Hybrid Principal Platform Architect & AI Lead

8Thlightrebuild; Greater London; Hybrid; GBP 93,000 - 116,000; Full time

Job summary

8th Light in London seeks a Principal Engineer to lead platform strategy and AI-enabled solutions for client engagements. You will guide architecture and delivery, mentor teams, and shape scalable, observable systems across the ML lifecycle.

With 10+ years of senior experience, you’ll influence client CTOs and drive high-impact outcomes, all within a hybrid model that includes one day per week in our Waterloo office.

Qualifications

• 10+ years of consultative software leadership and architecture experience.
• Proven track record delivering platform and AI-enabled systems at scale.
• Experience guiding cross-functional teams across diverse client engagements.

Responsibilities

• Lead platform strategy and delivery across multiple client engagements.
• Advise on architecture, scalability, and platform evolution to align with business outcomes.
• Collaborate on ML lifecycle systems from data ingestion to deployment and monitoring.
• Mentor teams and drive retrospectives to improve delivery outcomes.

Skills

Platform engineering

Data engineering

AI/agentic systems

DevSecOps

MLOps

Infrastructure as Code

Observability

Tools

Databricks

LangChain

LlamaIndex

CrewAI

AutoGen

n8n

Vector search

RAG pipelines

Job description

8th Light in London seeks a Principal Engineer to lead platform strategy and AI-enabled solutions for client engagements. You will guide architecture and delivery, mentor teams, and shape scalable, observable systems across the ML lifecycle.

With 10+ years of senior experience, you’ll influence client CTOs and drive high-impact outcomes, all within a hybrid model that includes one day per week in our Waterloo office.