JAVA Developer on Fees

Mission

• Take ownership of the Tariffication application and lead a structured knowledge-transfer process with the retiring Java developer.

• Design, implement, and operate backend services and APIs using Java 17/11/8, Spring 4/5, and Spring Boot 2.x/3.x.

• Build and maintain REST and SOAP APIs; manage HTTP layers and API specifications using OpenAPI/Swagger.

• Develop supporting front-end and administrative consoles in Vue.js or Angular where relevant to platform operations.

• Integrate with Oracle and Microsoft SQL Server using JPA/Hibernate; contribute SQL and PL/SQL and manage schema changes through Liquibase.

• Implement and maintain YAML-based CI/CD pipelines with Maven and Git, including quality gates and automated testing.

• Apply secure authentication and authorization patterns, including Kerberos and OAuth2/OIDC, and follow AppSec best practices such as OWASP guidance, input validation, and secure secrets handling.

• Contribute to test strategy and automation using JUnit 5, Mockito, Cucumber for BDD/ATDD, and Jest for front-end unit tests.

• Support production operations by troubleshooting incidents, analyzing performance, and driving reliability improvements.

• Document APIs, architecture decisions, runbooks, operational procedures, and application knowledge; track work in JIRA.

• Collaborate with application, platform, QA, security, and business stakeholders to align software architecture with business goals and platform standards.

Key Responsibilities During Knowledge Transfer

• Build a clear understanding of the Tariffication application's business rules, pricing and fee logic, integrations, data model, deployment model, and operational dependencies.

• Capture undocumented knowledge, known limitations, recurring incidents, support procedures, and critical troubleshooting steps.

• Review existing source code, architecture documentation, database objects, CI/CD pipelines, monitoring, and release processes.

• Establish and maintain practical runbooks for incident response, deployment, rollback, batch or interface failures, and common production issues.

• Identify technical debt, operational risks, security gaps, and opportunities to improve maintainability and resilience.

• Become a dependable point of contact for the Account & Fees team and related support teams after the transition.

Key Qualifications

• 7–15 years of professional software engineering experience, with a proven track record supporting production systems.

• Strong backend development experience with Java 8 or later; Java 17 or the latest LTS is the target for all applications.

• Hands-on experience with Spring 4/5 and Spring Boot 2.x/3.x.

• Experience designing and maintaining REST and SOAP APIs, HTTP layers, and OpenAPI specifications.

• Exposure to Vue.js or Angular for operational and administrative user interfaces.

• Experience with Oracle and Microsoft SQL Server, including JPA/Hibernate, SQL, database performance fundamentals, Liquibase, and beginner-level PL/SQL.

• Practical CI/CD and DevOps experience with Git, Maven, YAML-based pipelines, and test automation integration.

• Knowledge of Kerberos and OAuth2/OIDC, together with secure coding and AppSec practices covering SQL injection, XSS, RCE, input validation, and secrets management.

• Experience with JUnit 5, Mockito, and Cucumber for BDD/ATDD; Jest experience for front-end unit testing.

• Ability to understand software architecture and document it clearly.

• Fluent English; French is useful.

• Organized, reliable in production support, and able to communicate clearly across teams.

Nice to Have

• Experience with rule engines or BPMN tools, such as Drools; beginner level is acceptable.

• Node.js experience for tooling or auxiliary services.

• End-to-end testing experience with Cypress, Protractor, Selenium WebDriver, or Playwright.

• API or load-testing experience with JMeter; availability of the tool may vary by environment.

• Familiarity with vulnerability scanning tools such as Checkmarx or Fortify.

• Strong sensitivity to code quality, Sonar rules, Clean Code, and OWASP guidelines.

• Experience working in regulated environments, preferably banking or financial services.

Mindset & Soft Skills

• Ownership mentality and practical problem-solving under production constraints.

• Clear communication and effective collaboration with developers, QA, security, platform,