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Senior Fullstack Developer

Shift4

Atlanta, Georgia, United States; Center Valley, Pennsylvania, United States; Tampa, Florida, United States; Toronto, Ontario, Canada (Atlanta, GA) Remote permanent

Posted: January 27, 2026

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Quick Summary

We are seeking a Senior Full Stack Engineer to join our team in Atlanta, GA, or Toronto, ON, or Tampa, FL, or Center Valley, PA.

Job Description

Overview

Shift4 (NYSE: FOUR) is boldly redefining commerce by simplifying complex payments ecosystems across the world. As the leader in commerce-enabling technology, Shift4 powers billions of transactions annually for hundreds of thousands of businesses in virtually every industry. For more information, visit www.shift4.com.

Senior Full Stack Engineer

Shift4 is expanding globally and hiring a Senior Software Engineer- Full Stack that will work on strategic platform initiatives on a Cloud Native platform! The Senior Fullstack Engineer will play a critical role within a cross functional Scrum team within a large Scaled Agile delivery group.

This role is onsite and can be based at any of the following Shift4 locations: Center Valley, PA / Las Vegas, NV / Tampa, FL / Atlanta, GA / Toronto, Ontario - Canada

Relocation assistance may be available.

Responsibilities:

• Be a key team member within a high velocity engineering team.

• Technology

• Work hands on within the platform tech stack to deliver new features, fix issues and ensure best practices.

• Diagnose and resolve issues with deployed systems in collaboration with DevOps and the operations groups when required (as a part of level 3 support).

• Become advanced technically for parts of the platform.

• Evaluate and resolve technical debt, engage in platform modernization and build reliable features.

• People and Leadership

• Work very closely with the product team, product owners and stakeholders to understand needs and ensure alignment.

• Interface across multiple engineering teams and engineering groups working on various parts of the platform.

• Process

• Work closely with the engineering leadership to contribute towards process improvements.

Requirements:

• 5+ years experience Fullstack development.

• 3+ years experience working with React and other Javascript / Typescript based front-end frameworks such as Angular, Ember.

• 3+ years experience working with Node.js and Express.js.

• 3+ years experience working with test frameworks such as Mocha, Jest.

• 1+ years experience working with SQL.

• 1+ years experience working within an Agile-focused environment.

• BS in Computer Science or Engineering. Experience in lieu of a degree may be considered.

Preferred Skills (Additional experience that is a plus to have):

• Hands-on experience working with AWS environments (troubleshooting, monitoring, etc.).

• Experience with Scaled Agile (such as SAFe).

• Experience working with globally distributed teams.

• Domain expertise with point of sales systems, F&B / hospitality software and/or online payments solutions would be a significant plus.

• Scaled Agile (SAFe) Certification.

#LI-BN1

Full-stack Full Stack Fullstack

We are an Equal Opportunity Employer and do not discriminate against any employee or applicant for employment because of race, color, sex, age, national origin, religion, sexual orientation, gender identity and/or expression, status as a veteran, and basis of disability or any other federal, state or local protected class.

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