Application Management Services LLC
Java Backend Developer with payments systems or blockchain
New York, New York, USA · Contract
Sponsorship not specifiedDetected 85 days ago
JavaSwiftSpringDistributed SystemsBackend DevelopmentSQLNoSQLPostgreSQLMySQLAWSGCPAzureCloud PlatformsDevOpsRESTKafkaRabbitMQCompliance
About the role
- Position: Java Backend Developer with payments systems or blockchain Location: NYC, NY/Lake Mary, FL/Pittsburgh, PA (Onsite/Hybrid) Duration: Long Term Employment Type: W2 / 1099 / C2C Job Summary We are looking for a strong Java Backend Developer with hands-on experience in payments systems or blockchain technologies. The ideal candidate will design,
- develop, and maintain scalable backend services supporting high-volume, secure financial transactions. Key Responsibilities · Design and develop high-performance backend systems using Java (Spring Boot / Microservices) · Build and integrate payment processing systems (ACH, Wire, SWIFT, Cards, UPI, etc.) · Work on real-time transaction
Requirements
- Optimize applications for performance, scalability, and fault tolerance Required Skills ·
- Strong experience in Java, Spring Boot, Microservices architecture ·
- Experience with payment gateways/processors (Stripe, PayPal, Adyen, etc.) ·
Skills
- SQL (PostgreSQL, MySQL) + NoSQL ·
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