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We partner with Anthropic behind Alpha Factory, Switzerland's first centre of excellence for human-centered AI adoption.\nWe 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.\nJob Description:\nOpen Web Technology has an immediate opening for a Senior Java Developer in Geneva with a minimum of 5 years of development experience.\nAs 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.\nYour mission:\nDesign, develop, and maintain complex applications and systems, leveraging Claude Code and modern engineering best practices\nContribute to architectural decisions by proposing innovative technical solutions\nWork in an agile environment and applyDevSecOps best practices\nSupport the Technical Team Lead in code reviews and the writing of technical specifications\nMentor Junior Developers and share best practices\nRequirements\nYour qualifications:\nA minimum of 5 years of experience in Java development\nStrong expertise in Spring frameworks (Spring Boot, Spring Data, Spring Security)\nKnowledge of frontend technologies (React or equivalent)\nGenuine 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\nComfortable with DevOps practices andCI/CD tools\nExperience with cloud solutions (Azure, AWS…) and/or use containerization concepts with Docker, Kubernetes, or similar technologies\n Fluency in French and English (minimum C1 level); German is a plus\nBenefits\nA dynamic, collaborative culture with a strong client focus, working with prestigious Swiss organizations on diverse and cutting-edge technology project\nA growth-oriented environment with a clear career path and fast progression opportunities\nA modern work model combining office presence, home office, and client-site collaboration\nA competitive salary and a healthy work-life balance\nA team of experts always ready to share knowledge, backed by a proven mentoring model to support your personal and professional development.\nReady 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.\nInterested in learning more about OWT? 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