25 English-speaking jobs in Jena

About us Hello Senior Full Stack Engineers! As the leading open-source web analytics platform, Matomo powers over 1 million websites and apps in 190+ countries, offering organisations the insights they need while maintaining full data ownership and user trust. In Germany, Matomo is particularly popular with public institutions, universities, and companies that take GDPR compliance seriously.

About us Hello Senior Full Stack Engineers! As the leading open-source web analytics platform, Matomo powers over 1 million websites and apps in 190+ countries, offering organisations the insights they need while maintaining full data ownership and user trust. In Germany, Matomo is particularly popular with public institutions, universities, and companies that take GDPR compliance seriously.

About us Hello Senior Full Stack Engineers! As the leading open-source web analytics platform, Matomo powers over 1 million websites and apps in 190+ countries, offering organisations the insights they need while maintaining full data ownership and user trust. In Germany, Matomo is particularly popular with public institutions, universities, and companies that take GDPR compliance seriously.

About us Hello Senior Full Stack Engineers! The ideal candidate is motivated by creating real impact — producing practical, usable outcomes rather than overengineered or purely experimental solutions. Operating in a small, autonomous team, this person will combine strong technical execution with product-oriented thinking to help shape the future of Matomo.

With a broad range of disciplines, it shapes the future through excellent research and teaching. Its scientific excellence is reflected in the profile areas Light – Life – Liberty, which provide pioneering insights and sustainable solutions for the society of tomorrow.

We are a fast growing and leading global information and communications technology (ICT) solutions provider. Driven by a commitment to operations, ongoing innovation, and open collaboration, we have established a competitive ICT portfolio of end-to-end solutions in Telecom and enterprise networks, Devices and Cloud technology and services.

With a broad range of disciplines, it shapes the future through excellent research and teaching. Its scientific excellence is reflected in the profile areas Light – Life – Liberty, which provide pioneering insights and sustainable solutions for the society of tomorrow.

With a broad range of disciplines, it shapes the future through excellent research and teaching. Its scientific excellence is reflected in the profile areas Light – Life – Liberty, which provide pioneering insights and sustainable solutions for the society of tomorrow.

With a broad range of disciplines, it shapes the future through excellent research and teaching. Its scientific excellence is reflected in the profile areas Light – Life – Liberty, which provide pioneering insights and sustainable solutions for the society of tomorrow.

With a broad range of disciplines, it shapes the future through excellent research and teaching. Its scientific excellence is reflected in the profile areas Light – Life – Liberty, which provide pioneering insights and sustainable solutions for the society of tomorrow.

Position Overview We are seeking a Chief Operating Officer (COO) for overseeing the day-to-day administrative and operational functions of the business. Reporting directly to the CEO, the COO ensures the company executes its strategy efficiently, drives operational scalability, and maintains a high-performance culture across all departments.

With more than 110 years of industry experience, we combine engineering excellence and global manufacturing with a passion for cutting-edge innovation enabling transformative advancements in the automotive, industrial, medical, and consumer industries.

As a Senior Windows Systems & Virtualization Engineer at Warmwind, you will pioneer the integration of native Windows applications into our AI operating system. By building the execution layer that bridges Warmwind OS with Windows environments, you’ll enable our AI agents to seamlessly operate desktop and enterprise software—expanding the universality of our product beyond the web.

As Head of Security at Warmwind, you will make our AI-native operating system practically secure-end to end. Your mission is to design, build, and scale a modern security foundation that protects our cloud-hosted virtual desktops and core platform without slowing innovation. You’ll set the bar for how security is done in AI infrastructure: simple, robust, and relentlessly effective.

We, Opto GmbH, are an expanding medium-sized company that develops, manufactures, and distributes high-quality special applications for renowned companies in Germany and abroad.

The Corporate Information Technology (CIT) is the central part of the company’s strategy, developing and implementing innovative security solutions to enhance efficiency and competitiveness in the Carl Zeiss Group. By working closely with various business units, CIT ensures that technological advancements and digital transformations are seamlessly integrated into business processes.

will define the software architecture and contribute to developing the next generations of lithography systems, driving innovation in the semiconductor industry find optimal solutions for embedded systems while addressing constraints such as system, hardware, and performance requirements analyze system requirements, collaborate on technical specifications, and propose and decide on solutions toget

In a spacious modern setting full of opportunities for further development, ZEISS employees work in a place where expert knowledge and team spirit reign supreme. All of this is supported by a special ownership structure and the long-term goal of the Carl Zeiss Foundation: to bring science and society into the future together. Join us today. Inspire people tomorrow. Diversity is a part of ZEISS.

Your mission Develop and execute a regional go-to-market and sales strategy to grow Tunz and DT One’s client base across app-driven, fintech, and digital wallet sectors. Build and manage senior-level relationships, including C-Suite stakeholders, across leading app ecosystems, super apps, fintechs, and digital platforms.

About TDSoftware Digital products and new technologies are our passion. At TDSoftware, we have been developing mobile apps for the smart city, telco and healthcare sectors since 2007. In an interdisciplinary team, we bring ideas to life - from conception and UI/UX design to development, QA and marketing. Our modern office is located in the heart of Jena in a beautiful art deco building.