Note: The job is a remote job and is open to candidates in USA. Quantum World Technologies Inc. is seeking a senior Java developer to support US banking and payment systems. The role focuses on designing, developing, integrating, and supporting secure, scalable enterprise applications using Core Java, Spring Boot, microservices, and payment technologies, while providing technical leadership and production support.
Responsibilities
- Design develop and support enterprisegrade applications using Core Java Spring Boot Microservices and REST APIs
- Build and enhance highvolume US payment processing platforms supporting critical banking transactions
- Develop solutions for payment rails including ACH Fedwire RTP RealTime Payments SWIFT and card payment processing
- Collaborate with business operations and compliance teams to deliver solutions aligned with US banking regulations and standards
- Design scalable secure and highly available backend services capable of handling large transaction volumes
- Implement eventdriven architectures using Kafka JMS or other messaging technologies
- Integrate payment applications with core banking systems payment gateways and thirdparty financial institutions
- Develop and optimize database solutions using Oracle SQL Server or PostgreSQL
- Ensure compliance with security standards including PCIDSS OAuth2 JWT SSLTLS and data encryption
- Work on payment lifecycle processes including authorization clearing settlement reconciliation and exception handling
- Participate in architecture design reviews code reviews and performance optimization initiatives
- Support production environments troubleshoot critical payment issues and ensure SLA adherence
- Work in AgileScrum environments and contribute to sprint planning estimation and release activities
- Mentor junior developers and provide technical leadership for complex banking payment initiatives
- Strong understanding of US Banking and Financial Services domain including payment regulations transaction processing risk controls and customerfacing banking applications
Skills
- Strong understanding of US Banking and Financial Services domain including payment regulations transaction processing risk controls and customerfacing banking applications
- Required Skills Core Java Java 81117 Spring Boot Microservices REST APIs Kafka OracleSQL Server Docker Kubernetes Jenkins Git ACH Fedwire RTP SWIFT PCIDSS US Banking Payments Domain
- Mandatory Skills : Java, Java SpringBoot
Benefits
- Remote work
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