Full-Stack Developer

Leading Fire Safety and Data Intelligence SaaS Firm | Back-end Developer | London (Hybrid) | £60 – 80K DOE

About the Company:

Our client is a fast-scaling B2B SaaS business that’s transforming fire safety and building compliance across the UK. With a platform already recognised as the most comprehensive and user-friendly in its space, they have doubled in size every 12 months and growth is only accelerating!

Their platform is the most comprehensive and user-friendly solution on the market, transforming the way organisations manage residential fire and building safety. That impact is fuelling their growth and it’s why so many are choosing to work with them. With a powerful data backbone, they offer real opportunities to drive new features and insights using Data Science and AI.

They’re building the foundations of that capability in-house and looking for smart, technically curious people to join them on the journey!

About the Role:

This is a hands-on development role with exposure to a range of systems and technologies. You’ll help shape the future of their tech stack as they move from a monolithic PHP codebase to a modern, service-based NodeJS environment. You’ll work alongside experienced engineers on architectural decisions, backend services, and iterative improvements to legacy systems.

You don’t need to be an expert in everything yet – but you do need solid practical experience, strong problem-solving skills, and a willingness to get stuck in. This is a perfect role for a developer who wants to grow fast in a high-impact environment.

Responsibilities:

• Develop and maintain backend services using NodeJS.
• Contribute to architectural decisions as we decouple legacy systems.
• Work collaboratively on a shared codebase with Git, CI/CD, and DevOps tools.
• Engage with our PHP monolith as needed, helping reduce technical debt.
• Work closely with product, design, and data teams to build new features.
• Share knowledge through code reviews, pair programming, and mentoring.
• Support ongoing improvements in testing, deployment, and code quality.

Requirements:

• Solid hands-on experience with NodeJS and modern JavaScript/TypeScript frameworks.
• Exposure to service-based or loosely coupled architecture.
• Familiarity with message brokers (e.g., Kafka, SNS, or similar) is a bonus.
• Willingness to engage with legacy PHP code when required.
• Strong understanding of version control , Git, and collaborative workflows.
• Interest in or experience with AWS , CI/CD pipelines, and DevOps best practices.
• Experience with data workflows , ETL pipelines, or data warehousing tools (e.g. BigQuery, RedShift) is a plus.

The Person:

We’re looking for someone who:

• Is passionate about software and technology.
• Communicates clearly and confidently – in person and in writing.
• Works well independently and manages their own time effectively.
• Takes ownership of challenges and thrives on solving real problems.
• Is curious, analytical, and data aware.
• Welcomes feedback and views mistakes as learning opportunities.
• Wants to grow their technical and professional skills in a supportive team.

Compensation and Benefits:

• Salary of £60 – 80K salary.
• Hybrid working arrangement (London-based with office presence 2 days per week).
• Supportive, fast-moving team environment with mentoring and growth. opportunities.
• Direct impact on a meaningful, industry-leading product.
• Immediate start date available.

If you’re a driven developer who wants to grow fast, contribute meaningfully, and work in a collaborative, mission-led team – we’d love to hear from you!