Senior Java Engineer

Title: Senior Java Engineer with OMS

Location: Lisbon, Portugal

Job Description:

We're looking for a Senior Java Developer to join our team in Lisbon, Portugal, in a hybrid working mode. You will be part of a dynamic Client & Market team, working on innovative solutions in the Omni Retail space. You will contribute to the design, development and optimization of backend solutions that support our luxury Maisons across e-commerce and omnichannel retail platforms. You’ll play a key role in building scalable, high-performance systems that deliver seamless customer experiences across digital and physical touchpoints.

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

Requirements

• 5+ years of experience as a Java Software Engineer with strong expertise in Java 21 and the Spring ecosystem (Spring Boot, Spring Data JPA, Hibernate, Spring Cloud)

• Proven experience developing microservices-based solutions using event-driven architecture and API-first principles

• Experience working with Order Management Systems (OMS), Fluent Commerce supporting order orchestration and omni-retail processes

• Strong experience designing and implementing RESTful APIs (OpenAPI/Swagger) and working with JSON, XML, HTTP, 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 (GitLab)

• Experience working with event messaging systems and integration patterns (e.g., AWS SQS, Solace, 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 (Jira, Confluence)

We offer/Benefits

• Competitive compensation depending on experience and skills
• Variety of projects within one company
• Being a part of a project following engineering excellence standards
• Individual career path and professional growth opportunities
• Internal events and communities
• Flexible work hours