AISL-258 Full Stack Developer

Looking to work on modern, secure and portable applications with a strong focus on APIs, Cloud and CI/CD?

An opportunity is open for a Technical Consultant – Full-Stack Java Developer to support the modernization and development of critical applications in an Agile environment.

Project context

This role is part of a technology modernization program, involving full-stack development, platform upgrades, integration with external services, security improvements, and continuous delivery practices.

The objective is to deliver vendor-agnostic, portable applications ready for containerized and cloud environments.

Key responsibilities

Java development & modernization

• Contribute to upgrading Java 8 to Java 17 (or higher)
• Develop portable, vendor-agnostic applications
• Support refactoring and continuous improvement initiatives

Back-end & API development

• Develop back-end services using Spring Boot
• Deploy Spring Boot applications on Apache Tomcat
• Design and build OpenAPI-compliant Java REST APIs
• Integrate with existing RESTful services
• Support advanced API patterns: GraphQL / SPARQL, asynchronous interaction models

Security & credential management

• Secure applications and manage credentials
• Implement secrets management solutions such as Hashicorp Vault
• Refactor components to retrieve secrets securely from external tools

Database integration

• Work with Oracle and PostgreSQL
• Query and update relational databases
• Contribute to data migration strategies

Containerization & distributed systems

• Containerize applications using Docker (cloud-agnostic approach)
• Integrate messaging platforms (e.g. Kafka) in event-driven systems
• Manage versioned data schemas in distributed event contexts

CI/CD & quality

• Follow CI/CD practices for automated testing, integration and deployment
• Work with GIT repositories and delivery processes
• Perform testing and validation:
  • Front-end: Mocha, Jest, JMeter, Cypress
  • Back-end: JUnit, Mockito, Postman, Testcontainers

Front-end development

• Develop front-end components using Angular (and potentially eUI)
• Apply HTML, CSS3, responsive and accessible design principles
• Work with build tools such as Webpack or Vite

Cloud & monitoring

• Contribute to integration with AWS, Azure, or GCP
• Implement services using SaaS and CaaS hosting
• Integrate monitoring/logging tools such as the ELK stack
• Monitor data flows and behaviors in asynchronous/event-based systems

Documentation & collaboration

• Document code and system configurations
• Provide modern, developer-friendly API documentation (interactive sandbox, examples, structured tagging)
• Collaborate using Jira, Confluence, SharePoint and Teams
• Work in Agile/Scrum environments with stakeholders

Required profile

Education

• Bachelor’s degree (or equivalent) with at least 3 years of higher education in IT / Computer Science (EQF level 6)
  or
• Additional professional experience may compensate for missing education years, according to the required criteria.

Technical skills

• Strong experience in Java and upgrade projects (Java 8 → Java 17+)
• Solid knowledge of Spring Boot, integration and Tomcat deployment
• Strong API design and development skills (REST/OpenAPI)
• Knowledge of messaging and asynchronous architectures (Kafka)
• Experience with relational databases (Oracle/PostgreSQL)
• CI/CD mindset, Git, automated testing practices
• Docker containerization and cloud exposure (AWS/Azure/GCP)
• Front-end skills with Angular, HTML/CSS, build tools

Soft skills

• Analytical mindset, structured approach, autonomy
• Quality and security-oriented
• Strong communication and teamwork skills

Languages

• English: very good knowledge (minimum C1)

Location & constraints 

• Work model: hybrid

Application

 Candidates are invited to apply by sending an up-to-date CV. Feedback will be provided as soon as possible after the application is received.