freelance English-speaking jobs in Bielefeld

Service Technician (m/f/d) for wind turbines. Responsibilities include on-site servicing and maintenance, repairing turbines, analyzing error messages, and documenting work. Requires vocational training in a relevant field, familiarity with Microsoft and iOS, and a valid Class B driver's license.

Account Executive (f/m/d) drives sales growth by engaging with clients, managing the sales cycle, and building relationships. Requires 2-3 years of experience in a startup environment, strong communication skills, and proficiency in German and English.

Nachhilfeunterricht seeks a guitar tutor to deliver online and/or in-person lessons. Create structured and personalized lessons to teach guitar techniques, music theory, and build student confidence. Basic guitar knowledge and the ability to explain techniques clearly are required.

Executive Assistant to Founders will manage calendars, communications, travel, and logistics for executives. The role requires strong organizational and communication skills, proficiency in Microsoft Office Suite, and fluency in English and German.

Shape user-centered, sustainable energy solutions for the European market. Translate user needs, market insights, and technological possibilities into high-quality design concepts. Conduct user-centered research and monitor design, technology, and market trends. Develop innovative concepts while considering engineering feasibility and production costs. Collaborate with the global design team and coordinate external design partners.

Account Manager (m/w/d) manages full-cycle customer relationships, from business development to long-term partnership. Leads contract negotiations, drives account growth, and acts as the interface between customers and internal departments. Requires 3-8 years of experience in Account Management, Sales, or Business Development in the Life Sciences, Diagnostics, or Medical Technology Industry.

Supply-Chain Planning Systems Lead will optimize forecasting & replenishment system logic, configure processes and user views, and manage system improvements. The role requires experience in demand or supply planning, advanced planning systems, and ERP integration.

Investment Analyst will source, underwrite, and analyze potential investments, assist in closings, and manage portfolios. Responsibilities include preparing investment committee proposals, performing company analysis, and industry research. Strong quantitative, financial, and analytical skills are required.

Process Associate to support escrow and mortgage operations by assisting with residential and commercial transaction closings. Responsibilities include reviewing documents, coordinating with stakeholders, preparing loan packages, and ensuring adherence to timelines and quality standards.

Leads radiation protection activities across site design, licensing, shielding, regulatory compliance, and project delivery for radiopharmaceutical facilities. Manages projects, ensures regulatory compliance, and provides onsite support for successful site operation. Requires a Master's degree in a relevant field and several years of experience in radiochemical or radiopharmaceutical operations.

Senior Analyst – BCG Vantage within BCG's Technology and Digital Advantage (TDA) and Principal Investors & Private Equity (PIPE) Practice Areas. Provides industry and functional expertise and insights to case and proposal teams. Supports Tech due diligences, translates technology assessments into investment-relevant insights, and develops benchmarks and conducts surveys. Contributes to developing intellectual property & assets for the business and manages unique BCG offerings.

The EDC Senior Officer leads/co-leads business development efforts in assigned European markets. Responsibilities include identifying and developing new business opportunities, managing the EDC brand image, and collaborating with internal teams to develop account strategies. The role requires 5+ years of experience in international or trade financing, international business, corporate banking, or a related field. Fluency in English and German is required.

Lead and develop a team of Account Executives focused on driving Brevo's growth across DACH. Coach, inspire, and empower your team to achieve quota attainment and individual growth. Execute the go-to-market strategy, monitor pipeline health, and support full-cycle sales execution.

SAP MDG Senior Consultant needed for a 9-month project. Focus on MDG configuration, integration with Teamcenter, and optimization. Requires experience with MDG workflows, data modeling, REST APIs, and integration scenarios. Project language is English.

Shape innovative therapeutic programs in a three-year fixed-term position. Drive projects from target validation to preclinical candidate identification, collaborating with cross-functional teams and external companies.

Data Labeler (Korean Speaking) Intern for Global Discovery team. Label and annotate images, text, audio, and video data. Maintain data quality and consistency. Fluency in English and Korean required.

Support the planning, shooting, and editing of video content for internal and external communication. Assist in creating video assets for brand campaigns, social media, events, and global programs.

Manages accounts payable and receivable processes, including invoice processing, vendor relationships, and tax compliance. Oversees a team responsible for invoice validation, reconciliation, and payment processing. Implements strategies to improve accounts receivable management and streamline collections.

Senior Manager responsible for portfolio strategy and performance management in enteral nutrition. Conducts market analysis, develops business cases, and tracks product performance. Requires 5+ years of experience in portfolio strategy, business analytics, or related fields. Strong analytical, financial, and communication skills are essential.

Lead strategic projects and programs from concept to implementation. Operationalize strategic measures to facilitate transformation at PHOENIX group. Further develop the "Strategic Initiatives" department and co-create the Inhouse Consulting service offering.