Senior Backend Java Developer

Hcltech; Córdoba; Presencial; EUR 55.000 - 85.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Private health insurance

Life insurance from day one

Descripción de la vacante

HCLTech in Córdoba, Spain, is seeking a Senior Java Backend Engineer to design and build robust backend solutions for omnichannel retail and order management. You will work on Java microservices, API design, and cloud-native deployments.

Join a fast-paced Agile team, collaborate with DevOps and QA, and contribute to scalable, secure systems using Docker, Kubernetes, and AWS. Fluency in English required; experience with OpenAPI/Swagger and modern testing tools is valued.

Formación

• 5+ years of experience as a Java Software Engineer.
• Strong Java 21 expertise and Spring (Boot, Data JPA, Hibernate, Cloud).
• Experience designing RESTful APIs (OpenAPI/Swagger) and working with JSON/XML/GraphQL.
• Experience building omni-retail and e-commerce solutions covering order lifecycle.
• Proficiency with MySQL and MongoDB.
• Hands-on with Docker, Kubernetes, and CI/CD (GitLab).
• Knowledge of AWS SQS, Solace, Pub/Sub; security: OAuth2/OIDC, IAM (Keycloak/Okta).

Responsabilidades

• Analyse business and technical requirements to design and develop robust backend solutions for omnichannel retail and order management.
• Develop, test, debug, and deploy Java-based microservices with scalability and reliability.
• Design integrations with Order Management Systems and retail platforms covering key flows.
• Maintain and improve services, troubleshoot defects and performance bottlenecks.
• Collaborate with QA to support testing strategies and participate in Agile ceremonies.

Conocimientos

Java

Spring ecosystem

REST APIs

Agile / fast-paced

English fluency

Educación

Bachelor's or Master's in Computer Science or related field

Herramientas

Docker

Kubernetes

GitLab CI/CD

AWS

MySQL

MongoDB

OpenAPI/Swagger

GraphQL

Jira/Confluence

IntelliJ

SonarQube

Datadog

Insomnia

Snyk

Keycloak

Okta

Pub/Sub

SQS

Solace

Helm

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

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.
• Work with the DevOps team to implement and improve CI/CD pipelines, automation, and deployment processes.
• Collaborate with QA Engineers to support testing strategies and contribute to automated testing.
• Participate actively in Agile ceremonies (daily stand-ups, sprint planning, sprint reviews, retrospectives).

Requirements

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).

• Strong experience designing and implementing RESTful APIs (OpenAPI/Swagger) and working with JSON, XML, 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).
• 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

• Version Control: Git, GitLab
• Code Quality & Security: SonarQube, Snyk
• API Testing & Integration Tools: Insomnia, RobotFramework
• Atlassian Suite (Jira, Confluence)
• Cloud technologies/platform: AWS, K8s, Docker, Helm

Soft Skills

• Ability to work independently in a fast-paced Agile environment.
• 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).

Permanent contract Private health and life insurance from day one in the company Monday to Friday.

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.