Urgent need: The hiring manager is looking for local candidates who can complete the HireVue assessment and attend an in-person (F2F) interview. Local to OH

If non-local candidates are submitted, we will have to stop working with you.
Rate: $60/hr on C2C

VISA: Open
Non-Negotiables:
  - Local candidates only (must be able to do F2F interview)
  - Senior-level experience developing enterprise Java applications
  - Strong hands-on experience with Java, Spring, and Spring Boot
  - Experience developing RESTful APIs and backend microservices
  - Experience with API Gateway integration and enterprise system integrations
  - Hands-on Point-of-Sale (POS) experience, including working directly with POS terminals or related test environments
  - Experience working in PCI-scoped, payment, financial, or other security-sensitive environments

Technology Stack Required:
Java, Spring, Spring Boot, REST APIs, API Gateway, Microservices, POS Integration, PCI/Secure Development Practices

Preferred / Negotiable:
Kafka, Event-Driven Architecture, Payment Systems, CI/CD, Cloud, Containers

***NO SQL

Duration:
6-month contract

Job Description:
We are seeking an Advanced Software Engineer to join a newly established team supporting the Omnichannel Payment Platform (OPP) and a new Point-of-Sale (POS) system. This senior-level consultant will play a critical role in stabilizing the new POS environment and integrating it with OPP.

The ideal candidate will have strong hands-on experience with Java, Spring/Spring Boot, backend services, API Gateway integrations, and enterprise payment systems, along with practical POS experience. Experience working in PCI-scoped environments is highly valued.

Key Responsibilities:

  - Design, develop, and maintain backend services using Java and Spring Boot.
  - Support the integration of the new POS platform with the Omnichannel Payment Platform (OPP).
  - Develop and support integrations with enterprise API Gateway platforms and downstream services.
  - Troubleshoot and stabilize POS-to-backend and payment processing integrations.
  - Perform hands-on testing and troubleshooting using physical POS terminals and test hardware in the onsite POS lab.
  - Develop secure, scalable, and highly available backend services.
  - Work within PCI-scoped environments, adhering to applicable security and compliance standards.
  - Collaborate with POS, payment, architecture, QA, DevOps, and product teams to resolve integration issues and accelerate delivery.
  - Participate in technical design, code reviews, troubleshooting, and architecture discussions.
  - Develop automated unit and integration tests to ensure reliable and maintainable solutions.
  - Investigate complex integration and production issues and drive them through resolution.
  - Support event-driven architectures and messaging technologies as required.
  - Help establish development and integration practices for the newly formed OPP/POS team.