Job Role: Senior PHP Developer Reference: BH-353p Job Type: Permanent Location: Fully Remote, UK residents only Salary: up to £60,000 per annum About The Client: Our client is a cybersecurity company that helps organisations protect sensitive information. Their platform uses large-scale data collection, cross-referencing, and real-time alerting to provide actionable intelligence. With a strong focus on automation and scalability, they support clients ranging from enterprises to government agencies. Overview: We’re looking for a talented and experienced Senior PHP Developer to join a small, highly technical and fast-moving team working on cutting-edge data analysis tools. You’ll be the fifth member of a growing engineering group, building and maintaining mission-critical backend systems that help cross-reference and validate sensitive client data against publicly known data leaks and records. This is a hands-on development role focused on designing, building, and improving scalable microservice-driven APIs. You’ll initially lead key development on Laravel-based APIs, with opportunities to broaden your scope across Python, Java, and other backend services as the platform evolves. Key Responsibilities: Designing and developing robust RESTful APIs using Laravel (v10) and PHP best practices. Collaborating with a small team to scale a microservices architecture that powers internal tools and public APIs. Implementing secure authentication flows using OAuth2, SSO, and Laravel Sanctum. Working on data scraping, ingestion, and processing pipelines pulling from sources such as social media and public data leaks. Supporting data processing and analysis at scale – think Elasticsearch, Apache Spark (or equivalents), and PHP generators. Writing clean, testable code using PHPUnit, service containers, and SOLID principles. Participating in DevOps and deployment workflows via Docker, GitLab CI/CD, and AWS ECS/ECR, with infrastructure as code via Terraform. Interacting with modern observability tools – Sentry, Grafana, AWS Logs – to support reliability and performance. Supporting longer-term plans for integration with LLMs for data summarisation and intelligence tasks. Collaborating across teams, contributing to architectural decisions, and mentoring junior developers as the team scales. Tech Stack and Tools: PHP (Laravel v10) Swagger / OpenAPI OAuth2, Laravel Sanctum Kafka, Redis AWS (ECS, ECR, RDS, CloudWatch) Terraform GitLab CI/CD Pipelines Docker SPA Frontend (React, Next.js, TailwindCSS) Elasticsearch, Apache Spark Sentry, Grafana, AWS Logs Python, Java, Golang Requirements/experience: 5 years of experience in backend PHP development, ideally with Laravel. Strong understanding of modern API development, design patterns, and secure coding practices. Hands-on experience with containerised environments (Docker), cloud platforms (AWS), and CI/CD tools. Experience working with large-scale data processing, scraping, or cross-referencing systems. Familiarity with Kafka, Redis, and distributed system patterns. Experience in building systems that prioritise security, performance, and scalability. Unit and functional testing mindset; comfortable with PHPUnit and test-driven development. Proactive, collaborative, and comfortable working in startup-like environments with a high degree of ownership. Additional/Desirable experience: Exposure to Python, Java, or Golang, and interest in working across multiple languages. Interest in or experience with cybersecurity, data protection, or threat intelligence domain