Vienna Consultancy ยท 14 hours ago
Java Developer Contract
United States
Contract
Remote
Senior Level
$35/hr - $45/hr
5+ years expVienna Consultancy is seeking a skilled Java Developer with expertise in US ACH payment processing. The role involves designing, developing, and supporting scalable payment solutions while ensuring compliance with NACHA rules and working with SQL-based databases.
Consulting
Hiring Manager
Sayali Rathod
Responsibilities
Design, develop, and maintain ACH payment processing applications using Java
Develop and maintain interfaces (APIs, file-based and messaging interfaces) to support integration with core banking systems and external partners
Analyze, troubleshoot, and fix defects identified in development, testing, or production environments
Work with SQL databases to design schemas, write optimized queries, and support reconciliation and reporting
Collaborate with business analysts, QA, and operations teams to support end-to-end payment flows
Participate in code reviews, unit testing, and production support activities
Support performance tuning, monitoring, and issue resolution for high-volume payment processing
Qualification
Required
Bachelor's degree in computer science, Engineering, or a related field
Minimum 5 years of professional experience in Java application development
Experience with Spring / Spring Boot
Familiarity with REST/SOAP APIs and integration patterns
Hands-on experience with US ACH payment processing
Proficiency in one or more SQL databases (Oracle, MySQL, PostgreSQL, or similar)
Excellent problem-solving and communication skills
Ability to work collaboratively in a team environment
Preferred
Experience with cloud platforms (AWS, Azure) is a plus
Company
Vienna Consultancy
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51-200 employees
Funding
Current Stage
Growth StageCompany data provided by crunchbase