Senior Java Backend Engineer for Omni-Retail & OMS

IZERTIS S.A; Portugal; Teletrabalho; EUR 60 000 - 90 000; Tempo integral

Resumo da oferta

IZERTIS S.A. in Portugal is seeking a Java Software Engineer with 5+ years of experience to design and develop backend solutions for omni-channel retail and order management.

You will build Java microservices, leverage Spring ecosystem, and ensure scalable, reliable services. You will implement RESTful APIs, collaborate cross-functionally, participate in Agile ceremonies, and contribute to CI/CD pipelines with Docker, Kubernetes and GitLab.

Qualificações

• Bachelor’s or master’s degree in computer science, Software Engineering, or a related field.
• Fluency in English (French or other languages is a plus).

Responsabilidades

• Analyse business and technical requirements to design and develop robust backend solutions for 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.
• Maintain and improve existing services, ensuring high code quality, maintainability, and reliability.
• 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.
• Review functional specifications and translate them into scalable and maintainable technical solutions.
• Collaborate with QA Engineers to support testing strategies and contribute to automated testing.
• Contribute to the continuous improvement of the Product/Solution by recommending technical enhancements and optimizations.
• Participate actively in Agile ceremonies (daily stand-ups, sprint planning, sprint reviews, retrospectives).
• 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 architectures 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, and GraphQL.
• Experience building omni-retail and e-commerce solutions, including order lifecycle, inventory visibility, fulfilment, returns, 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).

Conhecimentos

Java

Spring framework

Microservices

OpenAPI/Swagger

RESTful APIs

Agile

Problem solving

English communication

Formação académica

Bachelor’s or Master’s degree in Computer Science/Software Engineering

Ferramentas

Docker

Kubernetes

CI/CD (GitLab)

IntelliJ

SonarQube

Datadog

Insomnia

Jira

Confluence

Descrição da oferta de emprego

IZERTIS S.A. in Portugal is seeking a Java Software Engineer with 5+ years of experience to design and develop backend solutions for omni-channel retail and order management.

You will build Java microservices, leverage Spring ecosystem, and ensure scalable, reliable services. You will implement RESTful APIs, collaborate cross-functionally, participate in Agile ceremonies, and contribute to CI/CD pipelines with Docker, Kubernetes and GitLab.