Java Developer

As leading European customer experience and digital transformation services group, SQLI empowers international brands to generate value through digital innovation. We craft engaging experiences by combining cutting‑edge technology, proven methodologies, and deep technological expertise. At every stage, AI is embedded as a core driver of value—enhancing insights, automation, personalization, and scalability. From strategy to deployment, we design and build robust, high‑performing architectures that enhance agility, boost efficiency, and drive sustainable business growth.

What sets us apart? A unique mix of cross‑disciplinary talent, global delivery strength, and an obsession with client outcomes. We Elevate. Digitally.

In this role, you will contribute to developing and optimizing the backbend solutions supporting our luxury Maisons across e‑commerce and omni‑channel retail platforms. You will design, develop, and maintain Java‑based microservices, ensuring seamless integration with systems involved in order management, fulfilment, and retail operations. Working closely with Software Engineers, Architects, Dev Ops, and Product Analysts, you will deliver high‑quality solutions aligned with business needs and technology standards.

Operating in an Agile and international environment, you will contribute to all phases of the development lifecycle, including development, testing, deployment, and support, while helping ensure the reliability and performance of the digital platforms.

• Analyse 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.
• 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 Dev Ops 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 (Git Lab).
• 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, Sonar Qube, Datadog, Insomnia, and the Atlassian suite (Jira, Confluence).

• Strong problem solving and…