Senior PHP Developer

About PayPlus:

PayPlus is a rapidly growing fintech company specializing in credit card processing and financial solutions for businesses. We develop innovative technologies that simplify and secure online payments, helping companies succeed in the digital world.

Job Description:

We are looking for a Senior PHP Developer with proven experience in developing and optimizing plugins/modules for leading open-source platforms such as WordPress, Magento, WooCommerce, OpenCart, PrestaShop, and Shopify (via SDKs or server-side applications). In this role, you will play a key part in maintaining, expanding, and optimizing complex financial systems and third-party integrations.

Key Responsibilities:

• Develop, maintain, and optimize advanced plugins for WordPress, Magento, WooCommerce, OpenCart, and PrestaShop

• Design and implement scalable backend modules for payment processing and financial transactions

• Integrate with third-party services such as PayPal, credit card processors, and digital wallets

• Ensure high performance, security, and reliability across all systems

• Collaborate with frontend developers, product managers, and QA teams to develop high-quality features

• Document technical processes and contribute to architectural decision-making

Required Skills:

• Expert-level PHP – strong OOP principles, algorithmic thinking, and clean, maintainable code

• 5+ years of hands-on development experience, including in large-scale or high-traffic environments

• In-depth knowledge of plugin/module development for open-source platforms: WordPress (including WooCommerce), Magento, OpenCart, PrestaShop, Shopify (via server-side apps or SDKs).

• Proven experience with payment gateway integrations

• Proficiency in HTML5, CSS3, JavaScript, and libraries/frameworks such as jQuery, AngularJS, or React

• Strong understanding of web security, encryption, and protection against common vulnerabilities (e.g., XSS, CSRF)

• Experience with Git and CI/CD tools for automated testing and deployment

• Bachelor’s degree in Computer Science, Software Engineering, or a related technical field – an advantage

Bonus Skills:

• Previous experience in fintech, banking, or other high-security environments

• Familiarity with Docker, Kubernetes, and microservices architecture

• Experience working with Linux servers and basic DevOps knowledge

Personal Attributes:

• Strong analytical and problem-solving skills

• Ability to work under pressure and meet deadlines

• Excellent communication skills, both written and verbal

• Proactive, responsible, and a strong team player