Front-End Engineer (Contract)

Front-End Engineer (Contract)

Posted 1 week ago by TieTalent

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£700 Per day
Inside
Hybrid
London, England, United Kingdom
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Application Programming Interface (API) Artificial Intelligence D3.js Dashboard Data Visualisation Front-End Engineering Front End (Software Engineering) Machine Learning Management Natural Language Processing Plotly React.js Scenario Analysis TypeScript Usability User Interface

Summary: The Front-End Engineer (Contract) role involves designing and developing user interfaces for a government-funded AI project in the Defence sector. The position requires expertise in building React-based applications that facilitate complex data visualizations and natural language interfaces in secure environments. The role emphasizes creating offline-first tools that support critical decision-making processes. Candidates must possess relevant security clearances and be UK nationals.

Key Responsibilities:

  • Designing and developing React-based UIs for live and retrospective transcription review, graph navigation, and data visualization.
  • Building robust, offline-first interfaces that operate in air-gapped, secure environments.
  • Creating visualization components 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.

Key Skills:

  • Strong experience building production-grade React applications with TypeScript, hooks, and modern state management.
  • Proven capability delivering rich data visualizations 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.

Salary (Rate): £700 daily

City: London

Country: United Kingdom

Working Arrangements: hybrid

IR35 Status: inside IR35

Seniority Level: Mid-Level

Industry: IT

Detailed Description From Employer:

About 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.

Nice-to-have skills

  • D3
  • Plotly
  • React
  • TypeScript

Barbican, England, United Kingdom

Work experience

Frontend

NLP

Languages

English

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