Full Stack Developer | Java | Hybrid

Alpega Group
Barcelona, Spain
10 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Barcelona, Spain

Tech stack

Java
API
Agile Methodologies
Cloud Computing
Software Quality
Code Review
Continuous Integration
Hibernate
Java Persistence API
JSON
WildFly (JBoss AS)
Maven
SQL Databases
XML
Performance Testing
Angular
Large Language Models
Spring-boot
Backend
Angular
Front End Software Development
REST
Oracle Cloud Infrastructure
Jenkins
Microservices

Job description

As a Medior Java Integration Developer, you will work within a small Agile team to develop and maintain integration solutions and broader business-critical platforms. You will focus on our in-house integration layer (built in Java 8) used for external communications and system integrations, while also contributing to server-side and UI development. The ideal candidate will have experience with integration protocols, Java technologies, Jboss, and be able to troubleshoot issues while working on end-to-end project delivery in an international, cross-functional team., As a Mid-Level Java Full Stack Developer, you will work in a small Agile team to design, build, and maintain core business platforms. You will be responsible for both backend development (Java 8+) and frontend development using Angular. While Java expertise is mandatory, Angular experience is a strong advantage.

Backend Development

  • Design and implement backend services using Java 8+, Spring Boot, JPA, SQL, and REST.
  • Maintain and evolve existing systems while contributing to our modernization roadmap.
  • Collaborate on microservice architecture, integration layers, and high-performance APIs.

Frontend Development

  • Develop modern, responsive UI components using Angular (Angular Material knowledge is a plus).
  • Collaborate with UX/UI to create intuitive and engaging user experiences.
  • Ensure frontend code consistency, performance, and maintainability.

Project Development

  • Work end-to-end across the feature lifecycle: analysis, development, testing, documentation, and deployment.
  • Partner with cross-functional teams to define technical solutions and estimate effort.
  • Contribute to our transition from legacy components to a modern, scalable full-stack architecture.

Software Quality & Maintenance

  • Perform unit, functional, and performance testing.
  • Conduct code reviews and ensure best practices in performance, security, and scalability.
  • Support junior developers by sharing knowledge and providing technical guidance.

Requirements

  • 5+ years of hands-on experience with Java (Java 8 or higher is mandatory).
  • Solid experience with Spring / Spring Boot, JPA/Hibernate, SQL, and integration via REST.
  • Experience working with Angular (Angular Material or Angular-based UI frameworks are a plus).
  • Knowledge of XML, JSON, and integration patterns.
  • Experience with CI/CD tools such as Jenkins, Maven (Nice to have).
  • Familiarity with Agile/Scrum workflows.
  • Experience with cloud platforms (Oracle Cloud is a plus).

Soft Skills

  • Ability to explain complex technical topics clearly to both technical and non-technical stakeholders.
  • Fast learner who can understand and navigate existing codebases.
  • Strong team player with excellent communication skills.
  • Mentoring mindset and collaborative approach.
  • Curiosity, passion for learning, and openness to exploring new technologies (LLMs, microservices, modernization, etc.).
  • Confidence in interacting with customers when necessary.
  • Comfortable working in a global, international environment.

Other Requirements

  • English proficiency is mandatory.

**Please send your resume in English.

Benefits & conditions

  • You will join a young, vibrant, and highly motivated team.
  • We encourage continuous learning, experimenting, and exploring new technologies.
  • You'll be part of a full-stack modernization program, influencing the next generation of our platforms.
  • You will have the chance to work with LLM-driven features and MCP integration, becoming part of our innovation roadmap.
  • A culture where your ideas matter, and you can genuinely shape the product., * A competitive salary package and legal benefits focused on well-being, work flexibility, and career growth.
  • A permanent contract.
  • Hands-on experience in the supply chain & logistics domain, with dynamic business growth.
  • A hybrid work model.
  • An international environment with 40+ nationalities.
  • A chance to directly contribute to the future of sustainable transportation.

About the company

The Alpega Group is looking for a Mid-Level Java Full Stack Developer to join our growing, modern engineering team. This position is part of the IT organization at Alpega, where we build powerful, scalable, and user-friendly TMS (Transportation Management System) products used across the globe., The Alpega Group is a fast-growing, leading software company that offers modular solutions to manage transportation end-to-end and enable our customers to achieve greener transportation processes, with 35+ years in the business. Find more about our clients and services here: Alpega Group: control your supply chain with Alpega TMS., The Alpega Group has 500 collaborators with over 40 nationalities, based in our different locations. We are a global team, with different backgrounds, races, faiths and genders. We commit to ensuring that everyone feels included, has opportunities to learn and grow and is happy at work. If you require any additional support with your application, reach out to the Talent Acquisition specialist for this position, so we can make arrangements for you.

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