freelance English-speaking jobs in Bielefeld

Field Service Engineer role involving installation, maintenance, and testing of materials testing machines. Requires technical education in mechatronics/electrical engineering, knowledge of hydraulics/pneumatics, and excellent Korean language skills.

Implement security solutions, support network segmentation, and perform vulnerability assessments for OT/ICS security across customer projects. Requires a relevant degree and experience with standards like IEC 62443.

Production helper role involves preparing and assembling anode rods, monitoring automated stations, and performing quality checks. Requires technical training, experience with production equipment, and knowledge of GMP standards.

RF Test & Analysis Engineer Graduate Program. Support network planning and optimization for GSM/WCDMA/LTE. Analyze performance data and troubleshoot RNP&O issues. Requires Electrical Engineering degree and fluency in English and German.

Treasury Specialist supporting liquidity, funding, cash, and short-term interest rate risk across currencies. Responsibilities include cash forecasting, LCR/NSFR management, and executing money market and FX transactions.

Specialist Accountant manages General Ledger and Fixed Assets end-to-end for IFCO entities. Core duties include month-end closing, reconciliations, and SAP audit trail maintenance. Requires 3+ years in GL accounting and IFRS knowledge.

Doctoral Researcher in the SiProtect project will investigate insect communities with rye, combining field entomology with molecular tools like metabarcoding and nanopore sequencing.

Create high-quality print and digital marketing assets, including brochures, social media graphics, and video content. Manage creative projects and ensure brand consistency across European markets. Requires design experience and Adobe Creative Suite proficiency.

Qualified Installateur- und Heizungsbauermeister (SHK) to lead quality and aftercare for complex data centre mechanical systems. Responsibilities include setting standards, managing defects, and driving continuous improvement across projects.

Internship for Geology, Geosciences, or Geophysics students. Gain hands-on experience completing internal projects, learning software, and collaborating with global teams. Requires active enrollment in a relevant degree program.

Construct and repair wooden items like boxes and crates using hand and power tools. Duties include measuring, cutting, fastening, and applying preservatives. Requires minimum three years of woodworking experience and ability to work independently.

Staff Engineer to architect and scale advanced AI/ML systems on AWS. This role requires 7+ years in cloud native engineering, expertise in production-grade ML systems, and strong leadership to drive cross-functional execution.

Seeking an experienced Manufacturing Engineer for Engine Assembly. Responsibilities include improving assembly processes, resolving production issues, and driving improvements in Quality, Cost, and Productivity using Lean methods. Requires a relevant engineering degree and German language proficiency.

Solution Consultant for Finance & Controlling Applications/SAP FI needed. Minimum 3-5 years experience in SAP, especially SAP-FI (ECC, S/4 HANA). Experience in consulting, requirement analysis, and international finance processes required. Degree in business administration, international management, business informatics, or similar.

Student Laboratory Assistant needed for Sample Environment and Characterisation group. Duties include inventory maintenance, organizing storage, and supporting general lab work. Requires enrollment in Chemistry or Biology, good English, and MS Excel skills.

Working Student Legal & Compliance assists with contract reviews, legal/regulatory research, and compliance projects. Requires current enrollment in a law-focused degree program and fluency in German and English.

Senior Electrical Systems Engineer for the aerospace industry. Develop and integrate aircraft electrical power systems, defining requirements per ARP4754A. Requires 10+ years of experience and knowledge of ELA, ARP4761, and certification standards.

Field Sales Representative for technical non-woven fabrics and labels. Responsibilities include attracting new clients, developing existing relationships, and providing expert advice. Requires knowledge of technical nonwovens and strong communication skills.

Seeking ICU/Critical Care Nurses for placement in German hospitals. Requires nursing qualifications, NCK registration, and B2 German proficiency. Responsibilities include patient assessment, monitoring, and multidisciplinary teamwork.

Equity Research Expert needed to evaluate financial datasets, analyze earnings, and build investment theses. Responsibilities include modeling, peer benchmarking, and providing feedback to train AI systems. Experience in sell-side research is preferred.