freelance English-speaking jobs in Bielefeld

Leads warehouse operations, focusing on performance optimization, cost reduction, and customer satisfaction. Manages returns handling, develops procedures, and analyzes data to improve efficiency and reduce return rates.

Master's thesis on reliable post-quantum VPN tunnels. Research and test fragmentation mitigation for lossy networks, extending an IPsec stack with open-source PQC libraries.

Investment Banking Vice President will manage complex mandates, oversee financial analysis, and serve as the primary client contact. Requires 5-7 years of relevant experience, strong technical skills, and fluency in German and English.

Business Process Consultant for ZEISS MED segment. Analyzes, coordinates, and improves global E2E business processes. Supports change control and demand management for SAP S/4HANA entities. Designs to-be processes and participates in agile ceremonies. Requires a Bachelor's degree and 4-6 years of experience in Production and Logistics Management with SAP R/3 and relevant third-party systems. Fluency in English and German is required.

Leads regional distribution strategy and growth for the DACH region. Manages a team of Distributor Account Managers, strengthens partner networks, and collaborates with commercial, product, and operations teams. Requires strong leadership, indirect sales expertise, and executive-level distributor relationship building.

The Nutriment Company seeks a Chief of Staff to support the CEO and leadership team. This role involves preparing board materials, managing projects, and acting as a strategic partner. The ideal candidate has 3-5 years of experience in management consulting and is fluent in English.

Senior Cost Manager needed for building construction projects. Responsibilities include cost control, feasibility studies, tender management, and reporting. Requires 6+ years of experience in project management/control, with 3+ years in construction cost management. Excellent communication and analytical skills in German are essential.

Senior HR Business Partner will act as a trusted advisor to site leadership, aligning HR strategies with operational and business goals. Responsibilities include talent acquisition, development, and succession planning, championing a positive workplace culture, and ensuring compliance with local labor laws. Requires a Bachelor's or Master's degree in Human Resources, Business Administration, or a related field and at least 8 years of experience as an HR Business Partner, including 5 years in a production/manufacturing environment.

Leads and strengthens the German development portfolio for utility-scale PV and battery storage projects. Shapes and delivers the development pipeline, providing technical and strategic guidance to teams. Manages project development from origination through COD, contributing to the German growth strategy and collaborating with senior management and external stakeholders.

Lead non-card payment operations for a new banking setup, establishing and stabilizing SEPA Credit Transfers, Instant Payments, and Direct Debits.

Product Management & Analysis Intern to support product managers in reporting, market analysis, and product lifecycle activities for Electrodes Technologies Division.

Lead and develop a high-performing HR Enablement team across Europe. Coach managers on engagement, performance, workforce planning, and organizational design. Ensure consistent adoption of HR programs, processes, and tools. Drive process improvement and automation, leveraging AI to scale HR delivery.

Strategic Partnerships & Purchasing Manager will develop and manage key partnerships with leasing providers, OEMs, and retail groups to secure inventory. Responsibilities include building relationships, negotiating agreements, and driving inventory growth. Requires 5+ years of experience in business development, sales, or strategic buying, strong stakeholder management skills, and fluency in English and German.

Experienced SAP Basis & Security Consultant needed for 1st Level Support. Responsibilities include user administration, SAP Basis support, security implementation, and troubleshooting in a business-critical environment.

Engineer (f/m/x) Building Physics will participate in the development of energy-efficient construction projects, providing planning and consulting services in building physics. The role involves thermal insulation and energy performance calculations, sound insulation analysis, and technical consulting for clients.

Leads a team to ensure safe, efficient, and high-quality operations. Analyzes performance, implements process improvements, and collaborates with management to standardize practices.

Lead Developer & Architect to design and build user-friendly web applications using Vue, Node, and Laravel. Collaborate with the founding team on strategic decisions, lead development teams, and drive scalable architecture and technology standardization. Extensive experience with Vue, Node, and Laravel required. Proven experience in technical planning for large-scale applications and platforms. Familiarity with web protocols, documentation formats, and AI models.

Senior Manager GSM Indirect Ops-EMEA will support the Global Supply Chain and Global Facilities management team’s journey to drive efficiencies within Europe. This role will work with multiple internal C-level executives, operations and supply chain leaders, plant managers, finance and communications leaders to institute significant change within the SBD to move to drive the Power of One SBD. Key sub-categories include MRO, Facilities and Office Supplies. This role will also be responsible for overseeing Total Cost of Ownership (TCO) value creation for these categories through a combination of productivity, quality, innovation, service excellence, risk management and margin resiliency.

Head of Operations for a growing MedTech startup in Berlin. Develop and implement operational strategies, lead a team of 15-20, and collaborate with other departments. Requires a degree in a related field and 7+ years of operations management experience.

Provide first-line technical support via phone, email, chat, or in-person. Diagnose and resolve hardware, software, and network issues. Manage user accounts and permissions. Install, configure, and troubleshoot software and operating systems. Support users with connectivity issues and VPN setup. Log, track, and resolve IT support tickets.