Engineer (Contract)

Job Posted: a day ago

  • Salary: £ 600 - 700 / Annum

    Job Type: Contract

  • Location: EC2, Barbican, Greater London

Expire in: a month

Job Description

£(Apply online only) UGHG76 Front-End Engineer (Contract) – Secure AI Systems for Defence Contract | Inside IR35 | £600–£700/day | Hybrid / Secure Site | SC/DV Cleared | UK Nationals Only Contract Length: Initial 3-month engagement (rolling), part of a 6–9 month roadmap We’re supporting a cutting-edge AI organisation delivering a government-funded mission into the Defence sector. They’re seeking a talented Front-End Engineer to help build and iterate on user interfaces that bring complex machine learning outputs to life - transcription analysis, graph-based risk models, and natural-language interfaces for end users in secure, disconnected environments. This is not your typical dashboard gig. It’s a chance to design and build offline-first, insight-rich tools that support real-world decision-making—where clarity and usability can have operational consequences. What You’ll Be Doing: * Designing and developing React-based UIs for: * Live and retrospective transcription review * Graph navigation and data visualisation * Natural language querying * Insight generation and reporting * Building robust, offline-first interfaces that run in air-gapped, secure environments * Creating visualisation components (e.g., networks, timelines) to support scenario analysis * Integrating with backend APIs delivering LLM, NLP, and structured data outputs * Contributing to internal design systems and building reusable, scalable components * Collaborating closely with users and the wider delivery team to evolve features through feedback What You’ll Bring: * Strong experience building production-grade React applications with TypeScript, hooks, and modern state management * Proven capability delivering rich data visualisations using D3, Recharts, Plotly, or similar libraries * Experience creating interfaces that surface AI outputs; from LLMs, knowledge graphs, or analytics pipelines * Familiarity with design systems, accessibility, and responsive UI practices * Comfortable integrating front ends with data-heavy APIs or real-time backends * (Bonus) Prior experience in Defence, government, or enterprise-class security environments Why This Project? You’ll be building the front end of real AI-powered tools for Defence decision-makers where clarity, usability, and reliability matter. From edge deployments to secure systems, this is work that will be seen, used, and relied on

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