freelance English-speaking jobs in Bielefeld

The HR Administrator will prepare and execute monthly payroll, manage employment contracts, and coordinate with external agencies. They will also prepare reports, act as a contact for stakeholders, and support the recording and correction of attendance times.

As a Senior Account Executive, you will drive revenue growth in the DACH region by advocating Freshworks product lines to mid-market clients. You will manage your sales pipeline, collaborate with marketing and business development, and exceed sales goals.

Leapsome seeks a Head of Growth & Lifecycle to architect and lead the company's global expansion strategy. This role owns the strategy and execution of the demand engine, accountable for Sales Accepted Opportunities (SAOs), qualified pipeline, and customer expansion revenue. The ideal candidate will design market-focused go-to-market strategies, master the full buyer journey, and partner with Sales, Product, and Customer Success.

PhD student to develop methods for reproducible production of nanoscale drug carriers, characterize their structure and optical properties, and quantify Pt-drug loading.

Senior Analyst to design, evolve, and maintain group-wide price forecasting methodologies and standards. Responsibilities include model review, market analysis, curve quality monitoring, and stakeholder management. Requires a Master's degree in a quantitative field, 5-7+ years of experience in energy markets, and strong Python and communication skills.

Provides IT support, including system maintenance, troubleshooting, and user setup. Implements changes, ensures disaster recovery, and optimizes work processes. Requires strong problem-solving, analytical, and communication skills. Fluent English and German are essential.

Manages maintenance activities and vendors for a region of stores, ensuring company standards for appearance and operation. Conducts audits, manages work orders, and collaborates with cross-functional partners. Requires a bachelor's degree, proficiency in German, and relevant technical knowledge.

HR Business Partner will support a specific organizational unit, advising managers on labor law, implementing HR processes, and supporting business needs.

Fitness Coach needed to deliver and implement workplace health and fitness programs, provide exercise guidance, and lead fitness classes. Must have a Trainer B license, relevant educational background, and excellent German and English communication skills.

Senior Project Manager to lead complex construction projects in the venue, theatre, and leisure sectors. Experience with FIDIC and/or VOB contract frameworks and fluency in German required.

Designs and develops sophisticated C++ components for medical software solutions, focusing on performance, stability, and scalability. Architects and implements multithreading and parallelization concepts. Collaborates with Architecture, QA, and Product Management to deliver robust solutions. Analyzes and optimizes codebases, identifies performance bottlenecks, and elevates system performance.

Provide clinical care to students, maintain health records, and communicate with school leadership and health authorities. Must have a nursing qualification, fluency in English and German, and experience working with children.

Medical Science Liaison with Haematology experience needed for a global pharmaceutical company. Develop relationships with healthcare professionals and internal/external stakeholders. Provide clinical and scientific expertise in AML and support medical strategies.

Senior Project Development Lead will manage large-scale battery energy storage projects through development, focusing on grid connection, permitting, and stakeholder engagement.

Finance Project Manager to lead and deliver finance-related projects, including process optimization, system implementations, and compliance initiatives.

Accounts Payable Accountant responsible for invoice processing, vendor master data, VAT transactions, payment runs, and monthly closing entries. Requires commercial training, financial accounting experience, and proficiency in SAP and MS Office.

The (Senior) Staff Clinical Evaluation Specialist will develop clinical documentation for global market access. Responsibilities include managing clinical evaluation projects, drafting regulatory documents, designing literature search strategies, and communicating with regulators. The role requires a Master's degree in a health/science-related field and 4+ years of experience in research, clinical, quality, or regulatory affairs.

Warehouse Clerk (m/f/d) needed in Estorf. Assist with goods receipt, inspection, storage, order picking, packing, inventory checks, and operating warehouse equipment. Forklift training provided.

Designs and develops aircraft structural modifications for flight test sensor and equipment installations. Performs structural analyses and ensures compliance with airworthiness regulations. Coordinates with flight test, instrumentation, and engineering teams. Requires a Bachelor's degree in Aerospace or Mechanical Engineering and experience in aircraft structural design and modification.

Lead technical design and delivery of HVDC cable systems, including accessories, fiber optic systems, and cable monitoring. Manage project phases from permitting to commissioning, leading multidisciplinary teams and coordinating external service providers.