freelance English-speaking jobs in Bielefeld

Deliver a variety of fitness and wellbeing sessions, including Aqua, Yoga, Pilates, and exercise to music, to guests of all ages and nationalities. Plan and deliver daytime activities and entertainment. Engage with guests and ensure a high standard of safety and service.

Macnica ATD Europe seeks an Inside Sales / Customer Service professional to handle customer orders, monitor deliveries, process invoices, and manage returns. The role requires proficiency in SAP, MS Office, and strong German and English communication skills.

Leads a team to ensure safe, efficient, and high-quality operations at an Amazon Extra Large (AMXL) delivery station. Oversees process improvements, analyzes shift performance, and collaborates with management to standardize practices.

This 6-month internship starting September 2026 will involve full participation in the investment process, including sourcing, market review, financial analysis, and portfolio support.

Leads the strategic transition of Finance operations from high-cost to low-cost regions, ensuring seamless migration and integration of financial reporting and accounting activities across six Business Units and acquired entities.

Leads data, analytics, and AI initiatives in DACH, translating European platforms and business needs into measurable impact. Executes priority projects, implements platforms, and drives predictable delivery of usable solutions.

Senior Manager/Director will lead buy-side and sell-side M&A mandates, manage transaction processes, and act as client contact. Requires 8-10 years of experience in M&A, corporate finance, or transaction advisory with strong technical skills and a track record advising corporates and/or private equity clients. Fluent German and English required.

Software Engineer specializing in Stibo STEP applications. Designs, implements, and supports Stibo STEP solutions, ensuring robust and scalable technical design.

Alliance Manager (m/f/d) will coordinate alliance management activities, ensure contractual adherence, and support the achievement of alliance business objectives.

Working student in Risk Management will develop analytics and models for loan application assessments. Responsibilities include building dashboards, running analyses, and contributing to credit risk management. Must have quantitative studies, Python and SQL skills, and an interest in FinTech.

Leads and scales the Machine Learning Engineering team, partnering with data scientists to deploy production-grade ML applications. Shapes ML Engineering standards and drives technical strategy across data science, MLOps, and engineering teams.

Global Consumer Lead to develop and implement innovative marketing strategies based on consumer needs and desires. Responsibilities include portfolio management, innovation, and consumer insights. Requires a marketing or business administration degree and several years of experience in consumer insights and media.

Product Manager for ABB's low voltage Machinery and Servo Drives portfolio. Responsible for the entire product life cycle, supporting sales, collaborating with global product management, and contributing to customer satisfaction. Requires a university degree, minimum 5 years experience in sales, sales support, or product management in variable speed drives, and fluency in German and English.

Postdoctoral researcher position in the Department of Dermatology focusing on a research project on nanocarrier-based functional analysis of myeloid cells in inflammatory and autoimmune skin diseases.

Sigma Group seeks German-English fluent freelancers for remote linguistic projects. Tasks include categorization, annotation, transcription, evaluation, and content creation. Applicants must have basic computer skills and be able to listen and write correctly in both languages.

This Software Development Manager role focuses on building and managing services that detect and automate cybersecurity threat mitigation across Amazon's infrastructure. The successful candidate will lead a cross-functional engineering team, set goals, and orchestrate strategy and project execution.

Backend Developer needed for Munich-based software company. Develop backend solutions for web applications using C#/.NET Core and node.js. Minimum 5 years experience as a backend developer required. Teamwork and communication skills essential. German language proficiency required.

Supports recruitment planning for interns in Germany. Processes applications, acts as a point of contact for candidates, and manages interview notes and documents. Coordinates with the recruitment team and HR Business Partner.

Support project/programme budgets, schedule management, controlling, risk management, performance management, reporting, and administrative functions for complex scientific projects.

Working Student (f/m/d)* - Social Media will support the Social Media Team at the Hamburg headquarters. Tasks include creating and scheduling social media content, researching trends, and engaging with the audience. Applicants should be registered students with marketing/social media experience and proficiency in video creation and editing tools.