freelance English-speaking jobs in Bielefeld

Scientist will support analytical activities within an international pharmaceutical project. Responsibilities include method transfers, development, validation, and verification of analytical methods (HPLC, AAS, KF), analytical testing, and preparing protocols and reports.

Lead the transformation of BRITA Professional Filter towards connected, data-driven solutions. Define a vision for digital & connected solutions, translate strategy into a roadmap, and drive execution across markets, functions, and teams.

Provides travel support to customers via chat, phone, and email. Handles complex itineraries, ticketing, reissues, cancellations, and PNR management. Requires fluency in German (C1) and English (B2), experience with GDS systems, and knowledge of travel industry regulations.

A400M Weapon Systems Engineer (m/f/d) required for Airbus Defence and Space in Manching. Responsibilities include requirements analysis, test plan and procedure definition, system architecture development, and test execution. Experience in Electronic Warfare System Integration and Requirements Management is essential.

Lead and empower a team of software engineers, driving technical excellence and delivery performance. Define and own the technical direction within your domain, ensuring alignment with architectural principles and business goals. Collaborate with Product and stakeholders to prioritize work and ensure high-quality, secure, and scalable software delivery.

Commission-based sales freelancer to drive new corporate partnerships and bookings for a European wellness/creativity/development startup. Focus on introducing and selling immersive team experiences to HR, L&D, and leadership teams.

Drive DFS growth in the Enterprise customer segment by engaging with Dell Technologies sales teams, customers, and channel partners. Position financial solutions for large organizations to acquire Dell Technologies products and services.

Senior Account Executive to sell the Everbridge Critical Event Managed (CEM) Platform to new customers in Germany. Requires 8+ years of SaaS sales experience, experience selling into larger commercial accounts, and a proven track record of exceeding quotas.

As an End-to-end Supply Planner, you will ensure supply plans across the VIN network are aligned, realistic, and executable. You will validate supply inputs, translate S&OP output, and act as the interface between planning and fulfillment. You will identify supply constraints, drive alignment on lead times and capacity, and contribute to improvements in planning maturity.

Security Architect needed to support a large-scale program strengthening application security for non-COTS environments. Responsibilities include defining secure SDLC practices, establishing security guardrails for custom applications, and setting up application security testing coverage.

Provides travel support to customers via chat, phone, and email. Handles complex itineraries, ticketing, reissues, cancellations, and PNR management. Requires fluency in German (C1) and English (B2), experience with GDS systems, and knowledge of travel industry regulations.

Designs and develops integrated photonic systems and components. Collaborates with teams to define system requirements and specifications. Identifies and assesses project risks and develops countermeasures. Conducts simulations and modeling to optimize performance. Validates integrated photonic devices.

The Technical University of Munich (TUM) seeks a Professor in Mechanical Process Engineering with a focus on Circular Economy. Responsibilities include research, teaching, and mentoring early-career scientists. Candidates should have a strong research record, teaching experience, and substantial international research experience.

Provides administrative and operational support to Executive Leadership in a demanding environment. Manages calendars, coordinates meetings, and prepares briefing materials. Requires experience supporting senior executives and proven ability to handle confidential information with discretion.

Manage a portfolio of TV & Film publishers, supporting their growth on TikTok through content and distribution strategies. Build and maintain relationships with partners, develop content and campaign strategies, and facilitate collaboration between publishers and creators.

Our clinics and institutes stand for high-quality patient care, excellent research, modern teaching and transfer of innovative technology. Göttingen as a city of science is located in the center of Germany and the University Medical Center Göttingen is integrated into an attractive network of university and non-university scientific institutions.

Paid 6-month internship for talented design students with a passion for visual storytelling, interaction design, and prototyping. Experience with Figma, Adobe Creative Cloud, and interactive prototyping tools is required.

To create equal opportunities for everyone we offer our positions in full- or part-time. Ready to become a Playmaker of the energy transition? Join our team in Berlin, Essen, München and apply online as Segment Developer Data Centre (f/m/d). Are you brave enough to drive progress and forge new paths? Let’s make it work and create real impact together. We can’t wait to meet you!

Designs and develops high-end C++ components for medical desktop applications, focusing on performance, stability, and scalability. Architects, implements, and reviews complex multithreading and parallelization concepts. Analyzes, refactors, and optimizes existing codebase, identifying bottlenecks and improving product quality.

Backend Product Engineer will design, implement, and maintain backend services and APIs for a collaborative scheduling platform. Collaborate with product managers, designers, and engineers to build new features. Contribute to the overall architecture of the system and participate in code reviews.