freelance English-speaking jobs in Bielefeld

Senior Account Executive (Director) for Enterprise Payments. Own end-to-end sales cycles for $250K+ ARR deals. Requires 10+ years experience, 3+ in enterprise sales at a payments/fintech company, and native German fluency.

Customer Success Specialist drives software adoption and value realization by leading technical adoption plans and acting as a technical advisor. Requires 8+ years in technical consulting with deep data center network expertise.

Develop Commercial Technology presence across EMEA, supporting high-growth AI/HPC enterprise data center and MTDC opportunities. Focus on AI/HPC, Sovereign AI, OEM ecosystem, and Enterprise data center segments. Requires 3+ years in data center industry with technical sales/BD background.

Senior Manager Strategic Customer Projects leads and executes large-scale operational initiatives within the Shared Production Unit. This role involves scoping, leading, and managing projects for internal and external customers to ensure on-time, on-budget delivery.

Head of Growth/Performance Marketing to own paid acquisitions for wirkaufendeinauto.de and Autohero across Europe. Lead 10 channel experts, driving profitable acquisition by understanding customer journeys and unit economics.

Direct Engagement Account Manager focusing on Enterprise and Upper Mid Market customers in Germany. Requires 3-5 years of B2B sales experience, fluency in English and German, and command of sales methodologies like MEDDPICC.

As CTO, you will own Technology and Engineering at the C-level, translating strategy into technical roadmaps. Lead engineering teams, own architecture, security, and AI-enabled development for critical workflows.

Mobile Release Manager coordinates fortnightly releases for Courier mobile apps to App Store and Play Store. Responsibilities include stakeholder alignment, quality checks, and improving CI/CD pipelines. Requires mobile lifecycle and Agile project management experience.

Lead Cost Management / Quantity Surveying role requires strategic leadership and technical oversight for cost management services. Responsibilities include driving practice growth, managing commercial performance, and providing senior client advice.

Manage an Equipment Engineering section, leading a team of engineers and technicians. This role includes a comprehensive 9-month training assignment at the mother fab in Taiwan. Requires a Bachelor's degree and 10+ years of semiconductor experience.

Advance high-precision opto-mechanical design for laser-sustained-plasma light sources. Responsibilities include creating 3D models, drawings, and testing prototypes while collaborating with suppliers. Requires a degree in Mechanical Engineering and 3+ years of relevant experience.

Senior Financial Accountant supports Germany and Austria Controllership, ensuring accurate accounting under local regulations, US GAAP, and corporate policies. Responsibilities include monthly result review, reconciliation, and audit coordination. Requires 7-10 years of experience and fluency in German and English.

Lead complex international migration programs in Custody & Fund Accounting. Manage end-to-end planning, governance, and execution across multiple jurisdictions. Requires 8+ years in Asset Management operations.

Lead SIXT's AI-powered HR transformation, shaping an AI-built HRIS. This role guides a multidisciplinary team, translating C-Level priorities into a strategic AI HR roadmap across the organization.

Own the architecture of internal infrastructure and data platforms. Build and scale backend services using Python/Django, managing data pipelines from IoT and robotics devices. Requires 5+ years experience and strong cloud/system design skills.

Citi seeks Full-Time Investment Banking Analysts for 2027. Support senior bankers in M&A and capital markets transactions by preparing valuation materials, financial models, and client presentations. Requires relevant degree and English fluency.

People Partner to shape the employee experience, owning payroll coordination, HR administration, and lifecycle processes. This role supports international employment, performance, and engagement initiatives. Requires 3-5+ years in People/HR with German payroll knowledge.

Pioneer plant biodiversity–ecosystem function research in a 6-year project. Responsibilities include developing research questions, securing third-party funding, and leading a research group. Requires a PhD and experience in experimental research.

Join this Advisor Training Program to build client relationships and deliver tailored wealth management solutions. You will help protect, grow, and manage wealth while providing first-class service. Fluency in German and English is required.

Senior technical role managing strategic grid asset planning, electrical engineering leadership, and project delivery for VIRTUS power infrastructure in Germany and EMEA. Responsibilities include asset lifecycle management and regulatory compliance.