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Senior Backend API Developer

DTEL Engineering & Consultants IncBuffalo, NY🇺🇸United States

Quick overview

SeniorityMid Senior
Work modeHybrid
LocationBuffalo, NY, United States
SQLSpringSpring BootJavaPostmanRESTAzureSQL Server

Job description

  • Develop and maintain enterprise APIs that enable money movement applications across banking systems
  • Build and support API integrations with mainframes and external banks via ACH protocols
  • Lead migration efforts moving on-premise services and infrastructure to Azure cloud environment
  • Support production systems through troubleshooting, defect resolution, and performance optimization
  • Implement incremental functionality and enhancements to existing backend API codebase
  • Conduct integration testing and REST API testing using Postman to ensure reliability
  • Query and troubleshoot SQL Server transaction databases to verify and debug money movement flows
  • Collaborate with Money Movement team, job scheduling teams, and downstream account service groups
  • Participate in code reviews and contribute to continuous improvement of API architecture
  • What You'll Need to Have:
  • 5+ years as a Senior Backend Developer with proven REST API design and implementation experience
  • Strong proficiency in Java development at an intermediate to expert level
  • Solid experience building APIs with Spring Boot framework
  • Intermediate-level SQL Server skills including querying, testing, and troubleshooting transaction data
  • Demonstrated expertise testing REST APIs with Postman for validation and integration scenarios
  • Strong integration testing experience across complex, multi-system environments
  • Experience with Azure cloud platform (highly preferred for this migration-focused role)
  • Background in banking or financial services environments (strong advantage but not required)

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