twentyAI
Java Software Engineer - TWE44068
twentyAIFrance12 hours ago
ContractRemote FriendlyInformation Technology

Freelance Java Full Stack Developer – IT Shared Services

Contract: Freelance / Contractor – 6-month rolling

Location: Paris (Hybrid – 2 days per week onsite)


A leading financial services technology organization, operating in a collaborative and Agile environment.


Join a dynamic IT team as a Freelance Java Full Stack Developer, contributing to the ongoing support and enhancement of critical business platforms. This senior, hands-on role is ideal for those who can work independently, quickly integrating into the team to deliver high-quality solutions. Your day-to-day tasks will include:

  • Designing, developing, and delivering new features and fixes to existing applications.
  • Performing impact analysis and providing accurate effort estimates.
  • Ensuring high standards of code quality and compliance.
  • Applying clean code principles, test-driven development (TDD), and thorough unit testing across the software development lifecycle.
  • Contributing to and maintaining CI/CD pipelines.
  • Taking part in Agile ceremonies, including Scrum meetings and sprint planning.
  • Supporting onboarding and sharing knowledge with team members.
  • Encouraging continuous improvement in tools, practices, and delivery workflows.

Key Skills

  • Java with Spring Boot (2.3)
  • Angular 8/9
  • Shell scripting (ksh)
  • Strong Oracle SQL / PL/SQL
  • Test-driven development (TDD), unit testing, and clean code practices
  • Maven, Jenkins, SonarQube
  • Bitbucket
  • Solid Git knowledge
  • Expertise in Agile delivery (Scrum, user stories)
  • Experience working with enterprise or shared-services teams

Key Skills

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