freelance English-speaking jobs in Bielefeld

Project Manager to lead ADP GlobalView implementation workstreams, manage timelines and risks, and coordinate stakeholders in a global rollout with a Germany focus.

Investment Director will lead end-to-end venture debt transactions, including origination, diligence, negotiation, and closing. Responsibilities include structuring deals, developing sponsor relationships, and managing fundraising and LP interactions. Requires a university degree, 8-12+ years of relevant experience, and fluency in English and German.

Drive the continuous improvement of M365 and SharePoint environments with a focus on cloud governance, archiving, storage & retention, labeling, and data quality. Design and implement concepts for archiving, retention, data classification, information protection, and permission management. Advise internal customers on governance and compliance topics related to SharePoint Online.

Drive and assist in HR transformation efforts within the global Workday team. Supervise the configuration design and global roll-out of Workday Absence and Time Tracking. Collaborate with global HR process owners, developers, and stakeholders.

GamingCenter seeks a Working Student or Intern – Social Media Manager to manage and grow social media channels, create engaging content, and build an online community.

Intern Graphic and Motion Design (Identity, Brand Experience) will contribute to a creative team developing brand design and experience touchpoints. The intern will gain experience working with an international team and applying design concepts across physical and digital platforms.

Sales Operations Analyst needed to manage partner onboarding, including contract setup, account creation, and inquiry routing. Responsibilities include maintaining PowerBI dashboards, conducting business analyses, and optimizing sales processes. Requires experience in Salesforce, PowerBI, DAX, and SQL.

Lead strategy consulting engagements, drive business development, and mentor a team of consultants. Proven experience in MBB consulting and a passion for empathetic leadership are required.

This role involves overseeing the financial management of energy storage power plant projects in Europe, ensuring compliance with financial regulations and supporting investment decisions. Responsibilities include budget preparation, cost control, financial reporting, and financial due diligence.

Partner to lead new business development and project delivery for a growing life sciences strategy consulting firm. Requires 5-10+ years of top-tier strategy consulting experience, a strong network in the pharma/biotech/medtech ecosystem, and fluency in German.

Provides support to data centers and Points of Presence (POPs) for installation, repair, and maintenance activities. Requires deep knowledge of physical layer rack and stack configurations and experience with telecom/network equipment. Performs site surveys, audits, and coordinates with vendors and technicians.

Senior C++ Engineer to develop and maintain a full stack service suite for a Local Positioning System (LPS) based on Ultra-Wideband (UWB) technology. Responsibilities include designing APIs, enhancing system testing, and extending services using modern technologies. Experience with C++, build systems, containerization, and testing frameworks is required.

PubMatic seeks a Sales Director for its Advertiser Solutions team in Hamburg. This role focuses on driving new client acquisition, building relationships with agencies, brands, and DSPs, and representing PubMatic at industry events.

The Antenna Chief Engineer leads the product journey for Active Antenna Systems, from concept to lifecycle management. This role drives system architecture, including array geometry, beamforming, and spatial radiation performance. The Chief Engineer aligns and leads multidisciplinary engineering functions, ensuring compliance with industry standards.

Experienced Production Manager needed to lead operations for an international mechanical manufacturer near Stuttgart. Oversee production, logistics, and maintenance for ~100 employees across two shifts. Drive continuous improvement, performance, and cultural change.

Senior Investment Controller needed to design and implement a comprehensive investment controlling framework for a dynamic venture portfolio.

Provide customer service support via phone, email, and chat to Dutch-speaking customers. Process orders, manage customer accounts, and handle returns, exchanges, and repairs.

Provides operational and administrative support to the European sales team. Maintains customer information, prepares sales documents, and coordinates order processing. Assists with customer inquiries, report preparation, and internal coordination tasks. Fluent in Chinese and English required.

Senior PV Project Manager to lead rooftop solar projects from development to commissioning. Experience in residential and commercial PV project delivery, technical documentation review, and stakeholder management required.

Senior Software Engineer to ensure fast, secure, and reliable releases for the Global Monitoring Service (GMS) application. Responsibilities include managing container-based application lifecycle, CI/CD pipelines, and deployments on customer-isolated Kubernetes clusters. Requires 10+ years of software engineering experience with a focus on infrastructure or DevOps, experience with Kubernetes, and a track record of optimizing CI/CD pipelines.