Payments Integrations Engineer (Shopify & PHP)

TAP; United States; Remote; USD 120,000 - 190,000; Full time

Job summary

TAP is seeking a seasoned software engineer to build and support payment integrations that connect online stores to payment services. The role covers PHP plugins, Shopify apps, payment APIs, testing, and production support across e-commerce platforms.

You will develop and maintain plugins, connect to APIs and webhooks, investigate issues, and contribute to code reviews and documentation. Fluency in English and a collaborative mindset are essential.

Qualifications

• Five+ years of professional software development experience with payment gateway tech.
• Strong PHP skills and hands-on Shopify development experience.
• Experience with REST APIs, webhooks, JSON, Git, and relational databases.

Responsibilities

• Develop, maintain, and improve e-commerce plugins and Shopify integrations.
• Connect platforms to payment APIs, SDKs, and webhooks; support payments.
• Investigate integration problems and resolve production issues.
• Create automated tests and support reliable releases.
• Collaborate with cross-functional teams to improve reliability.

Skills

English proficiency

Tools

PHP

Shopify

REST APIs

JSON

Webhooks

Git

SQL

Job description

TAP is seeking a seasoned software engineer to build and support payment integrations that connect online stores to payment services. The role covers PHP plugins, Shopify apps, payment APIs, testing, and production support across e-commerce platforms.

You will develop and maintain plugins, connect to APIs and webhooks, investigate issues, and contribute to code reviews and documentation. Fluency in English and a collaborative mindset are essential.