Senior Full-Stack Engineer — Java, APIs & Enterprise Apps

Halian | Managed Services, Recruitment Agency & Contract Staffing; Paris; Sur place; EUR 90 000 - 130 000; Plein temps

Résumé du poste

Our client in Paris, France is seeking a Senior Full Stack Software Engineer to contribute to the design, development, and ongoing enhancement of large-scale business applications used by multinational teams. You will work on core backend services and modern web front-ends.

In an international Agile environment, you will participate in the full software development lifecycle—from requirements gathering and design to implementation, integration, and support—emphasising scalable architectures and

Qualifications

• 10+ years of experience in software engineering and enterprise application development.
• Strong hands-on expertise in Java and object-oriented programming principles.
• Experience building modern web applications, RESTful APIs, and distributed systems.
• Solid understanding of software architecture patterns, design principles, and development best practices.
• Experience working with Agile methodologies and software modelling tools.
• Ability to work independently in multicultural and international project environments.

Responsabilités

• Design, develop, and maintain enterprise-grade web applications and backend services.
• Analyse business and technical requirements and translate them into robust software solutions.
• Develop and integrate APIs and services supporting complex business processes.
• Contribute to application architecture, technical design, and best practice definition.
• Collaborate with cross-functional teams including architects, QA engineers, and business stakeholders.
• Produce and maintain technical documentation while ensuring code quality, performance, and maintainability.

Connaissances

Java

OO Principles

RESTful APIs

Distributed systems

Software architecture

Agile

Multicultural teams

Description du poste

Our client in Paris, France is seeking a Senior Full Stack Software Engineer to contribute to the design, development, and ongoing enhancement of large-scale business applications used by multinational teams. You will work on core backend services and modern web front-ends.

In an international Agile environment, you will participate in the full software development lifecycle—from requirements gathering and design to implementation, integration, and support—emphasising scalable architectures and