Backend Developer

Posted 1 day 9 hours ago by CFP Energy (UK) Ltd

£80,000 - £100,000 Annual
Permanent
Full Time
Other
London, United Kingdom
Job Description

Join our Product Development team at Cyber Energia and help build scalable, high-performance applications that protect renewable energy assets against cyber threats.

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.
What we're looking for:
  • 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).
Why you'll love working here:

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 policiesRecruit and Reward scheme