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Senior Java Developer / Lead Developer Evolution

Original title: Développeur Java Senior / Évolutif Lead Développeur

Confidential · 79000 NIORT, France · Hybrid · Senior

  • 79000 NIORT, France · Hybrid
  • 12 mois
  • French

Indexed (11 Jun 2026) · refreshed constantly

Start
ASAP
Duration
12 mois
Work mode
Hybrid
Contract
Freelance / B2B
Seniority
Senior
Reference
260610R001

Required skills

Nice to have:Critical Environments

Languages: French

Job description

Seeking a Senior Java Developer to join a squad responsible for the operational maintenance of strategic applications, with a clear path to a Lead Developer role. The position involves incident resolution, bug fixing, continuous improvement, and team support.

Project overview

Context of the mission

As part of strengthening a squad responsible for the operational maintenance (MCO) of strategic applications, we are looking for a Senior Java Developer to support a team of about ten collaborators in resolving incidents, implementing fixes, and continuously improving applications.

The position offers a real prospect of evolution towards a Lead Developer role, with progressive responsibility for technical subjects, team support, and contribution to development orientations.

Missions

Within an agile team of about 10 people, you will be responsible for:

Required technical skills

Essential

Mastery of:

Appreciated

Behavioral skills

  • Analyzing and correcting production incidents.
  • Developing and deploying fixes (hotfixes) in critical environments.
  • Participating in the continuous improvement of code quality and development processes.
  • Carrying out the necessary Java developments for application evolutions.
  • Designing and maintaining unit tests and integration tests.
  • Participating in code reviews and technical discussions within the team.
  • Producing concise technical analyses and proposing recommendations.
  • Communicating effectively with various stakeholders (project team, operations, business, architecture).
  • Contributing to the team's skill development and, eventually, taking on the role of technical referent.
  • Minimum 5 years of experience in Java development.
  • Java
  • Spring / Spring Boot
  • GitLab CI/CD
  • Unit tests
  • Integration tests
  • Git Flow
  • Management of deliveries and deployment of hotfixes
  • Experience in highly critical environments.
  • Use of AI-based development assistance tools:
  • Gemini Code Assist
  • GitHub Copilot
  • Cursor or equivalent.
  • Excellent analytical and synthesis skills.
  • Ability to investigate complex issues.
  • Proactive and solution-oriented.
  • Very good written and oral communication skills.
  • Team spirit and service orientation.
  • Ability to progressively take on a technical leadership role.

Project details

Profile sought

You are an experienced Java developer wishing to work in a demanding environment, with a strong operational dimension and a career path towards a technical lead role. You appreciate solving complex problems as much as collaborative work and transmitting best practices within teams.

  • Location: Niort
  • On-site presence: 3 days per week minimum, non-negotiable
  • Start date: as soon as possible
  • Type of mission: long term
  • Team: approximately 10 collaborators
  • A supplementary allowance is provided to cover travel, accommodation, and meal expenses related to on-site presence days.
  • Start: ASAP
  • Duration: 12 mois
  • Location: 79000 NIORT, FR
  • Languages: French

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