Purpose of the Role
We are looking for a Fullstack Developer (PHP + JavaScript) to join a product-focused security company delivering video monitoring solutions powered by AI detection and real-time alerting.
In this role, you will contribute to improving and extending an existing production platform used for monitoring, alerts, integrations, and operational workflows. You will work across backend and frontend layers, helping ensure reliable communication between systems, browser clients, APIs, and backend services.
The ideal candidate is comfortable working with legacy codebases, debugging production issues, and building pragmatic, maintainable solutions in a realtime environment.
Key Responsibilities
- Develop and maintain integrations between internal and external services
- Improve and extend an existing PHP-based production platform
- Work on realtime communication flows between frontend and backend systems
- Modernize legacy code while contributing to new feature development
- Improve code quality, structure, and overall engineering standards
- Troubleshoot production issues, investigate root causes, and fix bugs
- Build and improve REST APIs and backend services
- Contribute to frontend features using JavaScript/jQuery
- Write and maintain unit and feature tests
- Collaborate with the team to ensure scalable and maintainable solutions
- Contribute to improving system performance, reliability, and security
Required Experience & Technical Skills
- 4+ years of experience with PHP in production environments
- Good understanding of core PHP concepts and backend architecture
- Experience working with legacy systems and refactoring existing code
- 3+ years of experience with JavaScript (jQuery and/or Vanilla JS)
- Good understanding of AJAX and frontend/backend communication flows
- Strong experience with MySQL and SQL query optimization
- Experience working with REST APIs (integration and consumption)
- Understanding of concepts such as:
- headers
- authentication
- webhooks
- CORS
- async communication
- Experience debugging production issues using logs and monitoring tools
- Experience with Docker and containerized environments
- Comfortable working in Linux-based systems
Nice to Have
- Experience with:
- WebSockets
- polling
- queues
- notification systems
- realtime updates
- Experience with VoIP or SIP communication protocols
- Experience writing unit tests or working with TDD practices
- Exposure to modern frontend frameworks (e.g., React)
- Familiarity with event-driven systems or microservices
- Understanding of web security principles (XSS, SQL Injection, CORS, etc.)
Essential Skills & Attributes
- Strong problem-solving and debugging skills
- Ability to work with both legacy systems and modern architectures
- Comfortable working across backend and frontend layers
- Good understanding of realtime system communication concepts
- Attention to code quality and maintainability
- Pragmatic mindset and ownership over tasks
- Good collaboration and communication skills
Education & Qualifications
- Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience)
- Good level of English (written and spoken)
What We’re Looking For
We’re looking for a developer who is comfortable working across the full stack and enjoys improving existing systems while building new capabilities.
You are someone who can navigate legacy code without being blocked by it, troubleshoot production issues pragmatically, and contribute to reliable, maintainable realtime systems.
You understand how frontend and backend systems communicate in production environments and are comfortable working with APIs, browser-server interactions, alerts, notifications, and integrations.
