Senior Python Architect: AI-Native Platform Lead

Tech4 Ltd; City Of London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Tech4 Ltd in London embraces AI-native development to evolve its platform. You will be a hands‑on Senior Python Developer guiding technical direction while mentoring engineers and collaborating with Product and Design from discovery through production.

Responsibilities include architecting scalable cloud services, enforcing secure AI outputs, and driving reliability and performance. Hybrid London-based role with strong growth potential.

Qualifications

• Hands-on senior engineer with product mindset and strong AI awareness.
• Experience leading or mentoring teams and shaping technical direction.
• Proven ability to design scalable, secure cloud systems.

Responsibilities

• Architect and implement scalable cloud-based services using AI-native workflows.
• Lead feature delivery, coordinating with Product and Design teams.
• Define guardrails for AI-generated code with security and cost controls.
• Improve platform reliability, performance, and user experience via observability.
• Shape architecture for AI tooling, LLM integrations and human-in-the-loop controls.

Skills

Python

React

Azure

GCP

Tools

GitHub Actions

GitLab CI

Docker

Datadog

Grafana

Job description

Tech4 Ltd in London embraces AI-native development to evolve its platform. You will be a hands‑on Senior Python Developer guiding technical direction while mentoring engineers and collaborating with Product and Design from discovery through production.

Responsibilities include architecting scalable cloud services, enforcing secure AI outputs, and driving reliability and performance. Hybrid London-based role with strong growth potential.