Senior PHP Full Stack Developer

Reference: 15323_1763035275 Date Posted: 13.11.25

A cybersecurity start-up in Leeds is seeking a Full-Stack PHP Developer to join its small but growing team. The business has evolved from dark web monitoring into a full External Attack Surface Management (EASM) platform. The role is focused on enhancing, maintaining, and scaling this SaaS platform while embedding secure coding practices.

Key Responsibilities

* Enhance and maintain the SaaS platform hosted in AWS.
* Deliver both back-end and front-end features using PHP (Laravel), React, and TypeScript.
* Design, integrate, and manage APIs and microservices.
* Optimise applications for security, scalability, and performance.
* Translate business requirements into clear, actionable technical solutions.
* Follow secure coding practices and contribute to cybersecurity-focused product development.
* Collaborate with a small engineering team and leadership on roadmap delivery.

Essential Skills & Experience
* Strong back-end development skills with PHP (Laravel).
* Front-end development expertise with React and TypeScript.
* Experience deploying and managing applications in AWS.
* Knowledge of secure coding practices and general cybersecurity principles.
* Ability to communicate effectively with technical and non-technical stakeholders.
* Experience working in small teams or start-up environments.

Desirable Skills
* Experience in cybersecurity SaaS, vulnerability management, or EASM.
* Familiarity with serverless AWS infrastructure and cloud-native architectures.
* Exposure to AI/ML in the context of cybersecurity.
* Knowledge of DevOps practices, CI/CD pipelines, and automation tools.

Location & Working Arrangements
* Hybrid working, with three days per week required in the Leeds city centre office (non-negotiable).
* Candidates must be realistically commutable to Leeds.

Salary & Benefits
* Up to £65,000 base salary + benefits.
* Clear progression opportunities as the team expands (expected growth to 6-8 developers).
* Chance to work on a disruptive cybersecurity product with a 3-4 year roadmap ahead.
* Collaborative, friendly, and flexible start-up culture.

Job location:
Leeds, West Yorkshire
Salary:
£55000 - £65000 per annum
Salary per:
annum
Job start date:
2026-01-05
Job industry:
Software Development
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