Senior Software Engineer; Full Stack Developer -In office, Alpharetta, GA

Every day, Global Payments makes it possible for millions of people to move money between buyers and sellers using our payments solutions for credit, debit, prepaid and merchant services. Our worldwide team helps over 3 million companies, more than 1,300 financial institutions and over 600 million cardholders grow with confidence and achieve amazing results. We are driven by our passion for success and we are proud to deliver best-in‑class payment technology and software solutions.

Join our dynamic team and make your mark on the payments technology landscape of tomorrow.

Serves as a technical leader and hands‑on authority throughout the software development life cycle. This role acts in a strategic and engineering capacity to architect, design, code, review, and implement highly scalable full‑stack applications. The Lead Developer bridges the gap between complex business logic, modern front‑end user experiences built in React.js, and high‑performance data warehousing layers. You will establish coding standards, drive architectural decisions, optimise system performance, and guide a team of engineers in a flexible, fast‑paced Agile environment.

• Technical Leadership & Mentorship: Acts as the primary Full Stack SME; establishes engineering best practices, conducts rigorous code reviews, and provides technical mentorship and on‑the‑job training to junior and mid‑level software engineers.
• Full‑Stack Engineering: Architects and develops complex, secure, and performant end‑to‑end code using Java/Spring Boot for back‑end services and React.js for modern, responsive user interfaces.
• Data Layer Architecture: Designs, optimises, and advises on complex program specifications to ensure seamless, high‑speed interaction between UI components, backend APIs, and the Snowflake data layer.
• Agile Governance: Actively drives and participates in all Agile ceremonies (Daily Stand‑ups, Sprint Planning, Backlog Grooming, Retrospectives). Partners with Product Owners to break down complex Jira User Stories into technical tasks, manage velocity, and remove team blockers.
• Security & Compliance: Leads architectural discussions regarding secure credential management and API security. Applies in‑depth knowledge of PCI compliance to all development and infrastructure activities.
• Testing & Validation: Oversees the design and execution of comprehensive multi‑level unit and integration testing to validate data accuracy across intricate partner hierarchies.

• Bachelor’s Degree in Computer Science, Information Technology, or a related field.
• 10+ years of professional experience in full‑stack design and software development.
• 3+ years of experience serving in a technical lead, team lead, or mentoring capacity.
• Strong experience leading and working in an Agile/Scrum environment with a deep understanding of Sprint cycles and iterative engineering delivery.
• Advanced programming knowledge of Java (Back‑end) and JavaScript/Type Script with a heavy focus on React.js (Front‑end).
• Hands‑on experience with Relational Databases or Data Warehouses (Snowflake preferred) and expert‑level proficiency in writing and tuning complex SQL.

• 10+ years of professional software engineering experience with a specific focus on financial reporting, data processing, or merchant services.
• Direct production experience with Snowflake Data Warehousing architectures and Apigee API Management.
• Advanced proficiency in utilizing Jira and Confluence for agile workflow tracking and system documentation.
• Hands‑on familiarity with designing and maintaining CI/CD pipelines (Jenkins/Git Lab CI) within an Agile cloud‑native workflow.

• Expert knowledge of hierarchical data modeling and the ability to translate ambiguous enterprise requirements into scalable, clean code. Strong architectural oversight for single‑page applications (SPAs) using React state management workflows.
• Solves highly complex, multi‑layered engineering issues (e.g., parsing "ragged" partner hierarchies, optimising…