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twentyAI

Java Software Engineer - TWE44068

Hybrid

Paris, France

Freelance

13-01-2026

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Skills

Java SQL CI/CD Jenkins Test Scrum git angular Organization Shell Software Development Agile Spring PL/SQL Spring Boot Maven CI/CD Pipelines

Job Specifications

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

About the Company

TwentyAI is a talent and staffing solutions firm that combines cutting-edge AI technology, deep data insights, and human expertise to connect top talent with outstanding opportunity, specializing in data, technology, finance and GTM. Our in-house proprietary data analytics platform streamlines the recruitment process, enabling our consultants to focus on building meaningful relationships and staying ahead of industry trends. Since 2008, we've invested in both people and technology, driving business growth and career developm... Know more