# Senior Software Engineer (2) at Hudson Manpower

> Onsite · United States · Senior · Software engineering · open. Source: https://alderhq.app/jobs/recruitee%3Ahudsonmanpower%3A2722197 (read 2026-11-09).

## Facts (observed)

- Company: [Hudson Manpower](https://alderhq.app/companies/hudson-manpower)
- Location text: Cincinnati, Ohio, United States
- Where it can be done from (inferred): Onsite · United States (evidence: "Location: Cincinnati, Ohio, United States")
- Posted: 2026-08-25 (75 days ago)
- First seen by alder: 2026-11-07 · last verified: 2026-11-07
- Reposted: 0 times · edited: 0 times
- Apply on the employer's site: https://hudsonmanpower.recruitee.com/o/senior-software-engineer-2
- Skills listed (inferred): Java, Kafka, Docker, SQL, Distributed systems

## Pay and sponsorship

- Posted pay: $114k–$125k per year (from the listing's pay field)
- Market band for similar posted roles (United States, n 3913): p25 $160k, median $183k, p75 $210k

## Description (the employer's text)

### Position Overview

We are seeking a Senior/Advanced Java Developer to support a newly established team working on an Omnichannel Payment Platform (OPP) and a new Point-of-Sale (POS) system. The consultant will help stabilize the POS environment and integrate it with the OPP platform.

The ideal candidate will have strong hands-on experience with Java, Spring, Spring Boot, REST APIs, backend microservices, API Gateway integrations, enterprise payment systems, and POS environments. Experience working in PCI-scoped or security-sensitive environments is highly valued.

### Top Required Skills

### 7+ years of senior-level Java development experience

### 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 POS terminals or related test environments

### Experience in PCI-scoped, payment, financial, or security-sensitive environments

### Strong ability to work onsite with cross-functional technical teams

### Required Technology Stack

### Java

### Spring / Spring Boot

### REST APIs

### API Gateway

### Microservices

### POS Integration

### PCI / Secure Development Practices

### Preferred Skills

### Kafka

### Event-Driven Architecture

### Payment Systems

### CI/CD

### Cloud

### Containers

### Key Responsibilities

Design, develop, and maintain backend services using Java and Spring Boot.

Integrate 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 and follow applicable security and compliance standards.

Collaborate with POS, payment, architecture, QA, DevOps, and product teams.

Participate in technical design, code reviews, troubleshooting, and architecture discussions.

Develop automated unit and integration tests.

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 OPP/POS team.

### Important

No SQL requirement.

### Requirements

### Required Technology Stack

### Java

### Spring / Spring Boot

### REST APIs

### API Gateway

### Microservices

### POS Integration

### PCI / Secure Development Practices

### Preferred Skills

### Kafka

### Event-Driven Architecture

### Payment Systems

### CI/CD

### Cloud

### Containers

### Key Responsibilities

Design, develop, and maintain backend services using Java and Spring Boot.

Integrate 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 and follow applicable security and compliance standards.

Collaborate with POS, payment, architecture, QA, DevOps, and product teams.

Participate in technical design, code reviews, troubleshooting, and architecture discussions.

Develop automated unit and integration tests.

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 OPP/POS team.

### Important

No SQL requirement.

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Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/recruitee%3Ahudsonmanpower%3A2722197 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.