python English-speaking jobs in Mainz

Experienced General Manager needed for The Hoxton, Berlin opening in 2026. Responsible for the property's commercial success, guest experience, and team leadership. Must have strong hotel operations experience in the German market and a passion for delivering exceptional service.

Experienced Associate or Vice President to develop relationships with DACH and European private equity funds. Support origination efforts, identify transaction opportunities, and act as a strategic advisor to sponsor clients on M&A, financing, and capital structure.

Senior Portfolio Manager will drive the digitalization and optimization of development processes, ensure data quality across project portfolios, and establish feedback loops for continuous improvement.

Design and develop full-stack investment data solutions integrated with GenAI and Machine Learning applications. Work with stakeholders to understand business and data needs and translate them into technical requirements.

Full-Stack Software Engineers build and support production services, develop user interfaces, and collaborate with internal teams to deliver product offerings.

As a Financial Analyst, you will support financial reporting, budgeting, and forecasting for brands in the DACH region. You will analyze sales, margin, and overhead reports and prepare profitability analysis for various teams.

The Retail Merchandising Manager develops and implements product and market strategies to maximize business growth in Germany and Austria. This role collaborates with Store Managers, Paris Headquarters, and the internal Retail Merchandising Team to achieve sales targets, manage inventory, and ensure successful product launches. The Retail Merchandising Manager analyzes market trends, competitor strategies, and store performance to optimize product assortment and merchandising plans.

As a Stock Operator, you will manage stockroom operations, ensure efficient replenishment, and train store associates on stock management. You will collaborate with the Store Manager to optimize sales and provide support to the team.

As Associate Director Presales, you will provide leadership and strategic direction to technical sales support teams. You will ensure alignment of support activities with company objectives and sales targets. Responsibilities include developing training programs, collaborating with sales and product development, and overseeing technical documentation.

Scientist I (m/w/d) - Maternity cover, fixed term 1 year. Organizes and executes projects in line with RDQ, marketing, and manufacturing requirements. Conducts pilot plant and factory trials and writes technical reports. Requires experience in food science, science, or engineering and fluency in English and German.

Technical Application Engineer for EMEA, providing technical support to channel partners and sales colleagues on Power Conversion Solutions. Leads technical presentations, supports tenders, and collaborates with Business Development on product and application needs. Requires experience in technical engineering and sales, preferably in the converter or BESS markets. Bachelor's degree in electrical engineering or equivalent experience is necessary.

Interim CFO to lead finance operations in Germany and Poland, overseeing budgeting, sales planning, and liquidity development. Establish and enhance treasury, risk management, and financial governance frameworks across jurisdictions. Drive performance improvement and support M&A initiatives.

Leads and develops the Data Science team, ensuring high-quality delivery across client and internal projects. Contributes to strategic development of the data function and actively supports project acquisition and pre-sales activities. Designs data science solutions, architectures, and analytical approaches.

Design digital customer experiences across CRM platforms, websites, and multi-channel touchpoints. Transform customer insights into compelling creative concepts for personalized campaigns, email journeys, and web experiences. Collaborate with UX/UI designers, CRM experts, developers, and data analysts to deliver high-impact design.

Data Operations Specialist ensures the maintenance of customer and supplier platforms, focusing on sustainability. Responsibilities include capturing, processing, and validating geodata in the Osapiens platform, ensuring data quality, and supporting reporting.

Receptionist / Office Assistant needed for temporary assignment from mid-March to end of September. Responsibilities include managing the reception area, handling calls, organizing travel and catering, and providing administrative support. Must be fluent in French and English, proficient in MS Office, and have experience in a similar role.

Senior Manager, Strategy & Tech Projects will drive high-priority initiatives, lead cross-functional projects, and analyze emerging technologies. Requires 3-4 years of experience in (Tech-) Strategy Consulting, Venture Capital, or a Chief of Staff role at a high-growth tech startup. Must have technical project leadership experience, hands-on technical fluency, and strong problem-solving skills.

Senior Counsel to provide legal advice and guidance on European regulations impacting the business, including REACH, CLP, MDR/IVDR, GMP guidelines, and pharmaceutical and/or medical device law. Develop and implement compliance strategies to ensure adherence to European regulatory requirements. Collaborate with internal and external stakeholders to address regulatory issues.

Startupistan Impact Ventures seeks a Program Manager to lead and scale international programs in digital skills, entrepreneurship, and workforce development. This role involves managing multi-country teams, donor relationships, and program budgets.

Board-Certified physician needed to lead CAGT portfolio growth. Expert in clinical research and clinical trials, especially in gene therapy/gene editing. Develops innovative, data-driven solutions for CAGT trials. Provides scientific and clinical expertise to IQVIA divisions and collaborates with indication-specific teams. Leads thought leadership activities and supports business development. Requires at least 5 years of clinical research experience in gene therapy/gene editing.