Senior PHP Backend Engineer

• Own and evolve the PHP backend ingesting GPS and telematics data, safety hardware events and DVR video
• Build and maintain APIs for the web platform, mobile application and integration partners
• Deliver the Yii2-to-Laravel migration
• Deliver the MariaDB-to-PostgreSQL migration
• Support decomposition of the monolith into microservices
• Take over systems from a retiring contractor and become productive quickly despite limited documentation
• Support the backend for the AI product line alongside the computer vision lead
• Take end-to-end ownership of production systems
• Work independently within a small senior team while collaborating on AI-related work
• Apply architectural judgement to microservices and database migrations, with attention to data integrity
• Work with Bitbucket Pipelines and PHPUnit
• Make production engineering decisions for systems used by local authorities

• 8+ years of commercial PHP backend development at Expert level
• 5+ years of experience with large-scale SaaS or complex production systems at Expert level
• 3+ years of PostgreSQL experience at Advanced level
• 5+ years of API design and third-party integration experience at Advanced level
• 3+ years of high-volume data processing experience at Advanced level, including event-driven systems and ingestion pipelines
• 3+ years of Laravel and/or Yii2 experience at Advanced level
• 3+ years of PHPUnit experience at Advanced level; Pest or Codeception may substitute
• 2+ years of microservices or monolith-decomposition experience at Intermediate level
• 2+ years of AWS experience at Intermediate level; Azure or GCP may substitute
• Experience in the telematics, fleet or logistics domain at Intermediate level; IoT, GPS/location technology or connected-device experience may substitute
• Experience with video, CCTV or large media file handling at Intermediate level
• Ability to take end-to-end ownership of mature production systems and work independently with limited hand-holding
• Strong complex-system exposure; backgrounds limited to simple or basic applications are not suitable

• Full-time, long-term employment
• Remote-first work arrangement
• Growth and well-being support
• Genuine community-oriented workplace
• Autonomy in a small senior engineering team
• Flexible working within established practices