Software Development Engineer II - FinTech

Job Description

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

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

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

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

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• Strong experience with Payment Processing, Payment Platforms, Payment Systems, and Transaction Processing
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• Experience with Card Issuing and/or Card Acquiring
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• Strong understanding of PCI-DSS (Payment Card Industry Data Security Standard)
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• Experience with ISO 8583 messaging standards
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• Knowledge of card transaction flows, authorization, clearing, settlement, and payment lifecycle
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• Experience building secure, high-volume, low-latency payment applications
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• Experience with payment tokenization, digital wallets, and secure credential provisioning is highly preferred
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• Experience with Mastercard MDES , EMVCo standards, and token lifecycle management is a strong plus
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If you have experience building scalable Java applications and are interested in working on FinTech platforms, we’d love to hear from you.