Java Senior Developer

Open Web Technology SA; Genf; Hybrid; CHF 120,000 - 180,000; Full time

Job summary

Open Web Technology SA is seeking a Senior Java Developer to drive transformation for leading Swiss organizations from our Geneva office. The role requires a minimum of 5 years of Java development and deep Spring framework knowledge, with frontend React expertise and a passion for AI.

You will collaborate with Project Managers, Team Leads, Designers, and Engineers to build and support enterprise-grade websites and collaboration platforms.

Qualifications

• Minimum 5 years of Java development experience.
• Strong expertise in Spring frameworks (Spring Boot, Spring Data, Spring Security).
• Knowledge of frontend technologies (React or equivalent).
• Genuine passion for AI with hands-on experimentation across LLMs and prompt engineering.
• Comfortable with DevOps practices and CI/CD tools.
• Experience with cloud solutions (Azure, AWS) and containerization (Docker/Kubernetes).
• Fluency in French and English (CEFR C1); German is a plus.

Responsibilities

• Design, develop, and maintain complex applications and systems.
• Contribute to architectural decisions with innovative technical solutions.
• Work in an agile environment applying DevSecOps best practices.
• Support the Technical Team Lead in code reviews and writing technical specifications.
• Mentor junior developers and share best practices.

Skills

Java

Spring

React

DevOps

CI/CD

French

English

Tools

Docker

Kubernetes

Azure

AWS

Job description

OWT is a strategy and technology consulting firm. We partner with Anthropic behind Alpha Factory, Switzerland's first centre of excellence for human-centered AI adoption.

We are strengthening our team of experts and looking for a passionate Senior Developer to drive transformation across leading Swiss organizations, based in our Geneva office.

Open Web Technology has an immediate opening for a Senior Java Developer in Geneva with a minimum of 5 years of development experience.

As a Senior Java Developer, you will be working with our Project Managers, Technical Team Leads, Designers, and Engineers to conceive, build and support website and collaboration platforms for large enterprises.

Your mission:

• Design, develop, and maintain complex applications and systems, leveraging 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

Your qualifications:

• A minimum of 5 years of experience in Java development
• Strong expertise in Spring frameworks (Spring Boot, Spring Data, Spring Security)
• Knowledge of frontend technologies (React or equivalent)
• Genuine passion for AI with hands-on experimentation across LLMs and strong familiarity with prompt engineering, agent design, eager to bring this energy into client projects
• Comfortable with DevOps practices and CI/CD tools
• Experience with cloud solutions (Azure, AWS…) and/or use containerization concepts with Docker, Kubernetes, or similar technologies
• Fluency in French and English (minimum C1 level); German is a plus

• A dynamic, collaborative culture with a strong client focus, working with prestigious Swiss organizations on diverse and cutting-edge technology project

• A growth-oriented environment with a clear career path and fast progression opportunities
• 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 always ready to share knowledge, backed by a proven mentoring model to support your personal and professional development.
  

Ready to make a real impact on how Switzerland adopts AI? Join our team of experts in a company where technology, innovation, and collaboration drive everything we do.
Interested in learning more about OWT? Check out our page on Linkedin!