freelance English-speaking jobs in Bielefeld

The Tax Product Manager defines and executes the product roadmap for tax services delivered to cross-border institutional investors. Responsibilities include monitoring tax changes, defining tax servicing standards, executing the tax strategy, and managing client and competitor market research. The role requires expertise in German tax regulations, fluency in German and English, and experience in financial services tax.

Bioprocess Technologist to design, execute, and analyze bioprocesses for bacterial protein extract products. Operate and maintain bioprocessing equipment, execute equipment maintenance, and support bioprocess monitoring. Requires a Master's or Bachelor's degree in a relevant field and hands-on experience with bioprocessing equipment.

Develop and implement global digital marketing strategy, lead digital marketing team, manage budgets, and ensure alignment with business goals.

Leads, develops, and executes global account strategy for major automotive customers, maximizing financial and strategic value. Acts as sector lead for strategic automotive relationships, shaping Moody's commercial and solution positioning for the industry.

Principal Consultant supports Allianz Group clients with strategy, market management, sales, IT, organization, claims, operations, and central functions. Analyzes customer needs, develops concepts, contributes to pitches, and manages client relationships. Requires a university degree, 5+ years of operational insurance and/or consulting experience, and expertise in AI frameworks and project management.

Lead and manage large-scale construction projects from planning to completion, ensuring adherence to Siemens Energy standards, legal requirements, and sustainability guidelines. Oversee project scope, setup, design, tendering, contractor selection, execution, and progress monitoring.

Leads AP, AR, GL, and Fixed Assets teams, shaping financial information flow and ensuring accuracy and control. Owns the full closing cycle under IFRS and Local GAAP, focusing on process excellence, documentation, and audit readiness. Plays a key role in Finance Transformation, optimizing SAP S/4HANA and improving data flows.

Develop and enhance SAP S/4HANA Private Cloud solutions for a fast-growing space technology company. Design, build, and maintain custom code, integrations, and extensions. Collaborate with functional experts, architects, and stakeholders to deliver high-quality, stable, and scalable solutions.

Leads strategic value-add services for a human risk management platform. Develops a consulting methodology focused on driving behavior change and risk reduction. Builds and operationalizes the consulting function, ensuring market differentiation. Acts as a subject matter expert and advocate for human risk management.

Principal (m/w/d) – Analytics & Consulting, Pharma / Life Sciences will lead client engagements, develop new business opportunities, and provide operational leadership. Requires a Master's degree or equivalent, extensive consulting experience, and expertise in client delivery, project management, and business development. Must have strong pharma industry knowledge and experience selling complex strategy and operations engagements. Fluency in English is required, German preferred.

Senior Software Engineer will design, build, and maintain custom Ubuntu/Linux distributions for autonomous vehicle workloads. Responsibilities include optimizing ROS 2 DDS middleware, developing drivers for various vehicle interfaces, and implementing observability solutions.

Shape and drive development initiatives that strengthen capabilities at individual, team, and organizational levels. Translate business and technology trends into development priorities that enhance agility, resilience, and competitiveness.

As an Account Executive for the DACH region, you will execute go-to-market plans, achieve sales goals, and build relationships with agencies, brands, and retailers in the e-commerce space. You will leverage your expertise in e-commerce and digital marketing to help clients unlock new levels of performance with Channable's tool.

Conduct consulting projects in the space industry, designing and optimizing operational workflows and developing market entry strategies.

This role focuses on sourcing, executing, and managing fund investments and co-investments across Europe. Responsibilities include relationship management, due diligence, portfolio management, and contributing to team improvement.

Working Student (f/m/d) - Multimedia Design & Visual Communication will assist with video editing, graphic design, PowerPoint presentations, and tool management. Requires design fundamentals, Adobe Creative Cloud experience, PowerPoint proficiency, and fluency in English. Must be a reliable team player with multimedia interests and at least 2 semesters of studies remaining.

Lead SAP FI Consultant for S/4HANA project. 8-10+ years of SAP FI experience required, including AP, GL, AR, CO. Strong S/4HANA and RISE experience preferred. Manage customer relationships and coordinate FI team members. Hybrid role with initial on-site presence in Frankfurt.

Supports live M&A mandates and strategic advisory projects. Performs financial analysis, modeling, and valuation work. Conducts market, sector, and company research with a focus on sustainability and energy transition.

Serves as an interface between IT and business, maintaining databases and ERP systems. Performs tool calibrations and supports operational processes including logistics, customs, and shipping. Minimum 2-3 years of experience required. Must have strong MS ecosystem skills (SharePoint, Power Automate) and excellent English communication skills.

Provides administrative and logistical support to the MTRI team. Responsibilities include organizing marketing activities, managing office supplies, handling correspondence, and providing event planning support. Requires advanced MS Office skills, fluency in English and German, and strong organizational and communication skills.