react English-speaking jobs in Braunschweig

From August 2026 our secondary school in Dreieich (near Frankfurt) is looking for a Mathematics Teacher (in part-time or full-time)

The Commercial Program Owner drives global commercial transformation by improving sales through process excellence, AI, automation, and digital commerce. This role leads strategic programs, including the enterprise eCommerce launch, ensuring tangible business value.

Lead tax matters for Castrol across Continental Europe (ex-UK), Middle East, Türkiye, and Africa, focusing on Germany. This role manages tax governance, compliance, risk, and audits while advising leadership. Requires expertise in German tax law and fluency in German and English.

Master's thesis focusing on simulating a biogas-fed Solid Oxide Electrolysis – Fischer Tropsch Synthesis System. Tasks include modeling, validating, and optimizing the FTS process in Aspen Plus.

Lead the Global Cluster Regulatory organization, providing senior leadership for in-market regulatory strategy, execution, and registration delivery. This role partners with Cluster and Commercial Leadership to ensure compliant growth and market access.

Thesis Student role involving analysis of current automation for thermal runs and development of automated solutions, including CAN control optimization for frequency inverters. Requires study in mechatronics or electrical engineering.

Treasury Manager focused on Liquidity, FX, and Working Capital Optimization. This role interfaces between business treasury and accounting to strengthen liquidity efficiency and cash flow transparency within a dynamic energy trading environment.

Sales Stylist for Levi's® in Mannheim. Create genuine customer connections and deliver exceptional 1:1 service. Support store operations, maintain visual standards, and help achieve sales goals.

Frontline Process Engineer for optical alignment in semiconductor manufacturing. ZEISS develops technologies for smaller, more powerful, and energy-efficient microchips.

Sales Engineer specializing in Vacuum Sales. Responsibilities include developing customer relationships, implementing sales strategies, and acting as a subject matter expert for dry vacuum technology. Requires a relevant university degree and 3-5 years of sales or business development experience.

Lead the direct marketing sales team and strategy for a leading European energy trader expanding in German and international markets. Responsible for building and executing a 3-5 year strategy, leading negotiations, and identifying new market segments. Proven success in upstream direct sales in the German energy market and strong leadership skills are required.

Frontline Process Engineer for Optical Alignment. Analyze manufacturing processes of high-end lithography systems, defining improvements for quality and stability. Technical responsibility for lens/optics assembly and alignment. Requires STEM degree and experience in semiconductor process analysis.

Head of New Technology Formulation (m/f/d) in Design/Process Development. Responsible for formulation design and process development across modalities, focusing on ADCs within FTRL. Supports regulatory submissions and manufacturing technology transfer.

Scientific Education Manager for Dental Solutions EMEA will develop and deliver educational programs, build relationships with Key Opinion Leaders, and provide clinical support on digital orthodontic and restorative products. Requires a dentist degree, fluency in French and English, and experience in curriculum design and Key Opinion Leader strategy.

This PhD position at Bosch Research focuses on developing efficient and scalable reinforcement learning methods for Physical AI. The successful candidate will explore new approaches to autonomous decision-making, combining techniques like imitation learning, reinforcement learning, and model compression.

Lead a multi-site heavy and special transport operation across Germany. Drive operational excellence, efficiency, and performance. Develop and implement standardized processes and best practices.

Strategic VP Head of Metal Robotics to drive global vertical strategy, growth, and innovation. Define business plans, align R&D with customer needs, and lead cross-functional execution. Requires deep industry expertise and 10-15+ years of relevant experience.

Head of New Technology Formulation leads design/process development across modalities, focusing on ADCs. Responsibilities include regulatory submission support and manufacturing technology transfer. Requires a Ph.D. or equivalent experience in formulation research.

Technical Project Manager for C&I Solar & BESS. Lead battery storage projects from contract award to commissioning, managing technical aspects, contractors, and grid connections. Requires electrical engineering background and fluent German.

Operations and Supply Chain Director for a luxury jewellery business. Oversee the end-to-end value chain including sourcing, production, inventory, and logistics. Requires experience in fine jewellery, strong commercial awareness, and German language capability.