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

Job Summary

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, bridging the gap between complex business logic, modern front-end user experiences built in React.js, and high-performance data warehousing layers.

• Technical Leadership & Mentorship:
  Acts as the primary Full Stack Subject Matter Expert (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, optimizes, 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 Payment Card Industry (PCI) security 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.

• Operating Systems:
  Microsoft Windows, Linux (Ubuntu/RHEL, Amazon Linux)
• Database & Data Warehouse:
  Advanced SQL proficiency;
  Snowflake, Oracle, or MS SQL Server.
• Back-end Technologies:
  Java (Spring Boot), Python, .NET Core.
• Front-end Technologies: HTML5, CSS3, JavaScript (ES6+), Type Script, React.js (Core Requirement).
• Web Frameworks & State Management:
  Node.js, Redux / Context API.
• API Management & Testing:
  Apigee, Postman, Swagger/OpenAPI (including Basic Auth/Base
  64 and OAuth protocols).
• Agile & Collaboration Tools:
  Jira, Confluence, Slack, Microsoft Teams.
• Development & Build Tools:
  Git/Bitbucket, VS Code, Intelli
  
  J IDEA, Maven/Gradle.

Applicants must be authorized to work in the U.S. and must be a U.S. Citizen, GC holder, or on H4

EAD. OPT Visa is not accepted for this role. The company is unable to sponsor or take over sponsorship of an employment Visa or Student Visa.

Global Payments Inc. is an equal‑opportunity employer. Global Payments provides equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex (including pregnancy), national origin, ancestry, age, marital status, sexual orientation, gender identity or expression, disability, veteran status, genetic information or any other basis protected by law.