freelance English-speaking jobs in Bielefeld

As an Export Control Officer, you will ensure compliance with export control laws (DE/EU/US), the War Weapons Control Act, and customs regulations. You will be responsible for license management, assessment and approval of business transactions, and collaboration with internal and external parties.

Working student to support optical communications development with a focus on experimental and metrology work. Responsibilities include setting up test benches, developing control software, characterizing components, and analyzing data.

Lead and develop a multidisciplinary team of 25+ engineers in signal distribution for mobile communication antennas. Manage resources, ensure project delivery, and collaborate with stakeholders.

Global Performance & Value Manager needed for a leader in home wellness technology. Design global pricing strategies, analyze market trends, and provide data-driven insights to support portfolio decisions. Requires 5-8 years of experience in pricing, analytics, or category performance within a consumer goods or e-commerce context.

Structural Engineer to develop and maintain in-house structural health monitoring tool for offshore wind farms. Responsibilities include analyzing data, creating digital twins, and improving design and operations. Requires a master's degree in engineering, knowledge of structural dynamics, operational modal analysis, and finite element modeling, as well as programming skills in Python.

This part-time on-call position coordinates sacramental programs, RCIA, catechist training, and youth programs. The coordinator plans seasonal events, handles administrative tasks, and collaborates with the Catholic Chaplain and Chapel staff.

Sample Management Technician responsible for receiving, registering, storing, and tracking biological samples. Requires proficiency in laboratory techniques, excellent communication skills in English, Chinese, and German, and the ability to work independently and collaboratively.

The German Cancer Research Center (DKFZ) seeks a Postdoctoral Research Associate to investigate immunotherapies at the nanoscale. The position is based at the NCT WERA site in Würzburg and focuses on molecular mapping of bispecific antibody-mediated immune synapse architecture and quantitative imaging of receptor clustering. The successful candidate will design and implement imaging experimental workflows (SMLM and/or LLSM and/or expansion microscopy) to visualize the spatial organization of receptors and cytoskeletal proteins at the T cell-tumor cell junctions.

Lead applied AI research in LLMs, agent frameworks, and document understanding. Drive productization of AI solutions and design AI pipelines for automation. Collaborate with product, customer success, and engineering teams. Mentor and grow an AI team.

This role maintains and manages the community space at Blackwave's Taufkirchen location, ensuring it is clean, stocked, and welcoming. Responsibilities include daily cleaning, managing supplies, and providing a positive experience for guests and team members. The ideal candidate has experience in housekeeping, hospitality, or a related field and is comfortable operating coffee machines and dishwashers.

As a Solution Architect, you will partner with customers in the real estate and construction industry to design and propose solutions that integrate with their existing systems. You will guide customers through technical discovery, provide expert advice on Alasco's solutions, and ensure a smooth transition from pre-sales to onboarding.

This postdoctoral position investigates the role of extracellular vesicles in wound healing and tissue regeneration following sulfur mustard exposure. The successful candidate will conduct cell biological and molecular analyses on primary cells using advanced equipment.

Create engaging, personalized video content for player recruitment at Red Bull soccer clubs. Develop innovative ideas and collaborate with stakeholders to understand club-specific needs.

Leads and coordinates medical research activities in Germany to ensure high scientific and operational quality. Manages internal and external partners to ensure quality, timelines, and budget are met. Develops regional omnichannel engagement plans and acts as a central interface between local and global stakeholders. Contributes to the generation of robust data in clinical trials to inform treatment decisions.

Project Procurement Manager for offshore wind installation subcontractors. Manages resource development, subcontractor pre-qualification, and tendering processes. Evaluates technical and commercial proposals, conducts negotiations, and supports strategic subcontracting initiatives.

Optimization Engineer will develop and maintain solvers for large-scale numerical optimization problems in robotics applications.

Amazon PPC Division Manager will oversee the PPC department, ensuring alignment with company strategy and operational effectiveness. Responsibilities include managing reporting, onboarding clients, building processes, identifying bottlenecks, and mentoring the team.

Client Advisor needed for Diamonds Factory store in Cologne. Provide personalized consultations, guide customers through bespoke design, and deliver a luxurious shopping experience. Achieve sales targets and represent the brand professionally.

Leads global HR data architecture, governance, and analytics service delivery. Drives AI-powered HR solutions and builds a high-performing HR Data, Analytics & AI unit. Requires 10+ years of experience in HR, data analytics, global HR systems, and leading cross-functional initiatives.

Leads digital transformation and delivery in the DACH region, developing strategies to drive top and bottom-line growth. Responsible for all aspects of technology and shared service support, leveraging regional and global digital services teams.