Senior Java Backend Engineer - Omnichannel Commerce

HCLTech; O Chazo; Presencial; EUR 90.000 - 110.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Permanent contract

Private health insurance from day one

Meal allowance

Descripción de la vacante

HCLTech is seeking a Senior Java Backend Engineer to design and build robust backend services for omni-channel commerce and order management. You will work on Java 21, Spring, and microservices, delivering scalable APIs and resilient integrations with OMS and retail platforms.

You will collaborate with cross-functional teams in a fast-paced Agile environment, contribute to CI/CD pipelines, and focus on performance, security, and reliability.

Formación

• 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.
• Develop, test, debug, and deploy Java-based microservices with focus on scalability and performance.
• Design and implement integrations with OMS and retail platforms, supporting order orchestration, inventory visibility, fulfilment, returns, and payments.
• Maintain and improve existing services with high code quality and reliability.
• Troubleshoot defects, integration issues, and performance bottlenecks in production.
• Collaborate with Support to resolve incidents related to omni-retail and order management services.
• Contribute to CI/CD pipelines and deployment automation with DevOps.
• Review functional specs and translate them into scalable technical solutions.
• Work with QA to support testing strategies and automated tests.
• Suggest technical optimizations to improve the product/solution.

Conocimientos

Java 21

Spring ecosystem

Microservices

OpenAPI/Swagger

REST APIs

MySQL

MongoDB

Docker

Kubernetes

CI/CD (GitLab)

OAuth2/OIDC

Keycloak/Okta

Educación

Bachelor's or Master's in CS/SE

Herramientas

IntelliJ

GitLab

Docker

Kubernetes

Descripción del empleo

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

• Permanent contract
• Competitive salary
• Private health and life insurance from day one in the company
• Working hours: Monday to Friday
• Meal allowance on card/voucher

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.

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