freelance English-speaking jobs in Bielefeld

As a Working Student (f/m/d) on the CVG Communications Team in Walldorf, you will conduct research, prepare content for presentations and LinkedIn, and provide administrative support.

Ensure smooth processes and maintain clean workspaces in a fast-paced catering environment. Provide excellent service and contribute to a positive guest experience.

The Audit Operations Senior Manager supports the operational framework of Internal Audit, including methodologies, standards, and governance processes. This role manages the Internal Audit Quality Assurance and Improvement Program, prepares audit reports, performs data analyses, and oversees audit finding tracking and remediation.

Develop and operate trading activities supporting asset management, vault, and risk businesses. Focus on market-neutral and delta-neutral strategies across centralized venues and on-chain infrastructure. Define standards for trading capital deployment, risk management, and integration with underwriting, product design, and engineering.

Amazon is seeking ambitious interns to support safety processes and operations at its Kobern-Gondorf fulfillment center. Interns will assist with safety program development, risk assessments, accident investigations, and training initiatives.

Senior Construction Project Manager to lead complex projects across offices, laboratories, and clean room environments. Full project ownership from planning through execution and handover, ensuring on-time, on-budget delivery and regulatory compliance. Strong leadership, stakeholder management, and data-driven decision-making skills required.

Develop and operate scalable AI platforms in cloud environments. Support the entire AI lifecycle, from data preparation to deployment. Automate infrastructure and workflows using DevOps and MLOps tools. Collaborate with data scientists and engineers to design and implement platform functionalities. Ensure platform quality, stability, and security.

The Custody Tax Product Manager is responsible for defining and executing a product roadmap for tax services delivered to cross-border institutional investors. This includes defining tax reclaim, reduction at source, and CGT services, managing cost of production, defining a global technology strategy, tracking regulatory changes, and implementing a risk and control framework. The role requires a strong understanding of tax law, global market tax practices, and cross-border institutional clients.

The University of Europe for Applied Sciences seeks a full-time Professor of Robotics to join the Business Faculty in Potsdam starting September 1, 2026. The successful candidate will teach courses in robotics engineering, autonomous systems, and intelligent automation/manufacturing. Responsibilities include conducting research, advising students, and contributing to curriculum development. Applicants must have a Master's degree in a relevant field, a doctorate, and at least three years of professional experience.

Senior C++ Engineer to develop and maintain a full stack service suite for a Local Positioning System (LPS) based on Ultra-Wideband (UWB) technology. Responsibilities include designing APIs, enhancing system testing, and extending services using modern technologies. Experience with C++, build systems, containerization, and testing frameworks is required.

Product Manager responsible for end-to-end product category management, including strategy development, market analysis, performance tracking, and cross-functional collaboration.

As a Martech Specialist Mobile Apps, you will troubleshoot Mobile Measurement Partners (MMPs) and ensure seamless connections with advertising networks for accurate tracking and attribution. You will manage client data feeds, create data visualizations, and collaborate with developers to implement marketing tools and integrations.

The Leibniz Supercomputing Centre seeks a Legal Counsel / ELSA Officer to support research and information management projects, particularly the BMFTR-funded "SOURCE" project focused on disinformation detection. The role involves project management, ELSA coordination, and collaboration with national and European partners. The position also provides support to the LRZ Legal Office in data protection and public procurement law.

Leads a team responsible for issuing invoices, managing collections, and settling commissions for Business Partners. Requires an MBA in Accounting & Finance, 10+ years of experience, and proficiency in English and German.

PubMatic seeks a Sales Director for its Advertiser Solutions team in Hamburg. This role focuses on driving new client acquisition, building relationships with agencies, brands, and DSPs, and representing PubMatic at industry events.

AI Software Engineer (m/f/d) needed to design, build, and maintain scalable backend and frontend components within a serverless AWS architecture. Apply AI-driven development approaches using Claude AI to accelerate coding, refactoring, testing, and documentation. Collaborate with product, engineering, and architecture teams. Experience with AWS infrastructure, cloud-native systems, and multiple programming languages is required.

As an Asset Management Specialist, you will contribute to private debt and private equity investment structures, provide accounting analysis for alternative asset investments, and support private asset management throughout the investment lifecycle.

Lead strategy consulting engagements, driving transformational results for clients in industrial goods, packaging, and chemicals. Expand client base and win new business utilizing industry connections. Provide empathetic leadership and mentorship to a team of consultants. Shape the strategic direction of TTE Strategy.

Provide armed security for embassies and diplomatic residences in Berlin. Duties include guarding, patrolling, access control, visitor registration, and monitoring security systems.

School counsellors provide support to students, families, and staff at a private international school. Responsibilities include delivering developmentally appropriate activities, supporting student wellbeing, and collaborating with school personnel to address student needs. Counsellors also provide short-term support, share resources, and assist with crisis intervention.