freelance English-speaking jobs in Bielefeld

Analyze discrepancies between target and actual values, develop recommendations, and optimize controlling IT systems. Support the introduction of new finance and controlling methods and instruments.

Customer Advocate (x/m/f) for French-speaking customers. Guide customers through their case journey, communicate with airlines and legal partners, and contribute to process improvements. Requires fluency in French (C2 level) and good English skills.

Install, assemble, and modify mechatronic components and automation technology. Design system extensions, program systems, and ensure safe operation. Learn manufacturing processes and maintenance procedures.

Data Platform Engineer will improve and extend the analytics and AI infrastructure built around Databricks. Responsibilities include driving the data platform, maintaining the stack with security measures, and building tools for efficient data management.

Assistant Store Manager supports the Store Manager in daily operations, deputizes in their absence, and ensures sales goals are met.

As a Supplier Quality Manager, you will ensure global suppliers meet Siemens Energy's quality standards. You will collaborate with suppliers, engineering, procurement, and project teams to resolve quality issues, assess risks, and drive continuous improvement.

As a Document Controller, you will work with project teams to identify customer documentation requirements, participate in meetings, and support the creation and management of documentation for wind turbines. You will have a commercial or technical education and at least 2 years of relevant experience. Fluency in German is required.

PhD candidate will research the integration of peptides into nanoparticle polymer complexes, assess nanoparticle transport, and evaluate tumor-targeting efficacy in glioblastoma models.

The Regional Technical Sales Director oversees the Technical Sales function, leading its strategy and performance across categories. This role provides technical leadership and support for regional accounts, distribution partners, and key accounts, ensuring alignment of technical sales activities with customer needs. The Regional Technical Sales Director drives opportunity pipeline growth, ensuring robust opportunity identification, prioritization, and technical validation.

The German Institute of Human Nutrition seeks a Postdoc to conduct research on metabolic flexibility and its role in the progression from prediabetes to type 2 diabetes. The position involves analyzing data from the EPIC-DZD substudy and the NAKO Health Study using epidemiological methods and statistical software.

As a process expert, you will consult on and implement FI/CO template processes, supporting adjacent areas and leading the worldwide roll-out of S4/HANA systems. You will define process and solution design, document implementation, and support key users globally.

Lead Data Engineer responsible for designing, building, and evolving scalable data platforms. Guide project teams, translate business needs into data solutions, and stay current with data technologies.

Develop, adapt, and optimize PLC programs (e.g., Siemens S7, TIA Portal). Commission, test, and analyze automation systems. Support the introduction of new production systems and technologies. Create technical documentation and instructions.

Coordinates warranty execution, acts as the primary customer contact, and manages defects and NCRs. Analyzes field incidents and quality data to drive continuous improvement. Supports warranty projects and retrofits in the DACH region.

Serves as Facility Operations Specialist and Subject Matter-Expert for the Theater Logistics Support Center Europe & Africa (TLSC-E/A) facilities program. Manages real property in Germany and Italy, including buildings, roads, machinery, and equipment. Applies engineering principles to evaluate facility conditions, develop improvement plans, and coordinate with DPW on construction projects. Requires a German driver's license class B, military driver's license, office automation skills, and English and German language proficiency level C1.

Part-Time Sales Associate to provide exceptional customer service and reflect the Jimmy Choo luxury brand image. Must have demonstrable success as a sales consultant in a luxury brand, excellent communication skills, and fluency in English.

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

Senior Cyber Security Architect needed to own group-wide technical cybersecurity architecture across cloud and on-premise environments. Develop best-practice guidelines, conduct security assessments, and drive the Secure Software Development Lifecycle. Requires several years of experience as a Security Architect or Cloud/Cyber Security Engineer with strong AWS experience and knowledge of security frameworks.

This is a part-time, hands-on role supporting workspace operations. Responsibilities include keeping workspaces clean and functional, moving equipment, assisting with setup and maintenance tasks, and supporting logistics. Ideal for students or those with practical/technical experience who enjoy hands-on work.

Support the global Diversity, Equity, Inclusion & Belonging (DEIB) team in developing and implementing DEIB initiatives and projects. Contribute to promoting an inclusive culture and integrating DEIB principles into various aspects of the organization. Assist in analyzing, monitoring, and reporting DEIB metrics.