working student English-speaking jobs in Hagen

Drive sales and manage customer relationships in the construction industry. Manage and grow customer platforms, focusing on high-potential customers. Promote Berner as a premium brand and handle objections, delivery, and quality claims. Analyze sales area KPIs and report to superiors. Collaborate with the sales team to achieve performance goals.

Manage outsourced payroll for France, ensuring accuracy, compliance, and timely payments. Requires 4+ years of experience in multinational payroll, French native fluency, and proficiency in relevant software.

Lead strategic Lean improvement initiatives, guide cross-functional teams in implementing Lean/Six Sigma methodologies, and develop site-specific Lean strategy plans.

PhD position in Pediatric Hematology and Experimental Oncology. Research will focus on optimizing existing cancer treatments and developing new therapeutic approaches for children. Requires a Master's degree in a relevant field and experience with cell culture, molecular biology, and biochemical methods.

Develop and implement a global social media strategy for a publicly listed company. Manage and further develop global social media channels including LinkedIn, Instagram, Facebook, and X. Plan and create strategic content for global social media channels in collaboration with internal experts.

Lead the end-to-end deployment of Takeda's S/4HANA process model at the Oranienburg site, ensuring readiness, compliance, stable operations, and uninterrupted supply. Manage risks, issues, dependencies, and business continuity. Drive change, communication, and training efforts. Partner with Site Leadership, OpU, GSQ, DD&T, and Global Process Experts. Secure and coordinate SMEs for design, testing, data, and cutover. Ensure master data quality and readiness for validation and migration. Plan and safeguard cutover with strong contingency measures. Maintain manufacturing and quality stability during transition.

As a Data Scientist on the AI Search team, you will develop and implement algorithms to enhance hotel search ranking and relevance across 35+ languages and 55 countries. You will analyze large datasets, design scalable search architectures, and collaborate with cross-functional teams to improve user experience.

Strategic European Brand Manager to lead the PPE portfolio, shaping strategy, driving growth, and leading market assessments. Develops marketing campaigns, manages product lifecycle, and collaborates with stakeholders across Europe. Requires 8+ years of experience in medical devices, marketing, or commercial roles with a proven track record of success in multiple European markets.

Sales Representative fluent in German and English to promote energy audit services and drive sales growth in the German-speaking market.

Intern will support corporate development projects, conduct competitor analysis, and prepare presentations for the Board of Management.

Working Student in Frankfurt supporting Master KVG activities for Allianz Funds. Assist with daily operations, including cash flow management, client reporting, and fund setup. Contribute to process improvement initiatives and provide support during peak periods.

As Senior Business Development Manager Western Europe, you will drive the international expansion of Encavis' renewable energy portfolio. You will define and execute market entry strategies for utility-scale Solar PV, Wind, and BESS projects, aiming for at least 500 MW COD per market. You will lead portfolio acquisition processes, manage partnerships, and represent the company in target countries.

Supports Digital Content Operations managers on DHL.com projects, including content management, deployment, and technical developments. Executes content changes on DHL websites and country sites according to defined processes. Builds and maintains content for all DHL English and language sites. Ensures compliance with global standards and guidelines.

Intern to support the Infrastructure Fund & Co-Investments team in Munich. Responsibilities include due diligence, financial modeling, fund screening, asset management, and ad-hoc projects. Requires a finance or accounting student with strong analytical skills, attention to detail, and experience with Excel and PowerPoint.

As a Product Designer at koppla, you will collaborate with engineers, product managers, and other stakeholders to design and deliver user-friendly solutions for a collaborative scheduling platform used in the construction industry. You will work in a fast-paced environment, iterating on designs and incorporating user feedback to create a high-quality product.

The Administrative Specialist & Executive Support provides high-level administrative, operational, and HR support to the Tübingen management team. This role coordinates calendars, meetings, travel, and office operations, serving as a key liaison between Germany and the US. The successful candidate will manage data, support internal communication, and assist with HR processes.

Service Technician (m/f/d) for Wind Turbines in Velen. You will carry out on-site servicing and maintenance of wind turbines, repair turbines, and resolve faults. You will analyze error messages, identify causes, and document work digitally.

Critical Software seeks a visionary CTO to lead technology strategy and innovation, driving AI adoption and ensuring a position at the forefront of mission-critical software engineering. The CTO will define and lead the company's global technology vision, strategy, and roadmap, including AI transformation. This role requires 15+ years of technology leadership experience, deep expertise in software engineering, architecture, and multi-domain technology environments, and proven success driving large-scale digital transformation and AI adoption.

Lead a team of experts in driving new business growth and client service excellence. Develop and execute cross-departmental projects, define commercial strategy, and identify business development opportunities. Foster a customer-centric mindset and collaborate with stakeholders across teams and markets.

Digital Marketing Specialist needed for a part-time position (20 hours/week). Develop and implement digital marketing strategies, manage advertising campaigns, analyze performance, and create engaging content. Bachelor's degree in marketing or related field and 2+ years of digital marketing experience required. Fluent in English.