Senior Full-Stack Engineer - AI-Driven, Ownership, Startup

Infused Solutions Ltd; Greater London; On-site; GBP 120,000 - 150,000; Full time

Job summary

Infused Solutions Ltd, a London-based early-stage AI startup, seeks a senior software engineer to own end-to-end features across the stack. You will build production-grade software, shape architecture, and collaborate with founders to steer the product roadmap.

The role emphasizes delivering across backend, frontend, APIs, and cloud infrastructure, using TypeScript, React and Node.js, and leveraging AI tooling to accelerate development.

Qualifications

• 8+ years commercial software engineering experience.
• Hands-on full-stack with no significant frontend or backend bias.
• Recent experience with TypeScript, React and Node.js.
• Proven track record delivering production software.
• Ownership of features from development to production.
• Familiar with AI coding tools and modern development practices.
• Strong understanding of software engineering principles and architecture.
• Experience with APIs, cloud platforms and CI/CD.
• Startup/early-stage experience desirable.
• Experience with AI/cloud tooling (Vertex AI, LLMs, Docker, AWS, GCP) advantageous.
• Interest in modern AI engineering and cloud-native development.

Responsibilities

• Build end-to-end product functionality across the full stack.
• Develop and maintain high-quality production software.
• Work across backend, frontend, database and API development.
• Contribute to technical architecture and engineering decisions.
• Take ownership of features from concept to production.
• Collaborate with founders and engineering leadership on roadmap.
• Establish engineering standards as the team grows.
• Utilize AI-assisted development tools to accelerate work.
• Troubleshoot and improve production systems.
• Contribute to AI-powered and agentic solutions.

Skills

Full-stack development

TypeScript

React

Node.js

Production software

Ownership

APIs & Cloud

AI tooling

Startup/early-stage experience

Cloud platforms

CI/CD

Tools

Docker

Claude Code

Cursor

Vertex AI

LLMs

AWS

GCP

Job description

Infused Solutions Ltd, a London-based early-stage AI startup, seeks a senior software engineer to own end-to-end features across the stack. You will build production-grade software, shape architecture, and collaborate with founders to steer the product roadmap.

The role emphasizes delivering across backend, frontend, APIs, and cloud infrastructure, using TypeScript, React and Node.js, and leveraging AI tooling to accelerate development.