Senior Java Backend Engineer - Omnichannel Commerce
HCLTech · Valencia, Spain ·
- Seniority
- Senior
- Employment
- Contract
- Category
- Backend
- Experience
- 5+ years
- Company size
- 1000+
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Designs and builds Java 21 / Spring Boot microservices for omnichannel retail and order management, integrating OMS platforms (Fluent Commerce) for order orchestration, inventory, fulfilment, returns and payment flows. Deploys cloud-native on AWS with Docker, Kubernetes and GitLab CI/CD in an Agile team in Valencia.
We are HCLTech, one of the fastest-growing large tech companies in the world and home to 220,000 people across 60 countries. We supercharge progress through industry-leading capabilities centered around Digital, Engineering, Cloud, and AI. Our diverse, creative, and passionate people are the driving force behind our work, consistently raising the bar for excellence. We strive to help our employees find their spark and become the best version of themselves
Senior Java Backend Engineer - Omnichannel Commerce
Responsibilities
▪ 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 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).
Qualifications & Experience
Technical Skills
▪ 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).
DevOps & Tooling
▪ Build & IDE: IntelliJ, Maven
▪ Version Control: Git, GitLab
▪ Code Quality & Security: SonarQube, Snyk
▪ API Testing & Integration Tools: Insomnia, RobotFramework
▪ Collaboration & Documentation: Atlassian Suite (Jira, Confluence)
▪ Cloud technologies/platform: AWS, K8s, Docker, Helm Soft Skills
▪ Strong problem solving and analytical skills.
▪ Excellent communication and ability to work with multinational, cross-functional teams.
▪ Proactive, self-driven, and eager to learn new technologies.
▪ Ability to work independently in a fast-paced Agile environment.
Education & Language
▪ 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).
Why Us
Equality & Opportunity for All
Representing 165 nationalities across the globe, we pride ourselves on being an equal opportunity employer, committed to providing equal employment opportunities to all applicants and employees regardless of race, religion, sex, color, age, national origin, pregnancy, sexual orientation, physical disability or genetic information, military or veteran status, or any other protected classification, in accordance with federal, state, and/or local law.
Candidate Privacy Notice: https://www.hcltech.com/candidate-privacy-notice
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