freelance English-speaking jobs in Bielefeld

As a (Senior) Platform Engineer, you will design, implement, and maintain cloud environments using Infrastructure as Code. You will build tools and services to support development teams and improve infrastructure maintainability. You will also consult with developers on cloud-native technologies and contribute to observability strategy and CI/CD automation.

Student assistant position available for 23 hours per month at the Institute of Production Engineering and Machine Tools. The project focuses on simulation and optimization of grinding processes, including conducting experiments, developing simulation platforms, and researching AI and regression models.

Shape and drive the global strategy for software and digital solutions for commercial markets. Define portfolio strategy, align with customer needs, and work with product management and stakeholders.

Junior Account Manager supports project planning, execution, and client engagement. Responsibilities include research, scheduling, budget calculations, and event/project coordination. Requires a bachelor's degree in marketing or communication, or one year of relevant experience, proficiency in Microsoft 365 and project management tools, and fluency in German and English.

Freelance English writers train AI models by crafting text that teaches AI reasoning, logic, and clarity. Contributors create original, fact-checked responses, collaborate with Quality Assurance Specialists, and adhere to style and quality standards.

Senior Compliance Analyst to support sales and marketing compliance program, focusing on cross-border distribution, marketing content, and sales practices across EMEA.

Experienced .NET Developer sought to enhance Luware's Nimbus call center solution. Responsibilities include designing, developing, and deploying cloud services, collaborating with stakeholders, and mentoring junior engineers. Must have 5+ years of backend service development experience, experience with AI technologies like OpenAI and Copilot, and a strong understanding of software engineering best practices.

Shape the future of our mobile platforms as a Product Manager for iOS and Android applications. Lead a mobile app team, manage the roadmap, and collaborate with stakeholders to optimize the user experience.

Interim Group CFO needed for a global manufacturing business. Requires experience stabilizing performance, enhancing liquidity, and leading a cross-border finance transformation. Must have deep understanding of debt structures, refinancing, and lender engagement. Proven international transformation experience in a PE-backed environment is essential. Fluent German required.

The Category Manager DACH will drive commercial performance and brand visibility across Germany, Austria, and Switzerland. Responsibilities include analyzing market data, optimizing product portfolios, developing marketing strategies, and managing budgets.

CMS seeks an experienced Digital Marketing Manager to lead content strategy across digital channels, focusing on performance, consistency, and user experience. The role involves setting editorial standards, overseeing the CMS website, and driving continuous performance improvements.

HubSpot Specialist will manage HubSpot configuration, user permissions, and system health. This role will build workflows, custom properties, and automated sequences to support business requirements. The Specialist will also provide training and documentation to HubSpot users and collaborate with Sales, Marketing, and Accounting to identify new use cases.

Administration & Accounting Specialist to oversee European entity accounting operations, manage financial closing processes, and ensure compliance with regulations.

Maverick Currencies seeks disciplined traders to day trade Forex and Crypto using firm capital. This performance-based contract offers up to 90% profit share, no salary, and the opportunity to trade with more capital than typically accessible.

Working Student in Underwriting Integrity & Solution EMEA supports global underwriting-related strategic projects and ensures solid governance processes are in place for Allianz Commercial. Responsibilities include supporting the team in driving continuous improvement of underwriting governance processes, assisting with operational tasks, and collaborating with Lines of Business.

Master's thesis focusing on modeling and intelligent control of a dual-input RF power amplifier system. Tasks include evaluating a behavioral model, developing a control model, and verifying both using machine learning. Requires knowledge of machine learning, signal processing, and microwave engineering.

AbbVie is seeking talented individuals for future Business Unit Manager positions in Germany. This role involves developing and executing brand strategies, managing P&L, leading teams, and collaborating with internal and external stakeholders. Candidates should possess experience in brand management, indication expertise, financial acumen, and a strong strategic mindset.

Support data-driven decision making by building and maintaining accurate data models. Collaborate with Analytics Engineers, Data Analysts, and business stakeholders. Utilize AWS, Redshift, DBT, and Metabase.

The Leipzig Cohorts and Trial(ist)s (LeiCoT) program seeks a recognized medical specialist with a strong research background in metabolism, brain/heart, or cancer. The program offers a six-year, fixed-term position with 50% research and 50% clinical work.

Coordinates Third Party Oversight duties with Business Owners and Second line functions for all Third Party Engagements. Responsible for the Third Party Oversight including maintenance and central storage of TPRM Documents, Contracts and Third Party master data. Guides, advises and supervises Business Owners to identify non-compliant Third Party Engagements.