Software Engineer

Role: Software Engineer (Java)

Next Ventures are partnered with a Fintech company based in the New York Metro area, seeking a mid-level Software Engineer. This is a fully remote role.

The ideal candidate comes with strong experience in backend and frontend technologies, with a special emphasis on payments technology. The ideal candidate will have experience working with Java, MySQL, AWS, and will play a critical role in building and maintaining high-performance, scalable payment processing applications.

Responsibilities

• Design, develop, and maintain core payments processing applications using Java, MySQL, and AWS.
• Collaborate with product and engineering teams to deliver reliable, secure, and scalable card transaction solutions.
• Develop and maintain front end interfaces using JavaScript frameworks for payment-related applications.
• Write clean, efficient, and testable code while adhering to industry best practices.
• Optimize database queries and schemas for transaction-heavy workloads.
• Implement and maintain secure coding practices to ensure PCI-DSS compliance and protect sensitive cardholder data.
• Monitor, troubleshoot, and resolve production issues related to payments infrastructure.
• Contribute to architectural discussions to improve scalability, resiliency, and performance.

Qualifications

• 3+ years of professional software development experience.
• Strong proficiency in Java (Spring or similar frameworks preferred).
• Hands-on experience with MySQL and designing relational databases.
• Experience deploying and maintaining applications on AWS (EC2, RDS, Lambda, S3, etc.).
• Front end development skills using JavaScript (React, Angular, or similar).
• Solid understanding of payment flows, transaction lifecycles, or card processing systems.
• Knowledge of API design (REST/GraphQL) and integration with third-party financial services