Backend Developer

We're seeking a Backend Developer who thrives on designing robust architectures, building secure APIs, and optimising data flows across our cybersecurity and energy management solutions.

What you'll do:

• Design, develop, and maintain back-end software solutions for cybersecurity applications.
• Build scalable server-side architectures using PHP 8.3, Laravel Octane, and Swoole.
• Develop and optimise APIs for integration with external services (Auth0, AbuseIPDB, Shodan, Tenable, Xero, Flowise).
• Work with relational (PostgreSQL) and columnar (ClickHouse) databases for transactional and analytical workloads.
• Implement caching and queuing with Redis + Laravel Horizon.
• Write clean, functional, and maintainable code with SOLID and best practices.
• Test, debug, and upgrade software using PHPUnit and static analysis.
• Implement observability with Datadog (logs, metrics, traces).
• Collaborate with product managers, frontend developers, and cross-functional teams to deliver innovative solutions.
• Maintain technical documentation for smooth project handover.

• Proven experience as a Backend Developer.
• Strong experience with PHP/Laravel and API development.
• Database expertise with PostgreSQL and ClickHouse (or similar).
• Experience with Docker and containerized workflows.
• Knowledge of system security and data protection practices.
• Good problem-solving, organizational, and communication skills.

Bonus points if you have

• Experience with cloud platforms (Azure).
• Background in cybersecurity applications or OT/ICS monitoring.
• Familiarity with Agile methodologies and modern DevOps tools.
• Exposure to frontend technologies (React/Next.js, TypeScript).

We also offer a comprehensive benefits package, including:

• 25 days annual leave plus Bank Holidays
• Flexible working arrangements
• Private health care
• Company pension scheme
• Life and medical insurance, eyecare scheme
• Employee Assistance Programme
• Cycle to Work scheme
• Family-friendly policies
• Recruit and Reward scheme