Data Engineer - Knowledge Graph & AI Platform (London)

Arcus Search; Greater London; Hybrid; GBP 83,000 - 129,000; Full time

Job summary

Arcus Search in London is seeking a Data Engineer to build a knowledge graph platform at the heart of the company's AI strategy. This is a hands-on role focusing on tooling, data pipelines and production APIs that connect semantic models to scalable graphs.

You will work with .NET, C#, React, TypeScript and PostgreSQL, own CI/CD and DevOps across the platform, and collaborate with architects to deliver production-ready solutions.

Qualifications

• Experience building data pipelines and knowledge graphs.
• Experience with production-grade APIs and data services.
• Hands-on in a modern .NET/React stack and cloud/deploy tooling.

Responsibilities

• Build and evolve a knowledge graph platform from existing tooling.
• Develop data pipelines that populate and maintain graph databases.
• Build APIs and interfaces exposing graph data to AI tooling.
• Work with .NET, C#, React, TypeScript and PostgreSQL.
• Own CI/CD, DevOps and deployment across the platform.
• Collaborate with architects and engineers to deliver production-ready solutions.

Skills

Data engineering

Knowledge graph

CI/CD

Graph databases

PostgreSQL

C#

React

TypeScript

.NET

APIs

Tools

CI/CD tools

Job description

Arcus Search in London is seeking a Data Engineer to build a knowledge graph platform at the heart of the company's AI strategy. This is a hands-on role focusing on tooling, data pipelines and production APIs that connect semantic models to scalable graphs.

You will work with .NET, C#, React, TypeScript and PostgreSQL, own CI/CD and DevOps across the platform, and collaborate with architects to deliver production-ready solutions.