Senior Java Platform Engineer – Banking Sector

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Senior Java Platform Engineer – Banking Sector

senior · Technology / Software Development

Mission 

• 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/admin consoles in Vue.js or Angular where relevant to platform operations.
• Integrate with Oracle and MS SQL Server using JPA/Hibernate; contribute SQL/PL-SQL and manage schema changes via Liquibase.
• Implement CI/CD pipelines (YAML-based) with Maven and Git, including quality gates and test automation.
• Apply secure authentication and authorization patterns (Kerberos, OAuth2/OIDC); follow AppSec best practices (OWASP, input validation, secrets handling).
• Contribute to test strategy and automation (unit, integration, BDD/ATDD with JUnit 5, Mockito, Cucumber; Jest on frontend).
• Support production operations: troubleshoot incidents, analyze performance, and drive reliability improvements.
• Document APIs, architecture decisions, runbooks, and operational procedures; track work in JIRA.
• Collaborate cross-functionally to align software architecture with business goals and platform standards.

Key Qualifications

• 7–15 years of professional software engineering experience; proven track record supporting production systems.
• Strong backend development with:
  • Java (from 8 to the latest LTS being the target for all apps)
  • Spring 4/5 and Spring Boot 2.x/3.x
  • REST and SOAP API design; HTTP layer fundamentals; OpenAPI standard
• Frontend exposure with Vue.js or Angular for operational/admin UIs.
• Databases: Oracle and MS SQL Server, with hands-on experience in:
  • JPA/Hibernate
  • SQL, DB performance fundamentals
  • Liquibase for schema migrations
  • PL/SQL (beginner level, <2 years)
• CI/CD and DevOps practices:
  • Git, Maven
  • Pipeline management in YAML
  • Test automation integration in pipelines
• Security and authentication:
  • Kerberos and OAuth2/OIDC
  • Good knowledge of AppSec (SQL injection, XSS, RCE) and secure coding practices
• Testing practices:
  • JUnit 5, Mockito, Cucumber (BDD/ATDD)
  • Jest for frontend unit tests
  • Note: Team does not practice strict TDD; emphasis is on pragmatic, automated testing
• Software architecture proficiency and ability to document clearly.
• Languages: Fluent in English. French is useful.
• Soft skills: Organized, reliable in production support, able to communicate clearly and collaborate across teams.

Nice to Have

• Rule engines and BPMN tools (e.g., Drools; beginner <2 years).
• Node.js for tooling or auxiliary services.
• E2E testing experience (Cypress, Protractor, Selenium WebDriver, PlayWright).
• API/Load testing (JMeter) — Note: Tool may not be available in current environment.
• Familiarity with vulnerability scanning tools (e.g., Checkmarx or Fortify).
• Strong sensitivity to code quality (Sonar rules/Clean Code) and OWASP guidelines.
• Experience in regulated environments (banking/financial services).

Mindset & Soft Skills

• Ownership mentality and practical problem-solving under production constraints.
• Clear communication and effective collaboration with developers, QA, and security.
• Attention to detail in security, documentation, and code quality.
• Pragmatic approach to process; comfort operating without full agile maturity.

Our Tech Environment

• Languages: Java (17/11/8); Node.js [Optional]
• Frameworks: Spring 4/5, Spring Boot 2.x/3.x
• Frontend: Vue.js, Angular; Jest for unit tests
• Databases: Oracle, MS SQL Server; JPA/Hibernate; SQL/PL-SQL (beginner); Liquibase
• APIs: REST and SOAP; HTTP layers; OpenAPI/Swagger; Kerberos; OAuth2/OIDC
• DevOps: Git, Maven; CI/CD pipelines (YAML); Test Automation; Sonar/Clean Code
• Tools/Process: JIRA; BDD/ATDD with Cucumber
• AI: internal framework accessible from the dev platform

• What We Offer
• Opportunity to build and operate production services with real impact in a leading bank.
• Collaboration with experienced application, platform, and security engineers.
• Professional development and training support.
• Pragmatic work practices focused on delivery and reliability.

• Location
• Mandatory Swiss Residency close to Geneva

Core Competencies : Adherence to the company’s values: Dedication, Conviction, Agility and Responsibility - Compliance with regulations and internal directives