Location: Remote (US-based) or Offices in Atlanta, GA, and Dallas, TX
Compensation: Based on experience (Contractor-to-Hire)
Benefits: As a contractor-to-hire, benefits will be provided upon conversion to a full-time role.

JOB SUMMARY:

ConnexPay is the first payments company to seamlessly combine PayIns and PayOuts into a single global platform, transforming modern e-commerce. Our solutions reduce payment risk and lower acceptance costs while providing an integrated platform for B2B payments. Our culture is rooted in collaboration, innovation, and customer focus — working as one team to win. We are seeking a Senior Java Developer (Contractor-to-Hire) to join our fast-paced Agile engineering team. You will design, develop, test, and deploy large-scale, cloud-based payment applications that will reshape the industry. This is a hands-on, senior-level role that requires excellent communication skills and the ability to deliver results in a fast-moving environment.

QUALIFICATIONS:

• Must be willing to take and pass a coding screen
• Bachelor’s degree in Computer Engineering, Computer Science, or equivalent experience.
• 10+ years of experience building enterprise applications with Java 8+ (Java 17 preferred).
• Strong experience with Spring Framework 4.x and Spring Boot 2.x+ (3.x preferred).
• Hands-on experience with PostgreSQL (v16 preferred), MS SQL, Oracle, and PL/SQL.
• Solid understanding of multithreading, JDBC, connection pooling, caching, and scheduling.
• Strong knowledge of Hibernate 5.x.
• Familiar with Maven, TeamCity, Octopus, Git, and IDEs such as IntelliJ/Eclipse.
• Excellent communication, organization, and time management skills.
• Self-starter with a proactive work ethic and the ability to work in a fast-paced environment.

Preferred Skills:

• Experience with Docker, Kubernetes, AWS or Azure, and Tomcat 9/10.
• Familiarity with cryptography, financial industry/payments, and Atlassian tools (JIRA, Confluence, BitBucket).
• Experience with Liquid Base, Junit, JaCoCo, Rest Assured a plus.

• Design, develop, test, and deploy large-scale payment applications and services.
• Collaborate with on-site and off-site teams in a fast-paced Agile environment.
• Build, maintain, and optimize high-performance payment systems.
• Analyze and tune real-time processes for performance and scalability.
• Participate in daily team discussions, code reviews, and collaborative problem-solving.