freelance English-speaking jobs in Bielefeld

Leads and develops a supply chain team, oversees end-to-end supply chain processes, and negotiates contracts with suppliers.

IT System Administrator supports corporate customers in the Lübeck to Hamburg region with Windows server environments, customer networks, and IT projects. Requires Microsoft server operating systems, Hyper-V, Microsoft 365, TCP/IP networks, IT security, firewall management, and a driver's license. Native German or C1/C2 level required.

The doctoral college "Justice Dimensions of Sustainability-Oriented Transformation Processes in Rural Areas" at the University of Vechta is offering up to 4 PhD scholarships. The program focuses on the social impacts of sustainability transformations in rural areas, particularly issues of social justice. Applicants should have a background in relevant fields such as human geography, social sciences, applied ethics, economics, sustainability science, or psychology.

Account Manager (m/f/d) Distribution Central/East will manage the Distribution Sales Channel in Central/East Europe, focusing on DACH and supporting Benelux and Eastern Europe. Responsibilities include building sales partnerships, identifying opportunities, and driving initiatives to grow product lines. Requires a degree in Engineering or a related field, 3+ years of sales or distribution experience, and technical understanding of hydraulics, fluid conveyance, and/or electronics.

Product Manager (f/m/d)* SEO/GEO will optimize the organic visibility of Engel & Völkers' website, impacting product development across 35+ countries. Drive and implement SEO strategies, develop product plans and roadmaps, and continuously assess and improve product performance in search interfaces.

Cybersecurity Project Manager to lead and coordinate IT and security initiatives across Europe and APAC. Translate technical requirements into actionable project plans, manage risks and timelines, and ensure compliance with frameworks like ISO27001 and NIST CSF.

Manages dispute cases under FSC's Policy for Association, including assessments, investigations, stakeholder engagement, and decision-making. Oversees FSC's complaints mechanism and analyzes cases to identify systemic gaps. Collaborates with internal and external partners to resolve disputes and strengthen system integrity.

Consultant for healthcare and life sciences clients. Advises international customers, analyzes data, develops recommendations, and supports project tasks. Requires first experience in strategic consulting and a strong interest in the pharma/biotech sector. Fluent English required.

System Safety Engineer (m/f/d) for Airbus Defence and Space in Manching. Lead and conduct safety assessments, risk analyses, and common-cause analyses for military aircraft and systems. Manage safety requirements, evidence, and procedures. Interface with internal and external stakeholders.

Designs tests based on technical specifications and collaborates with business analysts and developers to estimate and plan test activities. Ensures software quality through test procedures and supports the team in analyzing error tickets. Develops and maintains the test strategy and procedure, requiring proactive communication and collaboration.

Senior Full Stack Developer will design, implement, and maintain a big data platform. Responsibilities include feature development using Java, Spring Boot, and Vue.js, system architecture development, platform operation and optimization, and mentoring junior developers. Requires 5+ years of software development experience, strong Java skills, and experience with front-end frameworks, databases, microservices, and event streaming platforms.

Aerodynamic Engineer will design and simulate advanced turbocharger components, including volutes, turbine wheels, and guide vanes. Responsibilities include running high-fidelity simulations, generating turbine maps, and developing 1D/3D simulation methods. Requires a PhD or Master's degree in Mechanical Engineering or similar with a focus on turbomachinery or aerodynamics and 3+ years of experience in automotive or related engineering fields.

Senior Process Chemist needed to develop and scale green chemical processes. Requires 3+ years of experience in chemical process development and manufacturing, including experience with process optimization, scale-up, and collaboration with CDMOs. Must have a strong understanding of reaction kinetics, design of experiments, and GMP manufacturing.

Project Manager for digital transformation projects focused on data quality improvement across SAP R/3 and S/4HANA systems.

Lead the German operations of a TIC and engineering company focused on sustainable buildings. Execute a buy-and-build strategy, build a leadership team, and drive operational excellence. Proven track record in M&A, revenue growth, and operational management in a B2B services sector is required.

Area Sales Manager (m/f/d) – LATAM and Brazil will provide sales support to dealers and sales companies in Latin America and Brazil. Responsibilities include product and application consulting, training sales partners, and supporting the preparation of offers and tenders. The ideal candidate will have a degree in mechanical or industrial engineering or equivalent experience, fluency in English and Spanish, and a high willingness to travel.

Test engineer (m/f/d) / test technician (m/f/d) in the field of radio. Tasks include preparing test plans, conducting radio and EMC tests, preparing test reports, and providing technical support. Requires a Bachelor's/Master's degree or state-certified technician training in electrical engineering, communications, physics, or a related field.

Develop and integrate ERP and CRM systems (Dynamics 365, Navision/Business Central) in a hybrid cloud/on-prem architecture. Design service-oriented solutions, containerized applications, and interfaces. Support legacy system transition to a modern target architecture.

Manage the firmware product lifecycle from concept to release, including scope, schedule, resource, budget, and risk management. Lead a team of firmware engineers and ensure compliance with internal and regulatory requirements.

Drive sales and manage customer relationships in the construction, mobility, and industry sectors. Manage and grow customer platforms, focusing on high-potential customers. Promote Berner as a premium brand and handle objections, delivery, and quality claims. Analyze sales area KPIs and report to superiors. Collaborate with the sales team to achieve performance targets.