Developer English-speaking jobs in Siegen

Cloud Engineer needed for operation, monitoring, and development of Azure-based cloud services. Building, maintaining, and optimizing CI/CD pipelines. Enhancing cloud architecture, collaborating on technical issues, and supporting customers with cloud deployments. Requires a degree in computer science, business informatics, or a comparable field and technical knowledge in Microsoft Azure, CI/CD pipelines, container technologies, monitoring & logging, and REST APIs. Experience with SAP-related integration scenarios is a plus.

Operations Assistant needed for a fast-paced food-tech company. Own daily kitchen operations, logistics, and order flow. Execute under pressure, work with teams, and gradually take on catering and sales responsibilities. Must have a valid EU driver's license (Class B) and fluency in English.

Provides technical advice and service assistance to customers and Authorized Service Facilities for Textron Aviation products. Maintains customer goodwill by addressing all issues concerning their aircraft. Documents field issues and fleet concerns for product improvement consideration. Researches and responds to customer inquiries regarding technical assistance, warranty, and service programs. Develops relationships with customers and participates in trade shows and technical events.

Provides administrative support to ESO Astronomy Faculty, Students, Fellows, and Visiting Scientists. Organizes colloquia, seminars, and talk series. Assists with travel and accommodation arrangements and supports the Science Visitor Programme. Contributes to the planning and execution of events for Fellows, Students, and Visitors. Prepares budget reports, compiles statistics, and maintains databases.

Tax Consultant resolves tax issues, ensures local compliance, and advises on tax-efficient business models. Requires a Bachelor's degree in Accounting, Taxation, or a related field and several years of professional tax experience. Automotive trading industry experience is a plus.

Senior employment lawyer to provide advice on complex, cross-functional, and multi-jurisdictional transformation projects. Manage legal and employee relations risk, and support delivery against strategic people priorities.

The Cluster of Excellence 'CASA: Securing the Digital Society' seeks several PhD candidates (3 years) to address cybersecurity challenges posed by disruptive technologies. Applicants must have an above-average Master's degree in computer science, electrical engineering, mathematics, psychology, or a related field, fluent English, and basic knowledge of relevant research areas.

The Chief Marketing Officer will lead the development and execution of the Group's global marketing strategy, including demand generation, branding, and product marketing. This role will manage the marketing team, budget, and oversee strategic marketing campaigns. The CMO will work closely with the Executive Committee to ensure alignment on go-to-market strategy and drive top-line revenue growth.

PhD Position in Microbiome Systems Biology at the Friedrich Schiller University Jena. The project focuses on integrating shotgun metagenomics data with genome-scale metabolic modeling using machine learning to enhance engineered probiotic colonization in the human gut.

English-speaking Early Childhood Educators are needed for a new Fröbel Kindergarten opening in Berlin-Spandau in July 2026. Responsibilities include supporting all aspects of early childhood education and care in English, planning and implementing pedagogical processes, and collaborating with parents. Applicants must have native-level English, at least B2 German, and a recognized early childhood professional qualification in Berlin.

PhD position in machine learning and computer simulations for materials and process design. Develop novel machine learning models to enhance or replace computational engineering methods.

Support CEO with finance, operations, travel, PR, and sales activities. Manage day-to-day company operations, including HR, finance, admin, and internal processes. Assist with strategic topics like investor relations, board preparation, and hiring decisions.

Trade Marketing & Commercial Support professional will analyze market trends, develop trade marketing plans, and manage budgets. The role requires experience in FMCG, project management, and strong communication skills. Fluency in German and English is essential.

Software engineer to build robust software systems for machine learning solutions on major cloud platforms. Translate client needs into technical solutions and collaborate with cross-functional teams.

The Sr. Manager Office & Operations will oversee office infrastructure, vendor relationships, and administrative operations. Responsibilities include managing facilities, procuring IT hardware and equipment, and coordinating with external service providers. The role requires several years of experience in office management, facility management, procurement, or a similar field.

Ensures successful completion of transactions on a B2B battery marketplace. Drives operational execution between buyers, suppliers, and internal teams. Provides ongoing support and guidance to users throughout transactions. Collects user feedback and insights to improve platform development. Collaborates with sales, product, and analytics teams.

Design System Designer (m/f/d) will develop and maintain the company's Design System. Responsibilities include creating, evolving, and reviewing components and patterns, documenting design standards, and collaborating with developers. Requires 5+ years of product design experience, a portfolio showcasing Design System work, and proficiency in Figma, Storybook, and Supernova.

Senior R&D Mechanical Engineer with 10+ years of experience in high precision mechanical design, advanced materials engineering, and design for manufacturability. Leads mechanical design of complex components, serves as materials authority, and applies GD&T and precision engineering principles. Drives collaboration with manufacturing, suppliers, and quality teams. Oversees creation of 3D models, drawings, and documentation. Bachelor's or master's degree in mechanical engineering, Materials Engineering, or related field required.

DYWIDAG seeks a Civil Engineer / Construction Technician to manage wind tower projects in Northern Germany. Responsibilities include project preparation, scheduling, resource planning, cost monitoring, and customer coordination. The ideal candidate has a civil engineering degree or equivalent, experience in construction, and strong communication skills.

Assemble food boxes according to specifications, collaborate on production replenishment, and adhere to safety standards. Good German or English language skills and understanding of food regulations required.