Position: Java Software Engineer – OMS / Fluent Commerce

Location: full remote

Workload: 100%

Start date: To be agreed

Language : Fluent English is required

Context

As part of the development and continuous improvement of digital e-commerce and omnichannel platforms, our client is looking for an experienced Java Software Engineer .

You will contribute to backend solutions supporting order management, fulfilment and retail operations , working in an international and Agile environment.

Key Responsibilities

You will be responsible for :

Analysing business and technical requirements and translating them into robust and scalable backend solutions.
Designing, developing, testing and maintaining Java-based microservices .
Developing and maintaining integrations with Order Management Systems (OMS) and retail platforms.
Supporting key flows including order orchestration, inventory visibility, fulfilment, returns and payments.
Designing and developing REST APIs following API-first principles.
Ensuring high levels of code quality, maintainability, performance and reliability.
Troubleshooting software defects, integration issues and performance bottlenecks.
Supporting the investigation and resolution of production incidents.
Collaborating closely with Architecture, DevOps, QA and Product teams.
Contributing to the improvement of CI/CD pipelines , automation and deployment processes.
Participating in Agile ceremonies and contributing to the continuous improvement of the solutions.

Your Profile

Minimum 5 years of experience as a Java Software Engineer .
Strong expertise in Java 21 and the Spring ecosystem , including Spring Boot, Spring Data JPA, Hibernate and Spring Cloud.
Proven experience developing microservices-based, event-driven and API-first architectures .
Experience working with Order Management Systems (OMS) ; knowledge of Fluent Commerce is highly valued.
Good understanding of e-commerce and omni-retail environments , including the order lifecycle.
Strong experience with REST APIs, OpenAPI/Swagger, JSON, XML and knowledge of GraphQL.
Experience with MySQL and MongoDB .
Hands-on experience with cloud-native and containerised environments, including AWS, Kubernetes, Docker and Helm.
Experience with messaging systems and event-driven integration patterns such as AWS SQS, Solace or equivalent technologies .
Knowledge of security standards and solutions including OAuth2, OIDC, Keycloak and/or Okta .
Experience with CI/CD environments, particularly GitLab .
Familiarity with tools such as Maven, SonarQube, Snyk, Datadog, Jira and Confluence.
Strong analytical and problem-solving skills, with the ability to work independently in an international and cross-functional Agile environment.
Fluent English is required.
French or another language would be considered an advantage.

Founded in 2007, Antaes is a Swiss management and technology consulting firm and one of Switzerland’s leading consulting companies. Today, more than 320 experienced engineers and consultants share our passion for delivering high-quality solutions to our clients.

With offices in Switzerland, Singapore and France, we support both Swiss and international clients across three main areas:

Organization and Transformation Consulting
Industrial Engineering
Information Systems Management

By joining Antaes, you will become part of:

A dynamic and entrepreneurial team
A people-oriented environment with personalized career support and development opportunities
Challenging projects that will help you grow your expertise and expand your professional network
Regular company events, including team-building activities, meet-ups, workshops and our annual Summer Event
A company certified @HappyAtWork and committed to a strong CSR strategy, recognized with an EcoVadis Gold Medal in 2025

We sincerely thank all applicants for their interest in Antaes. Please note that only candidates selected for the next stage of the recruitment process will be contacted.

For readability purposes, where gendered wording is used, it is intended to be inclusive of all gender identities.

Java Software Engineer - OMS / Fluent Commerce

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