freelance English-speaking jobs in Bielefeld

Equipment Maintenance Technician needed for preventative and unplanned maintenance, machine upgrades, and process machinery support. Must have 2+ years of experience in industrial maintenance, troubleshooting, and experience with software controlled electro mechanical systems.

Senior Quantity Surveyor to manage commercial and contractual aspects of projects from procurement to final account. Experience in MEP, Data Centre, Pharmaceutical, Industrial, or large-scale construction projects required.

Scientist II will conduct physical testing of medical devices and materials, manage client projects, and prepare technical reports. Requires a degree in a scientific or engineering discipline or relevant industry experience, fluency in German and English, and strong analytical and communication skills.

As a working student, you will support customer onboarding, manage support tickets, and configure client settings within our compliance automation platform. You will also communicate with authorities regarding international work and travel compliance.

Designs, configures, and implements customer solutions on the Ailance platform. Translates business requirements into actionable solution concepts and supports implementation projects.

Senior 2D Animator to create character animations, backgrounds, and VFX using Spine 2D and After Effects. Collaborate with Art Directors to define visual style and optimize animations for game engines. Requires 5+ years of experience, strong Spine 2D skills, and a portfolio showcasing character animation and VFX.

The Helmholtz Centre for Geosciences seeks a Head of Section to lead and develop digital tools for Earth system sciences. Responsibilities include strategic planning, personnel management, and project acquisition. The successful candidate will have a scientific degree, experience in agile project management, and strong leadership and communication skills.

At BNY, our culture allows us to run our company better and enables employees' growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the world's investible assets.

Office Manager to ensure smooth office operations and provide comprehensive support to a team in a fast-paced international environment. Responsibilities include managing office assets, planning events, handling correspondence, coordinating facility management, and supporting travel arrangements.

Technical Project Manager for Solar PV & BESS projects. Manage projects from concept to financial close, ensuring technical feasibility, optimized design, and compliance with standards. Experience in EPC tendering, technical evaluation, and project development required. Fluent in German and English.

Coordinate and administer Protestant Religious Education programs for children, youth, and adults. Plan and organize seasonal programs, recruit and train volunteers, and manage program budgets.

This 2-year fixed-term trainee role in Sales Support provides hands-on experience within a dedicated team. You will contribute to projects, events, and daily tasks, gaining practical knowledge in sales support activities. The role requires a vocational training in business administration, strong German and English skills, and proficiency in Microsoft Office tools.

As a Customer Engineer, you will install, maintain, and upgrade semiconductor equipment at customer sites. Responsibilities include troubleshooting, performing preventative maintenance, and collaborating with customers to ensure smooth operations.

Banqueting Manager leads large-volume conference and banqueting operations in a major event hotel. Manages a sizeable team, ensuring excellent guest service and efficient execution of events. Requires several years of experience managing banqueting operations in a large hotel or event venue, strong leadership skills, and fluency in German (C1) and English.

Provides onsite technical support for desktop computers, laptops, and peripherals. Troubleshoots hardware/software issues, configures systems, and creates support documentation.

Leads the development of clinical and regulatory documents, including Investigator’s Brochures, Clinical Study Reports, and marketing authorization submissions. Provides strategic guidance to cross-functional teams on document content and regulatory positioning. Manages medical writing projects and collaborates with stakeholders to gather and present clinical data.

Senior Sales Engineer to advise healthcare organizations on interoperability, data platforms, analytics, and AI solutions. Support customer projects from strategy to implementation, including architecture workshops, proof of concepts, and executive presentations. Requires experience in healthcare software, integration platforms, or cloud/data platforms, strong technical foundation, and fluency in German and English.

Senior Technical Program Manager to lead large-scale data platform and migration initiatives. Requires 5-8+ years of experience delivering large-scale software, data, or platform programs. Must have strong understanding of software development and technology concepts.

Field Service Technician to install, commission, service, and troubleshoot marine technical systems on vessels and in shipyards. Requires technical expertise, customer interaction, and international travel.

Lead complex engineering projects from initiation to delivery, ensuring adherence to scope, budget, timeline, and quality. Manage cross-functional teams, stakeholders, and external partners in a highly regulated environment.