Senior PHP Developer

Impact Scale is seeking to hire a Senior PHP Developer to join our team to enhance, maintain, and scale our flagship communications platform — a mission-critical system that delivers reliable, high-speed communication at scale.

Responsibilities:

• Work with the existing team to understand project requirements and plug into our workflow.
• Collaborate with product managers, DevOps, and QA to roll out new features and improve system stability.
• Build and improve backend features in PHP - Laravel
• Optimize message delivery pipelines, database queries, and API calls for speed and reliability.
• Maintain integrations with carrier APIs, third-party services, and internal microservices.
• Design and optimize MySQL schemas for large datasets with high transaction rates.
• Improve caching, queuing, and load-balancing strategies to handle millions of daily requests.
• Write clean, testable code with strong error handling and fault-tolerant design.
• Provide guidance to junior developers and participate in peer code reviews.

Qualifications/Skills:

• 5+ years of PHP development experience, preferably in Laravel
• 3+ years in SQL, query optimization, and data modeling.
• Experience in a similar high load project or platform
• Advanced understanding of OOP, MVC architecture, RESTful API development, Ribbit MQ.
• Basic knowledge of JavaScript, HTML, CSS (Vue.js or React a plus).
• Git, Jira, Docker familiarity preferred.