Experienced JAVA / PYTHON Developer

Project details

Paris (75)

Mission Type: Contracting / Technical Assistance

Long-term mission

Start Date: As soon as possible

Mission Context

As part of the evolution of its information system, our client, a major player in the banking sector, is looking for an experienced Java / Python Developer to participate in the development, evolution, and maintenance of a strategic banking management application.

You will join an Agile team composed of architects, developers, Product Owners, Business Analysts, and production teams.

Missions

The consultant will participate in the entire application lifecycle:

Analysis and Design

Participate in functional workshops with business teams.

Analyze functional and technical requirements.

Write technical specifications.

Design robust and scalable solutions.

Development

Develop new features in Java and Python.

Maintain existing applications.

Develop REST APIs.

Perform batch processing.

Optimize application performance.

Participate in code reviews.

Testing and Quality

Perform unit and integration tests.

Participate in acceptance testing campaigns.

Fix bugs.

Ensure code quality (Clean Code, SonarQube).

Industrialization

Participate in continuous integration.

Contribute to deployments.

Automate processes.

Ensure technical documentation.

Maintenance

Ensure maintenance in operational conditions.

Diagnose production incidents.

Participate in regulatory and functional evolutions.

Technical Environment

Languages

Java 11 / 17

Python 3.x

SQL

Frameworks

Spring Boot

Spring MVC

Spring Data

Hibernate / JPA

FastAPI or Flask

APIs

REST

OpenAPI / Swagger

Databases

PostgreSQL

Oracle

SQL Server

Messaging

Kafka

RabbitMQ (appreciated)

DevOps

Git

Maven

Jenkins

Docker

Kubernetes (appreciated)

Quality

SonarQube

JUnit

Mockito

PyTest

Tools

Jira

Confluence

GitLab

Profile Sought

Master's degree in Computer Science or Engineering school.

Minimum 5 years of experience in Java development.

Minimum 3 years of experience in Python development.

Significant experience in developing critical applications.

Mastery of REST and microservices architectures.

Good knowledge of relational databases.

Experience with Agile methodologies (Scrum/Kanban).

Awareness of application security issues.

Experience in the banking, financial, or insurance sector is highly appreciated.

Technical Skills

Domain Expected Level

Java Expert

Spring Boot Expert

Python Confirmed / Expert

SQL Confirmed

REST API Expert

Git Confirmed

Docker Confirmed

Kubernetes Confirmed

Maven Confirmed

Jenkins Confirmed

PostgreSQL / Oracle Confirmed

Kafka Confirmed

Agile Scrum Confirmed

Functional Skills

Understanding of banking business challenges.

Development of transactional applications.

Management of production incidents.

Evolutionary and corrective maintenance.

Performance optimization.

Compliance with security and confidentiality standards.

Work in a multidisciplinary team.

Expected Qualities

Autonomy.

Rigor.

Analytical skills.

Proactivity.

Excellent interpersonal skills.

Service-oriented.

Ability to work on critical applications.

Good communication skills with business and technical teams.

Expected Deliverables

Developments compliant with quality standards.

Technical documentation.

Unit and integration tests.

Maintenance fixes.

Documented APIs.

Deployment scripts.

Test reports.

Operational documentation.

Mission Conditions

Paris (75).

Work Mode: Hybrid (on-site and remote work according to client policy).

Long-term mission with possibility of renewal.

Start Date: As soon as possible.

Availability: Full-time.

Mission Benefits

Participation in a strategic project in the banking sector.

Development of high-value-added applications.

Modern technical environment (Java, Python, Spring Boot, REST API, CI/CD, Docker, Kubernetes).

Collaboration with expert teams in an Agile context.

Opportunity to contribute to the evolution of critical management software for banking activities.

• Start: ASAP
• Duration: 12 mois (renouvelables)
• Location: 75001 PARIS, FR
• Languages: French