Lead AI Software Engineer - Cloud, React & Python

WeBuild-AI; Greater London; Hybrid; GBP 90,000 - 140,000; Full time

Job summary

WeBuild-AI in London is seeking a Senior Software Engineer to lead the design, development, and delivery of complex AI-powered software systems. You will work across the full stack—frontend in React/TypeScript and backend in Python—building performant, maintainable solutions.

You will mentor a small team of engineers, drive architecture and CI/CD practices, and collaborate with Data Engineers, AI Engineers, and Product Managers to turn ideas into production-ready software.

Qualifications

• Extensive experience building and deploying production-grade web and software applications.
• Strong experience in React, TypeScript, and Python (Java optional).
• Hands-on experience with cloud-native development (AWS, GCP, or Azure).
• Understanding of CI/CD, infrastructure as code, and container orchestration.
• Experience mentoring engineers and leading by example.
• Strong understanding of software architecture principles.
• Familiarity with AI/ML APIs or frameworks (TensorFlow, PyTorch) is a plus.
• Excellent communication and collaboration skills.

Responsibilities

• Lead the design, development, and delivery of complex software systems and AI-powered applications.
• Work across the full stack — frontend (React, TypeScript) and backend (Python, Java) — to build performant, maintainable solutions.
• Mentor and support a small team of engineers, conducting code reviews and fostering best practices.
• Collaborate closely with Data Engineers, AI Engineers, and Product Managers to turn ideas into production-ready software.
• Drive technical decisions around architecture, performance, and scalability.
• Ensure high-quality coding standards and strong testing/CI practices are consistently applied.
• Guide deployment and operations in AWS and other cloud environments, leveraging Docker/Kubernetes.
• Contribute to hiring, onboarding, and developing new team members.

Skills

React

TypeScript

Python

Cloud-native development

CI/CD

Mentoring

Software architecture

AI/ML APIs

Communication

Tools

Docker

Kubernetes

AWS

GCP

Azure

Job description

WeBuild-AI in London is seeking a Senior Software Engineer to lead the design, development, and delivery of complex AI-powered software systems. You will work across the full stack—frontend in React/TypeScript and backend in Python—building performant, maintainable solutions.

You will mentor a small team of engineers, drive architecture and CI/CD practices, and collaborate with Data Engineers, AI Engineers, and Product Managers to turn ideas into production-ready software.