Senior Java Developer - AI & Enterprise Platforms

About the role

Open Web Technology, a strategy and technology consulting firm partnering with Anthropic behind Alpha Factory, is strengthening its team of experts and looking for a Senior Java Developer in its Geneva office. You will work with Project Managers, Technical Team Leads, Designers and Engineers to conceive, build and support website and collaboration platforms for large enterprises.

Key responsibilities

• Design, develop and maintain complex applications and systems using Claude Code and modern engineering best practices
• Contribute to architectural decisions by proposing innovative technical solutions
• Work in an agile environment and apply DevSecOps best practices
• Support the Technical Team Lead in code reviews and the writing of technical specifications
• Mentor junior developers and share best practices

Required profile

• A minimum of 5 years of experience in Java development
• Genuine passion for AI, with hands-on experimentation across LLMs, familiarity with prompt engineering and agent design, and eagerness to bring this to client projects
• Fluency in French and English (minimum C1 level); German is a plus

Required skills

• Strong expertise in Spring frameworks (Spring Boot, Spring Data, Spring Security)
• Frontend technologies such as React or equivalent
• DevOps practices and CI/CD tools
• Cloud solutions (Azure, AWS) and/or containerization with Docker, Kubernetes or similar

What we offer

• A dynamic, collaborative culture with a strong client focus, working with prestigious Swiss organizations
• A growth-oriented environment with a clear career path and fast progression
• A modern work model combining office presence, home office and client-site collaboration
• A competitive salary and a healthy work-life balance
• A team of experts and a proven mentoring model supporting your development