Senior Full-Stack Engineer (Django, React) - FT - EU

Role Overview

Join Agency AI, a UK-based AI consultancy, as a Senior AI Full-Stack Engineer. You will be instrumental in revamping a legacy desktop platform into a modern Django + React web platform for a UK construction software company. This project involves creating a suite of digital workers, enhancing procurement, estimating, and document-extraction features, and developing new AI-powered solutions.

Responsibilities

• Develop Django backend features within an established Postgres schema, handling purchase orders, invoices, credit notes, and more.
• Create React frontend components integrated with the Django REST API, including review interfaces, status indicators, and audit trails.
• Build LLM-based extraction pipelines for procurement and estimating documents using Claude Agent SDK.
• Design and implement new AI-powered digital workers, ensuring they comply with the platform's architecture.
• Develop Celery-driven asynchronous workflows for document processing and AI tasks.
• Manage production deployments in Azure Container Apps, including monitoring and incident response.
• Perform database migrations on live customer databases, ensuring data integrity and schema stability.

Required Skills

• Extensive experience as a Senior Django engineer with proficiency in ORM, migrations, DRF, signals, and Celery.
• Strong skills in React, including state management and integration with REST APIs.
• Proven experience with LLM agentic frameworks and production LLM pipelines.
• Solid background in Postgres, particularly with complex migrations on live data.
• Experience deploying applications on Azure or similar cloud platforms.
• Ability to work within an existing codebase, respecting architectural patterns and extending functionality.
• Excellent written English for clear communication with non-technical stakeholders.

Nice to Have

• Experience in B2B software for construction, engineering, or industrial sectors.
• Familiarity with Anthropic prompt caching and the Claude Agent SDK.
• Experience with document-extraction pipelines and tools like Azure Document Intelligence.
• Knowledge of RBAC implementation and API-level security review.
• Comfortable with ticket-driven workflows and agile documentation practices.