Areti Group | B Corp™
Senior Python Engineer
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Senior Python Engineer – AI & Agentic Systems | London | £100k
Build production AI agents
I’m working with a high-growth, technology-led business that is investing heavily in AI and looking for a Senior Python Engineer to help build the next generation of its engineering platform.
This is not a traditional Data Science or ML role.
You’ll be a hands-on software engineer building production-grade Python services, APIs, and AI-powered systems, with real ownership over architecture, infrastructure, and delivery.
🤖 What you'll be working on
You’ll help build and scale an agentic AI platform that brings AI into real business workflows, with a strong focus on security, reliability, and engineering quality. You’ll be involved in:
- Building production Python services and APIs
- Designing and integrating LLM-powered applications and AI agents
- Agent orchestration, tool calling, and RAG
- Authentication, permissions, and AI guardrails
- Evaluation, monitoring, and observability
- Cloud infrastructure and deployment
- Terraform / Infrastructure-as-Code
- Docker, CI/CD, and production engineering
- Using tools such as Claude Code, Cursor, or similar
- Helping shape how AI is adopted across the wider engineering team
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🧠 What we're looking for
We're looking for a strong software engineer first, with genuine experience building with AI. You'll ideally have:
- Strong commercial Python experience
- Senior-level backend/software engineering experience
- Experience building APIs, services, or microservices
- Production experience with LLMs, GenAI, or AI agents
- Experience with RAG, tool calling, LangChain, LangGraph, MCP, or similar
- Hands-on Terraform / IaC experience
- AWS or Azure experience
- Strong understanding of testing, security, and production systems
- Experience using AI coding tools such as Cursor or Claude Code
Get help with your application
Your very own career expert that helps elevate your application to the next level.
Most importantly, we're looking for someone who has actually built and shipped AI-powered systems, rather than someone whose AI experience is limited to experimentation.
🌟 Why join?
This is a genuine opportunity to have a major influence on how AI is used across an engineering organisation. You'll have ownership over technical decisions, work on production agentic systems, and help shape the standards around security, deployment, and AI-assisted development.
- £100k + benefits
- London – 3 days per week
- Permanent
If you're a Senior Python Engineer who wants to move deeper into production AI and agentic systems, I'd love to hear from you.
DM me or apply below 👇
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