Java / oms software engineer with fluent commerce

We are looking for a strong Java Developer with strong Fluent Commerce experience to join our Client’s team in a remote work model.

At Hexa Consulting, we are more than just an IT consulting company — we are a space where technological talent grows. Based in Portugal, we value transparency and a people-first approach, helping professionals take the next big step in their IT careers. Our mission is to build strong relationships and support the development of every team member. With projects in Nearshore, Time & Material, Service Management, and Tech Academies, you will find opportunities to learn, innovate, and grow in your career.

Key Responsibilities

• Analyze business and technical requirements to design and develop robust backend solutions supporting omni-channel retail and order management processes
• Develop, test, debug, and deploy Java-based microservices, ensuring scalability, reliability, and performance
• Design and implement integrations with Order Management Systems and retail platforms, supporting key flows such as order orchestration, inventory visibility, fulfilment, returns, and payment flows
• Design, develop, and maintain Java-based microservices, ensuring seamless integration with systems involved in order management, fulfilment, and retail operations
• Troubleshoot and resolve software defects, integration issues, and performance bottlenecks
• Collaborate with the Support team to investigate and resolve production incidents related to omni-retail and order management services
• Work with the DevOps team to implement and improve CI/CD pipelines, automation, and deployment processes

Required Qualifications

• 4+ years of experience as a Java Software Engineer with strong expertise in Java 21 and the Spring ecosystem, including Spring Boot, Spring Data JPA, Hibernate, and Spring Cloud
• Proven experience developing microservices-based solutions using event-driven architecture and API-first principles
• Experience working with Order Management Systems, including Fluent Commerce, supporting order orchestration and omni-retail processes
• Strong experience designing and implementing RESTful APIs using OpenAPI/Swagger and working with JSON, XML, HTTP, and GraphQL
• Experience building omni-retail and e-commerce solutions, including order lifecycle, inventory visibility, fulfilment, returns, and payment flows
• Proficiency with databases such as MySQL and MongoDB
• Hands-on experience with containerized and cloud-native environments, including Docker, Kubernetes, and CI/CD pipelines using GitLab
• Experience working with event messaging systems and integration patterns, such as AWS SQS, Solace, and Pub/Sub architectures
• Familiarity with security best practices, including OAuth2, OIDC, and IAM solutions such as Keycloak and Okta
• Experience with modern development and testing tooling, including IntelliJ, SonarQube, Datadog, Insomnia, and the Atlassian suite, including Jira and Confluence

If you meet the above criteria and are ready for an exciting opportunity in a dynamic environment, please send your CV!

• Seniority level: Mid-Senior level
• Employment type: Full-time
• Job function: Information Technology
• Industries: Software Development