Java Payments Integration Specialist

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Overview

The Java Payments Integration Specialist will join a collaborative engineering team focused on delivering enterprise-grade payment solutions. This fully remote position is ideal for professionals with a strong background in Java development and payment integration, who are excited about working on cutting-edge payment infrastructure and overcoming complex integration challenges. The role is set for an initial six-month contract with an immediate start.

Responsibilities

  • Design, develop, and enhance Java-based payment integration services.
  • Build secure REST APIs and microservices supporting high-volume payment processing.
  • Integrate with payment gateways, acquiring banks, and card processors.
  • Develop scalable, resilient cloud-native applications.
  • Implement secure transaction flows using modern authentication and encryption.
  • Troubleshoot payment processing and production issues.
  • Collaborate with QA, DevOps, and architecture teams throughout the software lifecycle.
  • Produce technical documentation and integration guides.

Requirements

  • Strong Java development experience within enterprise applications.
  • Commercial experience building payment integrations with payment gateways or processors.
  • Proficiency in REST API and Microservices development.
  • Experience with Spring Framework / Spring Boot.
  • Familiarity with distributed systems and high-volume transaction processing.
  • Knowledge of cloud technologies, preferably AWS.
  • Experience with Docker and Kubernetes.
  • Understanding of PCI DSS and payment security standards.
SkillsJava, DevOps, Spring Boot, AWS, Kubernetes, Kotlin, React, JavaScript, C++
LocationUnited Kingdom
TypeRemote
Rate
£400-£500/day
SourceLinkedIn
RecruiterPayments Recruitment Limited
Posted24/07/26