react English-speaking jobs in Braunschweig

Commercial Engineer for Europe office. Responsible for generating new sales, maintaining current customers, and supporting other sales personnel. Requires knowledge of food, cosmetic, or pharmaceutical industries and fluency in Spanish and English.

As Chief Operating Officer, you will own end-to-end company operations, translating strategy into execution and ensuring the organization scales. You will lead financial operations, establish governance frameworks, and drive cross-functional alignment.

The Max Planck Institute for Marine Microbiology seeks a Scientific Programmer to develop, integrate, and optimize a high-resolution ocean biogeochemical modeling framework. The successful candidate will design and conduct experiments, analyze simulations, and contribute to publications and conference presentations.

Information Management Coordinator supports the development and operations of EUMETSAT satellite systems. Provides information management support to all EUMETSAT business areas and contributes to the evolution of the overall IM framework.

The Head of Partners will define and execute Lieferando's end-to-end Partner Growth Strategy, driving sustainable business growth through strategic partnerships. This role will lead Joint Business Plans (JBPs), oversee partner marketing activation and visibility, and manage the Partner Growth budget. The Head of Partners will report to the Marketing Director and shape the partner growth agenda, influencing cross-functional priorities.

Client Accountant to coordinate financial matters for international clients, providing bookkeeping, reporting, and audit coordination support.

Supports the implementation of Lean Design and Lean Construction methods across project phases using PPM, LPS, and Exyte software. Trains project team members on Lean Construction tools and software. Contributes to the continuous improvement of Lean tools and methods.

Senior Security Architect needed to design, implement, and improve enterprise security architectures and strategies. Experience in IT and OT security, risk assessments, and security roadmaps required.

EIIET Berlin seeks a motivated administrative and sales assistant to support daily office operations, student inquiries, admissions, and sales activities.

Leads global accounting operations, ensuring accuracy, efficiency, and compliance with US GAAP. Drives ERP implementation, process optimization, and automation initiatives. Manages a team, fosters a culture of innovation, and collaborates with cross-functional teams.

Freelance photographers needed to capture high-quality images in hair and beauty salons. Portfolios in lifestyle/commercial photography required. Must adhere to specific photography guidelines and technical specifications. Payment of €65/£65 per shoot (excluding VAT) for a maximum of one hour. Travel expenses are not covered.

Provide advisory support in areas such as HR management, IT infrastructure, or real estate valuation. Collaborate with teams on digital transformation and process optimization.

Develop and maintain scalable Salesforce solutions using Apex, Lightning Web Components, SOQL/SOSL, APIs, and integrations. Provide expert guidance on Salesforce topics, ensuring adherence to coding standards and quality assurance.

The NUCLEATE Excellence Cluster at the University of Würzburg seeks PhD or Postdoctoral Researchers in nucleic acid sciences and technologies. Applicants for a PhD position must hold a Master's degree, while postdoctoral applicants require a doctoral degree in a relevant field.

Provides support for content creation, business operations, and external outreach. Assists with administrative tasks, marketing initiatives, and stakeholder relationships. Develops and edits content for various platforms, conducts research, and manages online communities. Supports project tasks, prepares presentations, and assists with business support functions.

Execute KJUS sales strategy across ski, golf, and lifestyle categories in Central and Southern Germany, focusing on wholesale and B2B channels. Drive sales growth, manage budgets, and strengthen brand presence.

Senior System Administrator will act as onsite technical lead for the Berlin office, providing 2nd-level support, managing Microsoft 365, server infrastructure, and leading IT projects.

A part-time (65%) doctoral researcher position in metagenomics is available at the Leibniz-HKI, commencing December 1, 2026. The project explores the gut microbiome's role in human health using multi-omics data analysis. Responsibilities include data analysis, manuscript writing, and collaboration with researchers. Applicants should have a MSc in a relevant field, experience with metagenomics data analysis, and programming skills.

Designs and develops high-end C++ components for medical desktop applications, focusing on performance, stability, and scalability. Architects, implements, and reviews complex multithreading and parallelization concepts. Analyzes, refactors, and optimizes existing codebase, identifying bottlenecks and improving product quality.

Perform inspection, troubleshooting, repair, and quality control on e-bikes. Prepare e-bikes for customer delivery and maintain the in-house fleet. Contribute to process improvement and support warehouse operations.