Senior Applied AI Engineer - Production AI Systems

Dex; Greater London; Presencial; GBP 90.000 - 130.000; Jornada completa

Descripción de la vacante

Dex is seeking a senior software engineer to own the AI-powered surface of their enterprise platform. You will ship production-grade features, including RAG pipelines and multi-agent infrastructure, with a focus on scalability, security, and reliability.

You will build backend services and data pipelines, mentor junior engineers, and collaborate closely with founders to drive impactful AI solutions in a regulated enterprise environment.

Formación

• 5+ years of professional software engineering experience.
• Proven experience building and deploying AI applications in production, specifically with RAG pipelines, agent orchestration, and performance monitoring.
• Fluency in LLM evaluation techniques for accuracy, reliability, and safety.
• Strong backend development skills in Python (Django/FastAPI preferred) and relational databases.
• Experience with cloud infrastructure, Docker, Kubernetes, CI/CD, and managing high-throughput background workers and queues.

Responsabilidades

• Develop and deploy production-grade AI features, including RAG systems, multi-agent infrastructure, and robust evaluation frameworks.
• Build the backend services and APIs that power these AI applications.
• Design and implement data pipelines for training, evaluation, and continuous improvement of AI models.
• Ensure the scalability, performance, and security of AI systems across the entire stack.
• Mentor junior engineers and contribute to team growth.

Conocimientos

Python (Django/FastAPI)

Backend development

Cloud infrastructure

Docker

Kubernetes

CI/CD

RAG pipelines

Agent orchestration

LLM evaluation

Relational databases

Herramientas

Docker

Kubernetes

CI/CD pipelines

FastAPI

Django

PostgreSQL

Descripción del empleo

Dex is seeking a senior software engineer to own the AI-powered surface of their enterprise platform. You will ship production-grade features, including RAG pipelines and multi-agent infrastructure, with a focus on scalability, security, and reliability.

You will build backend services and data pipelines, mentor junior engineers, and collaborate closely with founders to drive impactful AI solutions in a regulated enterprise environment.