Lead Software Engineer — AI/ML, Path to CTO, Hybrid London

ChiroCat; Greater London; Hybrid; GBP 110,000 - 150,000; Full time

Job summary

BroadbandUK is seeking a Lead Software Engineer to guide architectural choices and drive AI-powered product initiatives from Canary Wharf. You’ll mentor engineers, shape scalable systems, and own delivery while advancing AI-first strategies using Laravel, React, Python and AWS.

Join a fast-growing startup building nation-wide connectivity insights, leveraging data from major industry players. You’ll influence technical culture, participate in a path to CTO, and help redefine how broadband data

Qualifications

• 5+ years of software engineering experience, building, shipping and scaling real-world products.
• Strong leadership skills: guiding teams and setting technical direction.
• Ownership mindset: thrives in startup environments and solves real problems fast.
• Proven impact: led projects that moved the needle or contributed to open-source.
• Practical AI experience: experience with LLMs, retrieval or related technologies.

Responsibilities

• Mentor a growing team of engineers, guiding graduates and interns as they level up their skills.
• Shape the architecture and technical direction of our products, balancing scalability with speed of delivery.
• Design and integrate AI models and algorithms that unlock insights from national connectivity data.
• Leverage datasets from Ofcom, Openreach and ISPs to tackle real-world connectivity challenges.
• Develop retrieval and agentic systems, combining LLMs with vector search and automation.

Skills

Leadership

Mentorship

Ownership mindset

Proven impact

AI experience

Tools

Laravel

React

Python

AWS

n8n

Claude Code

Cursor

Docker

GitHub

CI/CD

DynamoDB

MySQL

Redis

NoSQL

Job description

BroadbandUK is seeking a Lead Software Engineer to guide architectural choices and drive AI-powered product initiatives from Canary Wharf. You’ll mentor engineers, shape scalable systems, and own delivery while advancing AI-first strategies using Laravel, React, Python and AWS.

Join a fast-growing startup building nation-wide connectivity insights, leveraging data from major industry players. You’ll influence technical culture, participate in a path to CTO, and help redefine how broadband data