Software Development Engineer II - FinTech

Software Development Engineer II (Platform) – FinTech

Location: Plantation, FL | On-site

Employment Type: Full-time

Department: Engineering – FinTech

Reports To: VP of Fintech

NationsBenefits is looking for a Software Development Engineer II (Platform) to join our FinTech Engineering team in Plantation, FL.

This role is ideal for a hands-on software engineer with experience in Java 21, Spring Boot 3.x, microservices, RESTful APIs, databases, cloud technologies, and modern DevOps practices .

What You’ll Do

• Design, develop, and maintain features for our FinTech application using Java 21 and Spring Boot 3.x .
• Write clean, well-documented, efficient, and maintainable code.
• Integrate third-party APIs and services to extend application functionality.
• Collaborate with senior engineers and Product Managers to translate business requirements into technical designs and features.
• Participate in code reviews, share best practices, and contribute to continuous improvement.
• Write unit and integration tests to ensure code quality and stability.
• Debug and resolve application issues while maintaining performance and reliability.
• Help ensure software meets quality, security, compliance, and regulatory requirements.
• Suggest improvements to development processes, tools, and technologies.
• Contribute to a collaborative and knowledge-sharing engineering environment.
• Identify and help mitigate security risks and vulnerabilities.

Required Qualifications

• Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.
• 2–4 years of professional experience with Java 21 and Spring Boot 3.x .
• Strong experience with microservices architecture and RESTful API development .
• Hands-on experience with SQL and NoSQL databases , including PostgreSQL and MongoDB.
• Familiarity with AWS, GCP, or Azure .
• Experience with Docker and Kubernetes .
• Proficiency with Git and CI/CD pipelines .
• Experience with SonarQube .
• Experience working in an Agile development environment .
• Strong problem-solving and collaboration skills.
• Experience with automated testing using JUnit, Mockito, and PITest .

Preferred Experience

• Knowledge of Jenkins, Kubernetes, and other DevOps automation tools .
• Familiarity with front-end frameworks such as React .
• FinTech experience or understanding of:
• Payment Systems
• Transaction Processing
• Data Security
• PCI-DSS

Payments Domain Experience – Required

• Strong experience with Payment Processing, Payment Platforms, Payment Systems, and Transaction Processing
• Experience with Card Issuing and/or Card Acquiring
• Strong understanding of PCI-DSS (Payment Card Industry Data Security Standard)
• Experience with ISO 8583 messaging standards
• Knowledge of card transaction flows, authorization, clearing, settlement, and payment lifecycle
• Experience building secure, high-volume, low-latency payment applications
• Experience with payment tokenization, digital wallets, and secure credential provisioning is highly preferred
• Experience with Mastercard MDES , EMVCo standards, and token lifecycle management is a strong plus

If you have experience building scalable Java applications and are interested in working on FinTech platforms, we’d love to hear from you.