Senior Software Engineer (full‑stack + AI/ML) - SaaS Start‑Up

Senior Full Stack Engineer | AI Driven SaaS Platform | Early Stage Start Up

Full Time | Remote (UK / EU, occasional meet ups in London)

Up to £100K

Fluent English required

Please note: Applicants must have full right-to-work status. Sponsorship is not available for this role.

Hospitality and service based businesses run on disconnected systems: POS, bookings, payments, CRM, accounting – creating endless operational friction.

This early stage start up is building the intelligent, connected layer across them all.

Its platform doesn’t just connect tools. It models, processes, and acts on data across them to deliver:

• Seamless guest experiences

• Automated workflows

• Real time data synchronisation across channels

At the same time, it serves as the AI brain of the ecosystem, turning hours of manual work into minutes.

AI Built In Not Bolted On

AI and LLMs are embedded deep into the platform architecture, enabling it to:

• Understand and structure complex real time data

• Trigger intelligent actions automatically

• Continuously learn and optimise workflows

This is a rare chance to help define how AI native operational platforms are built.

The Opportunity

The team is hiring a Senior Full Stack Engineer to take ownership of core systems and ship production grade features end to end.

You’ll work on:

• Complex system integrations (POS, payments, CRM, bookings)

• Data pipelines and real time processing

• API design and distributed systems

• AI and LLM powered features embedded in live workflows

It’s a small, high calibre team where ownership is high and speed matters. A place for engineers who build from first principles.

What They’re Looking For

• Strong experience building production software used by real customers
• Full stack skills: Node.js, TypeScript, React, Next.js
• Cloud experience (GCP / Firebase preferred)
• API and third party integration expertise
• Experience with distributed or real time systems
• Hands on AI or LLM experience or strong interest in applied AI
• Startup mindset: low process, high ownership

Why Join

• Build a greenfield AI native platform in a large underserved industry
• Work where integrations, data systems and AI truly intersect
• Autonomy from day one and direct influence over architecture and product
• Remote first with flexible hours
• Competitive salary plus private healthcare plus pension plus MacBook Pro

If you want to build real systems used by live customers, embed AI into production workflows, and own key features from day one, this is an uncommon opportunity to shape a new generation of AI powered software.