PHP Software Engineer

About this role

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Description
As a Senior Software Engineer, you will work across both legacy and modern stacks, helping transform PHP-based systems into containerized, Node.js-driven microservices running on AWS. This role is ideal for someone who enjoys solving complex backend challenges, improving performance and reliability, and building systems built for scale.


Responsibilities

• Modernize and refactor legacy PHP and cron-driven applications into Node.js-based microservices
• Design and build scalable, containerized services using Docker and AWS ECS
• Improve backend performance, reliability, and system clarity across the platform
• Develop and enhance high-throughput redirect, tokenization, and messaging services
• Support and help implement multi-tenant SaaS architecture, including:
• Client isolation
• Customer-specific databases
• Environment-level segmentation
• Work with engineering leadership to design systems that handle burst traffic, heavy write volume, and unpredictable user behavior
• Collaborate with cross-functional technical teams to ensure secure, scalable, and maintainable system designs
• Contribute to ongoing modernization efforts, infrastructure improvements, and code quality standards

Requirements
Required

• Senior-level backend engineering experience
• Experience building and supporting production systems at scale
• Strong ability to read, understand, and refactor legacy PHP code
• Hands-on experience with:
• Node.js
• Docker
• Microservices architecture
• SQL/MySQL (indexing, query optimization, transactions, performance tuning)
• Experience designing systems resilient to:
• Traffic spikes
• High-volume database writes
• Unpredictable external user behavior
• Comfortable working in a fast-paced, senior-heavy engineering environment
• Pragmatic approach focused on fun...