Hybrid Tech Lead — Cloud‑Native & AI‑Driven

numi; Greater London; Hybrid; GBP 120,000 - 180,000; Full time

Job summary

numi is seeking a Tech Lead at London Bridge to set the technical pace while remaining a hands-on contributor. This role reports to the Director of Engineering and balances delivery, quality and long-term health; leadership by example, not people management.

The team is lean and uses LLMs and coding agents to boost throughput. You will work across .NET, Node.js/TypeScript, Python, AWS, Kubernetes, and AI capabilities, aligning APIs and cloud-native services to business value.

Qualifications

• Lead production software delivery while coding
• Strong system design across APIs and cloud-native apps
• Experience with .NET, TS/Node.js and Python
• Hands-on AWS, Kubernetes, CI/CD, GitOps
• Simplify systems and improve reliability while delivering customer value
• Clear communication and collaborative leadership
• Use of LLMs or coding agents to boost throughput
• Bonus: AI-enabled features, RAG, production LLM integrations; SaaS/data-product experience

Skills

.NET

TypeScript/Node.js

Python

AWS

Kubernetes

CI/CD

GitOps

Observability

Lead technical delivery

System design

LLMs / coding agents

ArgoCD

Terraform

Tools

ArgoCD

Terraform

Job description

numi is seeking a Tech Lead at London Bridge to set the technical pace while remaining a hands-on contributor. This role reports to the Director of Engineering and balances delivery, quality and long-term health; leadership by example, not people management.

The team is lean and uses LLMs and coding agents to boost throughput. You will work across .NET, Node.js/TypeScript, Python, AWS, Kubernetes, and AI capabilities, aligning APIs and cloud-native services to business value.