Senior Fullstack Engineer

Fullstack Software Engineer

Remote (UK) or Hybrid | Scotland-based ideal

PropTech | React, Python, Flask, TypeScript, Postgres, AWS, LLMs

Neulinx is partnering with a fast-growing, product-led PropTech business headquartered in Edinburgh. With 50 people in the company and a smart, ambitious engineering culture, they’re helping independent property owners level up their digital presence—and now they’re scaling their AI capabilities.

They are now hiring a Senior Fullstack Software Engineer with experience building products that use Large Language Models (LLMs) and a strong track record in fullstack development. You’ll be joining a team of 8 engineers, reporting directly to the Head of Engineering, and working on product features that drive genuine outcomes for users.

What You’ll Be Doing

• Designing, building, and deploying fullstack features from scratch—across web and mobile
• Integrating LLMs (OpenAI) into the core product to power smarter, more automated experiences
• Improving how thousands of listings are synchronised, priced, and presented—at scale
• Building and maintaining features in both the web app (React) and mobile app (React Native + Expo)
• Collaborating closely with product, design, and other engineers to drive fast, customer-focused improvements
• Streamlining legacy systems and improving scalability, performance, and reliability

What You’ll Need to Succeed

• Strong backend experience with Python.
• Proven experience working with LLMs.
• Familiarity with tools like OpenAI, LangChain, or similar frameworks
• Fullstack skills – confident with React Native, React, TypeScript, Postgres
• Understanding of relational databases (Postgres preferred) and cloud infrastructure (AWS)
• Ability to own problems end-to-end and thrive in a fast-moving, collaborative team
• Based in the UK – ideally Scotland (remote or hybrid options available)

Tech Stack

• Backend: Python (Flask), Postgres, AWS
• Frontend: React, TypeScript
• AI/LLM Tools: OpenAI integrations, LangChain (or similar)
• Infrastructure & Tooling: Terraform, GitHub Actions, Sentry, Grafana

Remote or Hybrid – You Decide

This role is open to engineers across the UK, though being Scotland-based is ideal. You’re welcome to work fully remotely, or use the Edinburgh office on a hybrid basis if preferred.

Compensation & Perks

• £70,000 – £85,000 base salary
• Unlimited holiday policy
• Private health and dental care
• Wellness & gym discounts
• Excellent remote tech setup
• Strong autonomy and a culture that rewards initiative

Why Join?

• Build features with real impact for end users
• Be part of a tight-knit, low-ego team that moves quickly and supports each other
• Work on cutting-edge AI/LLM applications in a commercially proven PropTech product
• Get in early on a journey that’s scaling fast—with a lot of room to grow

If you’re a Senior fullstack engineer who’s passionate about AI and wants to build products that actually matter—this is one not to miss.