Back End Developer

TASKS AND RESPONSIBILITIES

Java Development:

• Developing vendor-agnostic portable applications.

Spring Boot:

• Developing back-end applications.
• Integrating Spring Boot applications with external services.

API Development:

• Developing and integrating Java APIs, especially with RESTful services.

Credential Management:

• Securing applications and using secrets management tools like Hashicorp Vault.

Dependency Management:

• Using Maven to manage Java project dependencies.

Database Integration:

• Working with databases (PostgreSQL).
• Integrating and configuring databases, e.g. Liquibase or similar.

Containerization:

• Containerizing applications with Docker, ideally with solutions compatible with cloud-agnostic environments.

Messaging Platforms:

• Integrating Kafka distributed event systems for asynchronous contexts.
• Centralized management of data schemas in distributed events context.

Continuous Integration/Continuous Deployment (CI/CD):

• Following CI/CD practices for automated testing, integration, and deployment.
• Using GIT code repositories and delivery processes.

Licensing and Compliance:

• Working with licensing and compliance aspects and constraints of integrated components and dependencies.

Testing and Validation:

• Testing and validation of application changes.
• Back-end testing with tools such as JUnit, Mockito, Postman, and Testcontainers.

Documenting and Communication:

• Documenting code and system configurations.
• Communication and collaboration with other teams and stakeholders.

Cloud Platforms & Monitoring:

• Development and integration of AWS, Azure, or GCP.
• Implementing services using SaaS and CaaS hosting.
• Integrating monitoring and logging tools such as the ELK stack.
• Monitoring Kafka-based data flows.

Agile & Collaboration:

• Working in Agile/Scrum environments.
• Using tools like Jira, Confluence, SharePoint and Teams for team collaboration.

REQUIRED SKILLS & QUALIFICATIONS

Education:

• Bachelor’s degree or equivalent in Information Technology, Computer Science, or related field (EQF Level 6).

Languages:

• English: C1 level.
• French: B2 level.

TECHNICAL SKILLS

Java Development:

• Java 8 to 21 – 96 months.
• Design and development of vendor-neutral, cloud-portable applications using open standards – 36 months.
• Spring Boot for back-end applications – 60 months.
• Dependency management with Maven – 72 months.

API Development:

• Developing and integrating RESTful APIs – 60 months.
• GraphQL – 12 months.
• WSO2 API Gateway or similar – 12 months.

Security & Credential Management:

• Securing applications under standards (SSDF, NIST 800-53, etc.) – 48 months.
• Using secrets management tools (e.g., Hashicorp Vault) – 24 months.

Databases & Data Formats:

• SQL – 72 months.
• RDF, knowledge graphs, triple stores – 24 months.
• XML, HTML – 80 months.
• JSON – 80 months.

Containerization:

• Developing containerized applications (Docker) – 24 months.
• Cloud-agnostic environments – 12 months.

Event-Driven Architecture:

• Apache Kafka for asynchronous processing – 36 months.
• Centralized management of Kafka data schemas (e.g., Schema Registry) – 36 months.
• Monitoring/troubleshooting Kafka data flows and consumer performance – 18 months.

CI/CD & Licensing:

• CI/CD practices for automated testing, integration, and deployment – 36 months.
• Git code repositories and delivery processes – 36 months.
• Managing licensing and compliance aspects – 12 months.

Testing:

• Backend testing tools (JUnit, Mockito, Postman, Testcontainers) – 60 months.

Cloud Platforms & Monitoring:

• Cloud development (AWS, Azure, GCP) – 60 months.
• SaaS and CaaS hosting services – 60 months.
• Monitoring/logging tools (ELK Stack, designing dashboards) – 60 months.

Agile & Collaboration:

• Agile/Scrum environments – 60 months.
• Atlassian suite (Jira, Confluence, etc.) – 60 months.
• Microsoft SharePoint and Teams – 12 months.

Documentation & Communication:

• Documenting code and configuration – 60 months.
• Writing analysis documents – 36 months.
• Writing installation instructions and technical guides – 36 months.

ADDITIONAL SKILLS:

• Strong problem-solving and analytical skills.
• Ability to work independently and as part of a team.
• Excellent communication and interpersonal skills.