frontend developer English-speaking jobs in Hagen

IU International University seeks a part-time Professor of Computer Science with a focus on Data Science and Cloud Computing for the winter term 2026/27. The position is limited to 2 years and based in Berlin. Responsibilities include teaching, research, and curriculum development. Applicants must have a PhD in Computer Science or a related field, at least five years of professional experience, including three years outside academia, and strong didactic skills. Fluency in English (C1 level) is required.

Solve large, complex real-world problems using ML, AI, NLP, RL, and distributed systems. Develop production-ready models and collaborate with tech and product teams.

Postdoctoral position in virology and molecular medicine available at Witten/Herdecke University. The position is funded by the German Research Foundation (DFG) and focuses on standardized virus preparations and cell culture systems for human adenoviruses.

Conduct and lead rigorous empirical research in digital transformation and digital business, aiming for publication in top journals. Teach at the Bachelor and Master levels and collaborate in an international team.

Lead and grow a Data Science team to develop and adapt algorithms for optimizing energy trading and asset dispatch. Manage a team of 8 FTEs, growing to ~15, and collaborate with executive and leadership teams to set strategic goals.

Senior accounting/banking clerical position requiring 4+ years of bookkeeping, banking, or accounting experience. Analyzes financial data, processes payments, and provides guidance to lower-level clerks. Requires proficiency in accounting software and strong analytical and problem-solving skills. Must have a high command of English.

Warehouse Worker (m/w/d) needed for a global e-commerce logistics specialist in Herrenberg. Tasks include unloading parcels, packing, and scanning. Experience as a warehouse worker is an advantage. English or Hindi language skills are required.

As ESG Expert, you will develop and implement ESG strategies, monitor relevant developments, and support the Net Zero 2050 strategy. You will also set up and maintain ESG documentation, implement ESG tools, and coordinate data collection and reporting.

Regional Sales Account Manager responsible for sales and revenue development in the AME, Mediterranean, and Central Asia regions. Leads a team, develops sales strategies, identifies new customers, and manages the entire sales process. Requires a business or technical degree, several years of international sales experience, and fluency in English and at least one additional language from the target region.

Field Coach Trainer will monitor client interactions, coach sales teams on performance and client experience, and deliver training programs. Requires 5 years of training & development experience in luxury retail, proven coaching skills, and strong communication abilities.

The Senior Director of Product Management will define and execute the vision and strategy for key AI Data Engine capabilities, including GenAI/RAG pipelines, agentic AI data flows, and AI infrastructure for model training and inference. This role will lead a team of product managers and work closely with engineering, design, marketing, sales, and ecosystem partners.

The Country Medical Director (CMD) leads the Medical Affairs organization in Germany, developing and governing the local medical strategy. The CMD provides scientific leadership, ensures compliance with regulations, and collaborates with cross-functional teams. The role reports to the Vice President of Medical Affairs in Europe.

The Chief Strategy Officer will define and execute the company's strategic direction, focusing on digital asset markets, particularly derivatives. This role requires expertise in business scaling, competitive positioning, and cross-functional leadership. The CSO will analyze market trends, identify growth opportunities, and ensure alignment between strategy and operational execution.

Experienced electronics technician needed for beamer and projector repair in a specialized workshop. Requires minimum 5 years of hands-on experience diagnosing and repairing electronic and optical faults. Must be proficient in component replacement, soldering, and using test equipment.

Leads the new Cross-Subdivisional Products & Solutions business subdivision within the Test & Measurement division. Drives AI integration, scalable product development, and cross-subdivisional collaboration. Builds strategic relationships with customers and partners across various industries.

Lead the financial backbone of a global energy software platform, shaping financial strategy, managing liquidity, and building scalable structures across accounting, controlling, legal, and financial operations.

Lead wine curation and guest education for luxury properties globally. Develop and implement wine lists, conduct tastings, and partner with culinary teams. Proven Sommelier experience in luxury hospitality required.

Senior Procurement Manager to lead procurement strategy for large data center construction projects. Responsibilities include procurement governance, package strategy, subcontract tendering, supplier risk management, and project support. Requires a degree in a related field, 10+ years' procurement experience in construction or engineering, and strong knowledge of subcontract procurement and negotiation.

Senior Electrical Engineer to join a Data Center project in Berlin. Responsibilities include preparing technical documentation, monitoring progress, managing site electrical engineering issues, and supervising technicians. Requires an honors degree in electrical engineering, experience in commissioning electrical systems, and fluency in English.

As Trade & Customs Specialist, you will shape standards, manage customs authorizations, and oversee key compliance processes to ensure audit readiness. You will monitor bonded warehouse activities, fulfill AEO-C obligations, and act as a point of contact for customs authorities.